Conservative versus stent treatment for spontaneous isolated superior mesenteric artery dissection after the failure of initial 3 days' conservative treatment: A 10-year follow-up study.

Although undergoing the failure of initial 3 days' conservative treatment, continue conservative treatment still is safe and effective for SISMAD patients. Stent placement could be chosen as an alternative treatment, especially for patients potentially with bowel ischemia or arterial rupture.