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术后肺部并发症与术中通气关系密切,肺保护性通气策略( LPVS)能够减少急性肺损伤/急性呼吸窘迫综合征( ALI/ARDS)患者呼吸机相关性损伤,改善患者氧合,获得较好的预后。小潮气量通气、呼气末正压通气( PEEP)及肺复张策略( RMs)在临床中应用广泛。然而,机械通气并非仅限于ALI/ARDS患者,相比之下,全麻手术人群基数较为巨大,LPVS是否同样适用于该部分人群一直存在争议。“,”Postoperative pulmonary complications ( PPCs) is closely associated with intraoperative venti-lation,and lung protective ventilation strategy(LPVS) can reduce the ventilator associated injury of patients with acute lung injury and acute respiratory distress syndrome ( ALI/ARDS ) , improve oxygenation in patients,and obtain better prognosis.Low tidal volume ventilation,positive end expiratory pressue(PEEP) and recruitment maneuvers(RMs) have been widely used in clinical practice.However,mechanical ventila-tion is not limited to patients with ALI/ARDS,comparatively,general anesthesia operation has a huge popula-tion base,and whether LPVS is applicable to this part of population has long been controversial.