Why the study?
Inappropriate ICD therapy is linked to adverse outcomes, and previous studies suggested CRT-D patients might have lower risk of inappropriate device activations than VVI or DDD ICD patients.
Does CRT-D reduce appropriate and inappropriate therapy and overall mortality compared to VVI or DDD ICDs in ICD recipients?
Population
1471 ICD recipients at a university cardiac center between 2000 - 2015
Comparison
CRT-D vs VVI-ICD vs DDD-ICD
Design
Single-center observational cohort study
Follow-up
Average 4.1 ± 3.6 years
Authors
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CRT-D was associated with fewer inappropriate shocks and lower mortality versus VVI-ICD; leaves open randomized confirmation versus DDD.
Does CRT-D reduce appropriate and inappropriate therapy and overall mortality compared to VVI or DDD ICDs in ICD recipients?
CRT-D recipients experience significantly lower rates of inappropriate shock therapy compared to VVI-ICD recipients, which may contribute to better overall survival.
Burger et al. (2020) studied this question.
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