肺切除后氧化受损:发生率和外科手术期间的危险因素
Alexander Nagrebetsky1, Min Zhu1, Hao Deng1
1Department of Anesthesia, Critical Care and Pain Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA.
Journal of clinical anesthesia
|May 8, 2024
概括
手术后的氧化损伤在肺切除后很常见,影响超过70%的患者. 手术期间可修改的呼吸因子增加了这种风险,突出了改善患者结果的领域.
科学领域:
- 麻醉学和呼吸系统医学
- 手术结果研究研究.
背景情况:
- 肺切除手术可能导致术后氧化损害,这是肺损伤的潜在指标.
- 肺部保护管理策略越来越多地用于胸部手术的机械通风.
研究的目的:
- 为了确定肺切除后手术后氧化受损的发生率.
- 在肺保护性通风的背景下,确定与这种损伤相关的外科手术期间的风险因素.
主要方法:
- 一项基于注册的回顾性队列研究涉及3081名在美国两个主要学术医院接受肺切除的患者.
- 使用因果推断框架分析了手术前和手术期间的变量,以评估它们与氧化功能受损的关联.
- 氧化受损是根据特定的标准来定义的,包括低氧和度 (SpO2),低部分氧气压与吸入氧气比率 (PaO2/FiO2) 的比例,或需要在手术后七天内进行密集氧气治疗.
主要成果:
- 超过70%的患者经历了肺切除后的氧化受损,其中26.6%经历了严重的损伤 (PaO2 / FiO2 <200 mmHg或需要密集的氧气治疗).
- 增加的手术内驱动压力,吸入氧气分数 (FiO2) 和正极呼气压 (PEEP) 与较高的氧化受损风险显著相关.
- 慢性阻塞性肺病 (COPD) 的病史和手术内服用阿尔布特罗尔也被确定为术后氧化损害的可靠预测因素.
结论:
- 手术后氧化功能受损是肺切除后的常见并发症.
- 在外科手术期间,潜在的可修改的呼吸管理因素与患上术后氧化损伤的风险有关,这表明了干预的目标.
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