Medicina (Kaunas, Lithuania) · 2015
Impact of left ventricular function on health-related quality of life in coronary artery disease patients.
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Staniūtė Margarita, Vaškelytė Jolanta, Rumbinaitė Eglė, Kaminskaitė Birutė, Samsanavičienė Sigita, Plungienė Sigita, Brožaitienė Julija, Bunevičius Robertas
Аннотация
OBJECTIVE: The aim of the study was to investigate the relation between health-related quality of life (HRQoL) and left ventricular systolic and diastolic function parameters in stable coronary artery disease (CAD) patients with mild and moderate heart failure.
MATERIALS AND METHODS: This study included 758 CAD patients. Left ventricular ejection fraction (LVEF) and ratio of peak velocities of early (E) and late (A) diastolic mitral inflow, ratio E/A, deceleration time, isovolumic relaxation time were assessed. Patients completed the SF-36 questionnaire.
RESULTS: There were no strong and significant associations between echocardiographic measures and HRQoL in NYHA I-II class patients. In NYHA III class in univariate linear regression analyses significant associations were found between LVEF and physical functioning (β=0.230, P=0.009) and role limitations due to physical problems (β=0.230, P=0.009) and these associations remain significant after adjustment for age, gender, hypertension, angina pectoris class, nitrate, ACE inhibitors and diuretics use. E/A ratio was significantly associated only with mental health domain (β=0.188, P=0.048), and this association remains significant after all adjustments.
CONCLUSIONS: In stable CAD patients with NYHA I-II functional class HRQoL was not strongly associated with left ventricular function; in NYHA III functional class patients' greater systolic function mainly was associated with better physical health and better diastolic function, with better mental health.
MATERIALS AND METHODS: This study included 758 CAD patients. Left ventricular ejection fraction (LVEF) and ratio of peak velocities of early (E) and late (A) diastolic mitral inflow, ratio E/A, deceleration time, isovolumic relaxation time were assessed. Patients completed the SF-36 questionnaire.
RESULTS: There were no strong and significant associations between echocardiographic measures and HRQoL in NYHA I-II class patients. In NYHA III class in univariate linear regression analyses significant associations were found between LVEF and physical functioning (β=0.230, P=0.009) and role limitations due to physical problems (β=0.230, P=0.009) and these associations remain significant after adjustment for age, gender, hypertension, angina pectoris class, nitrate, ACE inhibitors and diuretics use. E/A ratio was significantly associated only with mental health domain (β=0.188, P=0.048), and this association remains significant after all adjustments.
CONCLUSIONS: In stable CAD patients with NYHA I-II functional class HRQoL was not strongly associated with left ventricular function; in NYHA III functional class patients' greater systolic function mainly was associated with better physical health and better diastolic function, with better mental health.