Imipenem therapy of brain abscesses

Area of Science:

• Infectious Diseases
• Neurosurgery
• Pharmacology

Background:

• Brain abscesses are serious infections requiring effective treatment.
• Standard chemotherapy combined with neurosurgery is a common treatment approach.
• Exploring novel therapeutic options is crucial for improving patient outcomes.

Purpose of the Study:

• To compare the efficacy of imipenem with standard chemotherapy for brain abscess treatment.
• To evaluate the potential of imipenem monotherapy in reducing the need for neurosurgery.
• To assess imipenem levels in relevant bodily fluids and its safety profile.

Main Methods:

• Retrospective study design.
• Comparison of treatment outcomes between imipenem and standard chemotherapy groups.
• Analysis of cure rates, with and without neurosurgery.
• Measurement of imipenem concentrations in blood, cerebrospinal fluid, and brain pus.

Main Results:

• Imipenem achieved a 100% cure rate in 15 patients, including those with multiple abscesses.
• Standard chemotherapy resulted in an 86.7% cure rate in 60 patients.
• A higher proportion of patients treated with imipenem (20%) were cured without neurosurgery compared to the standard group (3.3%).
• Imipenem levels exceeded minimum inhibitory concentrations for most isolates, with rare side effects and excellent tolerance.

Conclusions:

• Imipenem monotherapy (3-4 g/day for five weeks) is a viable and effective treatment for bacterial brain abscesses.
• Imipenem offers a promising alternative, potentially decreasing the necessity for invasive neurosurgical intervention.
• The favorable safety profile and pharmacokinetic properties support imipenem's role in managing brain abscesses.