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The heart frequency and its variability in hypertensive patients considering A/B type of behaviour and eight basic

Karlo Kozul1, Ksenija Vidović, Helga Heinzelman-Kozul

  • 1Department of Epidemiology, Institute of Public Health for the Osijek-Baranja County, Osijek, Croatia. karlo.kozul@os.htnet.hr

Collegium Antropologicum
|August 11, 2009
PubMed

Insights

Essential hypertension is linked to increased heart rate and reduced heart rate variability. These factors, along with hypertension duration, are significant indicators of cardiovascular risk.

Area of Science:

  • Cardiology
  • Autonomic Nervous System Function

Background:

  • Essential hypertension is a prevalent condition associated with cardiovascular risks.
  • Autonomic nervous system (ANS) dysfunction, particularly in heart rate regulation, is implicated in hypertension.

Purpose of the Study:

  • To compare heart rate (HR) and heart rate variability (HRV) autonomic regulation between essential hypertensive patients and healthy controls.
  • To investigate the influence of hypertension duration, blood pressure levels, and behavioral patterns on HR and HRV.

Main Methods:

  • Comparison of HR and HRV parameters between 100 essential hypertensive patients and 100 healthy controls.
  • Analysis of the correlation between cardiovascular parameters, hypertension duration, Bortner's variables, and emotional dimensions with HR and HRV.

Main Results:

  • Hypertensive patients exhibited significantly faster heart rates (shorter RR intervals) and lower HRV compared to controls.
  • Hypertension duration showed a distinct negative correlation with HRV.
  • HRV was positively associated with the emotional dimension 'Incorporation' and negatively with 'Protection', 'Rejection', and 'Reproduction' in hypertensive patients.

Conclusions:

  • Long-term hypertension is associated with increased heart rate and reduced heart rate variability.
  • These findings highlight elevated HR and reduced HRV as significant risk factors for increased cardiac mortality in hypertensive individuals.

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