ArticleJournal of vascular surgery cases and innovative techniques2026
Open repair and subsequent stenting to treat median arcuate ligament syndrome secondary to Roux-en-Y gastric bypass.
Article in Journal of vascular surgery cases and innovative techniques, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Median arcuate ligament syndrome (MALS) is characterized by external compression of the celiac artery (CA) by the median arcuate ligament. There have been three reports of MALS following gastric bypass surgery, but this pathophysiology remains incompletely understood. We report a patient with MALS and a surgical history including Roux-en-Y gastric bypass. After workup, she was treated with open release of the median arcuate ligament and CA patch angioplasty, with subsequent CA artery stenting for recurrent stenosis. We will discuss potential mechanisms by which Roux-en-Y gastric bypass can lead to MALS and management strategies for it.
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