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Europace Advance Access published online on January 18, 2008
Europace, doi:10.1093/europace/eum288
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Published on behalf of the European Society of Cardiology. All rights reserved. © The Author 2007. For permissions please email: journals.permissions@oxfordjournals.org

Percent ventricular pacing with managed ventricular pacing mode in standard pacemaker population

Goran Milasinovic1,*, Karlheinz Tscheliessnigg2, Anthonie Boehmer3, Vladimir Vancura4, Andreas Schuchert5, Johan Brandt6, Christopher Wiggenhorn7, Maaike Hofman8 and Johannes Sperzel9

1 Clinical Center of Serbia, Belgrade, Serbia and Montenegro; 2 Universitäts Klinikum Graz, Graz, Austria; 3 Atrium Medisch Centrum, Heerlen, The Netherlands; 4 Institutu Klinické a Experimentální Medicíny, Prague, Czech Republic; 5 Universitätsklinikum Hamburg, Hamburg, Germany; 6 University Hospital Lund, Lund, Sweden; 7 Medtronic Inc., Minneapolis, MN, USA; 8 Medtronic Bakken Research Center, Maastricht, The Netherlands; 9 Kerckhoff-Klinik, Bad Nauheim, Germany

Aims: Unnecessary right ventricular pacing has deleterious effects and becomes more significant when cumulative percent ventricular pacing (Cum%VP) exceeds 40% of time. The Managed Ventricular Pacing (MVP) mode has been shown to significantly reduce the percent ventricular pacing compared to the DDD/R mode. This study assessed the percent of ventricular pacing in a standard pacemaker population programmed to MVP and for which patients it is possible to achieve a Cum%VP ≤ 40%.

Methods and results: Unselected, consecutive patients were implanted with a dual chamber pacemaker with a mean follow-up period of 76 days. The Cum%VP was calculated from device diagnostics between pre-hospital discharge (PHD) and the 1-month post implant visit. The median Cum%VP of 107 patients (age 67.2 ± 14 years; 53% male) who were programmed to MVP was 3.9%. The median Cum%VP was 1.4% in patients with sinus node disease (SND) and 28.8% in patients with AV block (AVB). Cum%VP ≤ 40% was observed in 72% of all patients, in 50% of AVB patients, and in 86% of SND patients.

Conclusion: The MVP mode is capable of achieving a low percent of ventricular pacing in a standard pacemaker population with SND and AVB. In addition, 72% of patients in MVP mode demonstrated Cum%VP ≤ 40%.

Key Words: Managed ventricular pacing, Ventricular pacing, Pacing algorithms, Sinus node disease, Atrioventricular block

* Corresponding author. Tel: +381 11 361 56 21; fax: +381 11 361 56 30. E-mail address: goran_milas{at}yahoo.com

Manuscript submitted 12 September 2007. Accepted after revision 10 December 2007.


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