The purpose of this study is to compare the defibrillation efficacy between the 50/50% tilt biphasic waveform and the Tuned biphasic waveform in patients with right-sided implants.
Current era implantable cardioverter defibrillators (ICDs) have high defibrillation efficacy. This has stimulated a debate about whether DFT testing should be performed at all.1-3 However, this dialog has primarily centered around left sided implants, a group that is characterized by a small incidence of high defibrillation thresholds (DFTs). The mechanism of phase duration programming to improve DFTs would seem to be most effectively applied to a group of patients with a high incidence of high DFTs such as right sided implants. This study therefore aims to prospectively evaluate direct phase duration programming on DFTs in right sided implants.
Study Type
OBSERVATIONAL
Enrollment
129
Intervention isn an ICD. Patients in experimental group will have their ICDs programmed to Tuned waveform and those in the control group will have their ICDs programmed to Fixed Tilt waveform.
Cleveland Clinic
Cleveland, Ohio, United States
True Design for Test (DFTs) in fixed tilt and tuned waveforms obtained in volts (V)
Time frame: Baseline
True DFTs in fixed tilt and tuned waveforms obtained in joules (J)
Time frame: Baseline
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