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Effect analysis on high-flow nasal cannula for typeⅠrespiratory failure in adults / 中国医师杂志
Journal of Chinese Physician ; (12): 1139-1142, 2020.
Article in Chinese | WPRIM | ID: wpr-867377
ABSTRACT

Objective:

To evaluate the efficacy and related factors of high-flow nasal cannula (HFNC) for the treatment of adult typeⅠ respiratory failure.

Methods:

The medical records of the subjects with acute hypoxemic respiratory failure supported by HFNC therapy in the medical intensive care unit between October 2017 and February 2019 were reviewed retrospectively. The patients′ baseline characteristics and the serial changes in the respiratory parameters after HFNC therapy at 1 and 24 hours were measured. Therapy success was defined as the avoidance of intubation. The subjects were divided into two groups.

Results:

Of the 75 eligible patients, 62.7%(47/75) belonged to success group. Overall, HFNC therapy significantly improved the physiologic parameters, such as partial pressure of arterial oxygen (PaO 2), saturation of arterial oxygen (SaO 2), respiratory rate (RR), and heart rate (HR), throughout the first 24 hours. After the adjustment for the other clinical variables, acute physiology and chronic health evaluation Ⅱ (APACHE Ⅱ), sequential organ failure assessment (SOFA), cardiogenic pulmonary edema, and PaO 2 improvement at 1 and 24 hours were associated with therapy success. The overall intensive mortality was 25.3%. However, out of 37.3% of the patients who required belonged to failure group, the mortality was 67.9%. The mortality in the failure group was associated with the use of a vasopressor and a limited PaO 2 improvement at 1 hour.

Conclusions:

HFNC can significantly improve the physiological parameters of adult patients with acute type I respiratory failure and avoid endotracheal intubation in some patients. The failure to improve oxygenation within 24 hours was a useful predictor of intubation. Among the failure group, the vasopressor use and failed oxygenation improvement were associated with mortality.
Full text: Available Index: WPRIM (Western Pacific) Type of study: Prognostic study Language: Chinese Journal: Journal of Chinese Physician Year: 2020 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Type of study: Prognostic study Language: Chinese Journal: Journal of Chinese Physician Year: 2020 Type: Article