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Updated: Aug 9, 2025

In Vivo Mouse Model of Spinal Implant Infection
Published on: June 23, 2020
[Infections of the spinal cord and adjacent structures]
Bettina Pfausler1, Verena Rass2, Anna Lindner2
1Universitätsklinik für Neurologie, Medizinische Universität Innsbruck, Anichstr. 35, 6020, Innsbruck, Österreich. b.pfausler@i-med.ac.at.
Abstract:
Inflammation of the spinal cord and the adjacent structures can be caused by viruses, bacteria, fungi and parasites. Viruses predominantly infect the spinal cord and the nerve roots directly or trigger a secondary immune response, whereas bacteria, fungi and parasites tend to form abscesses, granulomas and cysts and can lead to a secondary compression of the spinal cord, similar to a destructive osteomyelitis. The etiological clarification of an acute or subacute spinal process is carried out based on the clinical presentation, the time course of the development of symptoms, the immune status, neuroimaging and microbial and/or molecular biological examinations of cerebrospinal fluid and serum. The tropism of individual pathogens to certain fiber structures and cellular clusters in the spinal cord in synopsis with the clinical presentation, neuroimaging and a history of exposure, can often quickly lead to a focused clarification and diagnosis. This article deals with important pathogens of spinal and paraspinal infections, the geographical distribution, the clinical and neuroimaging presentation with special consideration of the anatomical and topographical localization and recent epidemiological developments. Particular attention is paid to the outbreak of poliomyelitis due to circulating vaccine-derived poliovirus (cVDPV).
Insights
Spinal cord infections can stem from various pathogens like viruses, bacteria, fungi, and parasites, leading to diverse clinical presentations. Diagnosis relies on clinical signs, imaging, and laboratory tests to identify the specific cause of inflammation.
Area of Science:
- Neurology
- Infectious Diseases
- Pathogen Research
Context:
- Spinal and paraspinal infections present diverse etiological origins, including viral, bacterial, fungal, and parasitic agents.
- Pathogens can directly infect neural tissues or cause secondary complications like abscesses and spinal cord compression.
- Understanding pathogen tropism and clinical-diagnostic correlations is crucial for accurate diagnosis.
Purpose:
- To review significant pathogens responsible for spinal and paraspinal infections.
- To detail the geographical distribution, clinical manifestations, and neuroimaging findings of these infections.
- To highlight recent epidemiological trends, including outbreaks of circulating vaccine-derived poliovirus (cVDPV).
Summary:
- Infectious agents like viruses, bacteria, fungi, and parasites cause spinal cord inflammation through direct infection or secondary complications.
- Diagnosis involves a comprehensive approach combining clinical presentation, symptom progression, immune status, neuroimaging, and microbiological analysis of cerebrospinal fluid and serum.
- The article emphasizes pathogen-specific tropism, clinical-imaging correlations, and epidemiological shifts, with a focus on cVDPV outbreaks.
Impact:
- Provides a comprehensive overview of spinal and paraspinal infections for clinicians and researchers.
- Aids in the etiological clarification and diagnosis of acute and subacute spinal inflammatory processes.
- Informs public health strategies by detailing epidemiological developments and specific pathogen threats like cVDPV.
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