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Background: This study aimed to evaluate the impact of patients' positioning before and after intubation with mechanical ventilation, and after extubation on the lung function and blood oxygenation of patients with morbid obesity, who had a laparoscopic sleeve gastrectomy. Methods: , ASA I - II grade) who underwent laparoscopic sleeve gastrectomy at our hospital from June 2018 to January 2019 were enrolled in this prospective study. Before intubation, after intubation with mechanical ventilation, and after extubation, arterial blood was collected for blood oxygenation and gas analysis after posturing the patients at supine position or 30° reverse Trendelenburg position (30°-RTP). Results: before and after intubation with mechanical ventilation was significantly reduced at 30°-RTP compared to that at supine position. Conclusion: and oxygen index at 30°-RTP compared to that supine position.
Gao et al. (2022) studied this question.