期刊
AGING CLINICAL AND EXPERIMENTAL RESEARCH
卷 35, 期 11, 页码 2831-2837出版社
SPRINGER
DOI: 10.1007/s40520-023-02558-w
关键词
Acylcarnitines; Atrial fibrillation; Elderly; Frailty; IL-6; Inflammation
In older patients with atrial fibrillation, IL-6 is associated with acylcarnitines and lower physical performance. Alterations in energy production, reduced physical function, and inflammation may contribute to frailty development.
BackgroundAtrial fibrillation (AF) is associated with chronic inflammation, a hallmark of ageing process. The aim of this study was to determine interleukin-6 (IL-6)-associated variables, also exploring acylcarnitines, expression of mitochondrial abnormalities.MethodsWe evaluated 22 controls and 50 patients with persistent AF. IL-6 and acylcarnitines were measured with ELISA kits and mass spectrometry techniques.ResultsIL-6 concentration (mean: 3.9 +/- 3.1 pg/mL) was lower in controls and increased in AF patients, especially with heart failure. The CHA2DS2-VASc, the MMSE and the SPPB scores were 3.8 +/- 1.6, 28 +/- 2 and 9.4 +/- 2.1. Thirteen acylcanitines correlated with IL-6. At multivariable analysis, IL-6 was directly associated with C4-OH-a short-chain acylcarnitine, fibrinogen and alanine aminotransferase values, and with hyperuricemia. An inverse association existed with calcium concentration and SPPB score.ConclusionsIn older AF patients, IL-6 correlated with acylcarnitines and lower physical performance. Alterations in energy production, reduced physical function and inflammation could contribute to frailty development.
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