Cryotherapy is the treatment with cold; physiotherapeutic procedure, the action of which is based on the response of the body to hypothermia of the outer (receptor) layer of the skin. A study was conducted on the basis of the State institution "Scientific and Practical Medical Rehabilitation and Diagnostic Center of the Ministry of Health of Ukraine". To assess the condition of patients undergoing the general extreme aerocryotherapy course, a list of examinations was developed. They allowed obtaining data on the presence of contraindications, the severity of a particular pathology, the dynamics of the condition of each patient during the course, more about functional studies like rheoencephalography and electroencephalography. Material and methods. Persons aged from 18 to 75 years were admitted to the course of general air cryotherapy, provided they underwent examinations in order to exclude contraindications to this type of treatment. Results and discussion. The analysis of rheoencephalographic parameters of the brain allowed us to evaluate vascular tone, amplitude, and blood circulation of the subjects. Conducting an electroencephalogram indicated a qualitative and quantitative analysis of the functional state of the brain and its reactions under the action of stimuli. Electroencephalography analysis revealed the frequency components of the electroencephalography signals and determined their power in the delta, theta, alpha, beta 1 and beta 2 ranges. Thus, dominant rhythms (alpha and delta) were detected with normal and subdominant (delta and theta) rhythms in lungs and pronounced. A systematic course of exposure to an extremely low temperature on the human body led to the activation of a number of interconnected adaptive-compensatory mechanisms that helped reduce stress and optimize the functioning of body systems by decreasing the activity of the central one, increasing the activity of the autonomous regulation loop and reducing the activity of the humoral regulation link. Conclusion. The obtained data showed that the passage of general extreme aerocryotherapy in people with vascular disorders did not lead to overstrain of the homeostatic parameters of the thermoregulation system, cardio-respiratory system, and the blood system of the body, which indicated the effectiveness and safety of this technique in complex treatment. Thus, cryotherapy is a safe, effective method and can be used for this category of patients.
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