4.5 Article

The efficacy of the American College of Surgeons Surgical Risk Calculator in the prediction of postoperative complications in oncogeriatric patients after curative surgery for abdominal tumors

Journal

JOURNAL OF SURGICAL ONCOLOGY
Volume 126, Issue 7, Pages 1359-1366

Publisher

WILEY
DOI: 10.1002/jso.27046

Keywords

abdominal neoplasms; American College of Surgeons Surgical Risk Calculator; gastrointestinal surgery; geriatrics; oncology

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This study evaluated the predictive performance of the ACS-SRC in patients undergoing surgery for abdominal malignancies. The results showed that the ACS-SRC had good predictive power for serious complications and pneumonia, but poor predictive power for sepsis, urinary tract infection, and surgical site infection.
Background The American College of Surgeons (ACS) has developed a Surgical Risk Calculator (SRC) to predict postoperative surgical complications. No studies have reported the performance of the ACS-SRC in oncogeriatric patients. Our objective was to evaluate the predictive performance of the ACS-SRC in these patients, treated with curative surgery for an abdominal malignancy. Methods This is a retrospective study including 136 patients who underwent elective abdominal oncological surgery, between 2017 and 2019, at our institution. Postoperative complications were classified according to the ACS-SRC, and its predictive performance was analyzed by assessing discrimination and calibration and using receiver operating characteristics and area under the curve (AUC). Results Discrimination was adequate with AUC of 0.7113 (95% confidence interval [CI]: 1.062-1.202, p = 0.0001; Brier 0.198) for serious complications and 0.7230 (95% CI: 1.101-1.756, p = 0.0057; Brier 0.099) for pneumonia; and poor for sepsis, surgical site infection (SSI), and urinary tract infection (UTI) with AUCs of 0.6636 (95% CI: 1.016-1.353, p = 0.0299; Brier 0.142), 0.6167 (95% CI: 1.003-1.266, p = 0.0450; Brier 0.175), and 0.6598 (95% CI: 1.069-2.145, p = 0.0195; Brier 0.082), respectively. Conclusion The ACS-SRC is an adequate predictor for serious complications and pneumonia in oncogeriatric patients treated surgically for abdominal cancer. However, the predictive power of the calculator appears to be low for sepsis, UTI, and SSI.

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