Cecilia Brown

DocwireNews

A new study suggests COVID-19 infection &ldquo;may play a vital role in initiating asthma pathogenesis,&rdquo; as approximately 10% of patients who had chronic cough and dyspnea after COVID-19 received an asthma diagnosis.Aysegul Gencer, MD, of the Istanbul Bakirkoy Dr. Sadi Konuk Training and Research Hospital, and colleagues conducted the research to &ldquo;investigate the presence of underlying chronic airway disease in individuals with chronic cough and dyspnea lasting longer than 8 weeks and who had previously [had] coronavirus disease 2019 (COVID-19) and had no known lung disease.&rdquo;Dr. Gencer and colleagues studied 151 patients who were admitted with a complaint of cough and/or dyspnea that persisted for at least 8 weeks following a COVID-19 infection. They recorded patients&rsquo; demographic characteristics, smoking history, the severity of lung involvement on chest computed tomography in the acute phase of COVID-19 infection, and bronchodilator reversibility test results.Nearly 10% of patients received an asthma diagnosis (9.3%), while 8.6% of patients received a diagnosis of nonreversible airflow obstruction, and 0.7% received a diagnosis of chronic obstructive pulmonary disease.Forced expiratory volume in the first second increased by &ge;200&thinsp;mL in 26.5% of patients. In 15.9% of patients, forced expiratory volume in the first second increased by &gt;200 mL, with a forced expiratory volume in the first second percentage of 12% or more.&ldquo;It should be kept in mind that viral infection-related asthma may be the underlying cause of prolonged cough and dyspnea after COVID-19 infection,&rdquo; Dr. Gencer and colleagues concluded.Gencer A, Caliskaner Ozturk B, Borekci S, Gemicioglu B. Bronchodilator reversibility testing in long-term cough and dyspnea after Covid-19 viral infection: a trigger for asthma? J Asthma. 2022. doi:10.1080/02770903.2022.2139719

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COVID-19 May Have Role in Asthma Development

Asthma

A new study suggests COVID-19 infection “may play a vital role in initiating asthma pathogenesis,” as approximately 10% of patients who had chronic cough and dyspnea after ...

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