What does this research mean for the field?

Using minute ventilation sensing to control the postventricular atrial refractory period (PVARP) in dual-chamber rate-adaptive pacemakers allows for a long resting PVARP without limiting maximum exercise rates, and combined with automatic mode switching, effectively limits ventricular rates during atrial arrhythmias while preserving physiological rate responses. Novelty: ClaimNovelty.INCREMENTAL. Consensus alignment: ConsensusAlignment.NEUTRAL.

October 1, 1992Pacing and Clinical Electrophysiology

Atrial Arrhythmia Management with Sensor Controlled Atrial Refractory Period and Automatic Mode Switching in Patients with Minute Ventilation Sensing Dual Chamber Rate Adaptive Pacemakers

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Why the study?

Does DDDR pacing with sensor-controlled PVARP and automatic mode switching improve maximum ventricular rate during exercise and prevent rapid tracking during atrial arrhythmias compared to DDD pacing in patients with bradycardias?

Population

13 patients with bradycardias implanted with minute ventilation sensing dual chamber rate adaptive pacemakers.

Comparison

Dual chamber rate adaptive pacing using minute… vs Dual chamber pacing without sensor-driven rate…

Design

Other

Authors

CLChu‐Pak LauUniversity of Hong Kong YTYau‐Ting TaiChinese University of Hong Kong PFPing‐Ching FongHong Kong College of Technology

Discussion

Member takes

Implication

DDDR may enable higher exercise rates than DDD in bradycardia patients; leaves open whether sensor PVARP improves arrhythmia protection.

Structured PICO

Population

13 patients with bradycardias implanted with minute ventilation sensing dual chamber rate adaptive pacemakers.

Intervention

Dual chamber rate adaptive pacing (DDDR mode) using minute ventilation sensing to shorten postventricular atrial refractory period (PVARP) during exercise, with automatic mode switching to VVIR during atrial arrhythmias.

Comparator

Dual chamber pacing (DDD mode) without sensor-driven rate adaptation at the same resting PVARP.

Outcome

Maximum ventricular rate during graded treadmill exercise tests.surrogate

Sensor-controlled PVARP with automatic mode switching in DDDR pacemakers allows appropriate physiological rate response during exercise while protecting against rapid ventricular tracking during atrial arrhythmias.

Cite This Study

Lau et al. (1992) studied this question.

synapsesocial.com/papers/6a1bc3181567d2fc4d5eec6e https://doi.org/10.1111/j.1540-8159.1992.tb02924.x

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Atrial Arrhythmia Management with Sensor Controlled Atrial Refractory Period and Automatic Mode Switching in Patients with Minute Ventilation Sensing Dual Chamber Rate Adaptive Pacemakers

Discussion

Member takes

Implication

Structured PICO

Cite This Study

Atrial Arrhythmia Management with Sensor Controlled Atrial Refractory Period and Automatic Mode Switching in Patients with Minute Ventilation Sensing Dual Chamber Rate Adaptive Pacemakers

Discussion

Member takes

Implication

Structured PICO

Cite This Study

Also Consider

Also Consider