[Retrospective studies of penicillin-resistant pneumococcal acute otitis media in infants and

Related Experiment Video

Updated: Oct 14, 2026

Following in Real Time the Impact of Pneumococcal Virulence Factors in an Acute Mouse Pneumonia Model Using Bioluminescent Bacteria
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

Y Uno

    Kansenshogaku Zasshi. the Journal of the Japanese Association for Infectious Diseases
    |June 22, 2000
    PubMed

    Insights

    Infants with acute otitis media caused by penicillin-resistant Streptococcus pneumoniae showed significant prognostic factors including age and prior antibiotic use. Further research into infant immunity is recommended for better treatment outcomes.

    Area of Science:

    • Pediatrics
    • Infectious Diseases
    • Microbiology

    Context:

    • Acute otitis media (AOM) in infants is a common infection.
    • Penicillin-resistant Streptococcus pneumoniae (PRSP) presents a growing treatment challenge.
    • Understanding prognostic factors is crucial for managing PRSP AOM in infants.

    Purpose:

    • To identify prognostic factors for infantile acute otitis media caused by Penicillin-resistant Streptococcus pneumoniae.
    • To analyze the influence of various patient and treatment variables on AOM outcomes.
    • To highlight areas for future research, particularly concerning infant immunity.

    Summary:

    • Retrospective analysis identified age, prior antibiotic therapy, and previous AOM treatment (especially by an otolaryngologist) as significant prognostic factors for PRSP AOM.
    • No significant association was found with kindergarten attendance, MIC of penicillin (PCG), or ceftriaxone (CDTR) for PRSP.
    • The study underscores the need to investigate infant immune factors, such as specific pneumococcal antigens and IgG2 antibody titers, in relation to treatment outcomes.

    Impact:

    • Provides insights into key factors influencing treatment success for a common pediatric infection.
    • Suggests that a history of antibiotic use and prior medical interventions are important considerations.
    • Identifies a critical gap in understanding the role of infant immunity in PRSP AOM, guiding future research directions.

    More Related Videos

    Noninvasive Sampling of Mucosal Lining Fluid for the Quantification of In Vivo Upper Airway Immune-mediator Levels05:31

    Noninvasive Sampling of Mucosal Lining Fluid for the Quantification of In Vivo Upper Airway Immune-mediator Levels

    Published on: August 7, 2017

    Related Concept Videos

    Observational Studies01:11

    Observational Studies

    Observational studies are a type of analytical study where researchers observe events without any interventions. In other words, the researcher does not influence the response variable or the experiment's outcome.
    There are three types of observational studies – Prospective, retrospective, and cross-sectional.
    Prospective Study
    Prospective studies, also known as longitudinal or cohort studies, are carried out by collecting future data from groups sharing similar characteristics. One example of...
    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:
    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...
    Mechanism of Antibiotic Resistance in MRSA01:25

    Mechanism of Antibiotic Resistance in MRSA

    Antibiotic resistance in bacteria arises when microorganisms evolve the ability to withstand drugs designed to kill them or inhibit their growth, rendering once-effective treatments useless. This phenomenon, driven by genetic change and selection under antibiotic exposure, poses a profound threat to modern medicine. Mechanisms include drug-inactivating enzymes (e.g., β-lactamases), efflux pumps that eject antibiotics, mutations altering antibiotic targets, decreased drug uptake, and acquisition...