• The American surgeon · Jan 2015

    Anastomotic leakage after anterior resection for rectal cancer with mesorectal excision: incidence, risk factors, and management.

    • Antonio Pio Tortorelli, Sergio Alfieri, Alejandro Martin Sanchez, Fausto Rosa, Valerio Papa, Dario Di Miceli, Chiara Bellantone, and Giovanni Battista Doglietto.
    • Digestive Surgery Division, Department of Surgical Sciences, Catholic University, School of Medicine, Rome, Italy.
    • Am Surg. 2015 Jan 1;81(1):41-7.

    AbstractWe investigated risk factors and prognostic implications of symptomatic anastomotic leakage after anterior resection for rectal cancer, and the influence of a diverting stoma. Our retrospective review of prospective collected data analyzed 475 patients who underwent anterior resection for rectal cancer. Uni- and multivariate analysis was made between anastomotic leakage and patient, tumor, and treatment variables, either for the overall group (n = 475) and in the midlow rectal cancer subgroup (n = 291). Overall rate of symptomatic leakage was 9 per cent (43 of 475) with no related postoperative mortality. At univariate analysis, significant factors for leak were a tumor less than 6 cm from the anal verge (13.7 vs 6.6%; P = 0.011) and intraoperative transfusions (16.9 vs 4.3%; P = 0.001). Similar results were observed in the midlow rectal cancer subgroup. At multivariate analysis, no parameter resulted in being an independent prognostic factor for risk of leakage. In patients with a leakage, a temporary enterostomy considerably reduced the need for reoperation (12.5 vs 77.8%; P < 0.0001) and the risk of a permanent stoma (18.7 vs 28.5%; P = 0.49). The incidence of anastomotic failure increases for lower tumors, whereas it is not influenced by radiotherapy. Defunctioning enterostomy does not influence the leak rate, but it mitigates clinical consequences.

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