Why the study?
Does polyurethane insulation increase stiffness and the incidence of high threshold exit block in bipolar pacing leads compared to silicone rubber insulation?
Does polyurethane insulation increase stiffness and the incidence of high threshold exit block in bipolar pacing leads compared to silicone rubber insulation?
Polyurethane bipolar pacing leads are stiffer than silicone rubber leads, which may contribute to a higher incidence of high threshold exit block.
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Stiffer polyurethane leads may raise exit block risk in animals; leaves open human lead selection implications.
Mond et al. (1990) studied this question.
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