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[Treatment of bacterial meningitis in newborn infants and children]
Insights
Effective bacterial meningitis treatment involves third-generation cephalosporins like cefotaxime or ceftriaxone for 7-10 days. Early dexamethasone reduces neurological deficits, while amikacin and chemoprophylaxis with rifampicin prevent complications and spread.
Area of Science:
- Infectious Diseases
- Neurology
- Pharmacology
Context:
- Bacterial meningitis remains a significant cause of morbidity and mortality, particularly in newborns.
- Treatment strategies require careful consideration of pathogen, disease severity, and patient age.
- Emerging antibiotic resistance necessitates adaptable therapeutic approaches.
Purpose:
- To outline current best practices for the treatment of bacterial meningitis.
- To detail optimal antibiotic choices, adjunctive therapies, and prophylactic measures.
- To address specific challenges in neonatal meningitis and antibiotic-resistant strains.
Summary:
- First-line treatment for bacterial meningitis typically involves third-generation cephalosporins (cefotaxime, ceftriaxone) for 7-10 days in uncomplicated cases.
- Early administration of dexamethasone, concurrent with antibiotics, is crucial for mitigating neurological sequelae.
- Intravenous amikacin can reduce short-term complications, while specific regimens (e.g., high-dose vancomycin) are required for resistant pneumococci.
- Chemoprophylaxis with rifampicin is effective against Meningococcus and Haemophilus, and Haemophilus influenzae type b vaccination reduces systemic infections.
- Neonatal meningitis presents higher morbidity, with distinct therapeutic choices for materno-foetal versus postnatal infections, often requiring longer antibiotic courses (15-21 days for Gram-negative bacteria).
Impact:
- Optimized treatment protocols can significantly reduce mortality and long-term neurological impairment associated with bacterial meningitis.
- Understanding resistance patterns guides the selection of effective antimicrobial agents, preserving treatment efficacy.
- Vaccination and chemoprophylaxis strategies are vital public health measures for controlling infectious disease outbreaks.
Abstract:
Third generation cephalosporin as cefotaxime or ceftriaxone is the best first line treatment. Duration of treatment is 7 to 10 days in uncomplicated disease. Dexamethasone used very early--before or at the same time of the antibiotic injection--seems to decrease sensorial sequelae. Amikacin by IV route, decreases short term complications. For bacterial meningitis due to intermediate penicillin pneumococci, an increase in daily dose of beta-lactamin is recommended; for resistant pneumococci, vancomycin by continuous infusion and with large doses is used. Chemoprophylaxis by rifampicine is effective for both Meningococcus and Haemophilus. Haemophilus influenzae b vaccination will decrease systemic infection due to this pathogen. In newborns, morbidity is higher, due in part to brain abscesses. Therapeutic choice is not the same for materno-foetal and postnatal infection. Antibiotherapy duration is, at least, 15 days and 21 days for gram-negative bacteria.