PMID: 8945038Nov 1, 1996Paper

Evolution of atrial signals from a single lead VDD pacemaker. AddVent European Multicentre Study Group

Pacing and Clinical Electrophysiology : PACE
M Papouchado, J C Crick

Abstract

The atrial sensing capabilities of a new single pass lead VDD pacing system (Pacesetter AddVent) were assessed in a prospective multicenter study of 101 implants during the period July 1994 through March 1996. The pacing lead (Pacesetter AV Plus) has a unique quadripolar 4-in-line connector and uses a pair of ring electrodes with an interelectrode spacing of 12 mm for atrial sensing. The mean age of the patients (51 men) was 73 years (range 19-91). Seventy-five patients had complete heart block; the others had 2:1 AV block. Wide variations were found in signal amplitude: mean P wave amplitude, measured over four cycles in the supine position, was 2.4 +/- 1.9 mV at implant, dropping to 1.9 +/- 1.7 mV predischarge, and remaining constant at follow-up but with a narrower range. Holter monitoring was undertaken in 24 patients, with a total of 550 monitored hours. Mean AV synchrony was 98.2% +/- 4.6% (excluding premature ventricular contractions), with 20 patients (83%) showing > 99% AV synchrony, with atrial sensing at 0.1 mV where needed. No oversensing was observed in any patient. There was a low incidence of atrial fibrillation (2%) and sinus bradycardia (0%). The findings show that the range of atrial signals, although wide ini...Continue Reading

References

Nov 1, 1994·Pacing and Clinical Electrophysiology : PACE·I E OvsyshcherC Bondy
Sep 1, 1994·Pacing and Clinical Electrophysiology : PACE·G E Antonioli

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Citations

May 15, 2002·The American Journal of Cardiology·John A ChiladakisAntonis S Manolis
May 12, 1998·The American Journal of Cardiology·S RosenheckM S Gotsman
Jul 6, 2010·Europace : European Pacing, Arrhythmias, and Cardiac Electrophysiology : Journal of the Working Groups on Cardiac Pacing, Arrhythmias, and Cardiac Cellular Electrophysiology of the European Society of Cardiology·Chin-Chou HuangChi-Woon Kong
May 5, 2005·Clinical Cardiology·Chun-Yao HuangChi-Woon Kong
Mar 10, 2000·Cardiology Clinics·G H Crossley
Feb 17, 1999·Pacing and Clinical Electrophysiology : PACE·C ButterJ Neuzner
Jan 21, 2000·Pacing and Clinical Electrophysiology : PACE·Y GuyomarA Dutoit

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