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首页> 外文期刊>Best practice & research:Clinical anaesthesiology >Prevention and reversal of lung collapse during the intra-operative period
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Prevention and reversal of lung collapse during the intra-operative period

机译：术中预防和预防肺萎陷

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General anaesthesia induces ventilation/perfusion mismatch by lung collapse. Such lung collapse predisposes patients to preoperative complications since it can persist for several hours or days after surgery.Atelectasis can be partially prevented by using continuous positive airway pressure (CPAP) and/or by lowering Fio_2 during anaesthesia induction. However, these manoeuvres are dangerous for patients presenting with challenging airway or ventilator conditions. Lung recruitment manoeuvres (RMs) are ventilatory strategies that aim to restore the aeration of normal lungs. They consist of a brief and controlled increment in airway pressure to open up collapsed areas of the lungs and sufficient positive end-expiratory pressure (PEEP) to keep them open afterward. The application of RMs during anaesthesia normalises lung function along the intra-operative period. There is physiological evidence that patients of all ages and any kind of surgery benefit from such an active intervention. The effect of RMs on patient outcome in the postoperative period is, however, not yet known.
机译：全身麻醉会因肺萎陷而引起通气/灌注不匹配。这种肺塌陷使患者容易发生术前并发症，因为它可以在手术后持续数小时或数天。通过使用持续的气道正压通气（CPAP）和/或在麻醉诱导期间降低Fio_2可以部分预防肺不张。但是，这些操作对于气道或呼吸机条件恶劣的患者来说是危险的。肺募集演习（RM）是旨在恢复正常肺部通气的通气策略。它们包括呼吸道压力的短暂且受控的增加以打开肺部的塌陷区域，以及足够的正呼气末正压（PEEP）使其随后保持打开状态。麻醉期间RM的应用可在术中使肺功能正常化。有生理证据表明，所有年龄段的患者和任何类型的手术都将从这种积极的干预中受益。然而，RMs对术后患者预后的影响尚不清楚。

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