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  • Title: Transaortic endarterectomy for primary mesenteric revascularization.
    Author: Lau H, Chew DK, Whittemore AD, Belkin M, Conte MS, Donaldson MC.
    Journal: Vasc Endovascular Surg; 2002; 36(5):335-41. PubMed ID: 12244421.
    Abstract:
    The optimal approach to revascularization for chronic mesenteric ischemia has not been firmly established during the past three decades. The present study was undertaken to evaluate the safety and results of primary mesenteric revascularization for chronic mesenteric ischemia by transaortic endarterectomy. A descriptive retrospective analysis of 14 patients who underwent trap-door transaortic endarterectomy for primary mesenteric revascularization was performed. Clinical presentations of the patients included abdominal pain (n=13) and weight loss (n=7). All patients underwent preoperative aortography and subsequent elective reconstruction. Demographic features, perioperative, and long-term outcomes were analyzed. The study population consisted of 12 females and two males with a mean age of 67 years. The mean operative duration was 3 hours with an ischemic time of 33 minutes. The initial success rate of mesenteric revascularization was 93%. One early graft failure was salvaged with urgent embolectomy without bowel resection. There was no hospital mortality, but the overall postoperative morbidity rate was 50% (n=7). Thirteen patients (93%) were discharged within 2 weeks. Late recurrent ischemia and intestinal infarction developed in one patient, requiring emergency bowel resection. Sustained relief of symptoms was achieved in 13 of 14 patients (93%). The overall survival rates were 85% +/-10.0% and 77% +/-11.7% at 1 and 3 years, respectively. Transaortic endarterectomy is a safe and effective technique for elective primary mesenteric revascularization for patients with chronic mesenteric ischemia. This approach allows simultaneous revascularization of multiple visceral arteries and achieves durable relief of symptoms.
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