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Calculating Heart Rate Variability from ECG Data from Youth with Cerebral Palsy During Active Video Game Sessions
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Lower Heart Rate Variability Is Associated with Lower Pulse Pressure Amplification: Role of Obesity

Nicola Di Daniele1, Manfredi Tesauro1, Alberto Mascali1

  • 1Hypertension Unit, Department of Internal Medicine, Policinico Tor Vergata, Università di Roma Tor Vergata, Rome, Italy.

Pulse (Basel, Switzerland)
|May 16, 2018
PubMed

Insights

Lower heart rate variability (HRV) is linked to increased pulse pressure amplification, a cardiovascular risk factor. This association is more pronounced in obese individuals compared to lean ones.

Area of Science:

  • Cardiovascular Physiology
  • Metabolic Health

Background:

  • Heart rate variability (HRV), pulse pressure amplification, and obesity are established cardiovascular risk factors.
  • Understanding their interrelationships is crucial for cardiovascular event risk assessment.

Purpose of the Study:

  • To investigate the impact of HRV on pulse pressure amplification.
  • To determine if this association differs between obese and lean individuals.

Main Methods:

  • 342 patients (mean age 61 years) were analyzed.
  • HRV was assessed using time and frequency domain analysis, including the HRV triangular index.
  • Pulse pressure amplification was calculated as the ratio of brachial to carotid pulse pressure.

Main Results:

  • Time domain HRV indices showed a direct correlation with pulse pressure amplification.
  • Lower HRV indices were associated with lower pulse pressure amplification.
  • This association was significantly stronger in obese subjects than in lean subjects, even after adjusting for age and sex.

Conclusions:

  • A significant relationship exists between HRV and pulse pressure amplification.
  • Obesity appears to amplify this association.
  • Further research is warranted to elucidate underlying mechanisms and clinical implications.
Abstract

Keywords:
ArteryHeart rate variabilityObesityPulse pressurePulse pressure amplification

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