Introduction: Postoperative sepsis represents a significant problem in colorectal surgery patients.
Aim: To identify the etiology as well as the risk factors associated with the development of postoperative sepsis, based on prospective data of patients undergoing colorectal surgery at a single large-volume institution.
Material and methods: Between November 2019 and February 2021, 141 patients underwent an elective operation for colorectal cancer at a tertiary hospital center. The following variables were recorded for each patient: age, gender, American Society of Anesthesiologists Classification (ASA class), duration of surgery, surgical approach, comorbidities (diabetes, cardiovascular disease, respiratory disease). Univariate analysis was performed using χ2 tests for categorical variables.
Results: A total of 69 males and 72 females were enrolled. Postoperative sepsis was diagnosed in 18 (12.77%) cases, with anastomotic leakage being the most frequent cause (3.55%). There was no statistically significant difference in the presence of sepsis among patients when gender, surgical approach, duration of surgery, and respiratory disease were taken into account. Sixty-nine patients were > 65 years old, with sepsis being statistically significant in this group (p = 0.034). Furthermore, patients with ASA class ≤ 2 developed postoperative sepsis less frequently than patients with advanced ASA scores (p = 0.008). Diabetes and cardiovascular disease also reach statistical significance; sepsis was more frequent in this group of patients (p = 0.013 and p = 0.009, respectively).
Conclusions: Following colorectal cancer procedures, postoperative sepsis was significantly more common among patients over 65 years old, ASA score > 2, and also with associated comorbidities such as diabetes and cardiovascular disease.
Keywords: colorectal surgery; postoperative complication; sepsis.
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