We investigated the combination of the effect of a course of physiotherapy exercises with a weak low-frequency pulsed sound and a weak low-frequency pulsed infrared field on the electrical activity of the skin in children with latent tuberculosis infection and tuberculosis of the intrathoracic lymph nodes. It was found that the course carried out affects the autonomic regulation of cutaneous conduction, leads to an imbalance and subsequent restoration of the vegetative tone lost in the course of the disease, thereby strengthening the body's adaptive reserves and restoring the functional of regulatory systems.
The analysis of changes in skin-galvanic reactions in children with local forms of pulmonary tuberculosis was carried out in order to study the effect of course physiotherapy with a weak low-frequency impulse sound on the state of the autonomic nervous system and the effectiveness of adaptive reactions. Significant changes in the frequency of spontaneous reactions were detected under such an effect, which indicates the influence of physiological effects with stimulation of the system of vibration receptors on the adaptive activity of the child's body.
The analysis of changes in hemogram indicators in children with local forms of pulmonary tuberculosis was carried out in order to study the effect of course physiological effects of weak low-frequency impulse sound on the state of the autonomic nervous system and the effectiveness of adaptive reactions. It was found that physiological effects with stimulation of the system of vibration receptors have almost no effect on the performance of the general blood test: significant changes were found only in the absolute content of leukocytes and lymphocytes (the achieved significance level was 0.021 and 0.045, respectively).
The analysis of heart rate variability (HRV) was carried out in children with local forms of pulmonary tuberculosis, in order to study the effect of course physiotherapy with weak low-frequency pulse sound on the state of the autonomic nervous system and the effectiveness of adaptive reactions. Significant changes in some parameters of HRV were found with this effect. The nature of the effect of physiotherapy with stimulation of the vibroreceptor system requires more detailed study and an increase in the number of observations.
The effect of weak modulated infrared radiation on the indices of heart rate variability for children with localized forms of pulmonary tuberculosis during the standard medical treatment was studied.
The results of numerical simulation of application principal component analysis to absorption spectra of breath air of patients with pulmonary diseases are presented. Various methods of experimental data preprocessing are analyzed.
Absorption spectra of human breath in 10 μm region were recorded by the use of intracavity laser photo-acoustic gas analyzer based on tunable waveguide CO2 laser. Healthy persons and patients with various diseases were studied. For determination of CO2 concentration in exhalation samples gas analyzer was calibrated by reference gaseous mixture CO2-N2. It was obtained that CO2 concentration values in human breath of healthy persons are greater than that of patients with various diseases.
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