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- W2091796791 abstract "The purpose of this study was to investigate the relationship between patterns of heart rate variability (HRV) associated with respiratory sinus arrhythmia (RSA), systolic (SBP) and diastolic (DBP) blood pressures and cardiovascular risk, which together may be used as potential screening indicators for the evaluation of coronary health status. 125 middle aged male asymptomatic subjects underwent a seated resting ECG measurement at a fixed respiratory frequency (12 breaths.min−1) and volume (30% vital capacity). 256 consecutive RR intervals were analyzed and absolute low (LF) and high (HF) frequency spectral powers were computed using autoregressive modeling. Standard screening tests were performed to identify selected modifiable and non-modifiable CHD risk factors and CHD risk was calculated using the Anderson scoring system. The results indicated significant negative correlations between HF and cardiovascular risk, SBP and DBP (r = −0.35, r = −0.24 and r = −0.23, p < 0.01, respectively), and between LF and cardiovascular risk, (r = −0.25, p < 0.01) but not with SBP and DBP. Furthermore, a significant positive correlation was found between LF/HF ratio and cardiovascular risk (r = 0.21, p < 0.01), but not with SBP and DBP. In conclusion, increased supine systolic and diastolic blood pressures were associated with reduced vagal activity together with increased cardiovascular risk. Further research is needed to investigate autonomic disturbances in middle-aged asymptomatic subjects who exhibit recognized CHD risk factors." @default.
- W2091796791 created "2016-06-24" @default.
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- W2091796791 date "2001-05-01" @default.
- W2091796791 modified "2023-10-14" @default.
- W2091796791 title "RELATIONSHIPS BETWEEN RESPIRATORY SINUS ARRHYTHMIA, BLOOD PRESSURE AND CHD RISK IN MIDDLE AGED MALES" @default.
- W2091796791 doi "https://doi.org/10.1097/00005768-200105001-00169" @default.
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