Autoimmunity and Atrioventricular Block of Unknown Etiology in Adults

[...]it is unknown what proportion of patients with complete AV block of unidentified origin may be related to a previously diagnosed autoimmune disease or may even be the first clinical manifestation of it. After excluding 81 patients because of death (n = 12), loss to follow-up (n = 26), absence o...

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Bibliographic Details
Published in:Journal of the American College of Cardiology 2014-04, Vol.63 (13), p.1335-1336
Main Authors: Villuendas, Roger, MD, Olivé, Alejandro, MD, PhD, Juncà, Gladys, MD, Salvador, Iñaki, MD, Martínez-Morillo, Melania, MD, Santos-Pardo, Irene, MD, Pereferrer, Damià, MD, Zamora, Elisabet, MD, PhD, Bayes-Genis, Antoni, MD, PhD
Format: Article
Language:English
Subjects:
Autoimmune diseases
Cardiac arrhythmia
Cardiology
Cardiomyopathy
Cardiovascular
Cardiovascular disease
Heart
Internal Medicine
Rheumatic diseases
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Summary:[...]it is unknown what proportion of patients with complete AV block of unidentified origin may be related to a previously diagnosed autoimmune disease or may even be the first clinical manifestation of it. After excluding 81 patients because of death (n = 12), loss to follow-up (n = 26), absence of AV block (n = 17), and presence of cardiomyopathy or a well-defined cause of AV block (n = 26 [10, myotonic dystrophy; 8, valvular disease or cardiac surgery; 3, congenital AV block; 2, iatrogenic after catheter ablation; 1, chagasic cardiomyopathy; 1, congenital heart defect; 1, myocardial infarction]), 21 patients met the inclusion criteria (0.58% of the overall pacemaker population); however, 2 of the patients refused to sign the consent form (Fig. 1).
ISSN:0735-1097
1558-3597
DOI:10.1016/j.jacc.2013.10.086