• JNMA J Nepal Med Assoc · Jan 2021

    Echocardiographic Findings in Patients with Atrial Fibrillation in a Tertiary Care Center of Nepal: A Descriptive Cross-sectional Study.

    • Smriti Shakya, Ratna Mani Gajurel, Chandra Mani Poudel, Hemant Shrestha, Surya Devkota, and Sanjeev Thapa.
    • Department of Cardiology, Manmohan Cardio-Thoracic Vascular and Transplant Centre (MCVTC), Institute of Medicine, TUTH, Kathmandu, Nepal.
    • JNMA J Nepal Med Assoc. 2021 Jan 31; 59 (233): 46-50.

    IntroductionAtrial fibrillation is the most prevalent supraventricular arrhythmia responsible for the large morbidity and mortality burden worldwide. There are various causes of atrial fibrillation that may affect the prognosis of patients. This study was intended to determine different echocardiographic findings in patients with atrial fibrillation in a tertiary care center.MethodsA descriptive cross-sectional study was conducted at Manmohan Cardiothoracic Vascular and Transplant Center, Institute of Medicine, among 175 patients with atrial fibrillation admitted in the cardiology department from June 2017 to October 2018. It was approved by the Institutional Review Board of the Institute of Medicine (Ref.:411(6-11-E)2/073/074). Convenience sampling was used. Statistical analysis was done using Statistical Package for Social Sciences version 21.0.ResultsA total of 175 patients with atrial fibrillation were enrolled where Rheumatic heart disease 68 (38.9%) was the leading cause in which 54 (79.4%) had mitral valve lesion, 1 (1.5%) had aortic valve lesion and rest had a combination of both. The mixed lesion of mitral stenosis and mitral regurgitation was the commonest. The left atrium size was larger in valvular atrial fibrillation (47.296±651mm). The left ventricular systolic dysfunction was seen more in non-valvular atrial fibrillation. The commonest site of thrombus formation was left atrium 7 (63.6%).ConclusionsAtrial fibrillation was common in rheumatic heart disease, especially mixed lesions of mitral stenosis and regurgitation. Valvular atrial fibrillation had a larger left atrium. The thrombus was seen in mitral stenosis and left ventricular systolic dysfunction. The left atrium size and left ventricular ejection fraction were associated with the occurrence of atrial fibrillation.

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