期刊
ANZ JOURNAL OF SURGERY
卷 91, 期 12, 页码 2683-2689出版社
WILEY
DOI: 10.1111/ans.17203
关键词
complications; gastrectomy; muscle mass; oesophagectomy; pneumonia
类别
Low skeletal muscle index (SMI) is associated with an increased risk of post-operative pneumonia and longer length of stay (LOS) for patients with complications, but not with 5-year overall or disease-free survival after oesophago-gastric cancer surgery. Assessment of muscle mass may require additional measures to enhance preoperative risk assessment.
Background: Low muscularity is associated with adverse surgical outcomes. We aimed to determine whether low muscularity is associated with an increased risk of post-operative complications and reduced long-term survival after oesophago-gastric cancer surgery. Methods: Patients who underwent radical oesophago-gastric cancer surgery with preoperative abdominal computed tomography (CT) imaging were included. Low skeletal muscle index (SMI), measured by CT, was determined using pre-defined cut-points. Oncological, surgical, complications and outcome data were obtained from a prospective database. Results: Of 108 patients, 61% (n = 66) had low SMI preoperatively. Patients with low SMI had a higher rate of post-operative pneumonia (30 vs. 7% normal muscularity, P = 0.004). Median length of stay (LOS) was higher in patients with low SMI if they had any complication (19.5 vs. 14 days, P = 0.026) or pneumonia (21 vs. 13 days, P = 0.018). On multivariate analysis, low SMI (OR 3.85, CI 1.10-13.4, P = 0.025), preoperative weight loss (OR 1.13, CI 1.01-1.25, P = 0.027), and smoking (OR 5.08, CI 1.24-20.9, P = 0.024) were independent predictors of having a severe complication. There was no difference in 5-year overall (62% vs. 69%, P = 0.241) and disease-free (11% vs. 21.4%, P = 0.110) survival between low SMI and normal muscle mass groups. Conclusion: Low SMI is associated with a significantly increased risk of pneumonia and increased LOS for patients with complications. Assessment of muscle mass may require additional muscle quality, strength, and physical performance measures to enhance preoperative risk assessment.
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