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Related Experiment Videos

Right ventricular diastolic function in systemic hypertension.

S Chakko1, E de Marchena, K M Kessler

  • 1Department of Medicine, University of Miami School of Medicine, Florida.

The American Journal of Cardiology
|May 1, 1990
PubMed
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Essential hypertension impairs right and left ventricular diastolic function. These abnormalities in ventricular filling are closely related between the right ventricle (RV) and left ventricle (LV).

Area of Science:

  • Cardiology
  • Cardiovascular Physiology

Background:

  • Essential hypertension is a common condition with known effects on left ventricular structure and function.
  • The impact of essential hypertension on right ventricular (RV) diastolic function is less understood.

Purpose of the Study:

  • To evaluate right (RV) and left ventricular (LV) diastolic function in patients with mild essential hypertension.
  • To determine the relationship between RV and LV diastolic function in this population.

Main Methods:

  • Pulsed-wave Doppler echocardiography was used to assess diastolic function in 50 hypertensive patients and 10 controls.
  • Patients with other cardiac conditions were excluded, and antihypertensive medications were stopped prior to the study.

Main Results:

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  • Hypertensive patients showed impaired RV diastolic function, including higher peak atrial filling velocity and prolonged deceleration half-time.
  • Abnormalities in RV filling parameters, such as a lower early/atrial filling velocity ratio and peak filling rate, were observed.
  • Left ventricular (LV) filling parameters exhibited similar changes, and RV filling parameters correlated well with corresponding LV parameters.

Conclusions:

  • Right ventricular (RV) diastolic function is abnormal in patients with mild essential hypertension.
  • These RV diastolic abnormalities are closely linked to the diastolic dysfunction observed in the left ventricle (LV).