Change in physical activity and its association with decline in kidney function: A UK Biobank‐based cohort study

Autor: Qiaoling Liu, Carlos Celis‐Morales, Jennifer S. Lees, Naveed Sattar, Frederick K. Ho, Jill P. Pell, Patrick B. Mark, Paul Welsh
Jazyk: angličtina
Rok vydání: 2024
Předmět:
Zdroj: Journal of Cachexia, Sarcopenia and Muscle, Vol 15, Iss 5, Pp 2046-2055 (2024)
Druh dokumentu: article
ISSN: 2190-6009
2190-5991
DOI: 10.1002/jcsm.13551
Popis: Abstract Background Previous research on the association between physical activity (PA) and kidney function is inconsistent. The association between muscle mass and serum creatinine (SCr) may have implications for interpreting the effect of PA on estimated glomerular filtration rate (eGFR). Few studies have reported changes in physical activity and changes in kidney function. Methods A cohort study was constructed using the UK Biobank. Changes in physical activity were self‐reported as metabolic equivalent task (MET) minutes/week. eGFR was calculated using SCr and cystatin C (CysC). Cox and nonlinear regressions with restricted cubic splines were applied to explore the association between changes in physical activity and rapid decline of kidney function (RDKF, eGFR annual decrease ≥3 mL/min/1.73 m2), and the annual change of eGFR. An exploratory analysis of cardiorespiratory fitness as the exposure was conducted. Results Among 11 757 participants, the median follow‐up time was 4.4 years. Participants whose PA decreased by 1000 MET minutes/week at the follow‐up assessment had a 2% reduction in risk of developing RDKFSCr (HR = 0.98, 95% CI: 0.96, 1.00). In contrast, a 1000 MET minutes/week increase in PA was associated with a 4% reduction in risk of developing RDKFCysC (HR = 0.96, 95% CI: 0.93, 0.99). A PA increase of 1000 MET minutes/week was associated with eGFRCysC annual increase of 0.04 mL/min/1.73 m2 (95% CI: 0.03, 0.06) but no significant changes in eGFRSCr. Conclusions In this general population study, there are differing associations between changes in PA and changes in kidney function depending on the kidney biomarker used. Increasing PA is modestly associated with improving annual eGFRCysC and reduced risk of RDKF.
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