Related Experiment Video
Updated: Jul 1, 2025

Murine Oropharyngeal Aspiration Model of Ventilator-associated and Hospital-acquired Bacterial Pneumonia
Published on: June 28, 2018
Bacterial profiles detected in ventilator-associated pneumonia in Japan: A systematic review
Hiroshi Moro1, Nobumasa Aoki1, Hiroyuki Matsumoto2
1Department of Respiratory Medicine and Infectious Diseases, Niigata University Graduate School of Medical and Dental Science, 1-757 Asahimachi-dori, Chuo-ku, Niigata City, Niigata, 952-8510, Japan.
Abstract:
The primary objective of this study was to identify the predominant organisms associated with ventilator-associated pneumonia (VAP) in Japan. Studies on VAP conducted in Japan were systematically reviewed, and seven studies with a total of 374 cases were included. The detection rate of each bacterium and multidrug-resistant (MDR) pathogen was analyzed using the inverse variance method. Pseudomonas aeruginosa was identified as the predominant pathogen in 29.2 % of cases, followed by methicillin-resistant Staphylococcus aureus (MRSA) (12.0 %), and Klebsiella spp. (9.5 %). An integrated analysis revealed a detection rate of 57.8 % (95 % confidence interval: 48.7%-66.8 %) for MDR pathogens. This review highlights P. aeruginosa and MRSA as the predominant VAP-associated organisms in Japan, with a significant prevalence of MDR pathogens. This analysis provides valuable insights based on the regional distribution of bacteria detected in VAP, which is critical for selecting appropriate empirical therapy.
Insights
This study identified the main bacteria causing ventilator-associated pneumonia (VAP) in Japan. Pseudomonas aeruginosa and MRSA were most common, with a high rate of multidrug-resistant (MDR) pathogens found.
Area of Science:
- Infectious Diseases
- Microbiology
- Critical Care Medicine
Background:
- Ventilator-associated pneumonia (VAP) is a significant hospital-acquired infection.
- Identifying causative pathogens is crucial for effective treatment and infection control.
Conclusions:
- P. aeruginosa and MRSA are the leading causes of VAP in Japan.
- A high prevalence of MDR pathogens necessitates careful consideration in empirical treatment strategies.
- Understanding regional pathogen distribution is vital for optimizing VAP management.
More Related Videos
03:22Author Spotlight: Advancing Pathogen Detection and Disease Assessment in Real-Time Using M-ROSE
Published on: March 1, 2024
11:32Following in Real Time the Impact of Pneumococcal Virulence Factors in an Acute Mouse Pneumonia Model Using Bioluminescent Bacteria
Published on: February 23, 2014
Related Concept Videos
Pneumonia II: Pathophysiology
Pneumonia I: Introduction
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 V: Nursing management and Prevention
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....
Pneumonia III: Complications and Assessment
Pneumonia IV: Management
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:
Sputum Studies II: Culture and Sensitivity
Sputum culture and sensitivity is a medical procedure used to diagnose bacterial infections in the respiratory tract and select the most appropriate antibiotics for treatment. This process involves analyzing sputum samples of thick and opaque secretions produced in the lungs and airways. These samples are collected from patients and then sent to the laboratory for analysis.
The test can identify various pathogens responsible for respiratory infections, including Streptococcus,...