Hypertension and diastolic function

E Agabiti-Rosei1, M L Muiesan

  • 1Department of Internal Medicine, University of Brescia, Italy.

Drugs
|January 1, 1993
PubMed

Insights

Systemic hypertension can cause early left ventricular (LV) diastolic dysfunction. Antihypertensive therapy improving LV mass may enhance diastolic function, suggesting LV mass reduction benefits long-term hypertension prognosis.

Area of Science:

  • Cardiology
  • Hypertension Research
  • Cardiac Physiology

Background:

  • Left ventricular (LV) diastolic dysfunction is an early sign of systemic hypertension, even with normal systolic function.
  • Diastolic filling abnormalities are linked to LV hypertrophy and influenced by factors like age, weight, blood pressure, and cardiac structure.
  • Abnormal diastolic function may impair LV systolic response during exercise, despite normal resting function.

Purpose of the Study:

  • To investigate the impact of antihypertensive therapy on LV diastolic function.
  • To determine if regression of LV mass influences diastolic function.
  • To explore the potential of LV mass reduction for improving hypertension prognosis.

Main Methods:

  • Observational study analyzing diastolic filling indices in hypertensive patients.
  • Evaluation of antihypertensive drug effects (ACE inhibitors, calcium antagonists) on diastolic function.
  • Assessment of changes in LV mass and diastolic function following long-term antihypertensive treatment and withdrawal.

Main Results:

  • Antihypertensive medications, particularly ACE inhibitors and phenylalkylamine calcium antagonists, improved diastolic function.
  • Long-term antihypertensive therapy led to significant reduction in LV mass and improvement in diastolic filling.
  • LV mass remained reduced even after treatment withdrawal, suggesting a lasting effect.

Conclusions:

  • Regression of LV mass induced by antihypertensive therapy may improve LV diastolic function.
  • Further research is needed to confirm the long-term prognostic impact of improved diastolic function in hypertensive patients.

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