ArticleAnatolian journal of cardiology2024
Disturbed Atrial Conduction in Patients with Duchenne Muscular Dystrophy.
Article in Anatolian journal of cardiology, 2024. 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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Who cites it
1 citing paper in PubMed, 1 synthesis or guideline pooled it.
- Diagnostic and Prognostic Utility of Mitral Annular Plane Systolic Excursion: A Systematic Review and Meta-Analysis.Journal of the American Heart Association · 2026Pooled it
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Authors and funding
2 authors.
Funding
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Abstract
backgroundDuchenne muscular dystrophy (DMD)-related cardiomyopathy is associated with hemodynamic and conduction abnormalities and begins at an early age with subtle symptoms.
methodsThe study population included 55 patients with DMD and 54 healthy controls. We compared electrocardiogram (ECG), conventional echocardiography, and tissue Doppler imaging (TDI) assessments between patients with DMD and healthy controls. Also, we investigated atrial electromechanical delay, which has not been previously studied in DMD patients. Mitral, septal, and tricuspid segments were analyzed by TDI.
resultsThe mean age was 13.6 ± 2.5 years (range, 9.3-17.9 years) in the patient group and 12.8 ± 2.6 years (range, 8-17.5 years) in the control group (P = .1). Patients had higher heart rates, longer QTc intervals, and P-wave dispersion (PWD) than controls (P < .001, P = .004, P < .001, respectively). The patient group had larger left ventricular end-systolic dimension (P < .001), lower left ventricular ejection fraction (EF) (P < .001), MAPSE (P < .001), TAPSE (P < .001), and mitral-E/A (P = .029) values than control subjects. Myocardial performance index (P < .001) was higher, and the E'/A' ratio (P < .001) was lower at all 3 segments in the patient group. Also, atrial electromechanical delay was longer in the patient group at these segments (P < .001). Patients had significantly longer interatrial (P = .033) electromechanical conduction delays. EF was negatively correlated with atrial conduction time variables.
conclusionWe have shown deterioration in systolic and diastolic function in both ventricles, PWD, and atrial conduction in children with DMD. Patients with DMD may be at risk of atrial arrhythmias due to disturbed atrial conduction.
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