Allergy Asthma Respir Dis.  2013 Dec;1(4):362-369. 10.4168/aard.2013.1.4.362.

Clinical differences according to radiological patterns in childhood Mycoplasma pneumoniae pneumonia

Affiliations
  • 1Department of Pediatrics, Soonchunhyang University College of Medicine, Cheonan, Korea. smy0218@schmc.ac.kr

Abstract

PURPOSE
This study was conducted to evaluate the difference of clinical characteristics of pneumonia in children caused by Mycoplasma pneumoniae, according to their chest radiographic patterns.
METHODS
We analyzed medical records of 921 children who were admitted to Soonchunhyang University Buchon Hospital due to M. pneumoniae pneumonia from January 2008 to December 2011. Enrolled children were divided into 2 groups by radiological patterns: lobar/lobular pneumonia group (group 1) and broncho/interstitial pneumonia group (group 2).
RESULTS
The number of patients in group 1 was 295 (32%) and in group 2, 626 (68%). Lobar/lobular pneumonia occurred in older children compared to broncho/interstitial pneumonia (mean age, 6.4 years vs. 4.2 years; P=0.00). Group 1 had significantly longer durations of fever and hospitalization than group 2. The frequency of pleural effusion was significantly higher in group 1. Erythrocyte sedimentation rate and C-reactive protein values were higher in group 1. Coinfections with respiratory viruses were more frequent in group 2. The history of allergic diseases were more common in group 2 (P=0.006). In 2011, lobar/lobular pneumonia was more frequent and the duration of fever was longer compared with 2008-2010.
CONCLUSION
In M. pneumoniae pneumonia, patients with lobar/lobular pneumonia were more older and had more severe clinical features and laboratory findings. Because there was an outbreak with severe clinical course in 2011, we wonder that the outbreak was related to the macrolide resistant M. pneumoniae. Careful attention about clinical course and consequences of patients with lobar/lobular pneumonia is required.

Keyword

Mycoplasma pneumoniae pneumonia; Child; Lobar pneumonia
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