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Pathophysiology and Prevention of Ventriculostomy-Related Infections: A Review
Ariane Roujansky1,2, Sylvain Diop3, Jean Pasqueron4
1Réanimation polyvalente, Centre Hospitalier de Cayenne, Cayenne , French Guiana.
Neurosurgery
|September 12, 2024
Summary
Ventriculostomy-related infections (VRIs) are often caused by Gram-positive bacteria and skin microbiota. Limiting the duration of cerebrospinal fluid drainage is the most effective current prevention strategy.
Area of Science:
- Neuroscience
- Infectious Diseases
- Medical Microbiology
Background:
- Ventriculostomy-related infections (VRIs) are a significant complication of cerebrospinal fluid (CSF) management.
- Understanding VRI pathophysiology is crucial for developing effective prevention strategies.
Purpose of the Study:
- To review current knowledge on VRI pathophysiology.
- To summarize and evaluate proposed VRI prevention methods.
Main Methods:
- Qualitative review of existing literature.
- Analysis of VRI pathogenesis, focusing on microbial factors and biofilm formation.
- Evaluation of the efficacy of various preventive measures.
Main Results:
- VRIs typically occur around day 10 post-insertion, primarily due to Gram-positive cocci, often following a CSF leak.
- Skin microbiota and biofilm formation on external ventricular drains (EVDs) are key contributors to VRI pathogenesis.
- Current preventive measures, including prophylactic antimicrobials and impregnated EVDs, have not demonstrated consistent efficacy and may alter bacterial ecology.
Conclusions:
- None of the reviewed preventive strategies are fully effective in preventing VRIs.
- Limiting the duration of EVD placement is the most practical approach to reduce VRI risk with current data.
- Further research is needed to improve VRI prevention strategies.
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