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Year : 2016  |  Volume : 4  |  Issue : 1  |  Page : 13-16

Assessment of cardiac dyssynchrony in Nigerian patients with dilated cardiomyopathy

1 Department of Medicine, Federal Medical Centre, Umuahia, Nigeria
2 Department of Medicine, Cardiology Unit, University of Teaching Hospital, Enugu, Nigeria
3 Department of Medicine, Federal Medical Centre, Umuahia; Department of Medicine, Cardiology Unit, University of Calabar Teaching Hospital, Calabar, Nigeria

Correspondence Address:
Kelechukwu Uwanuruochi
Department of Medicine, Federal Medical Centre, Umuahia, PMB 7001
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/2321-4848.183375

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Background: Interventricular, intraventricular, and atrioventricular dyssynchrony (AVD) have been reported in patients with dilated cardiomyopathy (DCM). However, the causes of DCM vary with the regional distribution in various etiologies, with expected differences in the pattern and frequency of cardiac dyssynchrony. Objective: The aim of this study was to evaluate cardiac dyssynchrony in patients with DCM by conventional echocardiographic assessment. Materials and Methods: Fifteen patients with DCM were studied. All patients underwent conventional Doppler echocardiographic evaluation including septal-to-posterior wall motion delay (SPWMD), interventricular motion delay (IVMD), and diastolic filling period. Results: Cardiac dyssynchrony was present in 13 of the 15 patients (86.7%). The overall frequencies of intra-left ventricular dyssynchrony (intra-LVD), interventricular dyssynchrony (inter-VD), and AVD are 38.5%, 30.8%, and 53.9%, respectively. Conclusion: The prevalence of dyssynchrony in our patients with DCM was significant. This raises the need for the development of local expertise in interventional cardiology including cardiac resynchronization therapy (CRT).

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