Clinical experience of high-flow nasal cannula oxygen therapy in severe corona virus disease 2019 (COVID-19) patients.
10.3785/j.issn.1008-9292.2020.03.13
- Author:
Guojun HE
1
;
Yijiao HAN
1
;
Qiang FANG
2
;
Jianying ZHOU
3
;
Jifang SHEN
4
;
Tong LI
5
;
Qibin PU
1
;
Aijun CHEN
1
;
Zhiyang QI
1
;
Lijun SUN
1
;
Hongliu CAI
2
Author Information
1. Department of Respiratory Therapy, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310003, China.
2. Intensive Care Unit, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310003, China.
3. Department of Respiratory Medicine, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310003, China.
4. Department of Infectious Diseases, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310003, China.
5. Department of Emergency, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310003, China.
- Publication Type:Journal Article
- MeSH:
Aged;
Betacoronavirus;
Cannula;
Coronavirus Infections;
complications;
therapy;
Humans;
Hypoxia;
etiology;
prevention & control;
therapy;
Masks;
Oxygen;
administration & dosage;
Oxygen Inhalation Therapy;
instrumentation;
standards;
Pandemics;
Pneumonia, Viral;
complications;
therapy
- From:
Journal of Zhejiang University. Medical sciences
2020;49(1):232-239
- CountryChina
- Language:Chinese
-
Abstract:
Acute respiratory failure due to acute hypoxemia is the major manifestation in severe coronavirus disease 2019 (COVID-19) induced by severe acute respiratory syndrome coronavirus 2 infection. Rational and effective respiratory support is crucial in the management of COVID-19 patients. High-flow nasal cannula (HFNC) has been utilized widely due to its superiority over other non-invasive respiratory support techniques. To avoid HFNC failure and intubation delay, the key issues are proper patients, timely application and improving compliance. It should be noted that elder patients are vulnerable for failed HFNC. We applied HFNC for oxygen therapy in severe and critical COVID-19 patients and summarized the following experiences. Firstly, to select the proper size of nasal catheter, to locate it at suitable place, and to confirm the nose and the upper respiratory airway unobstructed. Secondly, an initial flow of 60 L/min and 37℃ should be given immediately for patients with obvious respiratory distress or weak cough ability; otherwise, low-level support should be given first and the level gradually increased. Thirdly, to avoid hypoxia or hypoxemia, the treatment goal of HFNC should be maintained the oxygen saturation (SpO) above 95% for patients without chronic pulmonary disease. Finally, patients should wear a surgical mask during HFNC treatment to reduce the risk of virus transmission through droplets or aerosols.
