Knowledge (XXG)

Endovascular coiling

Source πŸ“

118:. The main goal is prevention of rupture in unruptured aneurysms, and prevention of rebleeding in ruptured aneurysms by limiting blood circulation to the aneurysm space. Clinically, packing density is recommended to be 20-30% or more of the aneurysm's volume, typically requiring deployment of multiple wires. Higher volumes may be difficult due to the delicate nature of the aneurysm; intraoperative rupture rates are as high as 7.6% for this procedure. In ruptured aneurysms, coiling is performed quickly after rupture because of the high risk of rebleeding within the first few weeks after initial rupture. The patients most suitable for endovascular coiling are those with aneurysms with a small neck size (preferably <4 mm), luminal diameter <25 mm and those that are distinct from the parent vessel. Larger aneurysms are subject to compaction of coils, due to both looser packing densities (more coils are needed) and increased blood flow. Coil compaction renders them unsuitable as they are incapable of stemming blood flow. However, technological advances have made coiling of many other aneurysms possible as well. 270:. Despite the innovative approach, the aneurysms were often found to adapt to the shape of the balloon itself resulting in higher incidents of aneurysm rupture. This procedure was deemed "uncontrollable" due to its high morbidity and mortality rate, but it demonstrated that the endovascular approach was feasible for many aneurysms. Endovascular coils would later be used in 1989 by Hilal et al., but these were short, stiff coils that offered no control, preventing dense packing of the aneurysm. Controllable microguidewire systems were later used. 40: 225:
available in a variety of diameters, lengths, and cross sections. A coil is first inserted along the aneurysm wall to create a frame, with the core then being filled with more coils. A series of progressively smaller coils may also be used. Success is determined by injecting a contrast dye into parent artery and qualitatively determining if dye is flowing into the aneurysm space during fluoroscopy. If no flow is observed, the procedure is considered completed. In the case of wide-necked aneurysms a
127:
clipping, with one study finding a significant decrease in probability of death or dependency compared to a neurosurgical population. Complication rates for coiling as well are generally found to be lower than microsurgery (11.7% and 17.6% for coiling and microsurgery, respectively). Despite this, intraoperative rupture rates for coiling have been documented as being as high as 7.6%. Clinical results are found to be similar at a two-month and one year follow-up between coiling and neurosurgery.
328:, can be used to generate 3D reconstructions of patient specific anatomy. When combined with CFD/FEA, hemodynamics can be estimated in patient specific simulations, giving the clinician greater predictive tools for surgical planning and outcome evaluation to best promote thrombus formation. However, most computer models use many assumptions for simplicity, including rigid walls (non-elastic) for vasculature, substituting a porous medium in place of physical coil representations, and 293: 205: 283:
would be useful as a detachment system. Detachable coils were constructed from a platinum coil soldered to a stainless steel delivery wire, first described in 1991 by Guglielmi et al. When combined with a controllable microguide wire system, multiple coils could be inserted to fully pack an aneurysm.
224:
The treatment uses detachable coils made of platinum that are inserted into the aneurysm using the microcatheter. A variety of coils are available, including Guglielmi Detachable Coils (GDC) which are platinum, Matrix coils which are coated with a biopolymer, and hydrogel coated coils. Coils are also
278:
In 1983 the use of electrically induced thrombosis for intracranial aneurysms was described for the first time. A stainless steel electrode supplied a positive current to the aneurysm to stimulate electrothrombosis. Minimal occlusion was achieved, but the researchers discovered that the erosion of
130:
Reported recurrence rates are quite varied, with rates between 20 and 50% of aneurysms recurring within one year of coiling, and with the recurrence rate increasing with time. These results are similar to those previously reported by other endovascular groups. Other studies have questioned whether
126:
A number of studies have questioned the efficacy of endovascular coiling over the more traditional surgical clipping. Most concerns involve the chance of later bleeds or other recanalization. Due to its less invasive nature, endovascular coiling usually presents faster recovery times than surgical
97:
throughout the body. The procedure reduces blood circulation to the aneurysm through the use of microsurgical detachable platinum wires, with the clinician inserting one or more into the aneurysm until it is determined that blood flow is no longer occurring within the space. It is one of two main
249:
The first documented technique of using metal coils to induce thrombosis was accomplished by Mullan in 1974. Copper coils were inserted into a giant aneurysm through externally puncturing the aneurysm wall via craniotomy. Five patients died, with ten having satisfactory process. It did not gain
154:
Similar to patients who experience neurosurgical procedures, coiling results in an increase in resting energy expenditure, albeit at a slightly reduced rate than their neurosurgery counterpart. This can lead to malnutrition if steps are not taken to compensate for the increased metabolic rate.
138:
tested the efficacy of endovascular coiling against the traditional micro-surgical clipping. The study initially found very favorable results for coiling, however its results and methodology were criticized. Since the study's release in 2002, and again in 2005, some studies have found higher
1476:
Cheng, Xiao Qing; Chen, Qian; Zhou, Chang Sheng; Li, Jian Rui; Zhang, Zong Jun; Zhang, Long Jiang; Huang, Wei; Lu, Guang Ming (April 2016). "Whole-brain CT perfusion combined with CT angiography for ischemic complications following microsurgical clipping and endovascular coiling of ruptured
1372:
Ford, Matthew D.; Nikolov, Hristo N.; Milner, Jaques S.; Lownie, Stephen P.; DeMont, Edwin M.; Kalata, Wojciech; Loth, Francis; Holdsworth, David W.; Steinman, David A. (2008-04-03). "PIV-Measured Versus CFD-Predicted Flow Dynamics in Anatomically Realistic Cerebral Aneurysm Models".
352:
Otani, Tomohiro; Nakamura, Masanori; Fujinaka, Toshiyuki; Hirata, Masayuki; Kuroda, Junko; Shibano, Katsuhiko; Wada, Shigeo (2013-03-26). "Computational fluid dynamics of blood flow in coil-embolized aneurysms: effect of packing density on flow stagnation in an idealized geometry".
151:, aneurysm rupture during the procedure and aneurysm recurrence and rupture after the procedure. Additionally in some patients coiling may not be successful. In general, coiling is only performed when the risk of aneurysm rupture is higher than the risks of the procedure itself. 167:) in the aneurysm, eventually sealing it from the blood flow. This is accomplished by decreasing the amount of blood flow going into the aneurysm, increasing the residence time of the blood (thereby lowering the velocity) in the aneurysm space and reducing the 415:
Babiker, M. H.; Gonzalez, L. F.; Albuquerque, F.; Collins, D.; Elvikis, A.; Zwart, C.; Roszelle, B.; Frakes, D. H. (2013-04-01). "An In Vitro Study of Pulsatile Fluid Dynamics in Intracranial Aneurysm Models Treated with Embolic Coils and Flow Diverters".
699:
Li, Jian; Su, Long; Ma, Jian; Kang, Ping; Ma, Liujia; Ma, Lianting (2017). "Endovascular coiling versus microsurgical clipping for patients with ruptured very small intracranial aneurysms: Management strategies and clinical outcomes- of 162 cases".
220:
guidance. A guiding catheter is inserted through the femoral artery and advanced to a site close to the aneurysm after which angiography is performed to localize and assess the aneurysm. After this, a microcatheter is navigated into the aneurysm.
195:
While these factors are crucial to the success of the procedure, thrombosis ultimately is dependent on biological processes, with the coiling only providing the appropriate conditions for the process to occur, and hopefully closing the aneurysm.
735:
Piotin, M; Spelle, L; Mounayer, C; Salles-Rezende, MT; Giansante-Abud, D; Vanzin-Santos, R; Moret, J (May 2007). "Intracranial aneurysms: treatment with bare platinum coilsβ€”aneurysm packing, complex coils, and angiographic recurrence".
811:
Piotin M, Spelle L, Mounayer C, Loureiros C, Ghorbani A, Moret J. Intracranial aneurysms coiling with matrix. Immediate results in 152 patients and midterm anatomic follow-up from 115 patients. Stroke November 2008 (e-pub ahead of
1424:
Kakalis, N. M. P.; Mitsos, A. P.; Byrne, J. V.; Ventikos, Y. (2008-06-01). "The Haemodynamics of Endovascular Aneurysm Treatment: A Computational Modelling Approach for Estimating the Influence of Multiple Coil Deployment".
250:
popularity due to the specialized equipment required, in addition to the technique being unsuitable for many types of aneurysms. Later, in 1980, similar techniques were developed by Alksne and Smith using iron suspended in
904:; Woodward, Scott H.; Bendok, Bernard R.; Hanel, Ricardo A.; Guterman, Lee R.; Hopkins, L. Nelson (2004-10-01). "Effects of arterial geometry on aneurysm growth: three-dimensional computational fluid dynamics study". 320:
research method include flexibility of selecting variables, but one comparative study has found that simulations tend to over-emphasis results compared to PIV, and are more beneficial for trends than exact values.
241:. While the procedure itself has been and continues to be compared to surgical clipping, the development of the concept and procedure has resulted in it becoming the gold standard at many centers. 652:"The durability of endovascular coiling versus neurosurgical clipping of ruptured cerebral aneurysms: 18 year follow-up of the UK cohort of the International Subarachnoid Aneurysm Trial (ISAT)" 865:
Nagano, Ayano; Yamada, Yoshitaka; Miyake, Hiroji; Domen, Kazuhisa; Koyama, Tetsuo (April 2016). "Increased Resting Energy Expenditure after Endovascular Coiling for Subarachnoid Hemorrhage".
822:
Raja PV, Huang J, Germanwala AV, Gailloud P, Murphy KP, Tamargo RJ (2008). "Microsurgical clipping and endovascular coiling of intracranial aneurysms: A critical review of the literature".
304:
Given the complexity of modeling the vasculature, much research has been devoted towards modeling the hemodynamics of an aneurysm before and after an intervention. Techniques such as
237:
Endovascular coiling was a developed through the synthesis of a number of innovations that took place between 1970 and 1990 in the field of electronics, neurosurgery, and
332:
for fluid behavior. However, new predictive models are being developed as computational power increases, including algorithms for simulations of coil behavior in-vivo.
316:(CFD/FEA) have yielded results that have influenced the direction of research, but no model to date has been able to account for all factors present. Advantages of the 254:
in a limited set of patients. There were no deaths in 22 consecutive cases with low morbidity. This technique also did not gain traction due to advances in clipping.
1056:
Oushy, Soliman; Rinaldo, Lorenzo; Brinjikji, Waleed; Cloft, Harry; Lanzino, Giuseppe (June 2020). "Recent advances in stent-assisted coiling of cerebral aneurysms".
628:
Mitchell P, Kerr R, Mendelow AD, Molyneux A. Could late rebleeding overturn the superiority of cranial aneurysm coil embolization over clip ligation seen in ISAT?"
1042: 135: 1318:
Wong, George K. C.; Poon, W. S. (2011-10-01). "Current status of computational fluid dynamics for cerebral aneurysms: the clinician's perspective".
590:"Retreatment of ruptured cerebral aneurysms in patients randomized by coiling or clipping in the International Subarachnoid Aneurysm Trial (ISAT)" 44:
Post-embolization arteriogram showing coiled aneurysm (indicated by yellow arrows) of the posteriorcerebral artery with a residual aneurysmal sac.
1026: 1303:
Guglielmi, G; Guerrisi, G; Guidetti, B (1983). "L'elettrotrombosi intravasale nelle malformazioni vascolari sperimentalmente provocate".
1526: 139:
recurrence rates with coiling, while others have concluded that there is no clear consensus between which procedure is preferred.
1107:
Mullan, S. (1974-12-01). "Experiences with surgical thrombosis of intracranial berry aneurysms and carotid cavernous fistulas".
958:
Morales, H. G.; Kim, M.; Vivas, E. E.; Villa-Uriol, M.-C.; Larrabide, I.; Sola, T.; Guimaraens, L.; Frangi, A. F. (2011-11-01).
325: 1150:
Alksne, J. F.; Smith, R. W. (1980-06-01). "Stereotaxic occlusion of 22 consecutive anterior communicating artery aneurysms".
262:
As a means of avoiding invasive methods, early endovascular interventions involved the usage of detachable and nondetachable
213: 86: 771:
Raymond, J; Guilbert, F; Weill, A; Georganos, SA; Juravsky, L; Lambert, A; Lamoureux, J; Chagnon, M; Roy, D (June 2003).
309: 329: 1305:
Proceedings of III Congress of the Italian Society of Neuroradiology. Bari: Associazione Italiana di Neuroradiologia
305: 238: 39: 773:"Long-term angiographic recurrences after selective endovascular treatment of aneurysms with detachable coils" 588:
Campi A, Ramzi N, Molyneux AJ, Summers PE, Kerr RS, Sneade M, Yarnold JA, Rischmiller J, Byrne JV (May 2007).
1531: 1277: 313: 115: 90: 650:
Molyneux, Andrew J; Birks, Jacqueline; Clarke, Alison; Sneade, Mary; Kerr, Richard S C (2015-02-21).
217: 1193:
Serbinenko, F. A. (1974-08-01). "Balloon catheterization and occlusion of major cerebral vessels".
251: 216:
or neurosurgeon with the patient under general anaesthesia. The whole procedure is performed under
292: 1502: 1458: 1406: 1351: 1265: 1089: 1036: 937: 847: 501: 449: 386: 1019:
Endovascular coiling and its influence on intra-aneurysmal hemodynamics by image-based modeling
878: 1494: 1450: 1442: 1398: 1390: 1343: 1335: 1257: 1218: 1210: 1175: 1167: 1132: 1124: 1081: 1073: 1022: 999: 981: 929: 921: 882: 839: 794: 753: 717: 681: 611: 561: 553: 493: 441: 433: 378: 370: 168: 99: 60: 1486: 1434: 1382: 1327: 1249: 1202: 1159: 1116: 1065: 989: 971: 913: 874: 831: 784: 745: 709: 671: 663: 601: 545: 485: 425: 362: 297: 263: 1289: 17: 960:"How Do Coil Configuration and Packing Density Influence Intra-Aneurysmal Hemodynamics?" 994: 959: 835: 789: 772: 676: 651: 667: 1520: 1093: 453: 267: 1506: 1462: 1410: 1355: 1269: 851: 636:, J Mocco, L. Nelson Hopkins, "International Subarachnoid Aneurysm Trial analysis", 505: 941: 390: 280: 172: 1069: 606: 589: 917: 1490: 1331: 1206: 1163: 1120: 713: 749: 474:"Endovascular treatment of intracranial aneurysms: review of current practice" 429: 366: 179:
aneurysm type (directly on the parent artery or on a bifurcation of an artery)
164: 1446: 1394: 1339: 1261: 1253: 1214: 1171: 1128: 1077: 985: 925: 557: 549: 536:
Guglielmi, Guido (2009-03-13). "History of the genesis of detachable coils".
489: 473: 437: 374: 1438: 317: 204: 1498: 1454: 1402: 1347: 1085: 1003: 933: 886: 843: 798: 757: 721: 685: 615: 565: 497: 445: 382: 1237: 1222: 1179: 1136: 901: 94: 182:
aneurysm position (relative angle of aneurysm to approaching blood flow)
72: 976: 1386: 148: 208:
Resected middle cerebral artery aneurysm filled with multiple coils.
291: 226: 203: 103: 175:, is ultimately dependent on several factors, including: 1236:
Group, British Medical Journal Publishing (1963-03-16).
171:
of the aneurysm wall. This change in the blood flow, or
1238:"Obliteration of Intracranial Aneurysms by Pilojection" 131:
new matrix coils work better than bare platinum coils.
355:
Medical & Biological Engineering & Computing
98:
treatments for cerebral aneurysms, the other being
59: 49: 32: 163:The treatment works by promoting blood clotting ( 640:, March 2008 / Vol. 108 / No. 3 / Pages 436-436. 212:Endovascular coiling is usually performed by an 867:Journal of Stroke and Cerebrovascular Diseases 472:Currie, S; Mankad, K; Goddard, A (Jan 2011). 266:to occlude the aneurysm while preserving the 8: 418:IEEE Transactions on Biomedical Engineering 1041:: CS1 maint: location missing publisher ( 879:10.1016/j.jstrokecerebrovasdis.2015.12.008 38: 993: 975: 788: 675: 605: 136:International Subarachnoid Aneurysm Trial 467: 465: 463: 341: 1285: 1275: 1034: 147:Risks of endovascular coiling include 114:Endovascular coiling is used to treat 29: 1367: 1365: 953: 951: 245:Filling the intravascular compartment 7: 1427:IEEE Transactions on Medical Imaging 1375:Journal of Biomechanical Engineering 531: 529: 527: 525: 523: 521: 519: 517: 515: 410: 408: 406: 404: 402: 400: 347: 345: 68: 964:American Journal of Neuroradiology 836:10.1227/01.neu.0000333291.67362.0b 790:10.1161/01.STR.0000073841.88563.E9 25: 578:J Neurointerv Surg. 2011 Apr 27. 1479:Journal of Clinical Neuroscience 1320:Journal of Clinical Neuroscience 1058:Expert Review of Medical Devices 1021:. Barcelona, Spain. p. 19. 188:angle of parent vessel curvature 102:. Clipping is an alternative to 214:interventional neuroradiologist 27:Medical treatment for aneurysm 1: 1070:10.1080/17434440.2020.1778463 668:10.1016/s0140-6736(14)60975-2 324:Medical images, particularly 65:Interventional neuroradiology 607:10.1161/STROKEAHA.106.466987 478:Postgraduate Medical Journal 310:computational fluid dynamics 300:derived from a CT angiogram. 918:10.3171/jns.2004.101.4.0676 296:A 3D reconstruction of the 1548: 1491:10.1016/j.jocn.2015.05.067 1332:10.1016/j.jocn.2011.02.014 1207:10.3171/jns.1974.41.2.0125 1164:10.3171/jns.1980.52.6.0790 1121:10.3171/jns.1974.41.6.0657 714:10.1016/j.wneu.2015.11.079 632:108: 437-442, March 2008. 306:particle image velocimetry 1477:intracranial aneurysms". 750:10.1148/radiol.2431060006 430:10.1109/TBME.2012.2228002 367:10.1007/s11517-013-1062-5 69: 54:Endovascular embolization 37: 18:Guglielmi detachable coil 1527:Interventional radiology 1254:10.1136/bmj.1.5332.700-a 1017:Morales, Hernan (2012). 550:10.3171/2009.2.JNS081039 490:10.1136/pgmj.2010.105387 239:interventional radiology 1439:10.1109/TMI.2008.915549 1195:Journal of Neurosurgery 1152:Journal of Neurosurgery 1109:Journal of Neurosurgery 906:Journal of Neurosurgery 638:Journal of Neurosurgery 630:Journal of Neurosurgery 538:Journal of Neurosurgery 314:finite element analysis 258:Endovascular approaches 1381:(2): 021015–021015–9. 301: 274:Detachable coil system 209: 91:intracranial aneurysms 295: 279:the electrode due to 207: 191:size of aneurysm neck 218:fluoroscopic imaging 185:coil packing density 83:Endovascular coiling 33:Endovascular coiling 252:methyl methacrylate 1288:has generic name ( 977:10.3174/ajnr.A2635 702:World Neurosurgery 302: 210: 116:cerebral aneurysms 1387:10.1115/1.2900724 1326:(10): 1285–1288. 1028:978-84-615-9824-3 970:(10): 1935–1941. 662:(9969): 691–697. 264:balloon catheters 169:wall shear stress 100:surgical clipping 80: 79: 16:(Redirected from 1539: 1511: 1510: 1473: 1467: 1466: 1421: 1415: 1414: 1369: 1360: 1359: 1315: 1309: 1308: 1300: 1294: 1293: 1287: 1283: 1281: 1273: 1233: 1227: 1226: 1190: 1184: 1183: 1147: 1141: 1140: 1104: 1098: 1097: 1053: 1047: 1046: 1040: 1032: 1014: 1008: 1007: 997: 979: 955: 946: 945: 897: 891: 890: 862: 856: 855: 830:(6): 1187–1202. 819: 813: 809: 803: 802: 792: 783:(6): 1398–1403. 768: 762: 761: 732: 726: 725: 696: 690: 689: 679: 647: 641: 626: 620: 619: 609: 585: 579: 576: 570: 569: 533: 510: 509: 469: 458: 457: 424:(4): 1150–1159. 412: 395: 394: 349: 298:Circle of Willis 73:edit on Wikidata 42: 30: 21: 1547: 1546: 1542: 1541: 1540: 1538: 1537: 1536: 1517: 1516: 1515: 1514: 1475: 1474: 1470: 1423: 1422: 1418: 1371: 1370: 1363: 1317: 1316: 1312: 1302: 1301: 1297: 1284: 1274: 1235: 1234: 1230: 1192: 1191: 1187: 1149: 1148: 1144: 1106: 1105: 1101: 1055: 1054: 1050: 1033: 1029: 1016: 1015: 1011: 957: 956: 949: 899: 898: 894: 864: 863: 859: 821: 820: 816: 810: 806: 770: 769: 765: 734: 733: 729: 698: 697: 693: 649: 648: 644: 627: 623: 587: 586: 582: 577: 573: 535: 534: 513: 484:(1023): 41–50. 471: 470: 461: 414: 413: 398: 351: 350: 343: 338: 290: 276: 260: 247: 235: 202: 161: 145: 124: 112: 76: 45: 28: 23: 22: 15: 12: 11: 5: 1545: 1543: 1535: 1534: 1529: 1519: 1518: 1513: 1512: 1468: 1433:(6): 814–824. 1416: 1361: 1310: 1295: 1228: 1201:(2): 125–145. 1185: 1158:(6): 790–793. 1142: 1115:(6): 657–670. 1099: 1064:(6): 519–532. 1048: 1027: 1009: 947: 912:(4): 676–681. 900:Hoi, Yiemeng; 892: 873:(4): 813–818. 857: 814: 804: 763: 727: 691: 642: 621: 600:(5): 1538–44. 580: 571: 511: 459: 396: 361:(8): 901–910. 340: 339: 337: 334: 326:CT angiography 289: 286: 275: 272: 259: 256: 246: 243: 234: 231: 201: 198: 193: 192: 189: 186: 183: 180: 160: 157: 144: 141: 123: 120: 111: 108: 106:for bleeding. 89:treatment for 78: 77: 70: 67: 66: 63: 57: 56: 51: 47: 46: 43: 35: 34: 26: 24: 14: 13: 10: 9: 6: 4: 3: 2: 1544: 1533: 1530: 1528: 1525: 1524: 1522: 1508: 1504: 1500: 1496: 1492: 1488: 1484: 1480: 1472: 1469: 1464: 1460: 1456: 1452: 1448: 1444: 1440: 1436: 1432: 1428: 1420: 1417: 1412: 1408: 1404: 1400: 1396: 1392: 1388: 1384: 1380: 1376: 1368: 1366: 1362: 1357: 1353: 1349: 1345: 1341: 1337: 1333: 1329: 1325: 1321: 1314: 1311: 1306: 1299: 1296: 1291: 1279: 1271: 1267: 1263: 1259: 1255: 1251: 1248:(5332): 700. 1247: 1243: 1239: 1232: 1229: 1224: 1220: 1216: 1212: 1208: 1204: 1200: 1196: 1189: 1186: 1181: 1177: 1173: 1169: 1165: 1161: 1157: 1153: 1146: 1143: 1138: 1134: 1130: 1126: 1122: 1118: 1114: 1110: 1103: 1100: 1095: 1091: 1087: 1083: 1079: 1075: 1071: 1067: 1063: 1059: 1052: 1049: 1044: 1038: 1030: 1024: 1020: 1013: 1010: 1005: 1001: 996: 991: 987: 983: 978: 973: 969: 965: 961: 954: 952: 948: 943: 939: 935: 931: 927: 923: 919: 915: 911: 907: 903: 896: 893: 888: 884: 880: 876: 872: 868: 861: 858: 853: 849: 845: 841: 837: 833: 829: 825: 818: 815: 808: 805: 800: 796: 791: 786: 782: 778: 774: 767: 764: 759: 755: 751: 747: 743: 739: 731: 728: 723: 719: 715: 711: 707: 703: 695: 692: 687: 683: 678: 673: 669: 665: 661: 657: 653: 646: 643: 639: 635: 631: 625: 622: 617: 613: 608: 603: 599: 595: 591: 584: 581: 575: 572: 567: 563: 559: 555: 551: 547: 543: 539: 532: 530: 528: 526: 524: 522: 520: 518: 516: 512: 507: 503: 499: 495: 491: 487: 483: 479: 475: 468: 466: 464: 460: 455: 451: 447: 443: 439: 435: 431: 427: 423: 419: 411: 409: 407: 405: 403: 401: 397: 392: 388: 384: 380: 376: 372: 368: 364: 360: 356: 348: 346: 342: 335: 333: 331: 330:navier-stokes 327: 322: 319: 315: 311: 307: 299: 294: 287: 285: 282: 273: 271: 269: 268:parent artery 265: 257: 255: 253: 244: 242: 240: 232: 230: 229:may be used. 228: 222: 219: 215: 206: 199: 197: 190: 187: 184: 181: 178: 177: 176: 174: 170: 166: 158: 156: 152: 150: 142: 140: 137: 132: 128: 121: 119: 117: 109: 107: 105: 101: 96: 92: 88: 84: 74: 64: 62: 58: 55: 52: 48: 41: 36: 31: 19: 1532:Neurosurgery 1482: 1478: 1471: 1430: 1426: 1419: 1378: 1374: 1323: 1319: 1313: 1304: 1298: 1278:cite journal 1245: 1241: 1231: 1198: 1194: 1188: 1155: 1151: 1145: 1112: 1108: 1102: 1061: 1057: 1051: 1018: 1012: 967: 963: 909: 905: 895: 870: 866: 860: 827: 824:Neurosurgery 823: 817: 807: 780: 776: 766: 744:(2): 500–8. 741: 737: 730: 705: 701: 694: 659: 655: 645: 637: 633: 629: 624: 597: 593: 583: 574: 541: 537: 481: 477: 421: 417: 358: 354: 323: 303: 281:electrolysis 277: 261: 248: 236: 223: 211: 194: 173:hemodynamics 162: 153: 146: 133: 129: 125: 113: 110:Medical uses 87:endovascular 82: 81: 53: 1286:|last= 708:: 763–769. 50:Other names 1521:Categories 1307:: 139–146. 656:The Lancet 544:(1): 1–8. 336:References 308:(PIV) and 165:thrombosis 1485:: 50–56. 1447:0278-0062 1395:0148-0731 1340:1532-2653 1262:0007-1447 1215:0022-3085 1172:0022-3085 1129:0022-3085 1094:219328499 1078:1745-2422 1037:cite book 986:0195-6108 926:0022-3085 902:Meng, Hui 738:Radiology 558:0022-3085 454:206612828 438:0018-9294 375:0140-0118 318:in-silico 200:Procedure 159:Mechanism 61:Specialty 1507:24464063 1499:26775148 1463:27015964 1455:18541488 1411:31375424 1403:18412502 1356:22669620 1348:21795051 1270:30623125 1242:Br Med J 1086:32500761 1004:21885712 934:15481725 887:26796057 852:21058347 844:18824986 799:12775880 758:17293572 722:26732968 686:25465111 616:17395870 566:19284239 506:30220296 498:20937736 446:23192467 383:23529587 288:Research 104:stenting 95:bleeding 1223:4841872 1180:6991648 1137:4609023 995:7965998 942:6565151 677:4356153 634:But see 391:7811834 233:History 122:Results 1505:  1497:  1461:  1453:  1445:  1409:  1401:  1393:  1354:  1346:  1338:  1268:  1260:  1221:  1213:  1178:  1170:  1135:  1127:  1092:  1084:  1076:  1025:  1002:  992:  984:  940:  932:  924:  885:  850:  842:  812:print) 797:  777:Stroke 756:  720:  684:  674:  614:  594:Stroke 564:  556:  504:  496:  452:  444:  436:  389:  381:  373:  149:stroke 85:is an 1503:S2CID 1459:S2CID 1407:S2CID 1352:S2CID 1266:S2CID 1090:S2CID 938:S2CID 848:S2CID 502:S2CID 450:S2CID 387:S2CID 227:stent 143:Risks 71:[ 1495:PMID 1451:PMID 1443:ISSN 1399:PMID 1391:ISSN 1344:PMID 1336:ISSN 1290:help 1258:ISSN 1219:PMID 1211:ISSN 1176:PMID 1168:ISSN 1133:PMID 1125:ISSN 1082:PMID 1074:ISSN 1043:link 1023:ISBN 1000:PMID 982:ISSN 930:PMID 922:ISSN 883:PMID 840:PMID 795:PMID 754:PMID 718:PMID 682:PMID 612:PMID 562:PMID 554:ISSN 494:PMID 442:PMID 434:ISSN 379:PMID 371:ISSN 134:The 93:and 1487:doi 1435:doi 1383:doi 1379:130 1328:doi 1250:doi 1203:doi 1160:doi 1117:doi 1066:doi 990:PMC 972:doi 914:doi 910:101 875:doi 832:doi 785:doi 746:doi 742:243 710:doi 672:PMC 664:doi 660:385 602:doi 546:doi 542:111 486:doi 426:doi 363:doi 1523:: 1501:. 1493:. 1483:26 1481:. 1457:. 1449:. 1441:. 1431:27 1429:. 1405:. 1397:. 1389:. 1377:. 1364:^ 1350:. 1342:. 1334:. 1324:18 1322:. 1282:: 1280:}} 1276:{{ 1264:. 1256:. 1244:. 1240:. 1217:. 1209:. 1199:41 1197:. 1174:. 1166:. 1156:52 1154:. 1131:. 1123:. 1113:41 1111:. 1088:. 1080:. 1072:. 1062:17 1060:. 1039:}} 1035:{{ 998:. 988:. 980:. 968:32 966:. 962:. 950:^ 936:. 928:. 920:. 908:. 881:. 871:25 869:. 846:. 838:. 828:62 826:. 793:. 781:34 779:. 775:. 752:. 740:. 716:. 706:99 704:. 680:. 670:. 658:. 654:. 610:. 598:38 596:. 592:. 560:. 552:. 540:. 514:^ 500:. 492:. 482:87 480:. 476:. 462:^ 448:. 440:. 432:. 422:60 420:. 399:^ 385:. 377:. 369:. 359:51 357:. 344:^ 1509:. 1489:: 1465:. 1437:: 1413:. 1385:: 1358:. 1330:: 1292:) 1272:. 1252:: 1246:1 1225:. 1205:: 1182:. 1162:: 1139:. 1119:: 1096:. 1068:: 1045:) 1031:. 1006:. 974:: 944:. 916:: 889:. 877:: 854:. 834:: 801:. 787:: 760:. 748:: 724:. 712:: 688:. 666:: 618:. 604:: 568:. 548:: 508:. 488:: 456:. 428:: 393:. 365:: 312:/ 75:] 20:)

Index

Guglielmi detachable coil

Specialty
edit on Wikidata
endovascular
intracranial aneurysms
bleeding
surgical clipping
stenting
cerebral aneurysms
International Subarachnoid Aneurysm Trial
stroke
thrombosis
wall shear stress
hemodynamics

interventional neuroradiologist
fluoroscopic imaging
stent
interventional radiology
methyl methacrylate
balloon catheters
parent artery
electrolysis

Circle of Willis
particle image velocimetry
computational fluid dynamics
finite element analysis
in-silico

Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.

↑