Conservative management of symptomatic spontaneous isolated dissection of the superior mesenteric artery

Authors: Cho, Y. P.; Ko, G. Y.; Kim, H. K.; Moon, K. M.; Kwon, T. W.

Source: British Journal of Surgery, Volume 96, Number 7, July 2009 , pp. 720-723(4)

Publisher: John Wiley & Sons, Ltd.

Abstract:

Background:

Spontaneous isolated dissection of the superior mesenteric artery (SMA) is uncommon. Because of its rarity, the risk factors, aetiology and natural history are unclear, and there is no consensus on the optimal treatment strategy.

Methods:

Seven consecutive patients with symptomatic spontaneous isolated SMA dissection who received conservative treatment between March 2003 and February 2008 were included in this study. Their clinical characteristics, treatment methods and outcomes were analysed retrospectively.

Results:

Acute abdominal pain was the most common clinical manifestation. Initial contrast-enhanced dynamic computed tomography (CT) showed isolated SMA dissection with partial thrombosis in all seven patients. Full anticoagulation was carried out immediately after the diagnosis. Clinical symptoms disappeared within 14 days and follow-up CT showed complete resolution of the dissection in four patients. After a mean follow-up of 23 months, there was no mortality or morbidity related to the dissection.

Conclusion:

In patients with symptomatic spontaneous isolated dissection of the SMA, conservative management is feasible if there is no evidence of bowel infarction or bleeding. Copyright © 2009 British Journal of Surgery Society Ltd. Published by John Wiley & Sons, Ltd.

Document Type: Research article

DOI: http://dx.doi.org/10.1002/bjs.6631

Publication date: 2009-07-01

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