ArticleJournal of vascular surgery cases and innovative techniques2026
Hypoplasia of the inferior vena cava with compensatory azygos-hemiazygos dilatation complicated by superior mesenteric vein thrombosis and small bowel ischemia.
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
Congenital anomalies of the inferior vena cava (IVC) are rare and often clinically silent but may predispose to venous thrombosis through altered hemodynamics. We report a woman in her late sixties who presented with acute severe abdominal pain and shock physiology. Contrast-enhanced computed tomography showed hypoplasia of the infrahepatic IVC with marked azygos-hemiazygos continuation, complicated by extensive superior mesenteric vein thrombosis and ischemic ileal bowel. Despite aggressive resuscitation and emergent surgical planning, the patient rapidly deteriorated and died. This case highlights IVC hypoplasia as a potential predisposing factor for catastrophic mesenteric venous thrombosis.
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