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ORIGINAL ARTICLE
Year : 2020  |  Volume : 30  |  Issue : 3  |  Page : 125-130

Echocardiographic evaluation of right ventricular function and its role in the prognosis of chronic obstructive pulmonary disease


1 Department of Cardiology, Delhi Heart and Lung Institute, New Delhi, India
2 Department of Pulmonary Medicine, Delhi Heart and Lung Institute, New Delhi, India

Correspondence Address:
Sukhvinder Singh
Max Super-Speciality Hospital, Shalimar Bagh, New Delhi - 110 088
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/jcecho.jcecho_10_20

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Background: Chronic obstructive pulmonary disease (COPD) is associated with structural and mechanical changes in the pulmonary vascular bed that increase right ventricular (RV) afterload and subsequently right heart failure. Objectives: The aim of the study was to elucidate RV dysfunction at rest by echocardiography in a cohort of COPD patients and to study its impact on prognosis. Methods: 84 patients of COPD and 40 matching healthy controls were evaluated at baseline. Evaluation included clinical examination, pulmonary function tests; 6 minutes walk test and echocardiography. Patient with COPD were again evaluated after 6 months. Results: All echocardiographic parameters of RV function were significantly impaired in COPD patients as compared to controls. Clinical deterioration in COPD group was much more in patients with baseline abnormal RV function (89%) and patients with RV systolic pressure ≥35 mmHg (P = 0.018). All the six patients who died had three or more abnormal RV systolic function parameters. Conclusions: RV myocardial performance index and basal strain showed largest difference between controls and COPD cases. Clinical deterioration was more common in patients with abnormal RV function parameters and pulmonary hypertension.


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