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Current Respiratory Medicine Reviews


ISSN (Print): 1573-398X
ISSN (Online): 1875-6387

Research Article

Association of Asthma with COVID-19 Disease Severity in Pediatric Patients

Author(s): Solmaz Heidari, Mehdi Torabizadeh*, Shokoufeh Shokouhifar, Mohammadreza Mirkarimi, Mohsen Alisamir and Shooka Mohammadi

Volume 18, Issue 4, 2022

Published on: 12 September, 2022

Page: [297 - 305] Pages: 9

DOI: 10.2174/1573398X18666220819153000

Price: $65


Background: The impact of COVID-19 on asthmatic patients is still uncertain.

Objective: This study intended to examine the associations between the severity of coronavirus disease 2019 (COVID-19), asthma, and some inflammatory markers among pediatric patients.

Methods: A retrospective study enrolled pediatric COVID-19 patients who were admitted to Abuzar Hospital (Ahvaz, Iran) during eight months. The diagnosis of COVID-19 was according to the real-time reverse transcription-polymerase chain reaction (RT-PCR) method. Asthma diagnosis was confirmed by specialists through functional and clinical evaluations (positive bronchodilator reversibility test or positive methacholine challenge test). Demographic and clinical characteristics of the patients were documented. Asthmatic patients with COVID-19 were considered as Group 1 (n= 52) and non-asthmatic COVID-19 patients were assigned as Group 2 (n= 54).

Results: The mean age of 106 patients was 71.28 ± 50.09 months (range: 1-16 years). Children with severe and moderate COVID-19 had significantly lower levels of neutrophils and lymphocytes, higher inflammatory markers, and longer hospital length of stay (LOS) than patients with a mild course of COVID-19 (p < 0.001). Patients in Group 1 had significantly longer LOS, higher dry cough, chest radiographic findings, fever, levels of D-dimer, fibrinogen, and C-reactive protein (CRP), as well as lower neutrophil and lymphocyte counts, compared with those in Group 2 (p < 0.001).

Conclusion: The presence of asthma in COVID-19 patients was associated with severe COVID-19 in comparison with their non-asthmatic counterparts. Additional studies with large sample sizes are deemed necessary to determine the impact of asthma on the management and incidence of COVID- 19 disease.

Keywords: Asthma, COVID-19, pediatric, CRP, disease severity, Iran.

Graphical Abstract
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