Tissue Doppler Derived Biphasic Velocities During the Pre and Post-Ejection Phases: Patterns, Concordance and Hemodynamic Significance in Health and Disease
Abstract:Background
Pre-(PRE) and post-ejection (POE) velocities by mitral annular tissue Doppler (TD) are biphasic and may be related to myocardial deformations. We investigated the predominance and concordance of TD-PRE and POE velocities and their effect on myocardial functions in controls and in HF patients.
Methods
Retrospectively, 84 HF patients [57.6 years, 28(33%) females, NYHA: 2.3±0.6, EF: 55±15%, 52(62%) preserved EF, and 32(38%) reduced EF], 42 normal young controls, and 26 asymptomatic age matched contro… Show more
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