Yeungnam Univ J Med.  2016 Dec;33(2):98-104. 10.12701/yujm.2016.33.2.98.

Clinical features according to chest radiologic patterns of Mycoplasma pneumonia in children

Affiliations
  • 1Department of Pediatrics, College of Medicine, Yeungnam University, Daegu, Korea. yhlee3535@ynu.ac.kr

Abstract

BACKGROUND
Clinical differences in Mycoplasma pneumonia (MP) in children and adolescent patients according to abnormal infiltrate patterns on the chest X-ray were compared.
METHODS
From 2012 to 2015, patients (n=336) diagnosed with MP at Yeungnam University Medical Center have been classified as eiher lobar pneumonia or bronchopneumonia based on the infilterate patterns observed on chest X-ray. Cases were analyzed retrospectively for gender, age, seasonal incidence rate, main symptoms (fever duration, extrapulmonary symptoms), and laboratory results, including white blood cell count, hemoglobin, platelets, C-reactive protein (CRP), and erythrocyte sedimentation rate (ESR), as well as concurrent respiratory virus infection.
RESULTS
The following results were observed. First, lobar pneumonia affected 22.0% of all MP patients and was the most common in preschool children, with a high incidence rate in November and December. Second, lobar pneumonia had a longer fever duration than bronchopneumonia (p<0.001), and also showed significantly higher platelets (336.8 vs. 299.1 k/µL, p=0.026), ESR(46.3 vs. 26.0mm/hr, p<0.001) and CRP (4.86 vs. 2.18mg/dL, p=0.001). Third, viral co-infection was more common in bronchopneumonia (p=0.017), affecting 66.7% of infants and toddlers (p=0.034). Finaly, lobar consolidation was most common in both lower lobes.
CONCLUSION
MP in children has increased in younger age groups, and the rate of lobar pneumonia with severe clinical symptoms is higher in older children.

Keyword

Clinical features; Lobar consolidation; Mycoplasma pneumonia; Children

MeSH Terms

Academic Medical Centers
Adolescent
Blood Sedimentation
Bronchopneumonia
C-Reactive Protein
Child*
Child, Preschool
Coinfection
Fever
Humans
Incidence
Infant
Leukocyte Count
Mycoplasma*
Pneumonia
Pneumonia, Mycoplasma*
Retrospective Studies
Seasons
Thorax*
C-Reactive Protein
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