Knowledge (XXG)

Blood–gas partition coefficient

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1272: 1282: 88:); this leads to faster onset of anesthesia and faster emergence from anesthesia once application of the anesthetic is stopped, which may be preferable in certain clinical scenarios. If an anesthetic has a high coefficient, then a large amount of it will have to be taken up in the body's blood before being passed on to the fatty (lipid) tissues of the brain where it can exert its effect. 94:
Minimum alveolar concentration (MAC) is defined as the alveolar concentration of anesthetic gas that prevents a movement response in half of subjects undergoing a painful (surgical) stimulus; simplified, it is the exhaled gas concentration required to produce anaesthetic effects – an
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in both compartments is equal, is nearly constant at sufficiently low concentrations. The partition coefficient is defined as this ratio and, therefore, has no units. The concentration of the anesthetic in blood includes the portion that is undissolved in plasma and the portion that is dissolved
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Grossherr, M; Hengstenberg, A; Dibbelt, L; Igl, BW; Noel, R; Knesebeck, Av; Schmucker, P; Gehring, H (Oct 2009). "Blood gas partition coefficient and pulmonary extraction ratio for propofol in goats and pigs".
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the inhaled anesthetic is in blood compared to in air, the more it binds to plasma proteins in the blood and the higher the blood–gas
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The potency of an anesthetic is associated with its lipid solubility, which is measured by its oil/gas partition coefficient.
1232: 1191: 838: 1222: 1181: 1074: 693: 587: 729: 1079: 744: 1125: 987: 899: 49:, the ratio of the concentration in blood to the concentration in gas that is in contact with that blood, when the 316: 1316: 1033: 739: 1094: 1048: 914: 805: 524: 785: 1275: 1099: 1089: 1043: 734: 724: 646: 609: 1150: 1038: 1285: 972: 661: 626: 63: 1084: 1018: 1013: 947: 924: 828: 70: 1306: 942: 800: 790: 681: 671: 636: 631: 575: 558: 517: 1028: 884: 754: 666: 651: 614: 599: 592: 394: 42: 73:. Induction rate is defined as the speed at which an agent produces anesthesia. The higher the 17: 1130: 957: 952: 843: 770: 676: 438: 386: 348: 342: 1120: 909: 869: 582: 465: 428: 378: 50: 874: 749: 709: 414:"Blood/gas partition coefficients of halothane, isoflurane and sevoflurane in horse blood" 982: 977: 889: 544: 259: 55: 46: 1300: 1104: 992: 894: 719: 469: 398: 134: 85: 344:
The Physics, Clinical Measurement and Equipment of Anaesthetic Practice for the FRCA
967: 795: 780: 84:) typically have smaller blood–gas partition coefficients than older ones (such as 38: 1171: 879: 833: 621: 509: 209: 919: 714: 540: 382: 234: 184: 81: 413: 280: 159: 442: 390: 864: 563: 433: 412:
Bergadano, A; Lauber, R; Zbinden, A; Schatzmann, U; Moens, Y (Aug 2003).
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Battino, Rubin (1984). "The Ostwald coefficient of gas solubility".
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American Society of Anesthesia Technologists & Technicians
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Pharmacokinetics of Inhalation Anesthetics. Nurse anesthesia
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Helsinki Declaration for Patient Safety in Anaesthesiology
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Effects of early-life exposures to anesthesia on the brain
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Association of Anaesthetists of Great Britain and Ireland
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European Society of Anaesthesiology and Intensive Care
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Measure of solubility of general anaesthetics in blood
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Australian and New Zealand College of Anaesthetists
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Oxford University Press. p. 133. 1238:Association of Veterinary Anaesthetists 308: 41:to describe the solubility of inhaled 1218:American Society of Anesthesiologists 106:Partition coefficients at 37 °C 7: 1223:Anaesthesia Trauma and Critical Care 77:, the slower the rate of induction. 1248:Australian Society of Anaesthetists 1156:Physicians' assistant (anaesthesia) 1059:Postoperative residual curarization 1136:Operating department practitioners 25: 1146:Certified anesthesia technologist 1054:Postoperative nausea and vomiting 569:Procedural sedation and analgesia 35:Ostwald coefficient for blood–gas 1280: 1271: 1270: 687:Transverse abdominis plane block 317:"Ostwald solubility coefficient" 1281: 1187:History of neuraxial anesthesia 1141:Certified anesthesia technician 963:Double-lumen endobronchial tube 824:Blood–gas partition coefficient 657:Intravenous regional anesthesia 75:blood:gas partition coefficient 31:Blood–gas partition coefficient 18:Blood/gas partition coefficient 1233:Royal College of Anaesthetists 1192:History of tracheal intubation 839:Minimum alveolar concentration 776:Anesthesia provision in the US 421:British Journal of Anaesthesia 1: 1182:History of general anesthesia 694:Total intravenous anaesthesia 642:Inferior alveolar nerve block 588:Continuous wound infiltration 745:Neuromuscular-blocking drugs 502:(5th ed.). p. 156. 470:10.1016/0378-3812(84)87009-0 1080:Critical emergency medicine 487:(5th ed.). p. 79. 80:Newer anesthetics (such as 69:It is inversely related to 1333: 1126:Anesthesiologist assistant 988:Relative analgesia machine 1266: 1034:Local anesthetic toxicity 483:Nagelhout, J. J. (2014). 383:10.1080/00498250903056109 105: 99:Inhalational anaesthetics 1312:Concentration indicators 1049:Postanesthetic shivering 915:Neuromuscular monitoring 806:Rapid sequence induction 735:Inhalational anesthetics 1100:Oral sedation dentistry 1090:Intensive care medicine 1044:Perioperative mortality 900:Guedel's classification 647:Intercostal nerve block 500:Clinical Anesthesiology 45:in blood. According to 1151:Anaesthetic technician 1039:Malignant hyperthermia 498:Morgan, G. E. (2013). 458:Fluid Phase Equilibria 321:Medical Dictionary.com 973:Laryngeal mask airway 817:Scientific principles 786:Dogliotti's principle 662:Occipital nerve block 627:Brachial plexus block 64:partition coefficient 1019:Drug-induced amnesia 1014:Anesthesia awareness 948:Anesthetic vaporizer 925:Thyromental distance 829:Concentration effect 703:Pharmacologic agents 672:Pudendal nerve block 37:, is a term used in 943:Anaesthetic machine 801:Tracheal intubation 791:Intravenous therapy 730:General anesthetics 682:Sciatic nerve block 637:Femoral nerve block 632:Fascia iliaca block 610:Epidural anesthesia 576:Twilight anesthesia 43:general anesthetics 1029:Emergence delirium 1009:Allergic reactions 885:Entropy monitoring 667:Paracervical block 652:Interpleural block 615:Spinal anaesthesia 600:Neuraxial blockade 434:10.1093/bja/aeg151 1294: 1293: 1131:Nurse anesthetist 958:Bronchial blocker 953:Arterial catheter 844:Second gas effect 771:Airway management 740:Local anesthetics 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The more 39:pharmacology 34: 30: 29: 1172:ACE mixture 1114:Professions 935:Instruments 880:Capnography 834:Fink effect 715:Antiemetics 622:Nerve block 371:Xenobiotica 326:14 February 210:Sevoflurane 123:Brain/blood 47:Henry's law 1307:Anesthesia 1301:Categories 920:Pain scale 764:Techniques 541:Anesthesia 303:References 235:Desflurane 185:Isoflurane 129:Fat/blood 111:Anesthetic 82:desflurane 54:(bound to 1095:Obstetric 1085:Geriatric 755:Sedatives 399:205462293 281:Enflurane 160:Halothane 117:Blood/gas 1276:Category 865:Baricity 564:Sedation 443:12878628 391:19548775 1286:Outline 1165:History 750:Opioids 593:Topical 559:General 120:Oil/gas 114:MAC (%) 60:soluble 441:  397:  389:  351:  583:Local 552:Types 417:(PDF) 395:S2CID 86:ether 543:and 439:PMID 387:PMID 349:ISBN 328:2020 285:1.58 245:18.7 242:0.45 217:0.65 189:1.15 164:0.74 154:2.3 142:0.47 466:doi 429:doi 379:doi 288:1.9 264:0.2 254:27 251:2.0 248:1.3 239:5.8 229:48 226:3.1 223:1.7 204:45 201:4.0 198:2.6 192:1.4 179:60 176:3.5 173:2.9 170:224 167:2.4 151:1.2 148:1.1 145:1.4 139:105 1303:: 462:15 460:. 437:. 425:91 423:. 419:. 393:. 385:. 375:39 373:. 319:. 267:12 220:42 195:97 66:. 533:e 526:t 519:v 472:. 468:: 445:. 431:: 401:. 381:: 357:. 330:. 214:2 20:)

Index

Blood/gas partition coefficient
pharmacology
general anesthetics
Henry's law
partial pressure
plasma proteins
soluble
partition coefficient
induction rate
blood:gas partition coefficient
desflurane
ether
Nitrous oxide
Halothane
Isoflurane
Sevoflurane
Desflurane
Methoxyflurane
Enflurane
"Ostwald solubility coefficient"
The Physics, Clinical Measurement and Equipment of Anaesthetic Practice for the FRCA
ISBN
978-0-19-959515-0
doi
10.1080/00498250903056109
PMID
19548775
S2CID
205462293
"Blood/gas partition coefficients of halothane, isoflurane and sevoflurane in horse blood"

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