Background:

Procalcitonin is a biomarker of sepsis, whose concentrations increase when some endotoxin enters the bloodstream. It is used, among other things, to discriminate the etiology of infections, increase or decrease the antibiotic spectrum, and predict mortality.

Objective:

To determine the utility of the serum level of procalcitonin as a predictor of severity and mortality.

Method:

Retrospective, descriptive, cross-sectional study of patients diagnosed with abdominal sepsis during the period from April 2016 to February 2017. In all cases the severity was determined by APACHE II, SOFA, Mannheim and CONUT, and mortality. The sample was divided into those with procalcitonin > 10.1 and < 10.

Results:

We included 99 cases (41 female and 58 male). The main organ causing abdominal sepsis was the appendix 56%. The mean of procalcitonin for the sample was 7.94 (standard deviation: ± 13.76). The findings, subjected to statistical verification by means of the Mann-Whitney U test, showed statistical significance among the cases with procalcitonin 10.1, with the Mannheim scores > 26 points (p = 0.003), CONUT > 6 points (p = 0.027) and presence of organic faults (p = 0.001), but not with APACHE, SOFA and mortality.

Conclusions:

Procalcitonin is related to the severity determined by the Mannheim index, CONUT and the development of organic faults.

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