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2014•Unpublished venueRequires access

Heart rate variability in the elderly patients with type 2 diabetes combined with coronary heart disease

Zhang Song-ta

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Abstract

Objective To detect the heart rate variability in the elderly patients with type 2 diabetes combined with coronary heart disease,and to analyze the clinical significance.Methods Eighty-four elderly patients with type 2 diabetes combined with coronary heart disease were enrolled into observation group,and 60 elderly healthy volunteers were enrolled into the control group.Then the heart rate variability index of the two groups were compared.Results The comparison showed that the difference of the average heart rate between the observation group and control group was not statistically significant.The SDNN,SDANN,SDNN index,RMSSD and PNN50% in the observation group were(86.1±2.8) ms,(86.1±4.1) ms,(19.2±2.9) ms,(13.9±3.1) ms and(3.6±2.2)%,which were significantly lower than those of(127.6±3.1) ms,(128.1±4.7) ms,(59.2±2.6) ms,(35.4±3.5) ms and(13.8±2.2)% in the control group(all P0.05).The SDANN,SDNN index,and PNN50% of the observation group at sleep state were(86.3 ± 4.1) ms,(14.1±2.4) ms and(3.7±1.2)%,which showed no statistically significant difference with those of(85.1±4.7) ms,(13.8± 2.7) ms and(3.6±1.1)% at waking state.The SDANN,SDNN index,and PNN50% of the control group at sleep state were(131.3±4.2) ms,(39.5±2.6) ms and(16.5±1.9)%,which were significantly higher than those of(95.2±3.9) ms,(27.1±2.2) ms and(10.6±1.8)% at waking state were(all P0.05).Conclusion The heart rate variability can reflect the status of cardiac sympathetic nerve and vagus nerve function,and can accurately assess the autonomic nervous system injury of type 2 diabetes combined with coronary heart disease.

About this research paper

What this paper is about

Objective To detect the heart rate variability in the elderly patients with type 2 diabetes combined with coronary heart disease,and to analyze the clinical significance.Methods Eighty-four elderly patients with type 2 diabetes combined with coronary heart disease were enrolled into observation group,and 60 elderly healthy volunteers were enrolled into the control group.Then the heart rate variability index of the two groups were compared.Results The comparison showed that the difference of the average heart rate between the observation group and control group was not statistically significant.The SDNN,SDANN,SDNN index,RMSSD and PNN50% in the observation group were(86.1±2.8) ms,(86.1±4.1) ms,(19.2±2.9) ms,(13.9±3.1) ms and(3.6±2.2)%,which were significantly lower than those of(127.6±3.1) ms,(128.1±4.7) ms,(59.2±2.6) ms,(35.4±3.5) ms and(13.8±2.2)% in the control group(all P0.05).The SDANN,SDNN index,and PNN50% of the observation group at sleep state were(86.3 ± 4.1) ms,(14.1±2.4) ms and(3.7±1.2)%,which showed no statistically significant difference with those of(85.1±4.7) ms,(13.8± 2.7) ms and(3.6±1.1)% at waking state.The SDANN,SDNN index,and PNN50% of the control group at sleep state were(131.3±4.2) ms,(39.5±2.6) ms and(16.5±1.9)%,which were significantly higher than those of(95.2±3.9) ms,(27.1±2.2) ms and(10.6±1.8)% at waking state were(all P0.05).Conclusion The heart rate variability can reflect the status of cardiac sympathetic nerve and vagus nerve function,and can accurately assess the autonomic nervous system injury of type 2 diabetes combined with coronary heart disease.

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Available abstract

Objective To detect the heart rate variability in the elderly patients with type 2 diabetes combined with coronary heart disease,and to analyze the clinical significance.Methods Eighty-four elderly patients with type 2 diabetes combined with coronary heart disease were enrolled into observation group,and 60 elderly healthy volunteers were enrolled into the control group.Then the heart rate variability index of the two groups were compared.Results The comparison showed that the difference of the average heart rate between the observation group and control group was not statistically significant.The SDNN,SDANN,SDNN index,RMSSD and PNN50% in the observation group were(86.1±2.8) ms,(86.1±4.1) ms,(19.2±2.9) ms,(13.9±3.1) ms and(3.6±2.2)%,which were significantly lower than those of(127.6±3.1) ms,(128.1±4.7) ms,(59.2±2.6) ms,(35.4±3.5) ms and(13.8±2.2)% in the control group(all P0.05).The SDANN,SDNN index,and PNN50% of the observation group at sleep state were(86.3 ± 4.1) ms,(14.1±2.4) ms and(3.7±1.2)%,which showed no statistically significant difference with those of(85.1±4.7) ms,(13.8± 2.7) ms and(3.6±1.1)% at waking state.The SDANN,SDNN index,and PNN50% of the control group at sleep state were(131.3±4.2) ms,(39.5±2.6) ms and(16.5±1.9)%,which were significantly higher than those of(95.2±3.9) ms,(27.1±2.2) ms and(10.6±1.8)% at waking state were(all P0.05).Conclusion The heart rate variability can reflect the status of cardiac sympathetic nerve and vagus nerve function,and can accurately assess the autonomic nervous system injury of type 2 diabetes combined with coronary heart disease.

Key concepts: Medicine, Heart rate variability, Internal medicine, Coronary heart disease, Type 2 diabetes, Cardiology, Diabetes mellitus, Heart rate

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