Cricotracheostomy for patients with severe covid-19: a case control study

HIGHLIGHTS

• who: Naoki Mukai and colleagues from the This retrospective study was approved by the institutional review board of Ehime University Medical Hospital (No2108029). The need to obtain informed consent was waived because of the retrospective design. Instead, we presented the opportunity to decline to participate in this study to the patients, on our website. This study followed in accordance with the ethical standards of the institutional review board of Ehime University Medical Hospital and with the Declaration of Helsinki. Patients who were diagnosed with , and who required mechanical ventilation and cricotracheostomy at Ehime University Hospital between January . . .
  

   

  

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