October 1, 1989Pacing and Clinical Electrophysiology

Cross‐Talk in Bipolar Pacemakers

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Why the study?

Does high rate pacing in dual chamber bipolar pacemakers cause cross-talk?

Population

Phase 1: 6 dogs with complete heart block. Phase 2: 106 patients with implantable dual chamber bipolar…

Design

Cohort

Authors

WCWILLIAM COMBSMedtronic (United States)DRDwight ReynoldsElectrophysiology ASArjun D. SharmaSutter Health

Discussion

Member takes

Implication

Low cross-talk incidence supports high-rate pacing safety in bipolar DDD devices; leaves open blanking optimization in prospective studies.

Structured PICO

Does high rate pacing in dual chamber bipolar pacemakers cause cross-talk?

Population

Phase 1: 6 dogs with complete heart block. Phase 2: 106 patients with implantable dual chamber bipolar pacemakers.

Intervention

Dual chamber pacing at high rates (up to 160 ppm in dogs, up to 130+ ppm in humans)

Outcome

Incidence and mechanisms of cross-talk (ventricular sense amplifier output signals)surrogate

Cross-talk in bipolar DDD pacemakers has a low incidence and may be related to amplifier blanking and residual polarization voltage rather than atrial pacing energy coupling.

Limitations

Human data is too limited to independently support this hypothesis

Cite This Study

COMBS et al. (1989) studied this question.

synapsesocial.com/papers/6a972c8a760e81f9be85f956 https://doi.org/10.1111/j.1540-8159.1989.tb01840.x

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Implication

Low cross-talk incidence supports high-rate pacing safety in bipolar DDD devices; leaves open blanking optimization in prospective studies.

Cross‐Talk in Bipolar Pacemakers

Discussion

Member takes

Implication

Structured PICO

Limitations

Cite This Study

Cross‐Talk in Bipolar Pacemakers

Discussion

Member takes

Implication

Structured PICO

Limitations

Cite This Study

Also Consider

Also Consider