Endoscopic visualization of embolization coil in a duodenal ulcer - 23/08/11
Doi : 10.1016/j.gie.2007.08.022
| Commentary Rosch and colleagues first reported therapeutic embolization for GI hemorrhage in 1972. Materials used for such embolization have included autologous clot, Gelfoam, ethanolamine, glue, and polyvinyl alcohol, among others. In 1975, Gianturco described coil embolization. Subsequent advances in microcatheter technology and digital imaging now allow superselective embolization with microcoils. The duodenum has a dual blood supply, with branches from the celiac and superior mesenteric arteries. Thus, after embolization of one of these vessels, bleeding may continue from the other vessel. Occasionally, branches of both the celiac and superior mesenteric arteries may have to be embolized to control duodenal bleeding, although this does increase the risk of duodenal infarction. In this case, it is likely the coil will be extruded from the base of the ulcer, but deeper in the wall of the bowel, coils are well tolerated for long periods of time. Lawrence J. Brandt, MD Associate Editor for Focal Points |
© 2008
American Society for Gastrointestinal Endoscopy. Pubblicato da Elsevier Masson SAS. Tutti i diritti riservati.
Vol 67 - N° 2
P. 351-352 - febbraio 2008 Ritorno al numero
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