Why the study?
Does CRT-D battery capacity measured by Ampere hour predict survival to elective replacement indicator?
Does CRT-D battery capacity measured by Ampere hour predict survival to elective replacement indicator?
CRT-D battery capacity measured by Ampere hour is a strong predictor of device longevity, with 1.0 Ah systems having a significantly higher rate of early depletion compared to 1.4 Ah or 2.0 Ah systems.
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May inform CRT-D selection to reduce replacements; leaves open prospective validation of Ah as longevity predictor.
Ellis et al. (2016) studied this question.
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