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- W2079589760 abstract "<b><i>Background:</i></b> Chronic obstructive pulmonary disease (COPD) is not only characterized by chronic airflow limitation, but is also a systemic disease. There is no information about alterations in right ventricle (RV) functions precipitated by systemic manifestations of COPD. <b><i>Objectives:</i></b> We aimed to evaluate the relationship between the BODE (body mass index, airflow obstruction, dyspnea, and exercise capacity) index that evaluates systemic manifestations of COPD and RV functions by means of 2-dimensional speckle-tracking echocardiography (2D-STE) in COPD patients. <b><i>Methods:</i></b> The study involved 135 COPD patients and 37 control subjects. All patients underwent 2D-STE, pulmonary function tests and 6-min walk tests, and were divided into quartiles according to their calculated BODE index score. <b><i>Results:</i></b> COPD patients had impaired RV and left-ventricle diastolic functions compared to controls. There was a decreasing trend from quartile 1 (Q<sub>1</sub>) to Q<sub>4</sub> in RV functional parameters, i.e. RV free wall strain (RVFW-S, p < 0.001), tricuspid annular plane systolic excursion (p < 0.001), systolic myocardial velocity (p < 0.001), RV fractional area change (p < 0.001), RV myocardial performance index (p < 0.001) and pulmonary artery systolic pressure (p < 0.001). The transmitral Doppler E wave/lateral mitral annular tissue Doppler E wave ratio was similar in the 4 BODE index quartiles (p = 0.159). Multivariate analysis was performed to find independent predictors of decreased RVFW-S (≤19.06), and the BODE index (in quartiles; OR 4.61 and 95% CI 1.85-11.63) was found to be an independent predictor. In a partial correlation analysis adjusted for forced expiratory volume in 1s % predicted, RVFW-S was correlated with the 6-min walk distance (r = 0.498). <b><i>Conclusion:</i></b> The BODE index, which can be easily evaluated in office settings, may provide information about reduced RV functions as well as guiding treatment and helping to predict prognosis<b> </b>in COPD patients." @default.
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- W2079589760 date "2014-01-01" @default.
- W2079589760 modified "2023-10-18" @default.
- W2079589760 title "The BODE Index, a Multidimensional Grading System, Reflects Impairment of Right Ventricle Functions in Patients with Chronic Obstructive Pulmonary Disease: A Speckle-Tracking Study" @default.
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- W2079589760 doi "https://doi.org/10.1159/000365222" @default.
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