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Right ventricle speckle tracking after RV pacing lead placement

H M Kristiansen, G Vollan, T Hovstad, H Keilegavlen, S Faerestrand
AIMS: The effect on left ventricular (LV) systolic function and LV dyssynchrony by alternative right ventricular (RV) lead position in cardiac resynchronization therapy (CRT) is unclear. In the present study, RV apical (RV-A) was compared with RV high posterior septal (RV-HS) lead position in CRT. METHODS AND RESULTS: In 85 consecutive CRT patients (mean age 66 ±11 years) the RV lead placement was randomized to RV-A (n = 43) or RV-HS (n = 42). The LV lead was targeted to the latest activated LV segment (concordant LV lead), identified by two-dimensional speckle tracking radial strain (ST-RS) echocardiography...
May 2012: European Journal of Heart Failure
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