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- Title
Effect of the modified snorkel mask as noninvasive ventilatory support in patients with acute hypoxemic respiratory failure due to COVID-19.
- Authors
Montalvo, Raul; Castro, Eyner; Rojas, Janet; Camargo, Carlos; Ninahuanca, Carina
- Abstract
Background The shortage of mechanical ventilators during the COVID-19 pandemic led doctors to use alternative noninvasive ventilation systems, including a modified snorkel mask. Data on the use of the modified snorkel mask is limited. Purpose The study aims to describe the effect and clinical characteristics of patients with COVID-19 treated with a snorkel mask and to investigate the factors associated with the failure to use noninvasive ventilation with a snorkel mask. Methods In this retrospective observational study, adult patients with COVID-19 who were treated with a snorkel mask at Daniel Alcides Carrion Hospital of Huancayo-Perú were selected. Results Of the 390 patients included, 158 (20.5%) received noninvasive ventilation with a snorkel, 84 (53.2%) patients were discharged alive without intubation, and the mortality rate was 22%. In the control group that received standard treatment, 129 patients (55.6%) failed (i.e., deceased or admitted to a mechanical ventilator). The mortality rate was 33.2%. ROX index < 4.8, consolidation-type tomographic pattern, and the presence of complications, such as bacterial pneumonia or thromboembolism, were independently associated with a higher risk of noninvasive ventilation failure with snorkels. Conclusions Using the snorkel system resulted in an absolute mortality reduction of 11%, and recovery increased by 15% compared to the standard treatment system. Therefore, this device can be used as an acceptable alternative in the absence of mechanical ventilators.
- Subjects
PERU; MEDICAL masks; HOSPITALS; LENGTH of stay in hospitals; COVID-19; RESPIRATORY insufficiency; SCIENTIFIC observation; RETROSPECTIVE studies; OXYGEN saturation; FISHER exact test; MANN Whitney U Test; REGRESSION analysis; COMPARATIVE studies; DESCRIPTIVE statistics; CHI-squared test; KAPLAN-Meier estimator; COVID-19 testing; DATA analysis software; ACUTE diseases; DISEASE risk factors
- Publication
Canadian Journal of Respiratory Therapy, 2023, Vol 59, p1
- ISSN
1205-9838
- Publication type
Article
- DOI
10.29390/001c.83254