Why the study?
Does increasing left ventricular pacing output improve response in CRT nonresponders?
Does increasing left ventricular pacing output improve response in CRT nonresponders?
Increasing left ventricular pacing output may be a useful optimization strategy for patients who do not respond to standard CRT optimization.
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Higher LV output may aid select CRT nonresponders; leaves open need for prospective validation beyond case reports.
We report a patient who did not improve after standard optimization of atrioventricular and intraventricular pacing timing, but showed response to cardiac resynchronization therapy (CRT) after increasing left ventricular (LV) pacing output. Increasing LV pacing output is one of the useful optimization methods for CRT nonresponder.
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Ishibashi et al. (2016) studied this question.
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