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Quality of life in patients with complete heart block and paroxysmal atrial tachyarrhythmias: a comparison of permanent DDIR versus DDDR pacing with mode switch to DDIR

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Abstract
A prospective double-blind randomized crossover study was done in 15 patients with complete heart block and intermittent ATs. The pacemaker was randomly programmed to dual chamber inhibited rate responsive pacing (DDIR) and to DDDR: with mode switch, for I month each. An event recorder was given to the patients and after each period, a QOL questionnaire was obtained. Based on telemetric data, all but two patients had AT during follow-up. The duration and frequency of these episodes were not related to mode settings. AV synchrony was better preserved in DDDR (P < 0.05). Most symptom-related event recordings during DDIR showed lass of AV synchrony:. DDDR with mode switch caused symptoms due to tracking of ST. Overall the QOL score was not different between the modes. Fen er somatic complaints were noted during DDDR pacing than during baseline. DDIR stimulation showed no difference. Twelve patients preferred the period of DDDR pacing; one experienced severe symptoms during DDIR. In conclusion, patients with paroxysmal AT, DDDR with mode switch, and DDIR had no influence on the occurrence, nor on the duration of AT episodes. Air synchrony was better preserved in DDDR, which was also associated with fewer somatic complaints compared to the baseline. In DDDR, symptoms iz ere observed when ST was tracked. QOL was comparable, although more patients preferred DDDR.
Keywords
atrial fibrillation, ablation, dual chamber pacing, mode switching, quality of life, rate responsive pacing, SICK-SINUS SYNDROME, FIBRILLATION, ALGORITHM, MANAGEMENT, PROGNOSIS, ABLATION, DISEASE

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Chicago
Provenier, Frank, Hedwig Boudrez, Jean Claude Deharo, Pierre Djiane, and Luc Jordaens. 1999. “Quality of Life in Patients with Complete Heart Block and Paroxysmal Atrial Tachyarrhythmias: a Comparison of Permanent DDIR Versus DDDR Pacing with Mode Switch to DDIR.” Pace-pacing and Clinical Electrophysiology 22 (3): 462–468.
APA
Provenier, F., Boudrez, H., Deharo, J. C., Djiane, P., & Jordaens, L. (1999). Quality of life in patients with complete heart block and paroxysmal atrial tachyarrhythmias: a comparison of permanent DDIR versus DDDR pacing with mode switch to DDIR. PACE-PACING AND CLINICAL ELECTROPHYSIOLOGY, 22(3), 462–468.
Vancouver
1.
Provenier F, Boudrez H, Deharo JC, Djiane P, Jordaens L. Quality of life in patients with complete heart block and paroxysmal atrial tachyarrhythmias: a comparison of permanent DDIR versus DDDR pacing with mode switch to DDIR. PACE-PACING AND CLINICAL ELECTROPHYSIOLOGY. 1999;22(3):462–8.
MLA
Provenier, Frank, Hedwig Boudrez, Jean Claude Deharo, et al. “Quality of Life in Patients with Complete Heart Block and Paroxysmal Atrial Tachyarrhythmias: a Comparison of Permanent DDIR Versus DDDR Pacing with Mode Switch to DDIR.” PACE-PACING AND CLINICAL ELECTROPHYSIOLOGY 22.3 (1999): 462–468. Print.
@article{173497,
  abstract     = {A prospective double-blind randomized crossover study was done in 15 patients with complete heart block and intermittent ATs. The pacemaker was randomly programmed to dual chamber inhibited rate responsive pacing (DDIR) and to DDDR: with mode switch, for I month each. An event recorder was given to the patients and after each period, a QOL questionnaire was obtained. Based on telemetric data, all but two patients had AT during follow-up. The duration and frequency of these episodes were not related to mode settings. AV synchrony was better preserved in DDDR (P {\textlangle} 0.05). Most symptom-related event recordings during DDIR showed lass of AV synchrony:. DDDR with mode switch caused symptoms due to tracking of ST. Overall the QOL score was not different between the modes. Fen er somatic complaints were noted during DDDR pacing than during baseline. DDIR stimulation showed no difference. Twelve patients preferred the period of DDDR pacing; one experienced severe symptoms during DDIR. In conclusion, patients with paroxysmal AT, DDDR with mode switch, and DDIR had no influence on the occurrence, nor on the duration of AT episodes. Air synchrony was better preserved in DDDR, which was also associated with fewer somatic complaints compared to the baseline. In DDDR, symptoms iz ere observed when ST was tracked. QOL was comparable, although more patients preferred DDDR.},
  author       = {Provenier, Frank and Boudrez, Hedwig and Deharo, Jean Claude and Djiane, Pierre and Jordaens, Luc},
  issn         = {0147-8389},
  journal      = {PACE-PACING AND CLINICAL ELECTROPHYSIOLOGY},
  keyword      = {atrial fibrillation,ablation,dual chamber pacing,mode switching,quality of life,rate responsive pacing,SICK-SINUS SYNDROME,FIBRILLATION,ALGORITHM,MANAGEMENT,PROGNOSIS,ABLATION,DISEASE},
  language     = {eng},
  number       = {3},
  pages        = {462--468},
  title        = {Quality of life in patients with complete heart block and paroxysmal atrial tachyarrhythmias: a comparison of permanent DDIR versus DDDR pacing with mode switch to DDIR},
  url          = {http://dx.doi.org/10.1111/j.1540-8159.1999.tb00474.x},
  volume       = {22},
  year         = {1999},
}

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