ArticleBMJ case reports2023
NKX2-5 genetic mutation in a young woman with an atrial septal defect presenting with complete heart block: ICD or bradycardia pacemaker?
Article in BMJ case reports, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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1 citing paper in PubMed, 0 citations in OpenAlex.
- A novel NKX2-5 mutation causing atrial septal defect and high-degree atrioventricular block in a Chinese family.ESC heart failure · 2026Article
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Authors and funding
3 authors at 2 institutions in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
A woman in her 40s was admitted following syncope. The 12-lead ECG showed atrial fibrillation with slow ventricular response and suspected complete atrioventricular (AV) block. Cardiac monitoring demonstrated non-sustained monomorphic ventricular tachycardia (VT). Her medical history included surgical repair of an atrial septal defect (ASD) aged 4 years. The patient's mother died suddenly in her early 50s and also had an ASD. Given the patient's syncope, background of familial sudden cardiac death (SCD), suspicion of complete AV block and non-sustained VT, she received an implantable cardiac defibrillator (ICD). She underwent genetic testing, revealing a heterozygous NKX2-5 genetic mutation. The signature phenotype in NKX2-5 mutations is ASD with AV conduction disturbance and an increased risk of SCD secondary to ventricular arrhythmias or severe bradycardia. SCD has been described in NKX2-5 mutation carriers despite functioning permanent pacemakers (PPMs). Therefore, we propose implantation of a preventive ICD, as opposed to a PPM.
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