• La Tunisie médicale · Jul 2012

    [Acute mesenteric ischemia: study of predictive factors of mortality].

    • Fatma Aouini, Ahmed Bouhaffa, Jaouhar Baazaoui, Slim Khelifi, Anis Ben Maamer, Noomen Houas, and Abderraouf Cherif.
    • Service de Chirurgie, Hopital Habib Thameur. Tunis, Tunisie
    • Tunis Med. 2012 Jul 1;90(7):533-6.

    BackgroundAcute mesenteric ischemia is a surgical emergency that requires a quick diagnosis and therapeutic care. Without treatment, the outcome is towards intestinal infarction whose prognosis remains grim.AimTo look for predictive factors of mortality of this disease.MethodsWe retrospectively reviewed the clinical data of patients hospitalized between January 2000 and December 2008 for acute mesenteric ischemia. Univariate and multivariate analysis of factors that could influence mortality was conducted.Results26 patients, predominantly male, were included. The mean age was 60 years. These patients were cared for on average 4 days after the onset of symptoms. The diagnosis was made pre-operatively in 9 patients, by CT scan in 8 patients and by Doppler ultrasound in 1 patient. The cause of AMI was arterial thrombosis in 19 cases, venous thrombosis in 4 cases and non occlusive mesenteric ischemia in 3 cases. 25 patients were operated on emergency 24 times by a laparotomy and one time by a laparoscopy. The surgery consisted in bowel resection in 15 patients; an abstention was decided in one case of venous mesenteric ischemia and in 9 cases where necrosis affected all small bowels. Revascularization of the superior mesenteric artery was associated in 4 cases. Outcome was simple in 8 patients. The mortality rate was 69%, death occurred in a period of J0 to J90 after surgery. This rate wasn't influenced by age or sex. It was higher in patients with preoperative collapse (p = 0.02) and having an expansive bowel necrosis (p=.0001). The prognosis is better in cases of venous infarction with a mortality rate of zero.ConclusionPrognosis of acute mesenteric ischemia depends on the aetiology and the quickness of treatment. It is directly linked to the extension of intestinal infarction. An urgent and multidisciplinary care is necessary.

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