Related Experiment Video
Updated: May 26, 2025
11:32
Following in Real Time the Impact of Pneumococcal Virulence Factors in an Acute Mouse Pneumonia Model Using Bioluminescent Bacteria
Published on: February 23, 2014
15.0K
[Pneumococcal sepsis 2015-2022: considerations on vaccination strategies]
Herbert Hof1, Sabine Singer1, Ika Steiner1
1MVZ Labor Limbach u. Kollegen, Heidelberg, Deutschland.
Deutsche Medizinische Wochenschrift (1946)
|February 21, 2025
Summary
Despite available vaccines, Streptococcus pneumoniae sepsis remains a concern, particularly in older adults. A significant portion of detected serotypes were not covered by current vaccines, highlighting a gap in protection.
Area of Science:
- Clinical microbiology
- Infectious diseases
- Vaccinology
Context:
- Streptococcus pneumoniae remains a leading cause of sepsis, despite widespread vaccination efforts.
- Data from 2015-2022 shows 925 positive blood cultures for S. pneumoniae, predominantly in patients over 60.
- A decrease in positive cultures in 2020-2021 may correlate with non-pharmaceutical interventions during the COVID-19 pandemic.
Purpose:
- To analyze the frequency and characteristics of S. pneumoniae bloodstream infections.
- To determine the serotype distribution and antibiotic susceptibility of isolated strains.
- To assess the vaccine coverage of identified S. pneumoniae serotypes.
Summary:
- Over 925 S. pneumoniae blood isolates were analyzed from 2015-2022, with serotypes 3 and 8 being most common.
- Antibiotic susceptibility testing revealed widespread susceptibility to penicillin, erythromycin, and doxycycline; no multi-drug resistant strains were found.
- Current vaccines cover 67-75% of detected serotypes, leaving 27% unprotected.
Impact:
- Highlights the continued public health burden of pneumococcal sepsis.
- Identifies specific prevalent serotypes not covered by existing vaccines, informing vaccine development.
- Suggests potential for improved vaccination strategies to reduce sepsis incidence.
Related Concept Videos
01:30Pneumonia V: Nursing management and Prevention
1.8K
Nursing management of pneumonia involves promoting airway patency, facilitating rest and conserving energy, encouraging fluid intake, maintaining nutrition, and educating patients.
The nurse must practice strict medical asepsis and adhere to infection control guidelines to minimize healthcare-associated infections.
Enhance airway patency
Position the patient correctly to facilitate drainage of the affected lung segments. Manual or mechanical percussion and vibration can also be employed....
The nurse must practice strict medical asepsis and adhere to infection control guidelines to minimize healthcare-associated infections.
Enhance airway patency
Position the patient correctly to facilitate drainage of the affected lung segments. Manual or mechanical percussion and vibration can also be employed....
1.8K
01:30Pneumonia III: Complications and Assessment
143
Pneumonia poses the potential for numerous complications that warrant consideration. These complications include the following:
143
01:28Pneumonia IV: Management
286
The treatment of pneumonia varies based on its severity and the causative pathogen. Here is a structured approach to managing pneumonia, integrating pharmaceutical and supportive care strategies.
Bacterial Pneumonia Treatment
For bacterial pneumonia, antibiotics serve as the cornerstone of therapy. Initial treatment often begins with empirical antibiotics, tailored to the anticipated causative organism and adjusted based on culture results. Key antibiotic choices include:
Bacterial Pneumonia Treatment
For bacterial pneumonia, antibiotics serve as the cornerstone of therapy. Initial treatment often begins with empirical antibiotics, tailored to the anticipated causative organism and adjusted based on culture results. Key antibiotic choices include:
286
01:22Healthcare Associated Infections II: Preventive Measures
2.4K
Essential infection prevention measures are based on the knowledge of the infection chain, the modes of transmission in healthcare settings, and the use of the best practices in all healthcare settings. Compulsory public reporting of healthcare-associated infection rates is needed to allow individuals and the community to make informed choices regarding selecting a healthcare facility.
The best practices for preventing healthcare-associated infections include hand hygiene, patient risk...
The best practices for preventing healthcare-associated infections include hand hygiene, patient risk...
2.4K
01:30Pneumonia I: Introduction
201
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...
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...
201
01:51Vaccinations
43.7K
Overview
43.7K