Impact of atopy on the severity and extrapulmonary manifestations of childhood Mycoplasma pneumoniae pneumonia.

J Clin Lab Anal

Department of Pediatrics, Tianjin Hospital of Integrated Traditional Chinese and Western Medicine, Tianjin Nankai Hospital, Tianjin, China.

Published: June 2019

Objectives: The impact of atopy on disease severity and extrapulmonary manifestations in children with Mycoplasma pneumoniae (MP) pneumonia is unknown.

Methods: Patients diagnosed with MP pneumonia between January 2016, and December 2017, were enrolled in this study. A total of 150 MP pneumonia patients were enrolled at diagnosis and divided into the atopic group (n = 48) and the nonatopic group (n = 102). Furthermore, these patients were also assessed after being divided into the pulmonary group (n = 120) and the extrapulmonary group (n = 30). Clinical characteristics, respiratory disease severity, any allergy history, and specific allergen sensitizations were collected from all patients. The serum interleukin-17 (IL-17) and total immunoglobulin E (lgE) levels were also measured.

Results: More children in the atopic group than those in the nonatopic group presented with severe MP pneumonia, tachypnea, oxygen therapy, steroid treatment, atopic conditions including asthma attack, a previous history of asthma, decreased IL-17 levels, and increased IgE levels (all P < 0.05). When compared with those in the pulmonary group, the patients in the extrapulmonary group showed higher percentages of atopy, higher total lgE levels, and lower IL-17 levels (all P < 0.05).

Conclusions: Atopy may be a risk factor for disease severity and extrapulmonary manifestations in children with MP pneumonia.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6595288PMC
http://dx.doi.org/10.1002/jcla.22887DOI Listing

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