Document Detail

Retrospective analysis of mode survival, reliability of atrial sensing and incidence of atrial tachyarrhythmias in 307 single-lead VDD pacemaker patients.
MedLine Citation:
PMID:  16891329     Owner:  NLM     Status:  MEDLINE    
AIMS: The aim of this retrospective analysis was to investigate VDD mode survival, development of atrial tachyarrhythmias (AT), and long-term atrial sensing performance of VDD pacing systems. METHODS AND RESULTS: We implanted single-lead VDD pacemakers in patients with isolated atrioventricular block and performed a retrospective analysis of 307 patients who had their devices implanted between May 1994 and September 2001. In 39 patients (12.7%), the pacing mode had to be reprogrammed to a single-chamber ventricular pacing mode, mostly due to permanent AT. In 16 of these patients, the atrial sensing safety margin was less than 150%. The atrial sensing safety margin was insufficient, i.e. less than 100% in only seven patients. Although only 12 (3.9%) of the patients had a history of paroxysmal AT at the time of pacemaker implantation, 200 (65%) patients presented with AT during follow-up. The mean AT burden at the last follow-up was 2.5%. CONCLUSION: These data illustrate that single-lead VDD pacemakers can be applied without serious complications in a highly selected group of patients. Our main concern is the development of AT in a large part of our population. Over a 10-year period, two thirds of our patients presented with AT.
Igor Zupan; Luka Lipar; David Zizek; Wim Boute; Masa Vidmar; Tone Gabrijelcic; Peter Rakovec; Ales Brecelj
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Publication Detail:
Type:  Journal Article     Date:  2006-08-04
Journal Detail:
Title:  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     Volume:  8     ISSN:  1099-5129     ISO Abbreviation:  Europace     Publication Date:  2006 Oct 
Date Detail:
Created Date:  2006-09-26     Completed Date:  2007-01-19     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  100883649     Medline TA:  Europace     Country:  England    
Other Details:
Languages:  eng     Pagination:  855-8     Citation Subset:  IM    
Department of Cardiology, University Medical Centre Ljubljana, Zaloska 7, 1000 Ljubljana, Slovenia.
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MeSH Terms
Cardiac Pacing, Artificial / methods
Heart Block / therapy
Pacemaker, Artificial*
Retrospective Studies
Tachycardia, Ectopic Atrial / etiology*

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