Introduction:

Colorectal and anal cancer is a disease of high incidence and mortality, and intestinal occlusion is its most frequent complication.

Objective: To identify the predictors of mortality in mechanical intestinal occlusion due to colorectal and anal cancer.

Methods:

An analytical observational study was carried out that included all patients with mechanical intestinal occlusion due to colorectal and anal cancer consecutively admitted to the "Camilo Cienfuegos" Hospital in Sancti Spíritus, Cuba, from January 1, 2016 to January 31, December 2018. A total of 126 patients with this diagnosis were registered. Demographic variables and associated risk factors were included. Glycemia, creatinine and arterial blood gas were determined. Surgical time, time from admission to surgery, hospital stay, and American Society of Anesthesia classification were also evaluated. For statistical analysis, a binary logistic regression and a classification tree were performed.

Results:

The mortality of the series studied was 27%. Age greater than or equal to 75 years, the American Society of Anesthesia classification greater than or equal to III, reoperations and complications increased the risk of dying using descriptive and inferential statistics.

Conclusions:

The results obtained suggest evaluating complications, advanced age, anesthetic risk and reoperations as predictors of mortality in these patients. The probability of death is low in uncomplicated patients under the age of 75 years.

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