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1.
Respir Med ; 185: 106474, 2021.
Artigo em Inglês | MEDLINE | ID: mdl-34044293

RESUMO

Hypoxemic respiratory failure is a common manifestation of COVID-19 pneumonia. Early in the COVID-19 pandemic, patients with hypoxemic respiratory failure were, at times, being intubated earlier than normal; in part because the options of heated humidified high flow nasal cannula (HFNC) and non-invasive ventilation (NIV) were considered potentially inadequate and to increase risk of virus aerosolization. To understand the benefits and factors that predict success and failure of HFNC in this population, we evaluated data from the first 30 sequential patients admitted with COVID-19 pneumonia to our center who were managed with HFNC. We conducted Cox Proportional Hazards regression models to evaluate the factors associated with high flow nasal cannula failure (outcome variable), using time to intubation (censoring variable), while adjusting for comorbidities and immunosuppression. In the majority of our patients (76.7%), the use of HFNC failed and the patients were ultimately placed on mechanical ventilation. Those at increased risk of failure had a higher sequential organ failure assessment score, and at least one comorbidity or history of immunosuppression. Our data suggest that high flow nasal cannula may have a role in some patients with COVID-19 presenting with hypoxemic respiratory failure, but careful patient selection is the likely key to its success.


Assuntos
COVID-19/complicações , Cânula/efeitos adversos , Ventilação não Invasiva/efeitos adversos , Oxigenoterapia/efeitos adversos , Pandemias , Insuficiência Respiratória/terapia , Idoso , Idoso de 80 Anos ou mais , COVID-19/epidemiologia , Falha de Equipamento , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Ventilação não Invasiva/instrumentação , Oxigenoterapia/instrumentação , Insuficiência Respiratória/etiologia , SARS-CoV-2
3.
J Clin Sleep Med ; 16(10): 1781-1784, 2020 10 15.
Artigo em Inglês | MEDLINE | ID: mdl-32844740

RESUMO

None: The last several years have seen intense debate about the issue of transitioning between standard and daylight saving time. In the United States, the annual advance to daylight saving time in spring, and fall back to standard time in autumn, is required by law (although some exceptions are allowed under the statute). An abundance of accumulated evidence indicates that the acute transition from standard time to daylight saving time incurs significant public health and safety risks, including increased risk of adverse cardiovascular events, mood disorders, and motor vehicle crashes. Although chronic effects of remaining in daylight saving time year-round have not been well studied, daylight saving time is less aligned with human circadian biology-which, due to the impacts of the delayed natural light/dark cycle on human activity, could result in circadian misalignment, which has been associated in some studies with increased cardiovascular disease risk, metabolic syndrome and other health risks. It is, therefore, the position of the American Academy of Sleep Medicine that these seasonal time changes should be abolished in favor of a fixed, national, year-round standard time.


Assuntos
Ritmo Circadiano , Fotoperíodo , Acidentes de Trânsito , Humanos , Estações do Ano , Sono , Estados Unidos
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