Related Experiment Videos

Emerging role of Mycoplasma pneumoniae in children with acute pharyngitis

S Esposito1, R Cavagna, S Bosis

  • 1Pediatric Department I, University of Milan, Via Commenda 9, 20122 Milan, Italy.

European Journal of Clinical Microbiology & Infectious Diseases : Official Publication of the European Society of Clinical Microbiology
|September 13, 2002
PubMed

Insights

Mycoplasma pneumoniae is an emerging cause of pharyngitis in children, identified in 23.9% of cases. Recurrent pharyngitis episodes are key indicators for Mycoplasma pneumoniae infection.

Area of Science:

  • Pediatric Infectious Diseases
  • Respiratory Medicine
  • Microbiology

Background:

  • Pharyngitis is a common childhood illness.
  • While Group A Streptococcus is a primary bacterial cause, other pathogens like Mycoplasma pneumoniae are increasingly recognized.
  • Understanding the specific characteristics of Mycoplasma pneumoniae pharyngitis in children is crucial for accurate diagnosis and management.

Purpose of the Study:

  • To determine the role of Mycoplasma pneumoniae in pediatric acute pharyngitis.
  • To identify risk factors associated with Mycoplasma pneumoniae infection.
  • To characterize the clinical and laboratory features of Mycoplasma pneumoniae-induced pharyngitis in children.

Main Methods:

  • A study was conducted on 184 children diagnosed with acute non-streptococcal pharyngitis.
  • Patients' demographic data, medical history (including recurrent pharyngitis episodes), and laboratory results were analyzed.
  • Statistical analysis, including multivariate analysis, was employed to identify significant differentiating factors.

Main Results:

  • Acute Mycoplasma pneumoniae infection was confirmed in 44 (23.9%) of the studied patients.
  • A history of recurrent pharyngitis (≥3 episodes in 6 months) was a significant predictor for Mycoplasma pneumoniae pharyngitis (P<0.05).
  • This finding highlights the importance of considering Mycoplasma pneumoniae in children presenting with recurrent pharyngitis.

Conclusions:

  • Mycoplasma pneumoniae plays a significant and emerging role in acute pharyngitis among children.
  • Recurrent pharyngitis episodes serve as a valuable clinical indicator for Mycoplasma pneumoniae infection.
  • These findings necessitate consideration of Mycoplasma pneumoniae in the diagnostic and therapeutic approaches for pediatric pharyngitis.

Related Concept Videos

Atypical Pneumonia01:14

Atypical Pneumonia

Atypical pneumonia, often caused by Mycoplasma pneumoniae, is a form of pulmonary infection that differs from the classical presentation of bacterial pneumonia in both its cause and clinical symptoms. Mycoplasma pneumoniae is a pleomorphic bacterium notable for its lack of a rigid cell wall. This structural characteristic imparts resistance to beta-lactam antibiotics and significantly influences the bacterium’s behavior within the human host.Other pathogens responsible for the disease include...
Acute Pharyngitis01:30

Acute Pharyngitis

Introduction
Acute pharyngitis is the inflammation of the back of the throat (pharynx), commonly resulting in a sore throat. It is a frequently encountered condition that prompts individuals to seek medical advice.
Classification
Acute pharyngitis can be categorized based on its underlying cause:
Streptococcal Pharyngitis01:27

Streptococcal Pharyngitis

Streptococcal pharyngitis, commonly known as “strep throat,” is an acute infection of the oropharyngeal tissues caused by the Gram‑positive Group A Streptococcus (Streptococcus pyogenes). Transmission occurs primarily through respiratory droplets expelled during coughing, sneezing, or talking.Mechanisms of Host Entry and Immune EvasionUpon entering the host, S. pyogenes adheres to the mucosal epithelial cells of the pharynx via surface proteins, notably lipoteichoic acid and the antiphagocytic...
Microbiota of the Respiratory Tract01:29

Microbiota of the Respiratory Tract

The human respiratory tract, comprising the upper and lower segments, serves as a critical interface with the external environment. The upper respiratory tract (URT)—including the nostrils, sinuses, pharynx, and oropharynx—is heavily colonized by microbes, while the lower respiratory tract (LRT), composed of the larynx, trachea, bronchi, and lungs, was long thought to be sterile. However, recent molecular studies have revealed that the lungs are not devoid of microbes but act more like...
Pneumonia I: Introduction01:29

Pneumonia I: Introduction

Pneumonia is an infection of the lower respiratory tract that leads to inflammation of the lung parenchyma, often resulting in the accumulation of inflammatory exudate in the alveoli and airways. Unlike the watery, low-protein fluid exudate in pulmonary edema, the exudate in this case is a thick fluid rich in immune cells, proteins, and debris produced during infection and inflammation.This impairs gas exchange and can lead to consolidation of lung tissue. The infection may be caused by a...
Pneumonia I: Introduction01:30

Pneumonia I: Introduction

Pneumonia is an acute respiratory infection that targets the lungs, specifically the alveoli. These tiny air sacs, essential for oxygen exchange, become engorged with pus and fluid, severely hindering breathing, decreasing oxygen absorption, and causing significant pain and discomfort during respiration.
Risk Factors
Various factors influence the likelihood of developing pneumonia. Age plays a crucial role, with infants, children under two, and individuals over 65 at increased risk due to their...