Medizinische Universität Graz Austria/Österreich - Forschungsportal - Medical University of Graz
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SHR Neuro Krebs Kardio Lipid Stoffw Microb
Gillis, AM; Pürerfellner, H; Israel, CW; Sunthorn, H; Kacet, S; Anelli-Monti, M; Tang, F; Young, M; Boriani, G; Medtronic Enrhythm Clinical Study Investigators.
Reducing unnecessary right ventricular pacing with the managed ventricular pacing mode in patients with sinus node disease and AV block.
Pacing Clin Electrophysiol. 2006; 29(7): 697-705.
Doi: 10.1111/j.1540-8159.2006.00422.x
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- Co-Autor*innen der Med Uni Graz
- Anelli-Monti Michael
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- Abstract:
- BACKGROUND: Frequent and unnecessary right ventricular apical pacing increases the risk of atrial fibrillation or congestive heart failure. We evaluated a new pacing algorithm, managed ventricular pacing (MVP) which automatically changes modes between AAI/R and DDD/R in patients receiving pacemakers for symptomatic bradycardia. METHODS: Patients were randomized to the MVP mode or DDD/R mode for 1 month and then crossed over to the alternate pacing modality for an additional month. On completion of the crossover phase, the pacing mode selected was individualized and patients were followed for an additional 4 months. RESULTS: Of the 129 patients who successfully completed the crossover study, the cumulative percent ventricular pacing was significantly reduced in the MVP mode (median 1.4%) compared to the DDD/R mode (median 89.6%, 94.0% relative reduction; 95% CI 89.3-98.8%, P < 0.001). Patients with sinus node disease (SND, n = 51) when compared to patients with AV block (AVB) (n = 68) experienced a greater reduction in ventricular pacing with the MVP mode compared to the DDD/R mode (median relative reduction 99.1%; 95% CI 97.5-99.9% vs median relative reduction 60.1%; 95% CI 16.7-93.9% P < 0.001). The reduced percent ventricular pacing during MVP was sustained over longer term follow-up. CONCLUSIONS: The majority of patients with a bradycardia indication for cardiac pacing do not require ventricular pacing most of the time. The MVP mode significantly reduces unnecessary right ventricular pacing. This mode benefits even patients with intermittent AVB and is sustained over longer term follow-up.
- Find related publications in this database (using NLM MeSH Indexing)
- Aged -
- Algorithms -
- Atrioventricular Node - physiopathology
- Bradycardia - physiopathology
- Cardiac Pacing, Artificial - methods
- Female - methods
- Heart Block - physiopathology
- Humans - physiopathology
- Male - physiopathology
- Pacemaker, Artificial - physiopathology
- Sick Sinus Syndrome - physiopathology
- Sinoatrial Node - physiopathology
- Treatment Outcome - physiopathology
- Find related publications in this database (Keywords)
- atrial pacing
- ventricular pacing
- sinus node disease
- AV block