| ORIGINAL ARTICLE |
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| Year : 2023 | Volume
: 7
| Issue : 1 | Page : 20-25 |
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Virus infection and severe asthma exacerbations: A cross-sectional study in Children’s Hospital 1, Ho Chi Minh City, Vietnam
Thuy Van Thao Nguyen1, Tuan Anh Tran2, Vu Thuong Le3, Kien Gia To4
1 Faculty of Medicine, University of Medicine and Pharmacy at Ho Chi Minh City, Vietnam; Department of General Internal Medicine 2, Children’s Hospital 1 at Ho Chi Minh City, Vietnam
2 Department of Respirology, Children’s Hospital 1 at Ho Chi Minh City, Vietnam
3 Faculty of Medicine, University of Medicine and Pharmacy at Ho Chi Minh City, Vietnam; Department of Respiratory, University Medical Center at Ho Chi Minh City, Vietnam
4 Faculty of Public Health, University of Medicine and Pharmacy at Ho Chi Minh City, Vietnam
Correspondence Address:
Prof. Kien Gia To
Faculty of Public Health, University of Medicine and Pharmacy at Ho Chi Minh City, 217 Hong Bang, District 5, Ho Chi Minh City
Vietnam
 Source of Support: None, Conflict of Interest: None  | Check |
DOI: 10.4103/prcm.prcm_2_23
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Context: Virus infection is a well-known risk factor for asthma exacerbations in temperate and subtropical countries, particularly in atopic children. However, the risk has not been well-described in tropical countries including Vietnam. Aims: To compare the odds of virus infection in hospitalized children with severe versus moderate asthma exacerbations. Settings and Design: A cross-sectional study was conducted at Children’s Hospital 1, Ho Chi Minh City, Vietnam. Children who were admitted to the hospital and diagnosed with severe or moderate asthma exacerbations were recruited for the study. Materials and Methods: Data were collected from interviews and medical records. Virus infection was confirmed by multiplex real-time polymerase chain reaction. Inhalant allergy was confirmed by a skin prick test with common indoor aeroallergens. Statistical Analysis Used: Associations among age, gender, passive smoking, child’s history of eczema, family history of asthma, virus infection, and inhalant allergy with the odds of severe asthma exacerbations were tested by binary logistic regressions. Multivariable logistic regression was done to measure the association between virus infection with the odds of severe asthma exacerbations adjusted for passive smoking. The odds ratio (OR) and its 95% confidence interval (CI) were reported to show the strength of the associations. Results: Nearly half of the children were infected by a virus (48.5%) and had passive smoking (49.2%). The percentage of children with a positive skin prick test was 83%. The most common indoor aeroallergen was house dust mites (81.1%). The odds of severe asthma exacerbations in children with virus infection was three times higher than that in those without virus infection (OR: 3.21, 95% CI: 1.20‐8.60, P = 0.021). Conclusions: Immunization and other healthcare programs should be deployed to prevent asthmatic children from virus infection and passive smoking to reduce the risk of severe asthma exacerbations. |
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