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[Post-neurosurgical purulent meningitis. 31 cases]
Abstract:
Thirty-one cases of post neurosurgical bacterial meningitis from one center were reviewed to determine their promoting factors and responsible organisms. Most cases occurred after a protracted operation (6 hours on average). 26% cases were related to a primary cutaneous infection. 58% organisms were Gram negative bacilli. The course of meningitis was often complicated or prolonged due to a scalp decubitus ulcer or cerebrospinal fluid leakage. Vancomycin is often requested during staphylococcal meningitis. Third generation cephalosporins have low MIC against many Gram negative bacilli and should be used. Pefloxacin, a new quinolone, may be valuable. Treatment of scalp wound infection is often requested.
Insights
Post-neurosurgical bacterial meningitis is often linked to long surgeries and skin infections. Gram-negative bacilli are common causes, and complications like scalp ulcers can prolong illness, necessitating targeted antibiotic strategies.
Area of Science:
- Infectious Diseases
- Neurosurgery
- Microbiology
Context:
- Post-neurosurgical bacterial meningitis presents a significant challenge in hospital-acquired infections.
- A review of 31 cases from a single center identified key risk factors and causative agents.
- Understanding these factors is crucial for preventing and managing meningitis following brain surgery.
Purpose:
- To determine the promoting factors and responsible organisms of post-neurosurgical bacterial meningitis.
- To analyze the clinical course and identify complications associated with this condition.
- To provide recommendations for effective antimicrobial therapy.
Summary:
- Most cases followed prolonged operations (average 6 hours); 26% were linked to primary cutaneous infections.
- Gram-negative bacilli accounted for 58% of identified organisms.
- Complications such as scalp decubitus ulcers and cerebrospinal fluid leakage frequently complicated the meningitis course.
Impact:
- Highlights the need for vigilant infection control measures in neurosurgical procedures.
- Suggests specific antibiotic choices, including third-generation cephalosporins and potentially pefloxacin, for Gram-negative meningitis.
- Emphasizes the importance of managing scalp wound infections and preventing complications like CSF leaks to improve patient outcomes.