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Published on: April 7, 2015

Age-specific Mycoplasma pneumoniae pneumonia-associated myocardial damage in children

Cheng-Mei Li1, Li Gu, Shao-Jun Yin

  • 1Department of Paediatrics, Tenth People's Hospital, Tongji University, Shanghai, China.

The Journal of International Medical Research
|September 13, 2013
PubMed

Insights

Mycoplasma pneumoniae pneumonia (MPP) causes significant myocardial damage in children, particularly those aged 13-36 months and 7-14 years. This highlights potential age-specific immune responses to the infection.

Area of Science:

  • Pediatric Cardiology
  • Infectious Diseases
  • Immunology

Background:

  • Mycoplasma pneumoniae pneumonia (MPP) is a common childhood respiratory infection.
  • Myocardial damage can be a complication of MPP, but its age-specific incidence is not well understood.

Purpose of the Study:

  • To quantify Mycoplasma pneumoniae-associated myocardial damage in children with pneumonia.
  • To investigate age-specific differences in MPP-related cardiac injury.

Main Methods:

  • Children (0-14 years) with pneumonia and elevated serum creatine kinase isoenzyme-MB (CK-MB) were enrolled.
  • Participants were tested for Mycoplasma pneumoniae immunoglobulin M (IgM) and stratified into four age groups.
  • Age-specific myocardial damage was analyzed based on M. pneumoniae IgM status.

Main Results:

  • Children positive for M. pneumoniae IgM showed higher fever incidence and median serum CK-MB levels.
  • Significantly greater myocardial damage (higher CK-MB) was observed in M. pneumoniae IgM-positive children aged 13-36 months and 72 months-14 years.
  • No significant difference in myocardial damage was found in the 37-71 months age group.

Conclusions:

  • Mycoplasma pneumoniae infection is linked to increased myocardial damage in specific pediatric age groups (13-36 months and 72 months-14 years).
  • Findings suggest that immune responses to M. pneumoniae may vary with age, influencing cardiac involvement.
Abstract

Keywords:
Mycoplasma pneumoniaeageimmune systeminfectionmyocardial injury

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