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BMJ Open Respir Res ; 8(1)2021 11.
Artigo em Inglês | MEDLINE | ID: mdl-34848495


INTRODUCTION: Respiratory high-dependency units (rHDUs) are used to manage respiratory failure in COVID-19 outside of the intensive care unit (ICU). The alpha variant of COVID-19 has been linked to increased rates of mortality and admission to ICU; however, its impact on a rHDU population is not known. We aimed to compare rHDU outcomes between the two main UK waves of COVID-19 infection and evaluate the impact of the alpha variant on second wave outcomes. METHODS: We conducted a single-centre, retrospective analysis of all patients with a diagnosis of COVID-19 admitted to the rHDU of our teaching hospital for respiratory support during the first and second main UK waves. RESULTS: In total, 348 patients were admitted to rHDU. In the second wave, mortality (26.7% s vs 50.7% first wave, χ2=14.7, df=1, p=0.0001) and intubation rates in those eligible (24.3% s vs 58.8% first wave, χ2=17.3, df=2, p=0.0002) were improved compared with the first wave. In the second wave, the alpha variant had no effect on mortality (OR 1.18, 95% CI 0.60 to 2.32, p=0.64). Continuous positive airway pressure (CPAP) (89.5%) and awake proning (85.6%) were used in most patients in the second wave. DISCUSSION: Our single-centre experience shows that rHDU mortality and intubation rates have improved over time in spite of the emergence of the alpha variant. Our data support the use of CPAP and awake proning, although improvements in outcome are likely to be multifactorial.

COVID-19 , Insuficiência Respiratória , Humanos , Insuficiência Respiratória/terapia , Estudos Retrospectivos , SARS-CoV-2
BMJ Open Respir Res ; 7(1)2020 09.
Artigo em Inglês | MEDLINE | ID: mdl-32928787


The SARS-CoV-2 can lead to severe illness with COVID-19. Outcomes of patients requiring mechanical ventilation are poor. Awake proning in COVID-19 improves oxygenation, but on data clinical outcomes is limited. This single-centre retrospective study aimed to assess whether successful awake proning of patients with COVID-19, requiring respiratory support (continuous positive airways pressure (CPAP) or high-flow nasal oxygen (HFNO)) on a respiratory high-dependency unit (HDU), is associated with improved outcomes. HDU care included awake proning by respiratory physiotherapists. Of 565 patients admitted with COVID-19, 71 (12.6%) were managed on the respiratory HDU, with 48 of these (67.6%) requiring respiratory support. Patients managed with CPAP alone 22/48 (45.8%) were significantly less likely to die than patients who required transfer onto HFNO 26/48 (54.2%): CPAP mortality 36.4%; HFNO mortality 69.2%, (p=0.023); however, multivariate analysis demonstrated that increasing age and the inability to awake prone were the only independent predictors of COVID-19 mortality. The mortality of patients with COVID-19 requiring respiratory support is considerable. Data from our cohort managed on HDU show that CPAP and awake proning are possible in a selected population of COVID-19, and may be useful. Further prospective studies are required.

Pressão Positiva Contínua nas Vias Aéreas/métodos , Infecções por Coronavirus/terapia , Oxigenoterapia/métodos , Posicionamento do Paciente/métodos , Pneumonia Viral/terapia , Decúbito Ventral , Idoso , Idoso de 80 Anos ou mais , Betacoronavirus , COVID-19 , Infecções por Coronavirus/mortalidade , Progressão da Doença , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Ventilação não Invasiva/métodos , Razão de Chances , Pandemias , Pneumonia Viral/mortalidade , Estudos Retrospectivos , SARS-CoV-2 , Resultado do Tratamento , Reino Unido , Vigília