Structural and functional features of the heart and exercise tolerance in patients with chronic heart failure with low ejection fraction depending on body mass index
Abstract
Over time, patients with heart failure experience a significant change in the geometric parameters of the heart and a decrease in exercise tolerance.
The aim of the study. To analyze the relationship between the structural characteristics of the heart and exercise tolerance with body mass index (BMI) in patients with chronic heart failure (CHF) with low ejection fraction (EF) of left ventricle (LV).
Material and methods. Echocardioscopic phenotyping was performed in 78 patients with NYHA type II-III CHF with LV EF less than 40% (53 men and 25 women, average age 66.3±7.9 years old), as well as assessment of exercise tolerance before and after therapy.
Results. Initially, the best indicators of the structural and geometric characteristics of the left ventricle, as well as parameters of exercise tolerance, were recorded in patients with a normal BMI. Against the background of CHF therapy, the greatest positive dynamics in the form of improved structural and geometric characteristics of the heart, as well as increased exercise tolerance, was also noted in the cohort of patients with normal body weight.
About the Authors
E. B. Vakhitova
ФГБОУ ВО «Уральский государственный медицинский университет» Минздрава России
Russian Federation
Russian Federation
O. M. Khromtsova
ФГБОУ ВО «Уральский государственный медицинский университет» Минздрава России
Russian Federation
Russian Federation
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Review
For citations:
Vakhitova E.B., Khromtsova O.M. Structural and functional features of the heart and exercise tolerance in patients with chronic heart failure with low ejection fraction depending on body mass index. Bashkortostan Medical Journal. 2025;20(1):5-10. (In Russ.)
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