期刊
JOURNAL OF BONE AND MINERAL RESEARCH
卷 37, 期 6, 页码 1179-1187出版社
WILEY
DOI: 10.1002/jbmr.4556
关键词
NUTRITION; OSTEOPOROSIS; SARCOPENIA; FRACTURE RISK; EPIDEMIOLOGY
资金
- Chinese University of Hong Kong Jockey Club Centre for Osteoporosis Care and Control
- National Institutes of Health R01 grant [AR049439-01A1]
- Research Grants Council Earmarked grant [CUHK4101/02 M]
- Health and Medical Research Fund grant [12133811]
- National Natural Science Foundation of China [82003541]
This study found that the consumption of pro-inflammatory diets was associated with loss of muscle strength and physical function, as well as an increased risk of fractures in older Chinese men. Pro-inflammatory diets had no significant association with muscle-related outcomes but increased the long-term risk of osteoporosis in older Chinese women.
Inflammation, an important contributory factor of muscle and bone aging, is potentially modulated by diet. This study examined the associations of dietary inflammatory index (DII) score with musculoskeletal parameters and related disease outcomes in 3995 community-dwelling Chinese men and women aged >= 65 years in Hong Kong. DII score at baseline was estimated from a food frequency questionnaire. Bone mineral density (BMD) and muscle mass estimated by dual-energy X-ray absorptiometry (DXA), hand grip strength, gait speed, and chair stand test were measured at baseline, year 4, and year 14. The associations of DII score with the longitudinal changes of musculoskeletal parameters, and incidence of osteoporosis, sarcopenia, and fractures were examined by using general linear model, multinomial logistic regression model, and Cox proportional hazards regression model, respectively. After multiple adjustments, each tertile increase in DII score in men was associated with 0.37 (95% confidence interval [CI], 0.10-0.64) kg loss in grip strength and 0.02 (95% CI, 0.01-0.03) m/s loss in gait speed over 4 years. In men, the highest tertile of DII was associated with a higher risk of incident fractures, with adjusted and competing death adjusted hazard ratio (HR) (95% CI) of 1.56 (1.14-2.14) and 1.40 (1.02-1.91), respectively. In women, DII score was not significantly associated with any muscle-related outcomes or incidence of fracture, but a significant association between higher DII score and risk of osteoporosis at year 14 was observed, with the highest tertile of DII score having adjusted odds ratio (OR) (95% CI) of 1.90 (1.03-3.52). In conclusion, pro-inflammatory diet consumption promoted loss of muscle strength and physical function, and increased risk of fractures in older Chinese men. Pro-inflammatory diets had no significant association with muscle related outcomes but increased the long-term risk of osteoporosis in older Chinese women. (c) 2022 American Society for Bone and Mineral Research (ASBMR).
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