Taiping Lin1,2, Yanli Zhao1,2, Xin Xia1,2, Ning Ge1,2, Jirong Yue3,4. 1. Department of Geriatrics, West China Hospital, Sichuan University, Chengdu, Sichuan, China. 2. Department of National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan Province, China. 3. Department of Geriatrics, West China Hospital, Sichuan University, Chengdu, Sichuan, China. yuejirong11@hotmail.com. 4. Department of National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan Province, China. yuejirong11@hotmail.com.
Abstract
PURPOSE: Frailty and chronic pain are prevalent among older adults. However, no study has systematically reviewed the association between frailty and chronic pain in older adults. Therefore, we aimed to estimate the prevalence of frailty and prefrailty among older adults with chronic pain and review the longitudinal association between frailty status and chronic pain. METHODS: Embase, Medline, Pubmed, and Cochrane library were searched from inception to March 2020. The methodological quality of the studies was assessed using the Newcastle Ottawa Scale. Random effect models and Mantel-Haenszel weighting were adopted to synthesize the estimates. RESULTS: Among the initial 846 articles retrieved, 24 were included in the review (12 cross-sectional, and 12 longitudinal). The pooled prevalence in persons with chronic pain was 18% (95% CI 14-23%; I2 = 98.7%) for frailty and 43% (95% CI 36-51%; I2 = 98.2%) for prefrailty. The pooled prevalence of chronic pain was 50% (95% CI 45-55%; I2 = 88.3%) for individuals with frailty and 37% (95% CI 31-42%; I2 = 97.1%) for individuals with prefrailty. Persons with chronic pain were 1.85 (95% CI 1.49-2.28; I2 = 93.2%) times more likely to develop frailty after an average follow-up of 5.8 years compared to those without. CONCLUSION: Frailty and prefrailty are common in persons with chronic pain. Chronic pain among non-frail older persons significantly predicts the incidence of frailty after an average follow-up of 5.8 years. Future studies should explore the efficacy of different pain management strategies in reducing physical frailty and clarify the association of other types of frailty (cognitive, social and psychological) with chronic pain.
PURPOSE: Frailty and chronic pain are prevalent among older adults. However, no study has systematically reviewed the association between frailty and chronic pain in older adults. Therefore, we aimed to estimate the prevalence of frailty and prefrailty among older adults with chronic pain and review the longitudinal association between frailty status and chronic pain. METHODS: Embase, Medline, Pubmed, and Cochrane library were searched from inception to March 2020. The methodological quality of the studies was assessed using the Newcastle Ottawa Scale. Random effect models and Mantel-Haenszel weighting were adopted to synthesize the estimates. RESULTS: Among the initial 846 articles retrieved, 24 were included in the review (12 cross-sectional, and 12 longitudinal). The pooled prevalence in persons with chronic pain was 18% (95% CI 14-23%; I2 = 98.7%) for frailty and 43% (95% CI 36-51%; I2 = 98.2%) for prefrailty. The pooled prevalence of chronic pain was 50% (95% CI 45-55%; I2 = 88.3%) for individuals with frailty and 37% (95% CI 31-42%; I2 = 97.1%) for individuals with prefrailty. Persons with chronic pain were 1.85 (95% CI 1.49-2.28; I2 = 93.2%) times more likely to develop frailty after an average follow-up of 5.8 years compared to those without. CONCLUSION: Frailty and prefrailty are common in persons with chronic pain. Chronic pain among non-frail older persons significantly predicts the incidence of frailty after an average follow-up of 5.8 years. Future studies should explore the efficacy of different pain management strategies in reducing physical frailty and clarify the association of other types of frailty (cognitive, social and psychological) with chronic pain.
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