Differences of Lateral and Septal Mitral Annulus Velocity by Tissue Doppler Imaging in the Evaluation of Left Ventricular Diastolic Function - 17/08/11
, Paul F. Visintainer, PhD, Manisha Das, MD, John A. McClung, MD, Robert N. Belkin, MD
Corresponding author: Tel: 914-493-5311; fax: 914-235-6274.Résumé |
Left ventricular diastolic dysfunction (LVDD) was investigated in 276 outpatients at a university cardiology practice by tissue Doppler imaging of mitral valve annular velocity. The well-investigated parameters of mitral inflow were used as the standard. Using septal E/Ea ratios, 62 patients (22%) had no LVDD, 44 patients (16%) had mild LVDD, 126 patients (46%) had moderate LVDD, 25 patients (9%) had severe LVDD, and 19 patients (7%) had indeterminate LVDD. Using lateral E/Ea ratios, 131 patients (48%) had no LVDD, 40 patients (14%) had mild LVDD, 62 patients (22%) had moderate LVDD, 9 patients (3%) had severe LVDD, and 12 patients (13%) had indeterminate LVDD. In conclusion, the use of septal tissue Doppler imaging tends to overestimate the severity of LVDD compared with the use of lateral tissue Doppler imaging.
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Vol 98 - N° 7
P. 970-972 - octobre 2006 Retour au numéro
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