PMID: 8946451Nov 1, 1996Paper

Dual sensor VVIR mode pacing: is it worth it?

Pacing and Clinical Electrophysiology : PACE
N SulkeC Bucknall

Abstract

Dual sensor ventricular demand rate responsive (VVIR mode) pacing was compared with single sensor rate responsive pacing to assess whether this new development should be more widely incorporated in modern pacemaker devices. A within patient randomized, double-blind crossover study involving ten patients, mean age 67.4 years (70% male), had Medtronic Legend Plus dual sensor VVIR pacemakers implanted for high grade AV block and chronic or persistent paroxysmal atrial fibrillation. Performance values were compared to 20 healthy control subjects of a similar age and gender. Patients were both subjectively and objectively assessed after 2 weeks of out-of-hospital activity in VVIR mode (minute ventilation sensing), VVIR mode (activity sensing), VVIR mode (dual sensor), and VVI mode (no rate response). All patients were assessed for subjective preference for, and objective improvement in, any pacing modality as assessed by standardized daily activity protocols and graded exercise treadmill testing. Subjective perception of exercise capacity and functional status was significantly lower in VVI mode (P < 0.05) compared to any of the VVIR modes, which did not differ. After completion of the study 70% of patients chose VVIR as their prefe...Continue Reading

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Citations

Aug 1, 1997·Clinical Cardiology·S S Barold, H S Barold
Nov 21, 2000·The American Journal of Cardiology·C W Israel, S H Hohnloser
Aug 21, 2008·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·Eugeniusz PilatWlodzimierz Kargul
Jan 31, 2006·Pacing and Clinical Electrophysiology : PACE·Luigi PadelettiS Serge Barold
Mar 10, 2000·Cardiology Clinics·S K Leung, C P Lau
Mar 19, 2019·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·Andreas GoetteUNKNOWN ESC Scientific Document Group
Aug 5, 1998·Herz·A Schuchert, T Meinertz

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