Why the study?
Does left ventricular lead placement in the anterolateral and posterolateral positions improve CRT benefit in cardiac resynchronization therapy recipients compared to anterior placement?
Does left ventricular lead placement in the anterolateral and posterolateral positions improve CRT benefit in cardiac resynchronization therapy recipients compared to anterior placement?
Anterolateral and posterolateral left ventricular lead positions provide greater clinical and echocardiographic benefit in CRT recipients compared to anterior lead positions.
May inform CRT lead positioning strategies; extends observational data but leaves randomized confirmation open.
Cardiac resynchronization therapy recipients are profiting from all lead positions. However, LV lead placed in the AL and PL positions is more preferential for achieving optimal CRT benefit than leads placed in the anterior position.
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Dong et al. (2012) studied this question.
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