ArticleAnatolian journal of cardiology2023
Clinical Characteristics and Mid-term Follow-up in Children with Isolated Complete Atrioventricular Block.
Article in Anatolian journal of cardiology, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper, 1 of them a synthesis that pooled it.
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1 citing paper in PubMed, 1 synthesis or guideline pooled it, 6 citations in OpenAlex.
- Brazilian Guideline for Exercise Testing in Children and Adolescents - 2024.Arquivos brasileiros de cardiologia · 2024Guideline
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Authors and funding
8 authors at 1 institution in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundIsolated complete atrioventricular block is a rare disease often associated with maternal autoantibodies. This study aimed to present the midterm data of patients at our clinic diagnosed with isolated complete atrioventricular block.
methodsWe evaluated 108 patients diagnosed with isolated complete atrioventricular block. Demographic data of the patients, electrocardiography, echocardiography, 24-hour Holter monitoring data, and follow-up and complications of the patients who underwent pacemaker implantation were evaluated retrospectively.
resultsThe mean age of the patients at diagnosis was 5.51 ± 5.05 years. At the time of diagnosis, 74.8% of the patients had no symptoms associated with complete atrioventricular block. The most common symptom was fatigue. Pacemaker implantation was needed in 88 (81.4%) patients during follow-up. Significant bradycardia was the most common pacemaker implantation indication. The mean battery life was 5.41 ± 2.65 years. The battery replacement-free period of 68 patients who underwent pacemaker implantation and continued their follow-up was 4.18 ± 2.89 (0.1-10) years. Pacemaker-related complications developed in 8 patients during follow-up. Left ventricular dysfunction developed (dyssynchrony induced) in 3 patients at follow-up, and all were paced from the right ventricular anterior wall. Those patients underwent cardiac resynchronization therapy and their left ventricular dysfunction improved.
conclusionIsolated complete atrioventricular block is a rare disease requiring careful clinical follow-up. Patients are often asymptomatic and significant bradycardia is the most common indication for pacemaker implantation. Left ventricular dysfunction is an important cause of morbidity, especially in patients with right ventricular anterior wall pacing. Physicians should be aware of left ventricular dysfunction during follow-up. Cardiac resynchronization therapy should be considered as a treatment option for left ventricular dysfunction.
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