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February 22, 2011European Journal of EchocardiographyOpen Access

Prediction of incipient left ventricular dysfunction in patients with chronic primary mitral regurgitation: a velocity vector imaging study

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Why the study?

Does velocity vector imaging detect early subclinical left ventricular dysfunction in patients with chronic primary mitral regurgitation?

Population

84 subjects, including 43 patients with chronic primary mitral regurgitation with normal LV systolic…

Comparison

Velocity vector imaging to assess left… vs Normal subjects and comparison across varying…

Design

Cross-sectional

Authors

SMSherif MoustafaMKMayank KansalMAM. Alharthi

Discussion

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Overview

Supports VVI for detecting subclinical LV dysfunction in severe MR; hypothesis-generating and requires prospective validation before clinical use.

Structured PICO

Does velocity vector imaging detect early subclinical left ventricular dysfunction in patients with chronic primary mitral regurgitation?

P
Population
84 subjects, including 43 patients with chronic primary mitral regurgitation (due to myxomatous mitral valve disease) with normal LV systolic function, and 41 normal subjects.
I
Intervention
Velocity vector imaging (VVI) to assess left ventricular rotation mechanics (twist and torsion).
C
Comparator
Normal subjects and comparison across varying severities of mitral regurgitation (mild, moderate, and severe).
O
Outcome
Peak endocardial and epicardial rotations in systole (LV twist and torsion).surrogate

Velocity vector imaging can detect subclinical left ventricular dysfunction in patients with severe chronic primary mitral regurgitation by identifying reduced LV twist and torsion.

Cite This Study

Moustafa et al. (2011) studied this question.

synapsesocial.com/papers/6a7e7c78f6941e90164c4e85https://doi.org/10.1093/ejechocard/jer003
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Left ventricular torsion in primary chronic mitral regurgitation2007 · 91 citations
  2. 2Changes in systolic left ventricular function in isolated mitral regurgitation. A strain rate imaging study2007 · 125 citations
  3. 3Evaluation of left ventricular rotation in obese subjects by velocity vector imaging2010 · 23 citations
  4. 4Assessment of Systolic and Diastolic Left Ventricular and Left Atrial Function Using Vector Velocity Imaging in Takotsubo Cardiomyopathy2008 · 39 citations
  5. 5Assessment of subclinical left ventricular dysfunction in asymptomatic mitral regurgitation2007 · 56 citations