心脏自主神经功能与老年躯体功能的相关性分析

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Abstract [Abstract]Objective To analyze the relationship between the autonomic nerve function and physical function in the elderly.Methods A total of 157 patients treated in the Department of Geriatric Medicine of Dalian Friendship Hospital from October 2017 to December 2018 were selected.The indicators of heart rate variability（HRV），physical function evaluation indicators（activities of daily living [ADL]scores）of patients were collected.According to the ADL scores，the patients were divided into self-care group（n=59），semi-self-care group（n=51）and non-self-care group（n=47）.The difference of HRV indicators in different physical function states and its correlation with ADL scores were analyzed.Results There were statically differences among the three groups in standard deviation of normal R-R intervals（SDNN），standard deviation of mean value of 5-minutesinus R-R interval（SDANN），triangular index，ultra-low frequency（ULF），very low frequency（VLF），low frequency/high frequency（LF/HF）（P＜0.05）.Pearson correlation analysis showed that SDNN，triangular index and LF/HF were positively correlated with ADL score（r=0.266，0.283，0.284; P＜0.05）.Conclusion HRV index can reflect the autonomic nervous function of the heart，which has a certain correlation with the physical function of the elderly.

Key words： Heart rate variability Elderly Physical function Dynamic electrocardiogram

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