Key result
Dual anodal ring pacemakers are linked to ~11% inappropriate ventricular inhibition versus single ring models.
Why the study?
Does the design of the Gemini 415A DDD pacemaker (dual vs. single anodal rings) affect the incidence of cross-talk?
Population
89 patients implanted with Gemini 415A DDD pacemakers.
Comparison
Gemini 415A DDD pacemaker with dual… vs Gemini 415A DDD pacemaker with a single anodal…
Design
Cohort
Authors
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Dual anodal ring design may increase cross-talk risk with incompatible leads; leaves open whether modern pacemakers share similar vulnerabilities.
Observational (n=89)
Does the design of the Gemini 415A DDD pacemaker (dual vs. single anodal rings) affect the incidence of cross-talk?
Absolute Event Rate: 11.3% vs 0%
Cross-talk in the Gemini 415A DDD pacemaker is a design-dependent phenomenon occurring only in models with dual interconnected anodal rings when used with non-Cordis leads.
BEAVER et al. (1986) conducted an observational in Pacemaker implantation (n=89). Gemini 415A DDD pacemaker with dual anodal rings vs. Gemini 415A DDD pacemaker with single anodal ring was evaluated on Cross-talk (inappropriate ventricular inhibition). Cross-talk manifesting as inappropriate ventricular inhibition occurred in 11.3% of patients with dual anodal ring Gemini 415A pacemakers compared to 0% with single anodal ring models.
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