Clinical Study of Spontaneous Isolated Superior Mesenteric Artery Dissection

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  • 孤立性上腸間膜動脈解離7例の検討

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Abstract

Objectives: Previous reports on spontaneous isolated superior mesenteric artery (SMA) dissection have failed to achieved consensus about optimal therapy.<br>Methods: Seven patients (1 woman) with a mean age of 55 (39-82) years were reviewed, received conservative therapy for isolated SMA dissection between October 2006 and November 2008.<br>Results: All patients had severe abdominal pain, but since none of them had signs of peritoneal irritation, we selected conservative therapy. Five patients were hospitalized and treated conservatively by hypotensive therapy, anticoagulation, and administration of prostaglandin E1. No patient had progression of the lesion during follow-up. Four patients underwent repeat CT, which showed a decrease or disappearance of the false lumen, and there was no aneurysmal change.<br>Conclusion: Conservative treatment was successful in all 7 patients with isolated SMA dissection. Based on our experience, patients without acute intestinal ischemia and aneurysmal changes can be treated conservatively.

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