672:
570:
the deep digital flexor tendon and the weight of the horse) result in the deep digital flexor tendon literally pulling the dorsal face of the coffin bone away from the inside of the hoof wall, which allows the coffin bone to rotate. Also, ligaments attaching the collateral cartilages to the digit, primarily in the palmar portion of the foot, possibly contribute to a difference in support from front to back. The body weight of the animal probably contributes to rotation of the coffin bone. Rotation results in an obvious misalignment between PII (the short pastern bone) and PIII (the coffin bone). If rotation of the third phalanx continues, its tip can eventually penetrate the sole of the foot.
1035:: the measurement from the most superficial aspect of the dorsal hoof wall to the face of P3. 2 distances are compared: a proximal measurement made just distal to the extensor process of P3, and a distal measurement made toward the tip of P3. These two values should be similar. In cases of rotation, the distal measurement will be higher than the proximal. In cases of distal displacement, both values will increase, but may remain equal. Therefore, it is ideal to have baseline radiographs for horses, especially for those at high-risk for laminitis, to compare to should laminitis ever be suspected. Normal HL values vary by breed and age:
566:
either rotation or sinking of the pedal bone, both of which result in anatomical changes in the position of the coffin bone with visible separation of the laminae, colloquially known as founder. Rotation and distal displacement may occur in the same horse. Both forms of displacement may lead to the coffin bone penetrating the sole. Penetration of the sole is not inherently fatal; many horses have been returned to service by aggressive treatment by a veterinarian and farrier, but the treatment is time-consuming, difficult and expensive.
287:
997:
876:
558:
406:. Normal forces placed on the hoof are then strong enough to tear the remaining laminae, resulting in a failure of the interdigitation of the epidermal and dermal laminae between the hoof wall and the coffin bone. When severe enough, this results in displacement of the coffin bone within the hoof capsule. Most cases of laminitis occur in both front feet, but laminitis may be seen in all four feet, both hind feet, or in cases of support limb laminitis, in a single foot.
524:(TIMPs). In cases of laminitis, an underlying cause is thought to cause an imbalance of MMPs and TIMPs, favoring MMPs, so that they may cleave substances within the extracellular matrix and therefore break down the basement membrane. Since the basement membrane is the main link between the hoof wall and the connective tissue of P3, it is thought that its destruction results in their separation. MMP-2 and MMP-9 are the primary enzymes thought to be linked to laminitis.
578:
lateral or medial aspect of the bone displaces distally. Pus may leak out at the white line or at the coronary band. In extreme cases, this event allows the tip to eventually penetrate the sole of the foot. A severe "sinker" usually warrants the gravest prognosis and may, depending upon many factors, including the quality of aftercare, age of the horse, diet and nutrition, skill, and knowledge and ability of the attending veterinarian and
988:
severity. Additionally, radiographs also allow the visualization and evaluation of the hoof capsule, and can help detect the presence of a lamellar wedge or seromas. The lateral view provides the majority of the information regarding degree of rotation, sole depth, dorsal hoof wall thickness, and vertical deviation. A 65-degree dorsopalmar view is useful in the case of chronic laminitis to evaluate the rim of the coffin bone for pathology.
1085:
during radiography. Diffusion of contrast may make some areas appear hypoperfused, falsely increasing the apparent severity of the laminitic episode. After injection of the contrast material, films are taken within 45 seconds to avoid artifact caused by diffusion. Evaluation of blood supply to several areas of the foot allows the practitioner to distinguish mild, moderate, and severe compromise of the hoof, chronic laminitis, and sinking.
1011:: the vertical distance from the level of the proximal coronary band to the extensor process of P3. It is often used to compare progression of the disease over time, rather than as a stand-alone value. A rapidly increasing CE value can indicate distal displacement (sinking) of the coffin bone, while a more gradual increase in CE can occur with foot collapse. Normal values range from 0β30 mm, with most horses >12β15 mm.
626:
77:
179:
36:
499:. Support limb laminitis is most common in horses suffering from severe injury to one limb, such as fracture, resulting in a non-weight bearing state that forces them to take excessive load on the opposing limb. This causes decreased blood flow to the cells, decreasing oxygen and nutrient delivery, and thus altering their metabolism which results in laminitis.
1174:
various methods for treating laminitis, and opinions vary on which are most useful. Additionally, each horse and affected hoof should be evaluated individually to determine the best treatment plan, which may change with time. Ideally, affected hooves are re-evaluated on a regular basis once treatment commences to track progress.
1422:
does risk subluxation of the distal interphalangeal joint (coffin joint), which may be avoided with the use of heel extensions on the shoe. Horses may return to work after the surgery. This treatment is often recommended for severe cases of laminitis, and requires proper trimming and shoeing to be successful.
1394:) of the laminae, this procedure may be beneficial. When the coffin bone is pulled away from the hoof wall, the remaining laminae will tear. This may lead to abscesses within the hoof capsule that can be severe and very painful, as well as a mass of disorganized tissue called a laminar (or lamellar) wedge.
1337:
The deep digital flexor tendon places a constant pull on the back of the coffin bone. This is sometimes counteracted by decreasing the palmar angle of the hoof by raising the heels, often with the use of special shoes which have a wedge in the heel of approximately 20 degrees. Shoes are usually glued
598:
The developmental phase is defined as the time between the initial exposure to the causative agent or incident, until the onset of clinical signs. It generally lasts 24β60 hours, and is the best time to treat a laminitis episode. Clinical laminitis may be prevented if cryotherapy (icing) is initiated
536:
Enzymatic and inflammatory theories: The enzymatic theory postulates that increased blood flow to the foot brings in inflammatory cytokines or other substances to the hoof, where they increase production of MMPs, which subsequently break down the basement membrane. The inflammatory theory states that
1421:
region. Over a time period of 6 weeks, tenotomy is thought to allow P3 to realign with the ground surface. Critics claim that this technique is unsuccessful and invasive, with advocates making counter-arguments that it is often used in cases which are too far advanced for treatment to help. Tenotomy
1372:
New non-invasive horseshoeing methods are available for farriers to take advantage of. They encapsulate the damaged hoof, protecting and supporting the sensitive internal structures. This prevents further deterioration, whilst also immediately reducing pain and improving the horseβs ability to move.
1328:
pressure and increases surface area for weight-bearing on the back half of the hoof. While horses may stabilize if left barefooted, some veterinarians believe the most successful methods of treating founder involve positive stabilisation of the distal phalanx, by mechanical means, e.g., shoes, pads,
1191:
Cooling of the hoof in the developmental stages of laminitis has been shown to have a protective effect when horses are experimentally exposed to carbohydrate overload. Feet placed in ice slurries were less likely to experience laminitis than "uniced" feet. Cryotherapy reduces inflammatory events in
1182:
Initial management usually includes stall rest to minimize movement, and deeply bedding the stall with shavings, straw, or sand. Exercise is slowly increased once the horse has improved, ideally in an area with good (soft) footing, beginning with hand-walking, then turn-out, and finally riding under
1117:
The sooner the diagnosis is made, the faster the treatment and the recovery process can begin. Rapid diagnosis of laminitis is often difficult, since the general problem often starts somewhere else in the horse's body. With modern therapies, most laminitics will be able to bear a rider or completely
1080:
of the foot. The venogram can assess the severity and location of tissue compromise and monitor effectiveness of the current therapy. Compression of veins within the hoof will be seen as sections that do not contain contrast material. Poor or improper blood flow to different regions of the hoof help
653:
Uncompensated cases will develop a lamellar wedge (pathologic horn), leading to a poor bridge between P3 and the hoof capsule. This will lead to irregular horn growth and chronic lameness, and horses will suffer from laminitis "flares." Inappropriate hoof growth will occur: the dorsal horn will have
540:
Vascular theory: Postulates that increases in capillary pressure, constriction of veins, and shunting of blood through anastomoses to bypass the capillaries, causes decreased blood and therefore decreased oxygen and nutrient delivery to lamellae. The end-result would be ischemia, leading to cellular
494:
Mechanical laminitis starts when the hoof wall is pulled away from the bone or lost, as a result of external influences. Mechanical laminitis can occur when a horse habitually paws, is ridden or driven on hard surfaces ("road founder"), or in cases of excessive weight-bearing due to compensation for
987:
Radiographs are an important part of evaluating the laminitic horse. They not only allow the practitioner to determine the severity of the episode, which does not always correlate with degree of pain, but also to gauge improvement and response to treatment. Several measurements are made to predict
569:
Rotation is the most common form of displacement, and, in this case, the tip of the coffin bone rotates downward. The degree of rotation may be influenced by the severity of the initial attack and the time of initiation and aggressiveness of treatment. A combination of forces (e.g. the tension of
1465:
Informally, particularly in the United States, "founder" has come to mean any chronic changes in the structure of the foot that can be linked to laminitis. In some texts, the term is even used synonymously with laminitis, though such usage is technically incorrect. Put simply, not all horses that
1310:
Besides pain management and control of any predisposing factors, mechanical stabilization is a primary treatment goal once the initial inflammatory and metabolic issues have resolved. No approach has been shown to be effective in all situations, and debate is ongoing about the merits and faults of
607:
The acute phase is the first 72 hours following the initiation of clinical signs. Treatment response during this time determines if the horse will go into the subacute phase or chronic phase. Clinical signs at this time include bounding digital pulses, lameness, heat, and possibly response to hoof
1173:
and anti-inflammatory drugs may prevent mechanical breakdown if instituted immediately, but many cases are only detected after the initial microscopic damage has been done. In cases of sepsis or endotoxemia, the underlying cause should be addressed concurrently with laminitis treatment. There are
1084:
Horses undergoing venography have plain radiographs taken beforehand to allow for comparison. The feet are blocked to allow the sedated horse to stand comfortably during the procedure. Prior to injection, a tourniquet is placed around the fetlock to help keep the contrast material within the foot
978:
Horses suffering from the disease usually require an abaxial sesamoid block to relieve them of pain, since the majority of pain comes from the hoof wall. However, chronic cases may respond to a palmar digital block since they usually have primarily sole pain. Severe cases may not respond fully to
918:
The horse stands in a "founder stance" in attempt to decrease the load on the affected feet. If it has laminitis in the front hooves, it will bring its hind legs underneath its body and put its fore legs out in front. In cases of sinking, the horse stands with all four feet close together, like a
1323:
Successful treatment for any type of founder must necessarily involve stabilization of the bony column by some means. Correct trimming can help improve stabilization. This usually includes bringing the "break over" back to decrease the fulcrum-effect that stresses the laminae. Trimming the heels
1168:
In laminitis cases, a clear distinction must be made between the acute onset of a laminitis attack and a chronic situation. A chronic situation can be either stable or unstable. The difference between acute, chronic, stable, and unstable is of vital importance when choosing a treatment protocol.
717:
bred for heavy bodies and long, slim legs with relatively small hooves; their hooves were trimmed for long toes (to make them lift their feet higher, enhancing their stylish "action"), and they were worked at speed on hard roads. Road founder is also seen in overweight animals, particularly when
565:
Normally, the front of the third phalanx is parallel to the hoof wall and its lower surface should be roughly parallel to the ground surface. A single severe laminitic episode or repeated, less severe episodes can, depending upon the degree of separation of dermal and epidermal laminae, lead to
577:
around a significant portion of the hoof occurs. The destruction of the sensitive laminae results in the hoof wall becoming separated from the rest of the hoof, so that it drops within the hoof capsule. Sinking may be symmetrical, i.e., the entire bone moves distally, or asymmetric, where the
654:
a tendency to grow outward rather than down, the heels will grow faster than the toe, and the white line will widen, leading to a potential space for packing of debris. The solar dermis is often compressed enough to inhibit growth, leading to a soft, thin sole (<10 mm) that may develop
633:
The chronic phase occurs if damage to the lamellae is not controlled early in the process, so that the coffin bone displaces. Changes that may occur include separation of the dermal and epidermal lamellae, lengthening of the dermal lamellae, and compression of the coronary and solar dermis. If
397:
Laminitis literally means inflammation of the laminae, and while it remains controversial whether this is the primary mechanism of disease, evidence of inflammation occurs very early in some instances of the disease. A severe inflammatory event is thought to damage the basal epithelial cells,
758:
sometimes occurs in horses confined in a trailer or other transportation for long periods of time. Historically, the most extreme instances were of horses shipped overseas on sailing ships. However, the continual shifting of weight required to balance in a moving vehicle may enhance blood
925:
Change in the outward appearance of the hoof in cases of chronic laminitis: dished (concave) dorsal hoof wall, "founder rings" (growth rings that are wider at the heel than the toe), a sole that is either flat or convex just dorsal to the apex of the frog which indicates P3 has displaced or
544:
Metabolic theory: Insulin affects multiple processes within the body, including inflammation, blood flow, and tissue remodeling. Change in insulin regulation may lead to laminitis. Hyperinsulinemia has been shown to cause increased length of the secondary lamellae and epidermal cell
1346:
The application of external orthotic devices to the foot in a horse with undisplaced laminitis and once displacement has occurred is widespread. Most approaches attempt to shift weight away from the laminae and onto secondary weight-bearing structures, while sparing the sole.
1134:, and success is not guaranteed. A horse can live with laminitis for many years, and although a single episode of laminitis predisposes to further episodes, with good management and prompt treatment it is by no means the catastrophe sometimes supposed: most horses suffering an
1081:
determine the severity of the laminitic episode. Venography is especially useful for early detection of support limb laminitis, as changes will be seen on venograph (and MRI) within 1β2 weeks, whereas clinical signs and radiographic changes do not manifest until 4β6 weeks.
762:
Laminitis has been observed following an equine standing in extreme conditions of cold, especially in deep snow. Laminitis has also followed prolonged heating such as may be experienced from prolonged contact with extremely hot soil or from incorrectly applied hot-shoeing.
1311:
the numerous techniques. Once the distal phalanx rotates, it is essential to derotate and re-establish its proper spatial orientation within the hoof capsule, to ensure the best long-term prospects for the horse. With correct trimming and, as necessary, the application of
1248:, and kidney damage. However, firocoxib provides less pain relief than phenylbutazone or flunixin. Care must be taken that pain is not totally eliminated, since this will encourage the horse to stand and move around, which increases mechanical separation of the laminae.
1199:. For the first three days, Bal a Bali was kept in the spa for eight hours at a time. Once his condition stabilized, he continued to be put in the spa twice a day over the next few months. He eventually recovered enough to win two Grade 1 races before retiring to stud.
325:. Clinical signs include foot tenderness progressing to inability to walk, increased digital pulses, and increased temperature in the hooves. There is also swelling in foot in some cases.Severe cases with outwardly visible clinical signs are known by the colloquial term
1363:
Realigning trimming trims back the toe so that it is in line with the coffin bone. Realigning trimming pushes the coffin bone back into the correct position. The process of a new hoof capsule totally growing out to replace the old one takes up to a year.
1075:
can help determine the prognosis for the animal, particularly in horses where the degree of pain does not match the radiographic changes. In venography, a contrast agent, visible on radiographs, is injected into the palmar digital vein to delineate the
305:
bone, and P3 denotes the distal phalanx, or coffin bone. The yellow lines mark the distance between the top and bottom part of the coffin bone relative to the hoof wall, showing the distal (bottom) of the coffin bone is rotated away from the hoof
2693:
Doucet MY, Bertone AL, Hendrickson D, Hughes F, Macallister C, McClure S, et al. (January 2008). "Comparison of efficacy and safety of paste formulations of firocoxib and phenylbutazone in horses with naturally occurring osteoarthritis".
541:
death and breakdown between the lamellae. Subsequently, increased vascular permeability leads to edema within the hoof, compression of small vessels, and ischemia. Vasoactive amines may be partially to blame for changes in hoof blood flow.
616:
The subacute phase occurs if there is minimal damage to the lamellae. Clinical signs seen in the acute phase resolve, and the horse becomes sound. The horse never shows radiographic changes, and there is no injury to the coffin bone.
1338:
or cast onto the foot so painful nailing does not have to take place. The position of P3 within the hoof is monitored with radiographs. Once the horse has improved, the wedge of the shoe must be slowly reduced back to normal.
641:
The chronic phase may be compensated or uncompensated. Compensated cases will have altered hoof structure, including founder rings, wide white lines, and decreased concavity to the sole. Horses will be relatively sound. On
537:
inflammatory mediators produce inflammation, but recognizes that MMP production occurs later. Therefore, this is possibly a 2-step process, beginning with inflammation and leading to MMP production and subsequent laminitis.
947:
Laminitic horses are generally sore to pressure from hoof testers applied over the toe area. However, there is risk of a false negative if the horse naturally has a thick sole, or if the hoof capsule is about to slough.
1329:
polymeric support, etc. Pour-in pads or putty is sometimes placed on the sole to increase surface area for weight-bearing, so that the sole in the area of the quarters, and the bars, will take some of the weight.
1138:
episode without pedal bone displacement make a complete functional recovery. Some countermeasures can be adopted for pasture based animals. Discovery of laminitis, either active or relatively stabilized, on an
1192:
the lamellae. Ideally, limbs should be placed in an ice bath up to the level of the knee or hock. Hooves need to be maintained at a temperature less than 10 degrees
Celsius at the hoof wall, for 24β72 hours.
662:
within the hoof capsule. Venogram will show "feathering" into the vascular bed beneath the lamellae, and there will be decreased or absent contrast material in the area distal to the apex of the coffin bone.
929:
Change in the appearance of the coronary band: hair that does not lie in a normal position (not against the hoof wall), indentation or rim just above the hoof capsule allowing palpation behind the coronary
1416:
Because the rotation of P3 is exacerbated by continued pull on the deep digital flexor tendon, one approach to therapy has been to cut this tendon, either in the cannon region (mid-metacarpus) or in the
879:
Cross-section of horse with severe laminitis, showing a dished dorsal hoof wall that grows in a more horizontal manner, and a sole that is convex due to pressure from the tip of P3 secondary to rotation.
1153:
Increased founder distance, the vertical distance from the coronary band (seen with a radio-opaque marker) to the dorsoproximal aspect of P3 (distance greater than 15.2mm has a poorer prognosis)
1445:
associated with that procedure. A recent study used this technique in seven laminitic horses. Significant improvement was seen in six of the horses, with moderate improvement in the seventh.
963:
Obel grade 2: Horse displays a stilted, stiff gait, although is willing to walk. It is possible to easily lift a front foot and have the horse take all of its weight on the contralateral limb.
671:
650:
will have relatively normal contrast distribution, including to the apex and distal border of the coffin bone, and the coronary band, but "feathering" may be present at the lamellar "scar."
2014:
McCluskey, M. J.; Kavenagh, P. B. (2010). "Clinical use of triamcinolone acetonide in the horse (205 cases) and the incidence of glucocorticoid-induced laminitis associated with its use".
2758:
Adair HS, Schmidhammer JL, Goble DO, et al. (1997). "Effects of acepromazine maleate, isoxsuprine hydrochloride and prazosin hydrochloride on laminar blood flow in healthy horses".
730:
Normal blood circulation in the lower limbs of a horse depends in part on the horse moving about. Lack of sufficient movement, alone or in combination with other factors, can cause
658:. In severe cases where collapse of the suspensory apparatus of P3 has occurred, the solar dermis or the tip of P3 may penetrate the sole. The horse will also be prone to recurrent
691:
has also been hypothesized as a causative agent of laminitis. However, contradictory evidence indicates the role of histamine in laminitis has not been conclusively established.
1968:
1402:
Coronary grooving involves removing a groove of hoof wall just distal to the coronary band. It is thought to encourage dorsal hoof wall growth and improve alignment of the wall.
2225:
Wongaumnuaykul S, Siedler C, Schobesberger H, Stanek C (2006). "Doppler sonographic evaluation of the digital blood flow in horses with laminitis or septic pododermatitis".
1302:
has also been applied topically in an attempt to increase blood flow, but this treatment does not appear to be an effective way to increase blood flow in the equine digit.
2043:"No Evidence That Therapeutic Systemic Corticosteroid Administration is Associated With Laminitis in Adult Horses Without Underlying Endocrine or Severe Systemic Disease"
863:
Early diagnosis is essential to effective treatment. However, early outward signs may be fairly nonspecific. Careful physical examination typically is diagnostic, but
3139:
2377:
1386:
A dorsal hoof wall resection may help in certain conditions after consultation with an experienced veterinarian and farrier team. If decreased bloodflow distal to the
847:
Whilst diet has long been known to be linked to laminitis, there is emerging evidence that breed and body condition also play a role. Levels of hormones, particularly
2175:
520:
are enzymes that can degrade collagen, growth factors, and cytokines to remodel the extracellular matrix of tissues. To prevent tissue damage, they are regulated by
2547:
1000:
Radiographic measurements, including coronary extensor distance (CE), horn:lamellar distance (HL), sole depth (SD), digital breakover (DB), and palmar angle (PA)
2624:
MacAllister CG, Morgan SJ, Borne AT, Pollet RA (January 1993). "Comparison of adverse effects of phenylbutazone, flunixin meglumine, and ketoprofen in horses".
709:, mechanical separation occurs when horses with long toes are worked extensively on hard ground. The long toes and hard ground together contribute to delayed
3406:
Carter DW, Renfroe JB (July 2009). "A novel approach to the treatment and prevention of laminitis: botulinum toxin type A for the treatment of laminitis".
960:
Obel grade 1: Horse shifts weight between affected feet or continuously lifts feet up. It is sound at the walk but displays a shortened stride at the trot.
3224:
634:
laminitis is allowed to continue, long-term changes such as remodeling of the apex and distal border of the coffin bone (so that a "lip" develops) and
1298:
on the hooves, may be beneficial after lamellar damage has occurred, although no effects on laminar blood flow with this medication have been shown.
1986:
1271:
at a constant rate of infusion, may be of particular benefit to horses suffering from laminitis. Epidurals may also be used in hind-limb laminitis.
548:
Traumatic theory: Concussion is thought to directly damage lamellae, and increased weight-bearing is thought to decrease blood supply to the foot.
189:
573:
Sinking is less common and much more severe. It results when a significant failure of the interdigitation between the sensitive and insensitive
365:
laminae, each with 150β200 secondary laminae projecting from their surface. These interdigitate with equivalent structures on the surface of the
331:, and progression of the disease will lead to perforation of the coffin bone through the sole of the hoof or being unable to stand up, requiring
462:
shavings. In these cases, there is an increase in blood flow to the hoof, bringing in damaging substances and inflammatory cells into the hoof.
1143:
typically downgrades the horse's value, as the possibility of recurrence is a significant risk factor for the future performance of the horse.
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The resulting comfort also reduces overall stress levels, leading to a faster recovery as the horse can quickly return to a regular routine.
772:
521:
475:
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A horse favoring an injured leg will both severely limit its movement and place greater weight on the other legs. This sometimes leads to
2993:
3675:
2511:
3090:
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1972:
1771:
1195:
In the case of a full-blown case of laminitis, use of a cold water spa proved effective in the treatment of the thoroughbred racehorse
1053:
Standardbreds have been shown to have a similar proximal and distal HL, around 16 mm at 2 years old, and 20 mm at 4 years old
1282:
are often used with the goal of improving laminar blood flow. However, during the developmental phases of laminitis, vasodilation is
2742:
1355:
Corrective hoof trimming will restore proper hoof form and function. Corrective trimming will allow the hooves to be healthy again.
646:, remodeling of the coffin bone and in cases of rotational displacement, the distal hoof wall will be thicker than that proximally.
273:
160:
63:
1212:
Anti-inflammatories are always used when treating acute case of laminitis, and include
Nonsteroidal anti-inflammatory medications (
781:
is a subject of much new research and is increasingly believed to have a major role in laminitis. It involves many factors such as
590:
Treatment and prognosis depend on the phase of the disease, with horses treated in earlier stages often having a better prognosis.
3066:
1150:
Increased degree of rotation of P3 relative to the dorsal hoof wall (rotation greater than 11.5 degrees has a poorer prognosis)
966:
Obel grade 3: Horse displays a stilted, stiff gait, but is reluctant to walk and is difficult when asked to lift a front foot.
414:
The mechanism remains unclear and is the subject of much research. Three conditions are thought to cause secondary laminitis:
2328:
204:
98:
2118:"Prospective cohort study evaluating risk factors for the development of pasture-associated laminitis in the United Kingdom"
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circulation, so some horsemen recommend trailering as an initial step in rehabilitation of a horse after long confinement.
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has been infused into the body of the deep digital flexor muscle. This theoretically allows for the same derotation as a
1245:
2353:
1411:
888:
350:
247:
141:
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is seen on a venogram, or when a laminar wedge forms between P3 and the hoof wall, preventing the proper reattachment (
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recover, if treated quickly, and if the laminitis was not severe or complicated (e.g. by equine metabolic syndrome or
219:
113:
1993:
1882:"Effects of grain overfeeding and histamine injection on physiological responses related to acute bovine laminitis"
94:
49:
3250:"Shoe configuration effects on third phalanx and capsule motion of unaffected and laminitic equine hooves in-situ"
933:
In cases of sinking, it may be possible to palpate a groove between the coronary band and the skin of the pastern.
1229:
778:
775:, or Cushing's disease, is common in older horses and ponies and causes an increased predisposition to laminitis.
479:
226:
120:
1059:
HL tends to increase with age, up to 17 mm in most light breeds, or higher, especially in very old animals
819:. The reaction may be an expression of idiosyncrasy in a particular patient, as many horses receive high dose
815:
Anecdotal reports of laminitis following the administration of drugs have been made, especially in the case of
790:
629:
Hoof specimen, sagittal section. Severe P3 rotation and penetration into the sole. A lamellar wedge is evident.
513:
2785:
Belknap JK, Black SJ (2005). "Review of the
Pathophysiology of the Developmental Stages of Equine Laminitis".
1453:
Complications to laminitis include recurrent hoof abscesses, which are sometimes secondary to pedal osteitis,
1126:
laminitis (e.g. after foaling) tends to be more difficult to treat. Successful treatment requires a competent
855:
are also implicated, opening up new possibilities for developing early prognostic tests and risk assessments.
3685:
3115:
3019:
1813:"The developmental and acute phases of insulin-induced laminitis involve minimal metalloproteinase activity"
1140:
1029:: the angle between a line perpendicular to the ground, and a line at the angle of the palmar surface of P3.
1004:
Several radiographic measurements, made on the lateral view, allow for objective evaluation of the episode.
298:
87:
233:
127:
286:
1997:
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Even horses not considered to be susceptible to laminitis can become laminitic when exposed to certain
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and evidence of sinking, a condition often associated with laminitis. The annotation P2 stands for the
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2805:
1921:
Thoefner MB, Pollitt CC, Van Eps AW, Milinovich GJ, Trott DJ, Wattle O, Andersen PH (September 2004).
1636:"Early laminar events involving endothelial activation in horses with black walnut- induced laminitis"
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361:, which act as shock absorbers during locomotion. In horses, there are about 550β600 pairs of primary
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109:
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1216:), DMSO, pentoxpfylline, and cryotherapy. For analgesia, NSAIDs are often the first line of defense.
1119:
389:. The basement membrane is then attached to the coffin bone via the connective tissue of the dermis.
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557:
3366:"Deep digital flexor tenotomy as a treatment for chronic laminitis in horses: 35 cases (1988-1997)"
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926:
penetrated, widening of the white line at the toe with or without bruising, "clubbing" of the foot.
362:
2662:
Suxibuzone as a
Therapeutical Alternative to Phenylbutazone in the Treatment of Lameness in Horses
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experience laminitis will founder, but all horses that founder will first experience laminitis.
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Who's Afraid of
Founder. Laminitis Demystified: Causes, Prevention and Holistic Rehabilitation
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2371:
2308:
2283:
2242:
2205:
2140:
1944:
1903:
1862:
1853:
Nilsson SA (1963). "Clinical, morphological and experimental studies of laminitis in cattle".
1835:
1735:
1657:
1614:
1589:
1495:
912:
733:
517:
403:
386:
332:
2496:
2438:
Jacobs, Carrie C.; Schnabel, Lauren V.; McIlwraith, C. Wayne; Blikslager, Anthony T. (2022).
442:
Inflammatory events that are associated with laminitis include sepsis, endotoxemia, retained
3556:
3415:
3380:
3287:
3269:
3190:
3031:
2959:
2888:
2817:
2767:
2703:
2633:
2467:
2451:
2404:
2273:
2234:
2132:
2090:
2054:
2023:
1934:
1893:
1827:
1647:
1135:
1093:
Other imaging tools have been used to show mechanical deviations in laminitis cases include
3248:
Aoun, Rita; Charles, Iyana; DeRouen, Abigail; Takawira, Catherine; Lopez, Mandi J. (2023).
486:
administration. In cases of EMS, most episodes occur in the spring when the grass is lush.
1939:
1922:
1811:
de Laat MA, Kyaw-Tanner MT, Nourian AR, McGowan CM, Sillence MN, Pollitt CC (April 2011).
1475:
1431:
1391:
1387:
1283:
1106:
749:
675:
The front feet of this horse exhibit the rings and overgrowth typical of foundered horses.
455:
3153:
2851:
1146:
Several radiographic abnormalities can be judged to correlate with a worsened prognosis:
713:, hence mechanical separation of the laminae at the toe. Historically, this was seen in
3365:
3292:
3265:
3249:
2922:
1169:
There is no cure for a laminitic episode and many go undetected. Initial treatment with
625:
3634:
2472:
2439:
2027:
1923:"Acute bovine laminitis: a new induction model using alimentary oligofructose overload"
1315:, one can effect this reorientation. However, this is not always completely effective.
1299:
1217:
820:
816:
745:
714:
483:
428:
378:
240:
134:
55:
2892:
2821:
2771:
3669:
3516:
3035:
2238:
719:
679:
Laminitis has various causes, some of which commonly occur together. These include:
451:
399:
382:
370:
2152:
744:, particularly if the animal is confined in a stall. A notable example is the 2006
2102:
1287:
1268:
1131:
1102:
827:
459:
447:
3384:
3274:
2637:
1831:
1240:, may be somewhat safer than phenylbutazone in preventing NSAID toxicity such as
812:, can cause mares to founder, whether through toxicity, bacterial fever, or both.
3020:"The effect of hoof angle variations on dorsal lamellar load in the equine hoof"
2729:
Pollitt CC (2003). "Medical
Therapy of Laminitis". In Ross MW, Dyson SJ (eds.).
1442:
1279:
1241:
1170:
1077:
848:
422:
366:
178:
76:
3419:
3194:
2963:
2094:
2075:
17:
3618:
Illustrated Atlas of
Clinical Equine Anatomy and Common Disorders of the Horse
1485:
1325:
1295:
1264:
1237:
1225:
1196:
1072:
864:
835:
798:
794:
643:
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344:
294:
290:
3283:
3202:
3043:
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2900:
2829:
2463:
2416:
2408:
2278:
2261:
1634:
Loftus JP, Black SJ, Pettigrew A, Abrahamsen EJ, Belknap JK (November 2007).
561:
Hoof sagittal section with massive inflammation and rotation of third phalanx
3364:
Eastman TG, Honnas CM, Hague BA, Moyer W, von der Rosen HD (February 1999).
1898:
1881:
1866:
1652:
1635:
1490:
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1233:
1123:
831:
688:
3392:
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2715:
2707:
2481:
2424:
2287:
2246:
2144:
1948:
1839:
1661:
1224:(Banamine), ketofen, and others are also used. Nonspecific NSAIDs such as
402:
and subsequent reduction in adherence between the epithelial cells and the
2908:
2645:
1907:
823:
into their joints without showing any evidence of clinical laminitis.
1312:
1291:
1260:
1252:
1221:
1109:
has been explored as a way to quantify changes in bloodflow to the foot.
1056:
Warmbloods have similar proximal and distal values, up to 20 mm each
805:
782:
647:
532:
There are multiple theories as to how laminitis develops. These include:
512:
One of the newest theories for the molecular basis of laminitis involves
443:
314:
3599:
The
Principles of Horseshoeing II and The Principles of Horseshoeing III
2393:"Equine laminitis: cryotherapy reduces the severity of the acute lesion"
2059:
1023:: distance from the tip of P3 to the breakover of the hoof (dorsal toe).
884:
Increased temperature of the wall, sole and/or coronary band of the foot
3625:
2262:"Countermeasures for pasture-associated laminitis in ponies and horses"
1480:
1418:
1412:
Treatment of equine lameness Β§ Deep digital flexor tendon tenotomy
1127:
922:
Tendency to lie down whenever possible, and recumbency in extreme cases
852:
786:
659:
579:
471:
302:
3179:"First Aid for the Laminitic Foot: Therapeutic and Mechanical Support"
2948:"First Aid for the Laminitic Foot: Therapeutic and Mechanical Support"
2455:
2136:
2659:
SabatΓ© D, Homedes J, MayΓ³s I, Calonge R, et al. (January 2005).
1454:
1213:
956:
The severity of lameness is qualified using the Obel grading system:
801:
which are analogous to cortisol, resulting in
Cushings-like symptoms.
655:
418:
374:
322:
2574:"From Off the Pace: Master off Derby trail; Bal a Bali wins Grade 1"
909:
Repeated "easing" of affected feet, i.e. constant shifting of weight
3177:
Reilly, Patrick T.; Dean, Emily K.; Orsini, James A. (2010-08-01).
2946:
Reilly, Patrick T.; Dean, Emily K.; Orsini, James A. (2010-08-01).
3315:
995:
874:
670:
624:
318:
3067:"Researchers Compare Therapeutic Shoes for Horses with Laminitis"
2076:"Laminitis: Risk Factors and Outcome in a Group of Danish Horses"
1886:
Nihon
Juigaku Zasshi. The Japanese Journal of Veterinary Science
1220:
is commonly used for its strong effect and relatively low cost.
809:
718:
hooves are allowed to grow long; classic examples are ponies on
1734:(1st ed.). Ames, Iowa: Wiley-Blackwell. pp. 257β262.
1122:). Even in these cases, a clinical cure can often be achieved.
1044:
Weanlings will have a greater proximal HL compared to distal HL
969:
Obel grade 4: Horse is very reluctant to move, or is recumbent.
353:
hooves of ungulates by layers of modified skin cells, known as
2994:"Managing the Laminitic and Foundered Horse with Sole Support"
2440:"Non-steroidal anti-inflammatory drugs in equine orthopaedics"
1098:
1047:
Yearlings will have approximately equal proximal and distal HL
172:
70:
29:
3495:
Adams HR, Chalkley LW, Buchanan TM, Wagoner DM, eds. (1977).
1987:"Transcript of Press Conference on the condition of Barbaro"
1286:, either through hot water or vasodilatory drugs. Systemic
1050:
Thoroughbreds are usually 17mm proximally, and 19mm distally
196:
1996:
School of Veterinary Medicine. 13 July 2006. Archived from
1588:(4th ed.). St. Louis, MO: Elsevier. pp. 697β712.
3316:"Laminitis In Horses - Non-Invasive, Supportive Treatment"
1294:
which reduces the horse/pony's movements and thus reduces
2301:
Colahan P, Merritt A, Moore J, Mayhew I (December 1998).
3580:
Corrective Farriery, a textbook of remedial horseshoeing
2787:
Proceedings American Association of Equine Practitioners
2260:
Harris P, Bailey SR, Elliott J, Longland A (July 2006).
2041:
McGowan, Cathy; Cooper, Daniel; Ireland, Joanne (2016).
1457:, and fractures to the solar margin of the coffin bone.
3091:"Gluing Shoes To Hoof Boots To Treat Chronic Laminitis"
2354:"How to Support Horses With Acute or Chronic Laminitis"
2352:
Director, Stephanie L. Church, Editorial (2020-02-05).
1430:
As an alternative to the deep digital flexor tenotomy,
200:
3373:
Journal of the American Veterinary Medical Association
2696:
Journal of the American Veterinary Medical Association
2626:
Journal of the American Veterinary Medical Association
2074:
Luthersson N, Mannfalk M, Parkin TD, Harris P (2017).
313:
is a inflammation of laminae that affects the feet of
1770:
Huntington P, Pollitt C, McGowan C (September 2009).
1101:, which also provides some physiologic information.
830:. The most commonly experienced examples are certain
3478:
The Illustrated Veterinary Encyclopedia for Horsemen
3183:
Veterinary Clinics of North America: Equine Practice
2952:
Veterinary Clinics of North America: Equine Practice
2881:
Veterinary Clinics of North America: Equine Practice
2810:
Veterinary Clinics of North America: Equine Practice
2204:. Hoof Rehabilitation Publisher. pp. 234β253.
915:
with a positive response to hoof testers at the toe
327:
101:. Unsourced material may be challenged and removed.
3515:
3497:Veterinary Medications and Treatments for Horsemen
3343:. Cherokee, Ala.: Life Data Labs. pp. 29β31.
3018:Ramsey, G. D.; Hunter, P. J.; Nash, M. P. (2011).
2168:"The Obel Grading System for Describing Laminitis"
1183:saddle. This process may take months to complete.
906:Walking very tenderly, as if walking on egg shells
2806:"Chronic laminitis: current treatment strategies"
2731:Diagnosis and Management of Lameness in the Horse
2116:Menzies-Gow NJ, Harris PA, Elliott J (May 2017).
1438:
1290:as a vasodilator with the fringe benefit of mild
470:Endocrinopathy is usually the result of improper
3225:"Disorders of the Foot in Horses - Horse Owners"
2804:Parks, Andrew; O'Grady, Stephen E (2003-08-01).
1017:: the distance from the tip of P3 to the ground.
808:, if not passed completely after the birth of a
2600:"Comeback King Bal a Bali Takes Shoemaker Mile"
1579:
1577:
1575:
1573:
1571:
1569:
1567:
1565:
1563:
1561:
1559:
1557:
1555:
1553:
1551:
1549:
1547:
1545:
1543:
1541:
1539:
1537:
1535:
1533:
1531:
349:The bones of the hoof are suspended within the
3648:Founder: Prevention & Cure the Natural Way
3539:Founder: Prevention & Cure the Natural Way
2329:"Laminitis in Horses - Musculoskeletal System"
1529:
1527:
1525:
1523:
1521:
1519:
1517:
1515:
1513:
1511:
433:Trauma: concussion or excessive weight-bearing
3116:"Managing Laminitic Horses Using Radiographs"
8:
3138:: CS1 maint: multiple names: authors list (
2376:: CS1 maint: multiple names: authors list (
1441:, but without the potential for scarring or
478:(also called equine Cushing's syndrome) and
205:introducing citations to additional sources
1962:
1960:
1958:
474:regulation, and is most commonly seen with
373:, pedal bone, or distal phalanx), known as
64:Learn how and when to remove these messages
3582:. R & W Publications (Newmarket) Ltd.
2883:. Emergency Treatment in the Adult Horse.
2544:vet.osu.edu (reprint from The Blood-Horse)
2202:Care and Rehabilitation of the Equine Foot
1105:may also be useful in certain situations.
897:Increased vital signs and body temperature
3291:
3273:
3065:MA, Christa LestΓ©-Lasserre (2023-10-10).
2471:
2277:
2058:
1938:
1897:
1820:Veterinary Immunology and Immunopathology
1725:
1723:
1721:
1719:
1717:
1715:
1713:
1711:
1709:
1707:
1705:
1703:
1701:
1699:
1697:
1695:
1693:
1691:
1651:
700:
274:Learn how and when to remove this message
161:Learn how and when to remove this message
3620:. Vol. One. Equistar Publications.
2195:
2193:
1689:
1687:
1685:
1683:
1681:
1679:
1677:
1675:
1673:
1671:
793:in humans. In this syndrome, peripheral
789:resistance. It has some similarities to
582:(s), lead to euthanasia of the patient.
556:
293:of a horse hoof showing rotation of the
285:
195:Relevant discussion may be found on the
3341:Explaining Laminitis and its Prevention
3158:American College of Veterinary Surgeons
2852:"Tenotomy as a treatment for Laminitis"
2391:Van Eps, A. W.; Pollitt, C. C. (2004).
1640:American Journal of Veterinary Research
1507:
522:tissue inhibitors of metalloproteinases
450:overload (excessive grain or pasture),
377:laminae. The secondary laminae contain
3440:Adams and Stashak's Lameness in Horses
3131:
2369:
2307:(Fifth ed.). Mosby. p. 408.
1251:Pentafusion, or the administration of
3522:(Third ed.). Howell Book House.
2553:from the original on 17 December 2016
2227:Veterinary Radiology & Ultrasound
1765:
1763:
1761:
1759:
1757:
1755:
1753:
1751:
773:Pituitary pars intermedia dysfunction
737:, which in turn can cause laminitis.
476:pituitary pars intermedia dysfunction
345:Horse hoof Β§ Internal structures
27:Disease of the feet of hooved animals
7:
3408:Journal of Equine Veterinary Science
3114:CF, Craig Lesser, DVM (2022-09-13).
2760:Journal of Equine Veterinary Science
2083:Journal of Equine Veterinary Science
495:the opposing limb, a process called
99:adding citations to reliable sources
2178:from the original on 15 August 2014
1880:Takahashi K, Young BA (June 1981).
3185:. Advances in Laminitis, Part II.
2954:. Advances in Laminitis, Part II.
2028:10.1111/j.2042-3292.2004.tb00272.x
1461:Informal use of the word "founder"
1208:Anti-inflammatories and analgesics
25:
3518:Horse Owner's Veterinary Handbook
3442:(6th ed.). Wiley-Blackwell.
1940:10.3168/jds.s0022-0302(04)73424-4
45:This article has multiple issues.
3036:10.1111/j.2042-3306.2010.00319.x
2239:10.1111/j.1740-8261.2006.00128.x
1772:"Recent research into laminitis"
1368:Alternative horseshoeing methods
887:A pounding pulse in the digital
599:during the developmental phase.
398:resulting in dysfunction of the
188:relies largely or entirely on a
177:
75:
34:
3514:Giffin JM, Gore T (July 2008).
2675:from the original on 2005-05-29
2517:from the original on 2008-03-08
2166:Anderson M (16 December 2012).
1611:Color Atlas of the Horse's Foot
1009:Coronary extensor distance (CE)
722:in spring, and pregnant mares.
86:needs additional citations for
53:or discuss these issues on the
2875:Baxter, Gary M. (1994-12-01).
638:of the coffin bone can occur.
553:Rotation, sinking, and founder
482:(EMS), as well as obesity and
1:
3616:Riegel RJ, Hakola SE (1999).
3438:Baxter GM, ed. (March 2011).
3385:10.2460/javma.1999.214.04.517
2893:10.1016/S0749-0739(17)30351-6
2822:10.1016/S0749-0739(03)00019-1
2772:10.1016/S0737-0806(97)80186-4
1855:Acta Veterinaria Scandinavica
894:Anxiety and visible trembling
3461:. Russell Meerdink Company.
3275:10.1371/journal.pone.0285475
2668:. 11th SIVE Congress. Pisa.
2638:10.2460/javma.1993.202.01.71
1832:10.1016/j.vetimm.2011.01.013
1779:Advances in Equine Nutrition
1406:Deep digital flexor tenotomy
3601:. Doug Butler Enterprises.
2495:Pollitt C (November 2003).
2304:Equine Medicine and Surgery
2200:Ramey P, Bowker RM (2011).
2016:Equine Veterinary Education
1584:Orsini J, Divers T (2014).
1033:Horn:lamellar distance (HL)
701:Β§ Mechanical laminitis
503:Theories of pathophysiology
425:or generalized inflammation
3702:
3676:Equine injury and lameness
3633:Redden RF (Apr 15, 2004).
3420:10.1016/j.jevs.2009.05.008
3195:10.1016/j.cveq.2010.06.004
2964:10.1016/j.cveq.2010.06.004
2095:10.1016/j.jevs.2016.03.006
1994:University of Pennsylvania
1409:
1382:Dorsal hoof wall resection
698:
687:The inflammatory molecule
342:
3650:. Star Ridge Publishing.
3635:"Understanding Laminitis"
3024:Equine Veterinary Journal
2444:Equine Veterinary Journal
2397:Equine Veterinary Journal
2125:Equine Veterinary Journal
1732:Manual of Equine Lameness
1333:Altering the palmar angle
1232:-specific drugs, such as
992:Radiographic measurements
779:Equine metabolic syndrome
514:matrix metalloproteinases
508:Matrix metalloproteinases
480:equine metabolic syndrome
3537:Jackson J (March 2001).
3476:Wagoner DM, ed. (1977).
3095:www.americanfarriers.com
2409:10.2746/0425164044877107
2272:(7 Suppl): 2114Sβ2121S.
2266:The Journal of Nutrition
1969:"Nonclassical laminitis"
1927:Journal of Dairy Science
1426:Botulinum toxin infusion
1351:Corrective hoof trimming
528:Theories for development
3499:. Equine Research Inc.
3480:. Equine Research Inc.
3229:Merck Veterinary Manual
2504:Proceedings of the AAEP
1899:10.1292/jvms1939.43.375
1653:10.2460/ajvr.68.11.1205
1141:equine prepurchase exam
317:and is found mostly in
3578:Curtis S (June 2006).
3541:. Star Ridge Company.
2708:10.2460/javma.232.1.91
2279:10.1093/jn/136.7.2114S
1159:Sole penetration by P3
1021:Digital breakover (DB)
1001:
880:
867:are also very useful.
726:Poor blood circulation
676:
630:
562:
497:support limb laminitis
307:
3154:"Laminitis in Horses"
2537:"Making of a Miracle"
2333:MSD Veterinary Manual
1861:(Suppl. 1): 188β222.
1785:: 293. Archived from
1433:Clostridium botulinum
999:
878:
695:Mechanical separation
674:
628:
560:
369:(PIII, P3, the third
289:
2856:www.equipodiatry.com
2578:Saratogian Pinksheet
1377:Aggressive therapies
1306:Trimming and shoeing
1242:right dorsal colitis
1156:Decreased sole depth
1103:Nuclear scintigraphy
201:improve this article
95:improve this article
3339:Eustace RA (1996).
3266:2023PLoSO..1885475A
2060:10.18849/ve.v1i1.12
2047:Veterinary Evidence
2003:on 4 February 2007.
1609:Pollitt CC (1995).
1359:Realigning trimming
1095:computed tomography
952:Obel grading system
938:Lameness evaluation
756:Transport laminitis
594:Developmental phase
586:Phases of laminitis
458:, and contact with
3646:Jackson J (2001).
3457:Rooney JR (1998).
2927:The Laminitis Site
2497:"Equine Laminitis"
1586:Equine Emergencies
1002:
881:
836:nitrate fertilizer
705:Commonly known as
677:
631:
563:
518:Metalloproteinases
308:
3657:978-0-9658007-3-0
3608:978-0-916992-26-2
3597:Butler D (2004).
3589:978-1-899772-13-1
3570:978-0-9685988-4-9
3548:978-0-9658007-3-0
3529:978-0-470-12679-0
3506:978-0-935842-01-2
3487:978-0-935842-03-6
3468:978-0-929346-55-7
3449:978-0-813-81549-7
3350:978-0-9518974-0-9
2923:"Realigning Trim"
2877:"Acute Laminitis"
2733:. St. Louis, MO:
2456:10.1111/evj.13561
2314:978-0-8151-1743-8
2211:978-0-615-52453-5
2137:10.1111/evj.12606
1741:978-0-8138-1546-6
1730:Baxter G (2011).
1620:978-0-7234-1765-1
1595:978-1-4557-0892-5
1496:Lameness (equine)
1398:Coronary grooving
1120:Cushing's disease
1089:Other diagnostics
1027:Palmar angle (PA)
683:Vasoactive amines
404:basement membrane
387:basement membrane
381:which attach via
284:
283:
276:
266:
265:
251:
171:
170:
163:
145:
68:
16:(Redirected from
3693:
3661:
3642:
3629:
3612:
3593:
3574:
3563:. Sabine Kells.
3552:
3533:
3521:
3510:
3491:
3472:
3453:
3424:
3423:
3403:
3397:
3396:
3370:
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3015:
3009:
3008:
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3005:
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2984:
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2222:
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2197:
2188:
2187:
2185:
2183:
2172:www.thehorse.com
2163:
2157:
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2071:
2065:
2064:
2062:
2038:
2032:
2031:
2011:
2005:
2004:
2002:
1991:
1983:
1977:
1976:
1971:. Archived from
1964:
1953:
1952:
1942:
1918:
1912:
1911:
1901:
1877:
1871:
1870:
1850:
1844:
1843:
1817:
1808:
1802:
1801:
1799:
1797:
1792:on 23 March 2013
1791:
1776:
1767:
1746:
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1727:
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1624:
1606:
1600:
1599:
1581:
1342:Use of orthotics
1324:helps to ensure
919:circus elephant.
791:type II diabetes
742:static laminitis
279:
272:
261:
258:
252:
250:
209:
181:
173:
166:
159:
155:
152:
146:
144:
103:
79:
71:
60:
38:
37:
30:
21:
3701:
3700:
3696:
3695:
3694:
3692:
3691:
3690:
3666:
3665:
3664:
3658:
3645:
3632:
3615:
3609:
3596:
3590:
3577:
3571:
3555:
3549:
3536:
3530:
3513:
3507:
3494:
3488:
3475:
3469:
3456:
3450:
3437:
3433:
3431:Further reading
3428:
3427:
3405:
3404:
3400:
3368:
3363:
3362:
3358:
3351:
3338:
3337:
3333:
3324:
3322:
3314:
3313:
3309:
3260:(5): e0285475.
3247:
3246:
3242:
3233:
3231:
3223:
3222:
3218:
3176:
3175:
3171:
3162:
3160:
3152:
3151:
3147:
3130:
3124:
3122:
3113:
3112:
3108:
3099:
3097:
3089:
3088:
3084:
3075:
3073:
3064:
3063:
3059:
3017:
3016:
3012:
3003:
3001:
2992:
2991:
2987:
2945:
2944:
2940:
2931:
2929:
2921:
2920:
2916:
2874:
2873:
2869:
2860:
2858:
2850:
2849:
2845:
2803:
2802:
2798:
2784:
2783:
2779:
2757:
2756:
2752:
2745:
2737:. p. 330.
2728:
2727:
2723:
2692:
2691:
2687:
2678:
2676:
2672:
2665:
2658:
2657:
2653:
2623:
2622:
2618:
2608:
2606:
2598:Novak, Claire.
2597:
2596:
2592:
2582:
2580:
2571:
2570:
2566:
2556:
2554:
2550:
2539:
2534:
2533:
2529:
2520:
2518:
2514:
2499:
2494:
2493:
2489:
2437:
2436:
2432:
2390:
2389:
2385:
2368:
2362:
2360:
2351:
2350:
2346:
2337:
2335:
2327:
2326:
2322:
2315:
2300:
2299:
2295:
2259:
2258:
2254:
2224:
2223:
2219:
2212:
2199:
2198:
2191:
2181:
2179:
2165:
2164:
2160:
2120:
2115:
2114:
2110:
2078:
2073:
2072:
2068:
2040:
2039:
2035:
2013:
2012:
2008:
2000:
1989:
1985:
1984:
1980:
1966:
1965:
1956:
1920:
1919:
1915:
1879:
1878:
1874:
1852:
1851:
1847:
1826:(3β4): 275β81.
1815:
1810:
1809:
1805:
1795:
1793:
1789:
1774:
1769:
1768:
1749:
1742:
1729:
1728:
1669:
1646:(11): 1205β11.
1633:
1632:
1628:
1621:
1608:
1607:
1603:
1596:
1583:
1582:
1509:
1504:
1476:Barefoot horses
1472:
1463:
1451:
1414:
1392:interdigitation
1388:coronary plexus
1379:
1370:
1308:
1284:contraindicated
1205:
1189:
1180:
1166:
1115:
1107:Ultrasonography
1091:
1015:Sole depth (SD)
985:
940:
903:Flared nostrils
873:
861:
845:
817:corticosteroids
785:metabolism and
769:
728:
715:carriage horses
703:
697:
685:
669:
588:
555:
505:
456:pleuropneumonia
412:
395:
393:Pathophysiology
347:
341:
280:
269:
268:
267:
262:
256:
253:
210:
208:
194:
182:
167:
156:
150:
147:
104:
102:
92:
80:
39:
35:
28:
23:
22:
18:Founder (horse)
15:
12:
11:
5:
3699:
3697:
3689:
3688:
3686:Horse diseases
3683:
3678:
3668:
3667:
3663:
3662:
3656:
3643:
3630:
3613:
3607:
3594:
3588:
3575:
3569:
3553:
3547:
3534:
3528:
3511:
3505:
3492:
3486:
3473:
3467:
3459:The Lame Horse
3454:
3448:
3434:
3432:
3429:
3426:
3425:
3414:(7): 595β600.
3398:
3356:
3349:
3331:
3307:
3240:
3216:
3189:(2): 451β458.
3169:
3145:
3106:
3082:
3057:
3030:(5): 536β542.
3010:
2998:Horse Journals
2985:
2958:(2): 451β458.
2938:
2914:
2887:(3): 627β642.
2867:
2843:
2816:(2): 393β416.
2796:
2777:
2750:
2743:
2721:
2685:
2651:
2616:
2604:BloodHorse.com
2590:
2564:
2527:
2487:
2450:(4): 636β648.
2430:
2403:(3): 255β260.
2383:
2344:
2320:
2313:
2293:
2252:
2233:(2): 199β205.
2217:
2210:
2189:
2158:
2131:(3): 300β306.
2108:
2066:
2033:
2006:
1978:
1975:on 2008-01-24.
1954:
1933:(9): 2932β40.
1913:
1872:
1845:
1803:
1747:
1740:
1667:
1626:
1619:
1601:
1594:
1506:
1505:
1503:
1500:
1499:
1498:
1493:
1488:
1483:
1478:
1471:
1468:
1462:
1459:
1450:
1447:
1428:
1427:
1410:Main article:
1408:
1407:
1400:
1399:
1384:
1383:
1378:
1375:
1369:
1366:
1361:
1360:
1353:
1352:
1344:
1343:
1335:
1334:
1321:
1320:
1307:
1304:
1300:Nitroglycerine
1277:
1276:
1246:gastric ulcers
1218:Phenylbutazone
1210:
1209:
1204:
1203:Drug therapies
1201:
1188:
1185:
1179:
1176:
1165:
1162:
1161:
1160:
1157:
1154:
1151:
1114:
1111:
1090:
1087:
1070:
1069:
1065:
1064:
1063:
1062:
1061:
1060:
1057:
1054:
1051:
1048:
1045:
1037:
1036:
1030:
1024:
1018:
1012:
994:
993:
984:
981:
979:nerve blocks.
976:
975:
971:
970:
967:
964:
961:
954:
953:
945:
944:
939:
936:
935:
934:
931:
927:
923:
920:
916:
910:
907:
904:
901:
898:
895:
892:
885:
872:
871:Clinical signs
869:
860:
857:
844:
841:
840:
839:
834:and synthetic
824:
821:glucocorticoid
813:
802:
776:
768:
767:Complex causes
765:
746:Kentucky Derby
727:
724:
696:
693:
684:
681:
668:
665:
623:
622:
614:
613:
612:Subacute phase
605:
604:
596:
595:
587:
584:
554:
551:
550:
549:
546:
545:proliferation.
542:
538:
530:
529:
510:
509:
504:
501:
492:
491:
484:glucocorticoid
468:
467:
466:Endocrinopathy
440:
439:
435:
434:
431:
429:Endocrinopathy
426:
411:
408:
400:hemidesmosomes
394:
391:
383:hemidesmosomes
343:Main article:
340:
337:
299:middle phalanx
282:
281:
264:
263:
199:. Please help
185:
183:
176:
169:
168:
83:
81:
74:
69:
43:
42:
40:
33:
26:
24:
14:
13:
10:
9:
6:
4:
3:
2:
3698:
3687:
3684:
3682:
3679:
3677:
3674:
3673:
3671:
3659:
3653:
3649:
3644:
3640:
3636:
3631:
3627:
3623:
3619:
3614:
3610:
3604:
3600:
3595:
3591:
3585:
3581:
3576:
3572:
3566:
3562:
3558:
3554:
3550:
3544:
3540:
3535:
3531:
3525:
3520:
3519:
3512:
3508:
3502:
3498:
3493:
3489:
3483:
3479:
3474:
3470:
3464:
3460:
3455:
3451:
3445:
3441:
3436:
3435:
3430:
3421:
3417:
3413:
3409:
3402:
3399:
3394:
3390:
3386:
3382:
3378:
3374:
3367:
3360:
3357:
3352:
3346:
3342:
3335:
3332:
3321:
3317:
3311:
3308:
3303:
3299:
3294:
3289:
3285:
3281:
3276:
3271:
3267:
3263:
3259:
3255:
3251:
3244:
3241:
3230:
3226:
3220:
3217:
3212:
3208:
3204:
3200:
3196:
3192:
3188:
3184:
3180:
3173:
3170:
3159:
3155:
3149:
3146:
3141:
3135:
3121:
3117:
3110:
3107:
3096:
3092:
3086:
3083:
3072:
3068:
3061:
3058:
3053:
3049:
3045:
3041:
3037:
3033:
3029:
3025:
3021:
3014:
3011:
2999:
2995:
2989:
2986:
2981:
2977:
2973:
2969:
2965:
2961:
2957:
2953:
2949:
2942:
2939:
2928:
2924:
2918:
2915:
2910:
2906:
2902:
2898:
2894:
2890:
2886:
2882:
2878:
2871:
2868:
2857:
2853:
2847:
2844:
2839:
2835:
2831:
2827:
2823:
2819:
2815:
2811:
2807:
2800:
2797:
2792:
2788:
2781:
2778:
2773:
2769:
2765:
2761:
2754:
2751:
2746:
2744:0-7216-8342-8
2740:
2736:
2732:
2725:
2722:
2717:
2713:
2709:
2705:
2701:
2697:
2689:
2686:
2671:
2664:
2663:
2655:
2652:
2647:
2643:
2639:
2635:
2631:
2627:
2620:
2617:
2605:
2601:
2594:
2591:
2579:
2575:
2572:Scott, Jeff.
2568:
2565:
2549:
2545:
2538:
2531:
2528:
2513:
2509:
2505:
2498:
2491:
2488:
2483:
2479:
2474:
2469:
2465:
2461:
2457:
2453:
2449:
2445:
2441:
2434:
2431:
2426:
2422:
2418:
2414:
2410:
2406:
2402:
2398:
2394:
2387:
2384:
2379:
2373:
2359:
2355:
2348:
2345:
2334:
2330:
2324:
2321:
2316:
2310:
2306:
2305:
2297:
2294:
2289:
2285:
2280:
2275:
2271:
2267:
2263:
2256:
2253:
2248:
2244:
2240:
2236:
2232:
2228:
2221:
2218:
2213:
2207:
2203:
2196:
2194:
2190:
2177:
2174:. The Horse.
2173:
2169:
2162:
2159:
2154:
2150:
2146:
2142:
2138:
2134:
2130:
2126:
2119:
2112:
2109:
2104:
2100:
2096:
2092:
2088:
2084:
2077:
2070:
2067:
2061:
2056:
2052:
2048:
2044:
2037:
2034:
2029:
2025:
2021:
2017:
2010:
2007:
1999:
1995:
1988:
1982:
1979:
1974:
1970:
1963:
1961:
1959:
1955:
1950:
1946:
1941:
1936:
1932:
1928:
1924:
1917:
1914:
1909:
1905:
1900:
1895:
1892:(3): 375β85.
1891:
1887:
1883:
1876:
1873:
1868:
1864:
1860:
1856:
1849:
1846:
1841:
1837:
1833:
1829:
1825:
1821:
1814:
1807:
1804:
1788:
1784:
1780:
1773:
1766:
1764:
1762:
1760:
1758:
1756:
1754:
1752:
1748:
1743:
1737:
1733:
1726:
1724:
1722:
1720:
1718:
1716:
1714:
1712:
1710:
1708:
1706:
1704:
1702:
1700:
1698:
1696:
1694:
1692:
1690:
1688:
1686:
1684:
1682:
1680:
1678:
1676:
1674:
1672:
1668:
1663:
1659:
1654:
1649:
1645:
1641:
1637:
1630:
1627:
1622:
1616:
1612:
1605:
1602:
1597:
1591:
1587:
1580:
1578:
1576:
1574:
1572:
1570:
1568:
1566:
1564:
1562:
1560:
1558:
1556:
1554:
1552:
1550:
1548:
1546:
1544:
1542:
1540:
1538:
1536:
1534:
1532:
1530:
1528:
1526:
1524:
1522:
1520:
1518:
1516:
1514:
1512:
1508:
1501:
1497:
1494:
1492:
1489:
1487:
1484:
1482:
1479:
1477:
1474:
1473:
1469:
1467:
1460:
1458:
1456:
1449:Complications
1448:
1446:
1444:
1440:
1436:
1434:
1425:
1424:
1423:
1420:
1413:
1405:
1404:
1403:
1397:
1396:
1395:
1393:
1389:
1381:
1380:
1376:
1374:
1367:
1365:
1358:
1357:
1356:
1350:
1349:
1348:
1341:
1340:
1339:
1332:
1331:
1330:
1327:
1318:
1317:
1316:
1314:
1305:
1303:
1301:
1297:
1293:
1289:
1285:
1281:
1274:
1273:
1272:
1270:
1266:
1262:
1258:
1254:
1249:
1247:
1243:
1239:
1235:
1231:
1227:
1223:
1219:
1215:
1207:
1206:
1202:
1200:
1198:
1193:
1186:
1184:
1177:
1175:
1172:
1163:
1158:
1155:
1152:
1149:
1148:
1147:
1144:
1142:
1137:
1133:
1129:
1125:
1121:
1112:
1110:
1108:
1104:
1100:
1097:, as well as
1096:
1088:
1086:
1082:
1079:
1074:
1067:
1066:
1058:
1055:
1052:
1049:
1046:
1043:
1042:
1041:
1040:
1039:
1038:
1034:
1031:
1028:
1025:
1022:
1019:
1016:
1013:
1010:
1007:
1006:
1005:
998:
991:
990:
989:
982:
980:
973:
972:
968:
965:
962:
959:
958:
957:
951:
950:
949:
942:
941:
937:
932:
928:
924:
921:
917:
914:
911:
908:
905:
902:
899:
896:
893:
890:
886:
883:
882:
877:
870:
868:
866:
858:
856:
854:
850:
842:
837:
833:
829:
828:agrichemicals
825:
822:
818:
814:
811:
807:
803:
800:
796:
792:
788:
784:
780:
777:
774:
771:
770:
766:
764:
760:
757:
753:
751:
747:
743:
738:
736:
735:
725:
723:
721:
720:pasture board
716:
712:
708:
702:
694:
692:
690:
682:
680:
673:
666:
664:
661:
657:
651:
649:
645:
639:
637:
627:
621:Chronic phase
620:
619:
618:
611:
610:
609:
602:
601:
600:
593:
592:
591:
585:
583:
581:
576:
571:
567:
559:
552:
547:
543:
539:
535:
534:
533:
527:
526:
525:
523:
519:
515:
507:
506:
502:
500:
498:
489:
488:
487:
485:
481:
477:
473:
465:
464:
463:
461:
457:
453:
452:enterocolitis
449:
445:
437:
436:
432:
430:
427:
424:
420:
417:
416:
415:
409:
407:
405:
401:
392:
390:
388:
384:
380:
376:
372:
368:
364:
360:
356:
352:
346:
338:
336:
334:
330:
329:
324:
320:
316:
312:
304:
300:
296:
292:
288:
278:
275:
260:
257:December 2021
249:
246:
242:
239:
235:
232:
228:
225:
221:
218: β
217:
213:
212:Find sources:
206:
202:
198:
192:
191:
190:single source
186:This article
184:
180:
175:
174:
165:
162:
154:
151:December 2021
143:
140:
136:
133:
129:
126:
122:
119:
115:
112: β
111:
107:
106:Find sources:
100:
96:
90:
89:
84:This article
82:
78:
73:
72:
67:
65:
58:
57:
52:
51:
46:
41:
32:
31:
19:
3647:
3638:
3617:
3598:
3579:
3560:
3538:
3517:
3496:
3477:
3458:
3439:
3411:
3407:
3401:
3379:(4): 517β9.
3376:
3372:
3359:
3340:
3334:
3323:. Retrieved
3319:
3310:
3257:
3253:
3243:
3232:. Retrieved
3228:
3219:
3186:
3182:
3172:
3161:. Retrieved
3157:
3148:
3123:. Retrieved
3119:
3109:
3098:. Retrieved
3094:
3085:
3074:. Retrieved
3070:
3060:
3027:
3023:
3013:
3002:. Retrieved
3000:. 2016-02-14
2997:
2988:
2955:
2951:
2941:
2930:. Retrieved
2926:
2917:
2884:
2880:
2870:
2859:. Retrieved
2855:
2846:
2813:
2812:. Podiatry.
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2171:
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2128:
2124:
2111:
2086:
2082:
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2036:
2022:(2): 86β89.
2019:
2015:
2009:
1998:the original
1981:
1973:the original
1930:
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1916:
1889:
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1794:. Retrieved
1787:the original
1782:
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1371:
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1288:acepromazine
1280:Vasodilators
1278:
1275:Vasodilators
1269:acepromazine
1250:
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1132:veterinarian
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843:Risk factors
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707:road founder
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460:black walnut
448:carbohydrate
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117:
105:
93:Please help
88:verification
85:
61:
54:
48:
47:Please help
44:
3681:Equine hoof
2766:: 599β603.
2702:(1): 91β7.
2632:(1): 71β7.
2535:Shulman L.
1443:contracture
1187:Cryotherapy
1171:cryotherapy
1078:vasculature
983:Radiographs
865:radiographs
849:adiponectin
804:A retained
797:synthesise
644:radiographs
603:Acute phase
423:endotoxemia
379:basal cells
367:coffin bone
295:coffin bone
216:"Laminitis"
110:"Laminitis"
3670:Categories
3626:B000Z4DW38
3557:Strasser H
3325:2022-09-14
3234:2023-11-30
3163:2023-11-30
3125:2023-11-30
3100:2023-11-30
3076:2023-11-30
3004:2023-11-30
2932:2023-11-30
2861:2023-11-30
2679:2008-04-19
2521:2008-04-19
2363:2023-11-30
2338:2023-11-30
1967:Rooney J.
1502:References
1486:Horse hoof
1296:concussion
1265:detomidine
1238:diclofenac
1226:suxibuzone
1197:Bal a Bali
1178:Management
832:herbicides
799:adipokines
699:See also:
636:osteolysis
333:euthanasia
291:Radiograph
227:newspapers
121:newspapers
50:improve it
3639:The Horse
3320:FormaHoof
3284:1932-6203
3203:0749-0739
3120:The Horse
3071:The Horse
3044:0425-1644
2972:0749-0739
2901:0749-0739
2830:0749-0739
2464:0425-1644
2417:0425-1644
2358:The Horse
2089:: 68β73.
1613:. Mosby.
1491:Horseshoe
1313:orthotics
1257:lidocaine
1234:firocoxib
1164:Treatment
1124:Endotoxic
1113:Prognosis
1073:Venograms
1068:Venograms
859:Diagnosis
795:fat cells
732:stagnant
711:breakover
689:histamine
648:Venograms
608:testing.
410:Mechanism
363:epidermal
315:ungulates
311:Laminitis
197:talk page
56:talk page
3559:(2003).
3393:10029854
3302:37155654
3293:10166494
3254:PLOS ONE
3211:20699187
3134:cite web
3052:21496082
2980:20699187
2838:14575166
2735:Saunders
2716:18167116
2670:Archived
2583:14 March
2557:20 March
2548:Archived
2512:Archived
2482:35076950
2425:15147134
2372:cite web
2288:16772514
2247:16553154
2176:Archived
2153:19954615
2145:27363591
1949:15375054
1867:13816616
1840:21333362
1662:17975975
1470:See also
1439:tenotomy
1319:Trimming
1292:sedation
1261:morphine
1253:ketamine
1222:Flunixin
913:Lameness
900:Sweating
806:placenta
783:cortisol
516:(MMPs).
444:placenta
359:lamellae
3262:Bibcode
2909:7704823
2646:8420909
2473:9304133
2182:30 July
2103:4493753
1908:7321364
1796:28 July
1481:Farrier
1455:seromas
1419:pastern
1128:farrier
853:insulin
787:insulin
750:Barbaro
748:winner
656:seromas
580:farrier
575:laminae
472:insulin
385:to the
371:phalanx
355:laminae
339:Laminae
328:founder
303:pastern
241:scholar
135:scholar
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1214:NSAIDS
891:artery
889:palmar
734:anoxia
667:Causes
490:Trauma
419:Sepsis
375:dermal
323:cattle
319:horses
243:
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116:
108:
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2099:S2CID
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2001:(PDF)
1990:(PDF)
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1790:(PDF)
1775:(PDF)
1230:COX-2
1228:, or
1136:acute
930:band.
351:axial
306:wall.
301:, or
248:JSTOR
234:books
142:JSTOR
128:books
3652:ISBN
3622:ASIN
3603:ISBN
3584:ISBN
3565:ISBN
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3444:ISBN
3389:PMID
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3140:link
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2642:PMID
2611:2017
2585:2017
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