Why the study?
Does biventricular endocardial pacing or multisite epicardial pacing improve acute haemodynamic response compared to conventional CRT in patients with a previously implanted CRT system?
Does biventricular endocardial pacing or multisite epicardial pacing improve acute haemodynamic response compared to conventional CRT in patients with a previously implanted CRT system?
Biventricular endocardial pacing provides superior acute haemodynamic response compared to conventional CRT, though the optimal pacing modality is highly site-specific and varies between individuals.
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Site-optimized biventricular endocardial pacing may improve acute response versus conventional CRT; hypothesis-generating and requires randomized outcome trials before practice change.
Shetty et al. (2014) studied this question.
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