The association between skeletal muscle mass index (SMI) and survival after gastrectomy: A systematic review and meta-analysis of cohort studies

医学 肌萎缩 胃切除术 内科学 癌症 队列研究 体质指数 队列 子群分析 荟萃分析 超重 存活率 外科 肿瘤科
作者
Marieh Salavatizadeh,Samira Soltanieh,Nima Radkhah,Amirhossein Ataei Kachouei,Alireza Bahrami,Saman Khalesi,Ehsan Hejazi
出处
期刊:Ejso [Elsevier BV]
卷期号:49 (11): 106980-106980 被引量:5
标识
DOI:10.1016/j.ejso.2023.07.006
摘要

Objective Low skeletal muscle mass index (SMI) is frequently identified in gastric cancer patients but its association with patient survival rate is not clear. This systematic review and meta-analysis aimed to clarify the association between SMI and overall survival in gastric cancer patients after gastrectomy. Methods PubMed, Scopus, and Web of Science were searched from database inception until July 2021. Studies were eligible if they included gastric cancer patients, measured the SMI level, reported SMI before gastrectomy, defined sarcopenia according to SMI, and had a cohort or case-control design. Primary outcome was cancer survival rate. The risk of bias of individual studies was assessed using the Newcastle – Ottawa Scale. Results Overall, 22 cohort studies including 7,203 participants were included. The quality of the included studies was moderate to high. A higher overall survival rate was associated with a higher SMI (RR = 1.62, 95% CI: 1.42–1.85). Subgroup analysis suggested a stronger association in overweight or obese patients (RR = 2.39, 95% CI: 1.13–5.09; I2 = 77%; heterogeneity P < 0.01). But no significant differences in the association based on the surgery type (curative surgery vs radical surgery) or the type of gastrectomy (total gastrectomy vs sub-total gastrectomy) were observed. Conclusions It is suggested that SMI can be a prognostic indicator for overall survival in gastric cancer patients, especially in overweight and obese patients.
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