Related Experiment Videos

Mycoplasma pneumoniae respiratory tract infections among Greek children

Hippokratia
|November 24, 2011
PubMed
Abstract

Insights

Mycoplasma pneumoniae is a significant cause of pediatric respiratory tract infections (RTIs). This study found it was the second most common pathogen in hospitalized Greek children, with prevalence increasing with age.

Area of Science:

  • Pediatric infectious diseases
  • Respiratory medicine
  • Microbiology

Background:

  • Mycoplasma pneumoniae is a frequent cause of respiratory tract infections (RTIs) with varying severity, particularly in children.
  • Advanced diagnostic methods provide better insights into the epidemiology of M. pneumoniae infections.

Purpose of the Study:

  • To determine the prevalence and epidemiology of acute M. pneumoniae infections in Greek children hospitalized with RTIs.
  • Utilize advanced diagnostic techniques for accurate pathogen identification.

Main Methods:

  • Analyzed 225 hospitalized Greek children with RTIs over 15 months.
  • Detected M. pneumoniae via PCR in throat swabs.
  • Assessed IgG and IgM antibodies using ELISA and Western blot; tested for other respiratory pathogens.

Main Results:

  • M. pneumoniae was identified as the sole pathogen in 11.1% of cases.
  • It was the second most frequently detected pathogen, following respiratory syncytial virus (RSV).
  • M. pneumoniae infection prevalence was significantly higher in children aged 8-14 years compared to those under 3 years.

Conclusions:

  • M. pneumoniae was the second leading cause of pediatric RTIs during the study, after RSV.
  • The incidence of M. pneumoniae RTIs increased with age in children.
  • Peak M. pneumoniae infection cases occurred during summer and autumn months.

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...
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...
Pneumonia III: Complications and Assessment01:30

Pneumonia III: Complications and Assessment

Pneumonia poses the potential for numerous complications that warrant consideration. These complications include the following:
Diphtheria01:28

Diphtheria

Diphtheria is an acute, toxin-mediated infectious disease that primarily affects the upper respiratory tract. It is caused by Corynebacterium diphtheriae, a Gram-positive, pleomorphic rod that lacks spore-forming capability and exhibits a characteristic club-shaped morphology under microscopic examination. While C. diphtheriae can asymptomatically colonize mucosal surfaces, clinical disease manifests only when the bacterial strain is lysogenized by a specific β-corynephage. This phage...