PMID: 8945033Nov 1, 1996Paper

Use of automatic mode change between DDD and AAI to facilitate native atrioventricular conduction in patients with sick sinus syndrome or transient atrioventricular block

Pacing and Clinical Electrophysiology : PACE
H MayumiK Tokunaga

Abstract

The benefits of the automatic DDD (DDD/AMC) mode in the Chorus II pacemaker (Chorus 6234; Ela Medical Inc.), which automatically switches the modes between DDD and AAI to respect spontaneous AV conduction as much as possible in AAI while preserving safety pacing in DDD during paroxysmal AV block (AVB) only, remain unproven. This study examined the functions of the DDD/AMC mode in 12 patients with sick sinus syndrome (SSS; n = 10) or paroxysmal complete AVB (n = 2). A short-term (24 hours) comparative study between simple DDD mode and the DDD/AMC mode was performed in 8 of the 12 patients, and a medium-term (55.2 +/- 54.6 days) follow-up of the DDD/AMC mode was completed in all 12 patients. A comparative pair of 24-hour surface Holter ECGs was obtained in 6 of the 8 patients in the short-term study. Telemetry and built-in Holter histograms were collected in the outpatient clinic in all 12 patients. Although the percentage atrial pacing of the telemetry increased from 59.2 +/- 35.4 in DDD to 70.4 +/- 31.8 in DDD/AMC (P < 0.009; n = 8), the percentage ventricular pacing decreased from 64.6 +/- 37.7 in DDD to 36.2 +/- 43.1 in DDD/AMC (P < 0.027) in the short-term study. In particular, the reduction of percentage ventricular pacing ...Continue Reading

References

Jul 1, 1990·Pacing and Clinical Electrophysiology : PACE·M Limousin, J L Bonnet
Dec 1, 1990·Pacing and Clinical Electrophysiology : PACE·S GirodoO Malherbe
Nov 1, 1986·Pacing and Clinical Electrophysiology : PACE·R Sutton, R A Kenny
Jul 1, 1989·Pacing and Clinical Electrophysiology : PACE·S E LitwinS K Huang

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Citations

Jan 1, 2000·Herzschrittmachertherapie & Elektrophysiologie·E HimmrichUNKNOWN Multi-Mode-Switch-Studiengruppe
Nov 21, 2000·The American Journal of Cardiology·J NeuznerJ Sperzel
Jan 21, 2010·The American Journal of the Medical Sciences·Ren Xue-JunGuo Jihong
Aug 17, 2005·Journal of Cardiovascular Electrophysiology·Michael O SweeneyUNKNOWN Marquis MVP Download Investigators
Feb 1, 2008·Pacing and Clinical Electrophysiology : PACE·Helmut PürerfellnerGoran Milasinovic
Apr 27, 2005·Heart Rhythm : the Official Journal of the Heart Rhythm Society·Michael O SweeneyTodd Sheldon
Apr 12, 2005·The American Journal of Cardiology·S Serge BaroldMichael O Sweeney
Jun 3, 2004·Journal of the American College of Cardiology·HenningRud Andersen, JensCosedis Nielsen
Mar 21, 1998·Pacing and Clinical Electrophysiology : PACE·S S Barold, H S Barold
Jun 16, 2005·Pacing and Clinical Electrophysiology : PACE·Christoph MelzerHeinz Theres
Apr 12, 2006·Pacing and Clinical Electrophysiology : PACE·Brian OlshanskyDarin R Lerew
Apr 22, 2006·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·Gerd FröhligAmel Amblard

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