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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...
Cryptococcal Meningitis01:27

Cryptococcal Meningitis

Cryptococcal meningitis is a life-threatening opportunistic infection predominantly associated with HIV/AIDS, accounting for over 100,000 deaths annually worldwide. However, it also affects individuals with other forms of immunosuppression, including those undergoing immunosuppressive therapy, organ transplant recipients, patients with innate immunodeficiencies, and individuals with hematological disorders. The infection is caused mainly by Cryptococcus neoformans and Cryptococcus gattii,...
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...
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...
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...

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Related Experiment Video

Updated: Jun 23, 2026

Intrathecal Application of a Fluorescent Dye for the Identification of Cerebrospinal Fluid Leaks in Cochlear Malformation
06:59

Intrathecal Application of a Fluorescent Dye for the Identification of Cerebrospinal Fluid Leaks in Cochlear Malformation

Published on: February 29, 2020

[Meningitis as cochlear implant complication].

Rade Kosanović, Zoran Ivanković, Snezana Babac

    Srpski Arhiv Za Celokupno Lekarstvo
    |May 23, 2009
    PubMed
    Summary

    Cochlear implantation is a proven treatment for profound hearing loss. While rare, bacterial meningitis is a severe complication, and the link between cochlear implants and increased meningitis risk remains unclear.

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    Performing Repeated Intraoperative Impedance Telemetry Measurements during Cochlear Implantation
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    Performing Repeated Intraoperative Impedance Telemetry Measurements during Cochlear Implantation

    Published on: August 4, 2023

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    Intrathecal Application of a Fluorescent Dye for the Identification of Cerebrospinal Fluid Leaks in Cochlear Malformation
    06:59

    Intrathecal Application of a Fluorescent Dye for the Identification of Cerebrospinal Fluid Leaks in Cochlear Malformation

    Published on: February 29, 2020

    Performing Repeated Intraoperative Impedance Telemetry Measurements during Cochlear Implantation
    06:54

    Performing Repeated Intraoperative Impedance Telemetry Measurements during Cochlear Implantation

    Published on: August 4, 2023

    Area of Science:

    • Otolaryngology and Biomedical Engineering
    • Neuroscience and Infectious Diseases

    Context:

    • Cochlear implantation (CI) is a standard surgical treatment for profound hearing loss, utilizing electrical stimulation of the cochlear nerve.
    • Advances in CI technology and coding strategies have significantly improved patient outcomes.
    • Despite its routine nature, CI surgery carries potential risks, including rare but severe complications.

    Purpose:

    • To present a five-year experience with cochlear implantation and analyze the occurrence of bacterial meningitis.
    • To investigate the potential association between cochlear implants and an increased risk of bacterial meningitis.
    • To explore whether pre-existing factors related to deafness contribute to meningitis risk independently of the implant.

    Summary:

    • Bacterial meningitis is a critical postoperative complication following cochlear implantation, though its incidence is low.
    • The precise relationship between the cochlear implant surgical procedure and the development of bacterial meningitis is not fully understood.
    • This study examines the incidence of meningitis in a cohort of cochlear implant recipients over five years.

    Impact:

    • Highlights the need for further research to clarify the risks associated with cochlear implantation regarding bacterial meningitis.
    • Informs surgeons, manufacturers, regulatory bodies (CDC, FDA), and patients about a rare but serious potential complication.
    • Contributes to ongoing discussions on patient safety and risk-benefit analysis in cochlear implant surgery.