Why the study?
Does a 60-microF capacitor compared to a standard 120-microF capacitor reduce defibrillation threshold in patients undergoing ICD implantation?
Population
67 patients undergoing implantation of cardioverter-defibrillators using epicardial electrodes or one of…
Comparison
Smaller 60-microF capacitors (DFT60) vs Standard 120-microF capacitors (DFT120)
Design
Cross-sectional
Authors
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May support tailoring ICD capacitance to pathway resistance; leaves open prospective trials of clinical benefit.
Does a 60-microF capacitor compared to a standard 120-microF capacitor reduce defibrillation threshold in patients undergoing ICD implantation?
Optimal capacitance for implantable defibrillators is inversely related to pathway resistance, with 60-microF capacitors offering clinically important lower defibrillation thresholds for high-resistance pathways.
Swerdlow et al. (1994) studied this question.
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