Tissue Doppler imaging to assess left ventricular dyssynchrony and resynchronization therapy
نویسندگان
چکیده
منابع مشابه
Improvement of left ventricular function after cardiac resynchronization therapy is predicted by tissue Doppler imaging echocardiography.
BACKGROUND Cardiac resynchronization therapy was shown to reverse left ventricular (LV) remodeling in patients with congestive heart failure (CHF). However, the prediction of benefit is controversial. We aimed to investigate predictive factors of LV functional recovery and reversed remodeling after biventricular pacing. METHODS AND RESULTS Forty-nine consecutive patients with CHF and a wide Q...
متن کاملImprovement in left ventricular intrinsic dyssynchrony with cardiac resynchronization therapy
OBJECTIVE Cardiac resynchronization therapy (CRT) has been shown to induce a structural and electrical remodeling; the data on whether left ventricle (LV) reverse remodeling is associated with restitution of intrinsic contraction pattern are unknown. In this study, we investigated the presence of improvement in left ventricular intrinsic dyssynchrony in patients with CRT. METHODS A total of 4...
متن کاملEvaluation of left ventricular dyssynchrony using combined pulsed wave and tissue Doppler imaging
INTRODUCTION The combination of pulsed wave (PW) and tissue Doppler imaging (TDI) has been proposed as a new method to assess left ventricular (LV) mechanical dyssynchrony (LVMD), but results have not been validated. We investigated the correlation of a combination of PW and TDI with a positive response to cardiac resynchronization therapy (CRT). MATERIAL AND METHODS We studied 108 consecutiv...
متن کاملStrain dyssynchrony index correlates with improvement in left ventricular volume after cardiac resynchronization therapy better than tissue velocity dyssynchrony indexes.
BACKGROUND Various dyssynchrony indexes derived from tissue velocity and strain imaging have been proposed to predict the effectiveness of cardiac resynchronization therapy (CRT). We sought to compare the effect of CRT on dyssynchrony indexes derived by tissue velocity and strain and to determine which baseline intraventricular dyssynchrony parameters correlate with improvement in left ventricu...
متن کاملRelation of left ventricular lead placement in cardiac resynchronization therapy to left ventricular reverse remodeling and to diastolic dyssynchrony.
The effects of left ventricular (LV) lead placement for cardiac resynchronization therapy (CRT) on LV remodeling and dyssynchrony are not well defined. Sixty-one patients (age 60 +/- 11 years, 76% men) were evaluated by echocardiography before and 4 +/- 2 months after CRT and grouped by the LV lead placement (lateral, posterolateral, or anterolateral). Echocardiographic measurements included LV...
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ژورنال
عنوان ژورنال: European Journal of Echocardiography
سال: 2005
ISSN: 1525-2167
DOI: 10.1016/j.euje.2004.12.002