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  • Title: Median arcuate ligament syndrome presenting as hemorrhagic shock.
    Author: Matsumura Y, Nakada TA, Kobe Y, Hattori N, Oda S.
    Journal: Am J Emerg Med; 2013 Jul; 31(7):1152.e1-4. PubMed ID: 23688569.
    Abstract:
    The major symptoms of median arcuate ligament syndrome, celiac axis stenosis, or occlusion compressed by the median arcuate ligament include eating-associated abdominal pain and weight loss. Because celiac stenosis increases retrograde collateral blood flow from the superior mesenteric artery to the celiac artery via the pancreaticoduodenal arcade, a pancreaticoduodenal artery aneurysm could occur at a low incidence rate. Rupture of the pancreaticoduodenal artery aneurysm and hemorrhagic shock are rare. In this report, we present 3 cases of patients who had been well with no abdominal symptoms until the day of admission, when they experienced sudden-onset intra-abdominal hemorrhage and shock. These 3 patients were admitted to the emergency department, and contrast-enhanced computed tomography and radiographic selective catheter angiography revealed intra-abdominal hemorrhage, stenosis of the celiac arteries, and dilated pancreaticoduodenal arcade. Case 1 demonstrated severe hemorrhagic shock, whereas case 2 demonstrated moderate shock. We treated ruptured pancreaticoduodenal artery aneurysms with coil embolization. Case 3 demonstrated complete celiac occlusion and moderate hemorrhagic shock, and no aneurysm was detected.
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