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Published on: February 23, 2014
Understanding the burden of pneumococcal disease in adults
F Blasi1, M Mantero, PierAchille Santus
1Respiratory Medicine Section, Dipartimento Toraco-Polmonare e Cardiocircolatorio, University of Milan, IRCCS Fondazione Ospedale Maggiore Policlinico Cà Granda Milan, Milan, Italy. francesco.blasi@unimi.it
Abstract:
Streptococcus pneumoniae causes different types of acute, invasive and non-invasive clinical infections, being the most frequently detected pathogen responsible for community-acquired pneumonia. Pneumococcal pneumonia is accompanied by bacteraemia in 10-30% of cases. Streptococcus pneumoniae is gaining resistance to the in vitro activity of several antimicrobial agents and, even if questions remain regarding the clinical impact of this phenomenon, more and more reports indicate that antibiotic resistance can lead to more treatment failures if not higher mortality. Use of the 23-valent anti-pneumococcal vaccine appears to offer subpotimal protection against pneumococcal disease, particularly among high-risk adult populations. Vaccination against S. pneumoniae with new conjugate vaccines seems to be the most promising field for real improvement in the management of pneumococcal infections in adults.
Insights
Streptococcus pneumoniae causes pneumonia and invasive infections. Emerging antibiotic resistance and suboptimal vaccine protection highlight the need for new conjugate vaccines for effective adult treatment.
Area of Science:
- Infectious Diseases
- Microbiology
- Vaccinology
Background:
- Streptococcus pneumoniae is a leading cause of community-acquired pneumonia and invasive infections.
- Pneumococcal pneumonia occurs with bacteremia in 10-30% of cases.
- Increasing antimicrobial resistance in S. pneumoniae raises concerns about treatment efficacy and mortality.
Purpose of the Study:
- To review the challenges in managing pneumococcal infections.
- To evaluate current vaccine efficacy.
- To explore promising vaccination strategies.
Main Methods:
- Literature review of S. pneumoniae infections and resistance patterns.
- Analysis of current vaccine effectiveness data.
- Assessment of emerging conjugate vaccine research.
Main Results:
- S. pneumoniae exhibits growing resistance to multiple antimicrobial agents.
- The 23-valent pneumococcal vaccine provides suboptimal protection, especially in high-risk adults.
- New conjugate vaccines show promise for improved disease management.
Conclusions:
- Antibiotic resistance in S. pneumoniae poses a significant clinical challenge.
- Enhanced vaccination strategies are crucial for controlling pneumococcal disease.
- Conjugate vaccines represent a promising avenue for improving adult pneumococcal infection management.
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