World Journal of Cardiovascular Diseases

Volume 8, Issue 2 (February 2018)

ISSN Print: 2164-5329   ISSN Online: 2164-5337

Google-based Impact Factor: 0.38  Citations  

Clinical Profile of the Patients with Newly Detected Left Bundle Branch Block in the Outpatient Department

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DOI: 10.4236/wjcd.2018.82014    1,253 Downloads   4,433 Views  Citations
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ABSTRACT

Objective: The purpose of this study was to evaluate cardiac features associated with newly detected left bundle branch block (LBBB) in the outpatient department. Methods: A total of 57 patients with LBBB pattern were evaluated using electrocardiography (ECG). Patients were assessed based on their sex, age, detailed history, and cardiovascular symptoms. Cardiac investigations including ECG and echocardiography were performed. Results:The study included 30 (52.6%) males and 27 (47.5%) females, aged between 35 and 80 years. Dyspnoea (35.1%) and chest pain (22.8%) were the most common symptoms. 54.4% were hypertensive and 17.5% were diabetics. 28% had Left ventricular systolic dysfunction, and 24.5% had aortic valve disease. Left ventricular hypertrophy without any other structural heart disease was present in 28% of the patients. Only 24.5% patients presented with LBBB had a structurally normal heart in echocardiography. Myocardial performance index in echocardiography was abnormal in LBBB irrespective of the presence of structural heart disease. Conclusion: The prevalence of LBBB was found to increase with age and had slight male preponderance. Dyspnoea on effort was the most common presenting complaint, followed by chest pain and incidental detection of ECG abnormality. Most of the patients were hypertensive. Only 24.5% patients with LBBB had a structurally normal heart. MPI was abnormally high in the presence of LBBB despite having a normal left ventricular ejection fraction.

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Benjamin, B. (2018) Clinical Profile of the Patients with Newly Detected Left Bundle Branch Block in the Outpatient Department. World Journal of Cardiovascular Diseases, 8, 143-151. doi: 10.4236/wjcd.2018.82014.

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