Why the study?
Does the type of pacemaker electrode (Elema 588 B vs Chardack 5818) affect the incidence of displacement or survival in patients with Adams-Stokes seizures?
Does the type of pacemaker electrode (Elema 588 B vs Chardack 5818) affect the incidence of displacement or survival in patients with Adams-Stokes seizures?
The risk of pacemaker electrode displacement is driven by underlying structural heart disease rather than the specific type of electrode or physician experience.
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Displacement risk appears driven by structural heart disease, not electrode type; hypothesis-generating for risk stratification in contemporary cohorts.
The implantation of a permanent pacemaker has been carried out on 159 patients suffering from Adams-Stokes seizures. Elema 588 B electrodes were implanted in 119 patients and Chardack 5818 electrodes in 40 patients. The two types of electrodes differ with regard to both the implantation technique and weight and thickness. No difference was found in the incidence of electrode displacement or survival between the two groups, similarly the experience of the physician with regard to implantation had no influence on the frequency of displacement. Displacement on the other hand occurred significantly more frequently in those patients suffering from heart disease demonstrable by x-ray examination.
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Johansen et al. (1976) studied this question.
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