Left ventricular midwall function improves with antihypertensive therapy and regression of left ventricular

A E Schussheim1, J A Diamond, R A Phillips

  • 1Hypertension Section, The Zena and Michael A Wiener Cardiovascular Institute, The Mount Sinai Medical Center, New York, New York 10029, USA.

Insights

Antihypertensive therapy improves cardiac performance in patients with left ventricular hypertrophy (LVH). This therapy enhances midwall function, a key indicator of heart health, suggesting a role in managing hypertensive heart disease.

Area of Science:

  • Cardiology
  • Hypertension Research
  • Echocardiography

Background:

  • Left ventricular hypertrophy (LVH) regression with antihypertensive therapy may improve prognosis.
  • The underlying mechanisms for this benefit are not fully understood.
  • Midwall fractional shortening (mFS) is a sensitive marker of myocardial performance, often reduced in hypertensive patients with LVH.

Purpose of the Study:

  • To investigate whether antihypertensive therapy can improve midwall function.
  • To assess changes in cardiac performance using mFS and conventional echocardiographic parameters.
  • To explore the relationship between antihypertensive therapy, LV mass regression, and cardiac function.

Main Methods:

  • Serial echocardiographic measurements of mFS and other chamber function parameters.
  • Study involved 29 hypertensive individuals over 6 months of drug therapy.
  • Analysis included stress-adjusted and absolute midwall function.

Main Results:

  • Significant improvements in both stress-adjusted (10%) and absolute (11%) midwall function were observed (p <0.05).
  • No significant changes were noted in other conventional measures of chamber function.
  • Improved function was more pronounced in patients with concentric remodeling and greater LV mass reduction.

Conclusions:

  • Antihypertensive therapy is associated with improved cardiac performance, as measured by mFS.
  • LV mass regression during antihypertensive treatment correlates with enhanced cardiac function.
  • mFS may be valuable for identifying early hypertensive heart disease and monitoring therapeutic responses.

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