• BMC anesthesiology · Nov 2019

    Randomized Controlled Trial

    Hypoxia preconditioning attenuates lung injury after thoracoscopic lobectomy in patients with lung cancer: a prospective randomized controlled trial.

    • Wenjing Zhang, Mo Chen, Hongbin Li, Jia Yuan, Jingjing Li, Feixiang Wu, and Yan Zhang.
    • Department of Anesthesiology, Zhoushan Hospital, No.739 Dingshen Street, Zhoushan, Zhejiang, China.
    • BMC Anesthesiol. 2019 Nov 11; 19 (1): 209.

    BackgroundHypoxic preconditioning (HPC) may protect multiple organs from various injuries. We hypothesized that HPC would reduce lung injury in patients undergoing thoracoscopic lobectomy.MethodsIn a prospective randomized controlled trial, 70 patients undergoing elective thoracoscopic lobectomy were randomly allocated to the HPC group or the control group. Three cycles of 5-min hypoxia and 3-min ventilation applied to the nondependent lung served as the HPC intervention. The primary outcome was the PaO2/FiO2 ratio. Secondary outcomes included postoperative pulmonary complications, pulmonary function, and duration of hospital stay.ResultsHPC significantly increased the PaO2/FiO2 ratio compared with the control at 30 min after one-lung ventilation and 7 days after operation. Compared with the control, it also significantly improved postoperative pulmonary function and markedly reduced the postoperative hospital stay duration. No significant differences between groups were observed in the incidence of pulmonary complications or overall postoperative morbidity.ConclusionsHPC improves postoperative oxygenation, enhances the recovery of pulmonary function, and reduces the duration of hospital stay in patients undergoing thoracoscopic lobectomy.Trial RegistrationThis study was registered in the Chinese Clinical Trial Registry (ChiCTR-IPR-17011249) on April 27, 2017.

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