Characteristics and outcomes of asthmatic patients with COVID-19 pneumonia who require hospitalisation.
2020
Background Viral respiratory infections are the main causes of asthma exacerbation. The susceptibility of asthmatics to develop an exacerbation when they present with severe pneumonia due to SARS-CoV-2 infection is unknown. The objective of this study was to investigate the characteristics and outcomes of asthmatic patients with COVID-19 pneumonia who required hospitalisation during the spring 2020 outbreak in Paris, France. Methods A prospective cohort follow-up was carried out from March 15 to April 15, 2020 in Bicetre Hospital, University Paris-Saclay, France. All hospitalised patients with a SARS-CoV-2 infection who reported a history of asthma were included. Results Among 768 hospitalised patients, 37 (4.8%) reported a history of asthma, which had been previously confirmed by a pulmonologist in 85% of cases. Patients were mainly female (70%), non-smokers (85%), with a median age of 54 years (interquartile range, IQR 42–67). None of them presented with an asthma exacerbation. Twenty-two (59%) had major comorbidities and 31 (84%) had a body mass index ≥25 kg·m−2. The most common comorbidities were obesity (36%), hypertension (27%) and diabetes (19%). All patients had a confirmed diagnosis of COVID-19 pneumonia on computed tomography of the chest. Eosinopenia was a typical biologic feature with a median count of 0/mm3 (IQR 0–0). Eleven patients (30%) were admitted in intensive care unit with three death (8.1%) occurring in the context of comorbidities. Conclusion Asthmatics were not overrepresented among patients with severe pneumonia due to SARS-CoV-2 infection who required hospitalisation. Worst outcomes were observed mainly in patients with major comorbidities.
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