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著者: Rikke Esberg Kirkfeldt, Henning Rud Andersen, Jens Cosedis Nielsen, DANPACE Investigators
雑誌名: Europace. 2013 Aug;15(8):1166-73. doi: 10.1093/europace/eut039. Epub 2013 Feb 28.
Abstract/Text
AIMS: To investigate the indications for system upgrade with single lead atrial pacing (AAIR), complications associated with these re-interventions, and possible predictors for system upgrade among patients included in the Danish Multicenter Randomized Trial on AAIR vs. dual-chamber pacing (DDDR) in sick sinus syndrome (DANPACE).
METHODS AND RESULTS: A total of 707 of 1415 patients were randomized to AAIR pacing. Mean follow-up was 5.5 ± 2.6 years. Information on indications for system upgrade and complications were collected by reviewing patient charts. Multiple logistic regression was used to estimate adjusted odds ratios (aOR) with 95% confidence intervals (CI) for the association between predictors and system upgrade. Sixty-six patients (9.3%) in the AAIR group underwent system upgrade. Fifty-nine of these patients (89.3%) had a documented class I indication for system upgrade. Age (aOR 0.98 for each 1-year increase in age; 95% CI 0.6-1.0), and left atrial enlargement (aOR 1.9; 95% CI 1.0-3.8) were predictors for system upgrade. No single clinically applicable predictor for upgrade was identified. A total of 11 patients (16.7%) experienced at least one major complication after system upgrade.
CONCLUSION: The majority of patients with AAIR pacing who underwent system upgrade had a class I indication. The incidence of major complications after system upgrade was high. The present data support the use of DDDR pacing rather than AAIR pacing in sick sinus syndrome.
PMID 23449923 Europace. 2013 Aug;15(8):1166-73. doi: 10.1093/europace/eut039. Epub 2013 Feb 28.
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