• Hao Xu.
• Department of Critical Care Medicine, Wuxi No. 2 People's Hospital, Wuxi Jiangsu, China.
• Medicine (Baltimore). 2024 Jan 19; 103 (3): e35373e35373.

IntroductionAcute respiratory distress syndrome (ARDS) is an acute respiratory illness characterized by bilateral chest radiographic opacities and severe hypoxemia due to noncardiogenic pulmonary edema. However, ARDS due to sing lung injury is rare. In this article, we describe a case of a female patient who developed ARDS during surgery and 1-lung mechanical ventilation.MethodsA 53-year-old woman developed hypoxemia 2 days after undergoing thymoma excision. Antibiotics, diuretics, expectorants, and supportive treatment strategies (noninvasive positive-pressure breathing, high-flow nasal oxygen) were used for approximately 3 days after admission to the intensive care unit (ICU), but the patient's oxygen index continued to deteriorate. Considering the possibility of ARDS being induced by 1-lung mechanical ventilation, prone positioning, methylprednisolone, nintedanib, and acetylcysteine were administered.ResultOxygenation improves greatly after 23 days admitted to ICU. Chest computed tomography shows a real reversal of the disease. The patient was discharged from ICU 29 days after admission to the ICU and was discharged from the hospital after 36 days admitted to ICU.ConclusionIn this report, we describe a rare case of ARDS involved 1 lung, in which we successfully used noninvasive positive-pressure breathing, high-flow nasal oxygen, and prone positioning to succeed improvement of clinical outcomes. The use of the prone position has benefits in nonintubated patient with ARDS even involved 1 lung.Copyright © 2024 the Author(s). Published by Wolters Kluwer Health, Inc.

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