Abstract
Background: Sarcopenia is a useful tool in predicting short-term results in patients undergoing surgery for gastrointestinal cancer. However, there are few studies addressing this issue in colorectal cancer, and even less specifically focused on rectal cancer. We evaluated the prognostic relevance of preoperative skeletal mass index on postoperative morbidity in patients undergoing laparoscopic curative resection for rectal cancer. Methods: Skeletal mass index data and clinicopathological characteristics of rectal cancer patients in a 15-year period (June 2005-December 2020) were evaluated; patients with metastatic disease at surgery were excluded; postoperative complications within 30 days were evaluated using the Clavien-Dindo classification. Results: A total of 166 patients were included in the study. The overall prevalence of sarcopenia was 60%. BMI, Hb, or albumin were not associated with sarcopenia. Hospital stay was not correlated with sarcopenia. Postoperative complications occurred in 51 patients (31%); by the Clavien-Dindo classification 31 (61%) grade I, 10 (14.5%) grade II, and 10 (14.5%) grade III. Overall complications were not significantly different in sarcopenic and nonsarcopenic patients (P = .10). Considering only patients with complications, sarcopenia was found to be a predictor of more severe postoperative morbidity (odds ratio 12.7, P = .021). On multivariable analysis, sarcopenia was not associated with postoperative morbidity. Conclusions: Skeletal muscle status in rectal cancer patients undergoing curative resection was not associated with overall postoperative morbidity, although there was a correlation between sarcopenia and more severe complications. Further studies in a larger cohort of patients are needed before conclusions can be drawn on the relationship between muscular depletion and surgical outcomes in rectal cancer patients.
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More From: Journal of laparoendoscopic & advanced surgical techniques. Part A
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