Why the study?
Does overtorquing of endocardial pacing leads alter pacing impedances and tissue distortion in swine and human hearts?
Does overtorquing of endocardial pacing leads alter pacing impedances and tissue distortion in swine and human hearts?
Instantaneous impedance values obtained during fixation correlate with tissue distortion and can serve as a superior indicator of acceptable lead implantation to prevent overtorquing.
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Impedance monitoring may flag overtorquing in animal models; hypothesis-generating for human lead implantation guidance.
Laske et al. (2005) studied this question.
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