Background: To report revascularization of a superior mesenteric artery (SMA) ostial occlusion via the Arc of Buhler.
Case Report: A 62-year-old female presented with 2 months of recurrent abdominal distension and postprandial pain. Computed tomography angiography (CTA) revealed ostial occlusion of the SMA with distal perfusion via the Arc of Buhler (connecting the celiac trunk and SMA). Conventional endovascular techniques failed. A 0.014 guidewire was passed retrograde through the occlusion via the Arc of Buhler. The guidewire was captured from the femoral sheath and balloon angioplasty with stent placement was performed. The patient had complete symptom resolution post-procedure.
Conclusions: Retrograde revascularization via the Arc of Buhler is an effective method for treating the initial segment occlusion of the SMA.
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http://dx.doi.org/10.1177/17085381241289485 | DOI Listing |
BMJ Case Rep
January 2025
Upper Gastrointestinal Surgery Unit, Royal North Shore Hospital, St Leonards, New South Wales, Australia.
The Arc of Bühler (AoB) is a rare anatomical variant in gastrointestinal vasculature where there is an aberrant anastomotic vessel between coeliac and superior mesenteric arteries. We present a rare case where AoB was noted intraoperatively to have haemodynamically significant flow in the context of coeliac artery stenosis, supplementing arterial supply to the hepatic artery proper via the gastroduodenal artery (GDA). An interpositional jump graft between the aorta and the GDA stump was created using the long saphenous vein, and flow was restored.
View Article and Find Full Text PDFVascular
September 2024
Department of Vascular Surgery, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, China.
CVIR Endovasc
January 2024
Interventional Radiology Unit, Fondazione IRCCS Policlinico San Matteo, V.Le Golgi 19, Pavia, 27100, Italy.
Background: The arc of Bühler (AOB) is a residual embryonal anastomosis between the celiac artery (CA) and the superior mesenteric artery (SMA). Although usually asymptomatic, it has clinical relevance when compensatory reverse flow between the SMA and the CA in response to celiac artery obstruction leads to aneurysm formation and bleeding. Endovascular coiling is the mainstay therapy because of the deep AOB retropancreatic location, which hinders open surgery.
View Article and Find Full Text PDFCureus
July 2023
Department of Internal Medicine, Baylor Scott & White All Saints Medical Center, Fort Worth, USA.
This case report presents a rare variation of the arc of Bühler (AOB) in a cadaver during the abdominal dissection assignment in the Ross Anatomy Lab at William Carey University College of Osteopathic Medicine. The AOB is a patent anastomotic channel between the celiac trunk and the superior mesenteric artery independent of the gastroduodenal artery and dorsal pancreatic artery. This report describes in detail a complex and extensive branching pattern of a unique AOB variant.
View Article and Find Full Text PDFPancreatology
September 2023
Department of Hepatobiliary and Pancreatic Surgery, Graduate School of Medicine, Tokyo Medical and Dental University, Tokyo, Japan.
Objectives: The dorsal pancreatic artery (DPA) is a pancreatic branch with various anatomical variations. Previous studies mostly focused on the origin of the DPA, and its pathways and branching patterns have rarely been examined. The purpose of this study was to investigate the branching patterns and pathways of the DPA.
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