Thales Batista de Souza , Roberta de Oliveira Máximo , Isabella Letícia de Pádua Cruz e Souza , Thaís Barros Pereira da Silva , Mariane Marques Luiz , Sara Souza Lima , Natália Cochar-Soares , Leticia Coelho Silveira , Valdete Regina Guandalini , Patrícia Silva Tofani , Andrew Steptoe , Cesar de Oliveira , Tiago da Silva Alexandre
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引用次数: 0
Abstract
Objective
This study aims to evaluate whether obstructive or restrictive lung disorders are associated with the incidence of dynapenia in individuals aged 50 and over.
Methods
Longitudinal study involving 4,975 participants from the English Longitudinal Study of Aging (ELSA) aged 50 or older, without dynapenia at baseline, followed for eight years. Lung function was assessed by spirometry (predicted percentage) and participants were classified as no pulmonary disorder (FEV1 ≥ 80 %, FVC ≥ 80 % and FEV1/FVC ≥ 70 %); with obstructive pulmonary disorder (FEV1 < 80 %, FEV1/FVC < 70 % and normal FVC or < 80 %); or with restrictive pulmonary disorder (FVC < 80 %, FEV1/FVC > 70 % and normal or < 80 % FEV1). The incidence of dynapenia was defined by handgrip strength < 26 kg for men and < 16 kg for women. Association between obstructive or restrictive pulmonary disorders and the incidence of dynapenia were investigated using Poisson regression models adjusted for sociodemographic, behavioural, and clinical characteristics.
Results
The incidence density of dynapenia was 14.2/1000 person-years (95 %CI 12.6–15.9) in those without pulmonary disorders, 25.1/1000 person-years (95 % CI 21.2–29.7) in those with restrictive pulmonary disorders and 36.6/1000 person-years (95 % CI 23.8–56.1) in those with obstructive pulmonary disorders. Having an obstructive pulmonary disorder increased the risk of developing dynapenia by 62 % (95 % CI 1.09–2.41), while having a restrictive pulmonary disorder increased the risk by 37 % (95 % CI 1.13–1.64).
Conclusion
Obstructive and restrictive pulmonary disorders are risk factors for a higher incidence of dynapenia in individuals aged 50 years or older.
期刊介绍:
Archives of Gerontology and Geriatrics provides a medium for the publication of papers from the fields of experimental gerontology and clinical and social geriatrics. The principal aim of the journal is to facilitate the exchange of information between specialists in these three fields of gerontological research. Experimental papers dealing with the basic mechanisms of aging at molecular, cellular, tissue or organ levels will be published.
Clinical papers will be accepted if they provide sufficiently new information or are of fundamental importance for the knowledge of human aging. Purely descriptive clinical papers will be accepted only if the results permit further interpretation. Papers dealing with anti-aging pharmacological preparations in humans are welcome. Papers on the social aspects of geriatrics will be accepted if they are of general interest regarding the epidemiology of aging and the efficiency and working methods of the social organizations for the health care of the elderly.