Why the study?
Does positioning the transvenous anode in the left brachiocephalic vein compared to the superior vena cava improve the defibrillation threshold in patients undergoing defibrillator implantation?
Does positioning the transvenous anode in the left brachiocephalic vein compared to the superior vena cava improve the defibrillation threshold in patients undergoing defibrillator implantation?
Positioning the defibrillation anode in the left brachiocephalic vein does not generally improve defibrillation thresholds compared to the standard superior vena cava position, though individual patients may benefit.
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BCV positioning does not lower DFT versus SVC in this cohort; leaves open whether individualized anode selection improves defibrillation outcomes.
Block et al. (1995) studied this question.
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