Postoperative pulmonary complications(PPCs) is a common complication in patients undergoing surgery under general anesthesia, particularly in obese patients. Relevant studies have shown that PPCs are more common in patients undergoing laparoscopic sleeve gastrectomy, which contribute to significant increases in morbidity, mortality, length of postoperative hospital stay and medical consumption. According to some reports, the incidence of PPCs in obese patients after abdominal surgery is about 40%. The reduction in pulmonary volume and respiratory muscular activation after major abdominal surgery due to surgery-related shallow breathing, pain, longterm bed rest, mucociliary clearance disorder, and diaphragmatic dysfunction may be the main causes of PPCs. Numerous studies have demonstrated physiological improvement related to prone positioning. Prone positioning consists of placing a patient face down. Prone positioning has been used for to improve oxygenation in patients who require invasive mechanical ventilation for acute respiratory distress syndrome (ARDS). It has also been applied to non-intubated patients with acute respiratory failure (ARF), to improve oxygenation and delay or even avoid the need for invasive ventilation. So, the purpose of this study is to observe whether preoperative prone position training can reduce the incidence of pulmonary complications after laparoscopic sleeve gastrectomy.
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The incidence of postoperative pulmonary complications(PPCs)
Timeframe: 3 days after surgery