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Importance of Left Ventricular Longitudinal Function and Functional Reserve in Patients With Degenerative Mitral Regurgitation: Assessment by Two-Dimensional Speckle Tracking

Patrizio Lancellotti, Bernard Cosyns, Dimitris Zacharakis, Emilio Attena, Guy Van Camp, Olivier Gach, Marc Radermecker, Luc A PiƩrard
BACKGROUND: The aim of this study was to determine whether two-dimensional speckle tracking of longitudinal myocardial deformation can detect limited contractile reserve during exercise in patients with asymptomatic degenerative mitral regurgitation (MR). METHODS: Seventy-one patients with degenerative MR and normal left ventricular (LV) ejection fractions underwent quantitative exercise echocardiography. RESULTS: Compared with 23 normal subjects matched for age and sex, LV volumes were greater in patients with MR...
December 2008: Journal of the American Society of Echocardiography
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