Korean J Pediatr Infect Dis.  2005 May;12(1):86-94. 10.14776/kjpid.2005.12.1.86.

Change of Prevalence and Clinical Features of Mycoplasma Pneumonia in Infants Younger than 2 Years

Affiliations
  • 1Department of Pediatrics, Eulji University School of Medicine, Daejoen, Korea. phojin@eulji.ac.kr
  • 2Department of Pediatrics, College of Medicine, Hanyang University, Seoul, Korea.
  • 3Department of Pediatrics, Kidari Clinic, Sungnam, Korea.

Abstract

PURPOSE
Recently, it has been reported that the prevalence of mycoplasam pneumonia in infants is increasing. We studied the change of prevalence and clinical features in infants for recent three years.
METHODS
We evaluated the clinical records of 206 patients diagnosed as mycoplasma pneumonia during Mar. 2000~Feb. 2003. We retrospectively analyzed epidemiologic, clinical, serologic and radiologic difference between children younger than 24 months and others.
RESULTS
Among 206 patients, 111 were boys and 95 were girls. Mean age of onset was 5.12±2.91 years and lowered annually(P>0.05). 28 patinets(13.6%) were younger than 24 months and annual prevalence in this group increased(P < 0.05). Main clinical features included cough, fever, coarse breathing sound(=sputum), rhinorrhea and dyspnea. There was no clinical difference between children younger than 24 months and others, except for rhinorrhea and dyspnea which more developed frequently in children younger than 24 months (P < 0.05). There was also no serologic and radiologic difference for these groups.
CONCLUSION
Annual mean age of onset lowered and annual prevalence of younger than 24 months increased with mycoplasma pneumonia. Therefore, we need careful attention to differentiate Mycoplasma pneumoniae as causal organism of pneumonia in children younger than 24 months.

Keyword

Mycoplasma pneumonia; Epidemiology; Clinical manifestation

MeSH Terms

Age of Onset
Child
Cough
Dyspnea
Epidemiology
Female
Fever
Humans
Infant*
Mycoplasma pneumoniae
Mycoplasma*
Pneumonia
Pneumonia, Mycoplasma*
Prevalence*
Respiration
Retrospective Studies
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