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Related Concept Videos

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...
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...
Brain Abscess l: Introduction01:26

Brain Abscess l: Introduction

A brain abscess is a focal, intracerebral infection characterized by a localized collection of pus within the brain parenchyma, resulting from microbial invasion and the body’s inflammatory response. It progresses through stages: early and late cerebritis, followed by early and late capsule formation, reflecting tissue destruction, immune response, and eventual encapsulation.Etiology and PathogenesisCausative organisms vary with source and host factors, often involving polymicrobial infections,...
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...
Local Anesthetics: Clinical Application as Spinal Anesthesia01:11

Local Anesthetics: Clinical Application as Spinal Anesthesia

Spinal anesthetics are given during lower abdomen and limb surgeries to block sensory and motor neurons. They are administered in the mid to low lumbar regions, primarily acting on the cauda equina's nerve roots. The blockade level depends on the local anesthetic (LA) concentration. Usually, low LA concentrations are sufficient to block sensory fibers, while only high LA concentrations block motor fibers. Other factors like injection volume and speed, the patient's posture, and the drug...
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...

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Related Experiment Video

Updated: Jul 10, 2026

In Vivo Mouse Model of Spinal Implant Infection
08:03

In Vivo Mouse Model of Spinal Implant Infection

Published on: June 23, 2020

Spinal infections.

Huozong Cao1, Feng Xue1

  • 1Peking University People's Hospital, Beijing, China.

Frontiers in Neuroscience
|July 9, 2026
PubMed
Summary
This summary is machine-generated.

Spinal infection is a growing concern due to an aging population and invasive procedures. Early diagnosis and appropriate treatment are crucial for preventing severe complications like paralysis.

Keywords:
diagnosispyogenic spondylitisspinal infectionspondylodiscitistreatmenttuberculous spondylitis

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Area of Science:

  • Orthopedics
  • Infectious Diseases

Background:

  • Spinal infection incidence is rising, linked to an aging population, increased spinal procedures, immunocompromised individuals, and drug-resistant pathogens.
  • Atypical early symptoms, diverse pathogens, and deep infection sites often lead to misdiagnosis or delayed treatment.
  • Severe cases can result in vertebral destruction, spinal deformity, neurological deficits, and paralysis, causing significant patient and societal burdens.

Purpose of the Study:

  • To systematically review the current understanding of spinal infection.
  • To emphasize epidemiological characteristics, common pathogens, clinical manifestations, diagnostic methods, etiological identification, and treatment principles.
  • To provide clinicians with a diagnostic and treatment reference for suspected or confirmed spinal infections.

Main Methods:

  • Systematic review of existing evidence and clinical experience regarding spinal infections.
  • Analysis of epidemiological data, pathogen distribution, and clinical presentations.
  • Evaluation of diagnostic modalities including imaging and laboratory tests.
  • Review of strategies for etiological identification and treatment selection (medical vs. surgical).

Main Results:

  • The review synthesizes current knowledge on spinal infection epidemiology, pathogens, and clinical features.
  • Diagnostic value of various imaging and laboratory tests is assessed.
  • Principles for selecting between medical and surgical interventions are outlined.
  • The review highlights the challenges posed by atypical presentations and drug-resistant strains.

Conclusions:

  • Early recognition and prompt, appropriate management are essential for improving patient prognosis in spinal infections.
  • A systematic approach to diagnosis and treatment is needed to address the complexities of spinal infections.
  • This review provides a comprehensive reference for clinicians managing spinal infections, aiming to reduce misdiagnosis and improve outcomes.