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Time- and frequency-domain measures of heart rate variability predict cardiovascular outcome in patients with type 2 diabetes.


ABSTRACT: AIMS:To evaluate the association between impaired heart rate variability (HRV) and cardiovascular disease (CVD) in patients with type 2 diabetes (T2DM). METHODS:A total of 655 patients with T2DM who underwent cardiovascular autonomic function testing were consecutively recruited and followed up prospectively. Time- and frequency-domain HRV were assessed for 5?min by beat-to-beat heart rate recording. We estimated the development of CVD events during a follow-up period. RESULTS:During a median follow-up of 7.8?years, 9.6% (n?=?49) of patients developed CVD (10.6 per 1000 patient-years). The mean age and diabetes duration were 54.9?±?8.6?years and 9.4?±?7.3?years, respectively. Patients who had cardiovascular autonomic neuropathy (CAN) had decreased HRV compared with those with normal autonomic function. Multivariable cox hazard regression analysis revealed the lowest 10th percentile of the SD of the normal-to-normal interval (HR 2.62; 95% CI 1.30-5.31), total power (HR 2.81; 95% CI 1.37-5.79), low-frequency power (HR 2.68; 95% CI 1.28-5.59), and high-frequency power (HR 2.24; 95% CI 1.09-4.59) were significant predictors for developing CVD in patients with T2DM. CONCLUSIONS:Time- and frequency-domain measures of HRV independently predicted cardiovascular outcome in patients with T2DM.

SUBMITTER: Cha SA 

PROVIDER: S-EPMC6278593 | biostudies-literature | 2018 Sep

REPOSITORIES: biostudies-literature

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Time- and frequency-domain measures of heart rate variability predict cardiovascular outcome in patients with type 2 diabetes.

Cha Seon-Ah SA   Park Yong-Moon YM   Yun Jae-Seung JS   Lee Seung-Hwan SH   Ahn Yu-Bae YB   Kim Sung-Rae SR   Ko Seung-Hyun SH  

Diabetes research and clinical practice 20180710


<h4>Aims</h4>To evaluate the association between impaired heart rate variability (HRV) and cardiovascular disease (CVD) in patients with type 2 diabetes (T2DM).<h4>Methods</h4>A total of 655 patients with T2DM who underwent cardiovascular autonomic function testing were consecutively recruited and followed up prospectively. Time- and frequency-domain HRV were assessed for 5 min by beat-to-beat heart rate recording. We estimated the development of CVD events during a follow-up period.<h4>Results<  ...[more]

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