Source: Annual Congress 2010 - State of the art imaging
Disease area: Pulmonary vascular diseases

Abstract

Purpose: The aim of this study was to evaluate right atrium (RA) remodeling in patients with chronic obstructive pulmonary disease (COPD) complicated by pulmonary artery hypertension (PAH).
Material and Methods: 90 males with COPD, complicated by PAH (mean age 59±7 years) were studied. All patients underwent two-dimensional echocardiography. RA minor-axis dimension was evaluated from the apical 4-chamber view. RA volume was evaluated from the apical and subcostal 4-chamber views (Simpson‘s method).
Results: RA minor-axis dimension was 24.5±2.5 mm/m². RA volume from the apical 4-chamber view was 36.0±3.5 ml/m². RA volume from the subcostal 4-chamber view was 36.5±3.5 ml/m². There were significant correlations between systolic pulmonary artery pressure (SPAP) and RA minor-axis dimension (r=0.65; p=0.001), SPAP and RA volume from the apical 4-chamber view (r=0.70; p=0.001), SPAP and RA volume from the subcostal 4-chamber view (r=0.74; p=0.001).
Conclusions: Our study confirmed RA remodeling in patients with COPD complicated by PAH. RA volume evaluation (Simpson‘s method) from the apical and subcostal 4-chamber views is simple noninvasive method for diagnostic of RA remodeling in patients with PAH.

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Citations should be made in the following way:
V. Pyankov, Y. Chuyasova, E. Poyarkova (Russian Federation). Evaluation of right atrium remodeling in patients with COPD complicated by pulmonary artery hypertension. Eur Respir J 2010; 36: Suppl. 54, 5290

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