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作者:周语嫣
单位:四川大学华西医院
一、氧疗是一把双刃剑 (2)吸收性肺不张。 二、保守氧疗的理念 三、保守氧疗的临床研究 四、总结 保守性氧疗策略是安全可行的,目前指南推荐目标范围93%~96%或94%~98%,仍需进一步探索。对患者临床结局的影响,受患者原发疾病的影响,在存在缺血缺氧后(如心肺复苏术后、缺血缺氧性脑病)患者中,可能存在潜在的益处。保守性氧疗策略的目标应该是平衡氧供与氧耗的刚好状态,仍需要更多更高质量的研究来探索其合适的上限和下限以及获益人群。 参考文献 [1] Davis WB, Rennard SI, Bitterman PB, et al. Pulmonary oxygen toxicity. Early reversible changes in human alveolar structures induced by hyperoxia[J]. N Engl J Med, 1983, 309(15):878-83. [2] Asfar P, Singer M, Radermacher P. Understanding the benefits and harms of oxygen therapy[J]. Intensive Care Med, 2015, 41(6):1118-1121. [3] Brugniaux J V, Coombs G B, Barak O F, et al. Highs and lows of hyperoxia: physiological, performance, and clinical aspects[J]. Am J Physiol Regul Integr Comp Physiol, 2018, 315(1):R1-R27. [4] Hochberg C H, Semler M W, Brower R G. Oxygen Toxicity in Critically Ill Adults[J]. Am J Respir Crit Care Med, 2021, 204(6):632-641. [5] de Graaff A E, Dongelmans D A, Binnekade J M, et al. Clinicians' response to hyperoxia in ventilated patients in a Dutch ICU depends on the level of FiO2[J]. Intensive Care Med, 2011, 37(1):46-51. [6] Panwar R, Hardie M, Bellomo R, et al. Conservative versus Liberal Oxygenation Targets for Mechanically Ventilated Patients. A Pilot Multicenter Randomized Controlled Trial[J]. Am J Respir Crit Care Med, 2016, 193(1):43-51. [7] Girardis M, Busani S, Damiani E, et al. Effect of Conservative vs Conventional Oxygen Therapy on Mortality Among Patients in an Intensive Care Unit: The Oxygen-ICU Randomized Clinical Trial[J]. JAMA, 2016, 316(15):1583-1589. [8] ICU-ROX Investigators and the Australian and New Zealand Intensive Care Society Clinical Trials Group; Mackle D, Bellomo R, et al. Conservative Oxygen Therapy during Mechanical Ventilation in the ICU[J]. N Engl J Med, 2020, 382(11):989-998. [9] Schjørring O L, Klitgaard T L, Perner A, et al. Lower or Higher Oxygenation Targets for Acute Hypoxemic Respiratory Failure[J]. N Engl J Med, 2021, 384(14):1301-1311. [10] Barrot L, Asfar P, Mauny F, et al. Liberal or Conservative Oxygen Therapy for Acute Respiratory Distress Syndrome[J]. N Engl J Med, 2020, 382(11):999-1008. [11] Gelissen H, de Grooth H J, Smulders Y, et al. Effect of Low-Normal vs High-Normal Oxygenation Targets on Organ Dysfunction in Critically Ill Patients: A Randomized Clinical Trial[J]. JAMA, 2021, 326(10):940-948. [12] Helmerhorst H J, Arts D L, Schultz M J, et al. Metrics of Arterial Hyperoxia and Associated Outcomes in Critical Care[J]. Crit Care Med, 2017, 45(2):187-195. [13] Chu DK, Kim LH, Young PJ, et al. Mortality and morbidity in acutely ill adults treated with liberal versus conservative oxygen therapy (IOTA): a systematic review and meta-analysis[J]. Lancet, 2018, 391(10131):1693-1705. [14] van den Boom W, Hoy M, Sankaran J, et al. The Search for Optimal Oxygen Saturation Targets in Critically Ill Patients: Observational Data From Large ICU Databases[J]. Chest, 2020, 157(3):566-573. [15] Siemieniuk R A C, Chu D K, Kim L H, et al. Oxygen therapy for acutely ill medical patients: a clinical practice guideline[J]. BMJ, 2018, 363:k4169. [16] Piraino T, Madden M, Roberts K J, et al. AARC Clinical Practice Guideline: Management of Adult Patients With Oxygen in the Acute Care Setting[J]. Respir Care, 2022, 67(1):115-128. [17] Semler M W, Casey J D, Lloyd B D, et al. Oxygen-Saturation Targets for Critically Ill Adults Receiving Mechanical Ventilation[J]. N Engl J Med, 2022, 387(19):1759-1769. 作者简介 四川大学华西医院呼吸治疗科呼吸治疗师 四川大学华西临床医学院呼吸治疗系硕士 从事呼吸治疗设备方面研究 以第一作者发表相关论文2篇 参与编写多部呼吸治疗相关书籍 声明:本文仅用于学术内容的探讨和交流,不用于任何商业和推广,亦不作为最终的临床决策。临床实践需根据患者的具体情况选择适宜的处理措施。
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