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Published on: October 20, 2013
[Contrast-enhanced MR imaging in bacterial meningitis in children--temporal profile and correlation with the
Sayaka Harada1, Masahiro Tsuji, Takeshi Yoshida
1Department of Pediatrics, Kobe City Medical Center General Hospital, Kobe, Hyogo. s-harada@goo.jp
Abstract:
Treatment periods for bacterial meningitis are often very long, and often this prolonged treatment is based on the judgment of its effectiveness by the degree of enhancement on brain magnetic resonance imaging (MRI). In this study, we analyzed the contrast MRI in the acute and recovery phases of bacterial meningitis in twelve patients, and graded the contrast level of the subdural space and subarachnoid space separately. While the contrast level of the subarachnoid space increased with time in 4 cases, that of the subdural space increased in 10 cases, and 9 of them revealed a good prognosis without continuation of the treatment. These findings indicate that increased contrast level of the subdural space is common in the recovery phase of bacterial meningitis, and that repetitive MRI investigation is not valuable to determine the duration of treatment.
Insights
Bacterial meningitis treatment duration may not need lengthy monitoring. Increased contrast in the subdural space on brain MRI during recovery indicates a good prognosis, suggesting repetitive imaging is unnecessary.
Area of Science:
- Neurology
- Radiology
- Infectious Diseases
Context:
- Bacterial meningitis often requires prolonged treatment.
- Treatment effectiveness is frequently assessed using brain magnetic resonance imaging (MRI) enhancement.
- Current practices may lead to extended, potentially unnecessary, treatment durations.
Purpose:
- To analyze contrast-enhanced MRI findings in the acute and recovery phases of bacterial meningitis.
- To correlate subdural and subarachnoid space contrast enhancement with patient prognosis.
- To evaluate the value of repetitive MRI investigations in determining treatment duration.
Summary:
- Analyzed contrast MRI in twelve bacterial meningitis patients, assessing subdural and subarachnoid spaces.
- Subdural space contrast enhancement increased over time in 10 patients, with 9 showing good prognosis.
- Subarachnoid space contrast enhancement increased in 4 patients.
Impact:
- Increased subdural space contrast is common in bacterial meningitis recovery.
- Repetitive MRI is not valuable for determining bacterial meningitis treatment duration.
- Findings may help optimize treatment protocols and reduce unnecessary interventions.
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