[Streptococcus pneumoniae meningitis in children. Case records 1985 - 2003]

Luciana Nicolosi1, Laura Langella, Andrezej Krzysztofiak

  • 1U.O. Malattie Infettive, Ospedale Bambino Gesù - IRCCS, Rome, Italy.

Le Infezioni in Medicina
|February 25, 2005
PubMed

Insights

Streptococcus pneumoniae causes severe pediatric infections like meningitis and sepsis, with antibiotic resistance emerging. Vaccination is recommended for children over two months to reduce disease incidence and sequelae.

Area of Science:

  • Pediatric Infectious Diseases
  • Bacteriology
  • Epidemiology

Context:

  • Streptococcus pneumoniae is a leading cause of severe invasive diseases, including meningitis and sepsis, in children globally.
  • Emerging penicillin resistance and the introduction of new vaccines highlight the need for updated epidemiological data.
  • Pediatric meningitis and sepsis carry significant risks of mortality and long-term neurological complications.

Purpose:

  • To analyze the incidence, epidemiology, diagnosis, and therapy of Streptococcus pneumoniae infections in hospitalized children.
  • To assess the trends in antibiotic resistance and serotype prevalence over an 18-year period (1985-2003).
  • To provide data supporting vaccination strategies and public health recommendations for invasive pneumococcal disease.

Summary:

  • A review of 18 years of data (1985-2003) from Bambino Gesu Children's Hospital identified Streptococcus pneumoniae in 16.3% of children hospitalized with acute bacterial meningitis.
  • The pathogen was most prevalent in children under two years old, with significant rates of long-term sequelae like hearing loss and neurological deficits.
  • Antibiotic resistance to penicillin and ampicillin was observed in 2.3% of isolates, though resistance to cephalosporins and vancomycin was not detected.

Impact:

  • Findings support the recommendation of the 7-valent pneumococcal conjugate vaccine for children over two months of age.
  • Emphasizes the importance of ongoing surveillance for invasive pneumococcal infections, antibiotic resistance, and serotype distribution in pediatric populations.
  • Highlights the persistent risk of severe outcomes and sequelae associated with pneumococcal meningitis and sepsis in children, underscoring the need for effective prevention and treatment strategies.

Related Concept Videos

Bacterial Meningitis I: Introduction01:22

Bacterial Meningitis I: Introduction

Bacterial meningitis is a severe, life-threatening inflammation of the meninges, particularly the pia mater and arachnoid mater, affecting the subarachnoid space, ventricles, and cerebrospinal fluid (CSF). If untreated, it can lead to significant neurological complications or death.Causative AgentsCommon pathogens vary with age and immune status. In adults, major organisms include Streptococcus pneumoniae, Neisseria meningitidis, and Haemophilus influenzae. Streptococcus agalactiae (group B...
Bacterial Meningitis II: Pathophysiology01:26

Bacterial Meningitis II: Pathophysiology

Bacterial meningitis typically begins when pathogens such as Neisseria meningitidis and Streptococcus pneumoniae colonize the nasopharynx and invade the bloodstream. This process is facilitated by bacterial virulence factors, such as polysaccharide capsules, which resist phagocytosis and complement-mediated killing. Less commonly, bacteria reach the central nervous system via contiguous spread from infections like otitis media or sinusitis, through congenital or acquired dural defects, or...
Bacterial Meningitis01:24

Bacterial Meningitis

Bacterial meningitis is a severe infectious disease involving inflammation of the meninges, the protective membranes surrounding the brain and spinal cord. It occurs when pathogenic bacteria cross the blood–brain barrier and enter the cerebrospinal fluid. Common causative organisms include Neisseria meningitidis, Streptococcus pneumoniae, Haemophilus influenzae type b, Listeria monocytogenes, and Escherichia coli K1. The exact route of entry varies by pathogen and host condition.Routes of Entry...
Viral Meningitis01:18

Viral Meningitis

Viral meningitis is the most common form of meningitis and is often referred to as aseptic meningitis to indicate the absence of bacterial involvement. It is generally milder than bacterial meningitis, with symptoms including fever, headache, stiff neck, drowsiness, nausea, photophobia, and vomiting. Rarely, more severe manifestations or death may occur. Common causative agents include enteroviruses, particularly coxsackie A and B viruses and echoviruses, all members of the Enterovirus genus...
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...