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Clinical Characteristics and Antibiotic Resistance of Mycoplasma Pneumoniae Pneumonia in Hospitalized Chinese

Chen Yuan1, Fang-Mei Min1, Yin-Jie Ling1

  • 1Department of Pediatrics, The First Hospital of Huzhou, First Affiliated Hospital of Huzhou University, No. 158 Guangchanghou Road, Huzhou, Zhejiang 313000, China.

Combinatorial Chemistry & High Throughput Screening
|January 15, 2019
PubMed

Insights

Antibiotic resistance in Mycoplasma pneumoniae pneumonia (MP) is common in Chinese children, linked to longer illness duration and a specific gene mutation. This highlights the need for updated treatment guidelines for MP.

Area of Science:

  • Microbiology
  • Clinical Medicine
  • Genetics

Background:

  • Mycoplasma pneumoniae pneumonia (MP) is a significant respiratory infection in children.
  • Antibiotic resistance in M. pneumoniae poses a challenge to effective treatment.
  • Understanding resistance mechanisms is crucial for clinical management.

Purpose of the Study:

  • To analyze the clinical characteristics of MP in Chinese children.
  • To investigate the antibiotic resistance patterns of M. pneumoniae.
  • To identify genetic mutations associated with resistance.

Main Methods:

  • Retrospective study of 120 hospitalized children with MP.
  • Confirmation of M. pneumoniae infection via ELISA, PCR, and throat culture.
  • Assessment of antibiotic resistance using MICs and DNA sequencing of the 23S rRNA gene.

Main Results:

  • The antibiotic resistance group experienced significantly longer febrile days (P = 0.007).
  • Patients treated with azithromycin or erythromycin had prolonged respiratory symptoms and fever duration compared to cephalosporin/penicillin (P = 0.046, P = 0.009).
  • A prevalent A2063G mutation in the 23S rRNA gene was found in nearly 90% of resistant strains.

Conclusions:

  • Antibiotic resistance significantly impacts MP clinical course in Chinese children.
  • The A2063G mutation is a common mechanism of macrolide resistance in M. pneumoniae.
  • Findings suggest potential challenges with macrolide treatment in resistant MP cases.
Abstract

Keywords:
Mycoplasma pneumoniaeantibiotic resistancemacrolidemacrolide-resistantpathogenspneumonia.

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