What question did this study set out to answer?

Assess the feasibility, electrical stability, and sensing performance of a single pass lead VDD pacing system in patients with advanced atrioventricular block.

November 1, 1994Pacing and Clinical Electrophysiology

Clinical Evaluation of a New Single Pass Lead VDD Pacing System

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Why the study?

Does implantation of a single pass lead VDD pacemaker provide reliable atrial sensing and ventricular pacing in patients with second- to third-degree AV block?

Population

25 patients with second- to third-degree AV block and normal sinus function, mean age 60 +/- 18 years, 16…

Design

Case_series

Follow-up

6 months

Authors

IOI. Eli OvsyshcherBen-Gurion University of the Negev AKAmos KatzElectrophysiology CBCHAVA BONDYSoroka Medical Center

Discussion

Member takes

Implication

Single-pass VDD pacing may be feasible in AV block; leaves open confirmation of reliability in prospective randomized trials.

Key Points

Assess the feasibility, electrical stability, and sensing performance of a single pass lead VDD pacing system in patients with advanced atrioventricular block.
Prospective evaluation of N=25 patients (16 males; mean age 60 ± 18 years) with second- to third-degree atrioventricular block and normal sinus function.
Implantation of a VDD pacemaker with a single pass lead, with system performance analyzed on day 2 and at 1, 3, and 6 months post-implantation.
Mean atrial signal amplitude measured 3.9 ± 1.4 mV at implant, with stable follow-up values of 1.9 ± 1.3 mV (day 2), 1.5 ± 0.6 mV (1 month), 1.3 ± 0.8 mV (3 months), and 1.5 ± 1.1 mV (6 months).
Stable atrial sensing (≥ 0.7 mV) was sustained in 24 of 25 patients (96%), with intermittent sensing loss occurring in only one patient (0.25–0.5 mV).
Mean surgical implantation duration was 54.0 ± 17 minutes, with an average fluoroscopy time of 3.2 ± 1.3 minutes.

Structured PICO

Does implantation of a single pass lead VDD pacemaker provide reliable atrial sensing and ventricular pacing in patients with second- to third-degree AV block?

Population

25 patients with second- to third-degree AV block and normal sinus function, mean age 60 +/- 18 years, 16 males.

Intervention

Implantation of VDD pacemakers with a single pass lead (THERA VDD, Medtronic, Inc.)

Outcome

Atrial signal amplitude and pacing system electrical parameters at implantation and follow-up (second day, 1, 3, and 6 months)surrogate

Single pass lead VDD pacing is reliable and easy to manage, providing dependable atrial sensing and ventricular pacing up to 6 months.

Cite This Study

Ovsyshcher et al. (1994) studied this question.

synapsesocial.com/papers/6a700cf85d37378ac1dd1a85 https://doi.org/10.1111/j.1540-8159.1994.tb03763.x

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Clinical Evaluation of a New Single Pass Lead VDD Pacing System

Discussion

Member takes

Implication

Key Points

Structured PICO

Cite This Study

Clinical Evaluation of a New Single Pass Lead VDD Pacing System

Discussion

Member takes

Implication

Key Points

Structured PICO

Cite This Study

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