August 1, 1999Pacing and Clinical Electrophysiology
Defibrillation Thresholds are Increased by Right‐Sided Implantation of Totally Transvenous Implantable Cardioverter Defibrillators
Why the study?
Does right-sided ICD implantation increase defibrillation thresholds compared to left-sided implantation in patients receiving initial transvenous ICDs?
Population
290 patients receiving transvenous systems at the time of initial implantable cardioverter defibrillator…
Comparison
Right-sided ICD implantation, including both… vs Left-sided ICD implantation (n=271).
Design
Cohort
Authors
Discussion
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Member takes
Implication
Right-sided ICD placement was associated with higher DFTs; leaves open whether active-can preference improves outcomes in prospective studies.
Structured PICO
Does right-sided ICD implantation increase defibrillation thresholds compared to left-sided implantation in patients receiving initial transvenous ICDs?
P
Population
290 patients receiving transvenous systems at the time of initial implantable cardioverter defibrillator (ICD) implantation.
I
Intervention
Right-sided ICD implantation (n=19), including both active can and cold can systems.
C
Comparator
Left-sided ICD implantation (n=271).
O
Outcome
Defibrillation threshold (DFT) measured by stepdown to failure at the time of implantation.surrogate
Right-sided ICD implantation significantly increases defibrillation thresholds compared to left-sided placement, though using active can devices can help lower thresholds when right-sided access is clinically mandated.
Cite This Study
Friedman et al. (1999) studied this question.