Dynamics of bioimpedanceometry indices in young men with normal body weight in the treatment of community-acquired pneumonia

Abstract

Two groups of men aged 18-44 years were studied. 73 men with normal body weight (body mass index from 18,9 to 24,9 kg/m2, X±δ=22±1,4) were selected for the group of patients with community-acquired pneumonia of a mild course. Control group – 105 practically healthy men with normal body weight (body mass index from 19 to 24,7 kg/m2, X±δ=22,5±1,4). The study of the body composition was performed using bioimpedance scales (fat analyzer «Tanita BC-545N» (Japan)). In the group of patients, bioimpedansometry was performed on admission to a medical institution, on the 3-rd, 7-th and 15-th days after the disease, in the control group also on the 1-st, 3-rd, 7-th, 15-th day of the examination. Analysis of the components of the body composition in men in patients with community-acquired pneumonia of a mild course at different stages of treatment suggests a statistically significant decrease in the total water content compared to the first day of treatment of the disease, which increased only by the 7-th day of the disease, but did not reach the 1 day. At certain stages of the disease, the parameters of total muscle mass with water, body mass index, total fat content changed. The index of total muscle mass with water had lower values compared with the 1st day of the disease, reaching the minimum values by the 3-th day of treatment of the disease. The body mass index of patients on the 7-th day of the disease was significantly lower than on the 1st day. In the dynamics of the total fat content at the treatment stages, the tendency to change its values was inversely proportional to the total water content. Bioimpedance measurement can adequately and timely detect changes in body composition in patients with pneumonia, thereby helping to optimize treatment.

Keywords

pneumonia / community-acquired pneumonia / bioimpedansometry / bioimpedanceometry indices / bioimpedance scales / diagnostic analyzer of the fat mass / component body composition / total water content / body mass index / water imbalance

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