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Doppler-echocardiographic evaluation of left atrial contribution to left ventricular filling in mitral stenosis at rest and during exercise
Journal article   Peer reviewed

Doppler-echocardiographic evaluation of left atrial contribution to left ventricular filling in mitral stenosis at rest and during exercise

Ted M. Parris, Michael McAllister, John J. Ross and Gary S. Mintz
The American journal of cardiology, v 64(16), pp 1058-1060
1989
DOI: https://doi.org/10.1016/0002-9149(89)90813-8
PMID: 2816743
Featured in Collection :   UN Sustainable Development Goals @ Drexel

Abstract

The onset of atrial fibrillation in patients with mitral stenosis (MS) is frequently associated with clinical deterioration. Whether this is related solely to the rapid heart rate that occurs with untreated atrial fibrillation or to the loss of synchronized atrial contraction is unclear. Over the past 20 to 30 years, some investigators have suggested that atrial contraction is critical for adequate left ventricular (LV) filling, while others have concluded that in MS, active atrial contraction augments LV filling very little. 1–4 Using 2-dimensional and Doppler echocardiography, we quantified the contribution of atrial contraction to LV filling in patients with MS in normal sinus rhythm. We have confirmed our preliminary findings 5 in a larger group of patients and additionally studied a subset of patients in sinus rhythm both at rest and during upright bicycle exercise.

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2 citations in Web of Science
4 citations in Scopus

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Web of Science research areas
Cardiac & Cardiovascular Systems
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