hypoxemia

Anesthesia for thoracic surgery presents specific challenges since anesthesiologists have to manage patients with several comorbidities, apply One Lung Ventilation (OLV) to facilitate surgery and at the same time they should try to maintain adequate safe oxygen levels. Hypoxemia is a common consequence of OLV. The aim of the present retrospective study was to investigate the impact of intraoperative hypoxia on the early outcome of patients. Continue reading
Several prevention and treatment strategies have been applied in order to prevent hypoxemia after open heart surgery with comparable good results. The aim of this study is to compare the effectiveness of two different alveolar recruitment maneuvers [RM] for the management of oxygenation impairment in cardiac surgical patients. A total number of sixty patients were included in this study. All patients underwent cardiac surgical procedures with extracorporeal circulation and developed oxygenation impairment after withdrawal of extracirculation support and sternal closure. Patients were randomly assigned into two Groups A and B according to the applied RM. In Group A three hyperinflations of the lungs were applied at an airway pressure of 40cmH2O for 10 sec, whereas in Group B Pressure Control Ventilation was applied for 2min with the inspiratory pressure set at 40cmH2O. After application of any of the two RM, PEEP was increased from 5 to 10 cmH2O in all patients. Anesthesia induction and maintenance and mechanical ventilation settings were similar in both study Groups. Continue reading
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