Gastric band removal: mind the arterial anastomoses!

Bariatric surgery may sometimes be challenging and may lead to severe complications. Surgical re-intervention in such cases is not the preferred option due to co-morbidities. When severe bleeding occurs, embolization of the lacerated vessels is the preferred minimal invasive management option and needs to be available if possible. We would like to report a case of young patient who underwent severe bleeding after migration of a gastric band. The patient was successfully embolized and the band was removed. However, on the second post-operative day, the patient complained again for acute abdominal pain and turned haemodynamically unstable. Fresh blood was aspirated from the surgical drain. A new emergency CT scan was performed and a new large pseudoaneurysm was revealed taking origin from the left gastric artery. The second bleeding occurred due to an anastomotic communication and was also successfully embolized. The main take home messages are that bariatric surgery may lead to several complications including bleeding, gastric band may cause vessel erosion but also offer a tamponade effect, endovascular embolization of the lacerated vessels is the preferred management and pseudoaneurysms arising in hepato-splenic or gastroduodenal arteries should be treated with the sandwich embolization technique.
(© 2024. Japanese Society of Gastroenterology.)