Acute respiratory failure has been and remains one of the main problems of modern medicine. Among the large number of high-tech methods of treating acute respiratory failure, adequate moisture and warming of the upper respiratory tract of the patient at all stages of the respiratory therapy are important. It should be noted that ensuring optimal moistening and warming of the inhaled gas mixture allows to avoid the development of many pulmonary complications. On the other hand, even with the use of the most modern treatment methods, inadequate microclimate in the upper respiratory tract can significantly reduce the effectiveness of their use. Thus, maintaining an adequate microclimate in the upper airways is normal, with various bronchopulmonary diseases and in conditions of respiratory support will improve the functional state of the lungs, prevent the development of many complications, reduce material costs and duration of treatment, reduce the mortality of this patient population. Despite the existence of the large database, the question of choosing the most effective technology to ensure homeostasis and protection of the upper respiratory tract in different clinical situations with different methods of respiratory support is still relevant. This dictates the necessity of continuing the research in this direction. This review is devoted to the current state of the problem of moistening, warming and filtering the breathing mix under conditions of prosthetic respiratory function.
Asynchronies (desynchronies, dyssynchrony) is a disturbance of the harmonious interaction between the patient’s respiratory system and а ventilator. Asynchronies occur as a result of various reasons and with any form of respiratory support (non-invasive, assisted or fully controlled mechanical ventilation). Asynchrony is a significant cause of biomechanics and gas exchange disorders in the development of both self-injury and ventilator-induced lung injury, an increase of the respiratory support duration and mortality in patients with respiratory failure. Understanding the mechanisms of the asynchrony pathogenesis and assessment of the patient’s respiratory system condition make it possible to timely identify and resolve disturbance of the patient-ventilator interactions. The article presents a classification, the main causes of development, diagnostic and correction methods of different variants of desynchronies in patients with respiratory disorders during of respiratory support.
Respiratory biomechanics of the lungs describes the static and dynamic state of the human respiratory system in normal and in various pathological conditions. Assessment of respiratory biomechanics indicators is one of the most important tools for reasoned optimization of respiratory support parameters. Modern ventilators have wide opportunities for monitoring the biomechanics of respiration, which helps to optimize the parameters of the patient’s respiratory pattern. Expert class ventilators provide an opportunity for in-depth monitoring of biomechanics, which is extremely important in the treatment of severe respiratory disorders. The review presents the basics of the lungs respiratory biomechanics, the principles for assessing its indicators, interpretation and application in clinical practice.
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