Bmc pulmonary medicine incidence of oxygen desaturation using high-flow nasal cannula versus facemask during flexible bronchoscopy in patients at risk of hypoxemia: randomised controlled trial

HIGHLIGHTS

• who: Kang-Jie Xie et al. from the This study was approved by the local ethics committee (IRB-2021-33)All participants signed a written informed consent form prior to the study. A total of , patients were screened, among whom , completed the study and had their results analysed at the Cancer Hospital of the University of Chinese Academy of Sciences (Zhejiang Cancer Hospital) from March to April, . The study was registered at(ChiCTR2100044105) on, . Both outpatients and inpatients undergoing FB were recruited for this study. The most frequent indications for bronchoscopy were radiologic changes suggestive of tumours . . .
  

   

  

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