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Morphological and Functional Assessment of the Right Ventricle Using 3D Echocardiography
07:11

Morphological and Functional Assessment of the Right Ventricle Using 3D Echocardiography

Published on: October 28, 2020

[Sigmental right ventricular contractile function in patients with ischemic heart disease]

N S Buslenko1, Iu I Buziashvili, I V Koksheneva

  • 1A. N. Bakulev Research Center for Cardiovascular Surgery; Rublevskoye sh., 135, 121552 Moscow, Russia.

Kardiologiia
|September 2, 2004
PubMed

Insights

Dobutamine stress echocardiography revealed right ventricular dysfunction in ischemic heart disease patients. Stress doses of dobutamine induced ischemic changes, highlighting reversible myocardial dysfunction and scar tissue.

Area of Science:

  • Cardiology
  • Echocardiography
  • Myocardial Function

Background:

  • Ischemic heart disease often involves coronary artery lesions.
  • Right ventricular function assessment is crucial in managing cardiac conditions.

Purpose of the Study:

  • To evaluate segmental right ventricular function using dobutamine stress echocardiography.
  • To identify patterns of right ventricular dysfunction in ischemic heart disease.

Main Methods:

  • 101 patients with ischemic heart disease underwent dobutamine stress echocardiography.
  • Segmental right ventricular wall motion was analyzed at rest and during dobutamine infusion.
  • Wall motion score index and asynergic segments were quantified.

Main Results:

  • At baseline, 34% of segments were asynergic; this decreased to 6% with low-dose dobutamine.
  • High-dose dobutamine induced ischemic changes, increasing asynergic segments to 53% and affecting 90% of patients.
  • Abnormalities included reversible dysfunction (28%), scar (6%), and ischemic risk zones (47%).

Conclusions:

  • Dobutamine stress echocardiography effectively assesses segmental right ventricular function.
  • Right ventricular dysfunction in ischemic heart disease is often reversible and linked to coronary artery involvement.

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