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标题：Inflammatory potential of the diet and risk of sarcopenia and its components
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作者：Amir Bagheri ; Sanaz Soltani ; Rezvan Hashemi 等
期刊名称：Nutrition Journal
印刷版ISSN：1475-2891
电子版ISSN：1475-2891
出版年度：2020
卷号：19
期号：1
页码：1-8
DOI：10.1186/s12937-020-00649-2
出版社：BioMed Central
摘要：Despite a large body of evidence on the link between dietary inflammatory index (DII) and several chronic conditions, limited data are available about the association of DII and sarcopenia. This study aimed to examine the relationship between inflammatory potential of the diet (as measured by DII) and sarcopenia and its components among community-dwelling elderly population. This population-based cross-sectional study was performed in 2011 among 300 elderly people (150 men and 150 women) aged ≥55 years, who were selected using cluster random sampling method. Dietary assessment was done using a pre-tested food frequency questionnaire. Energy-adjusted DII was calculated based on earlier studies. Sarcopenia and its components were determined based on the European Working Group on Sarcopenia (EWGSOP) definition. Mean age of study participants was 66.7 ± 7.7 y. Subjects in the highest tertile of DII score (i.e. those with a more pro-inflammatory diet) were more likely to be older (P = 0.02). The prevalence of sarcopenia (P = 0.016) and low muscle mass (P = 0.041) was significantly higher among subjects in the top tertile compared with those in the bottom tertile of DII. After adjustment for potential confounders, those with the highest DII were 2.18 times (95% CI: 1.01–4.74) more likely to have sarcopenia than those with the lowest DII. With regard to components of sarcopenia, subjects in the top tertile of DII had not significantly greater odds of low muscle mass (OR: 1.38; 95% CI: 0.72–2.63), abnormal handgrip strength (OR: 0.97; 95% CI: 0.49–1.89), and abnormal gait speed (OR: 1.61; 95% CI: 0.84–3.08) than those in the bottom tertile. In conclusion, a diet with more pro-inflammatory potential was associated with a greater odds of sarcopenia. Further studies are required to confirm these findings.
关键词：Dietary inflammatory index ; Sarcopenia ; Muscle mass ; Muscle strength