Hypoperfusion, regardless of its cause always lead to respiratory failure. The reason is the lack of O2 transport to the respiratory muscles while excessive stress on these muscle areas (at about acidosis or sepsis). Mechanical ventilation helps to achieve a redistribution of blood volume from the excessively loaded respiratory muscles and toward the endangered organ areas such as central nervous system, kidneys and intestines.

Perioperative respiratory failure is usually caused by atelectasis. Among the most effective ways to prevent or treat atelectasis include inspiratory deep breathing exercises ( “incentive spirometry”), ensuring adequate analgesia in thoracic or abdominal surgery, an upright position of the patient and early mobilization. Atelectasis by an abdominal distension should be reduced depending on the causality (z. B. nasogastric suction at large air accumulation in the upper GI tract, ascites). Hypoperfusion, regardless of its cause always lead to respiratory failure. The reason is the lack of O2 transport to the respiratory muscles while excessive stress on these muscle areas (at about acidosis or sepsis). Mechanical ventilation helps to achieve a redistribution of blood volume from the excessively loaded respiratory muscles and toward the endangered organ areas such as central nervous system, kidneys and intestines.

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