ArticleMedicine2025
Delayed cerebral infarction in pneumococcal meningitis due to postinfectious vasculitis: A case report.
Article in Medicine, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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6 authors.
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Abstract
rationaleDelayed cerebral infarction (DCI) is a rare but devastating complication of bacterial meningitis that is characterized by an initial good recovery followed by sudden deterioration several days after presentation. The potential mechanisms underlying DCI encompass postinfectious vasculitis, vasospasm, and cerebral thrombosis. Sequential magnetic resonance angiography and characteristic high-resolution magnetic resonance patterns are helpful in discerning the cause of DCI. PATIENT CONCERNS: A right-handed 45-year-old man with nasal leakage of cerebrospinal fluid from a car accident was admitted to the local hospital for fever, vomiting, and impaired consciousness. DIAGNOSES: Post-infectious vasculitis.
interventionsMeropenem (1 g 3 times/day), vancomycin (0.5 g 4 times/day), and dexamethasone (10 mg/day, gradually reduced to withdraw) were administered immediately after the patient was diagnosed with Streptococcus pneumoniae meningitis. After the patient was diagnosed with DCI, we applied nimodipine (10 mg 3 times/day) to prevent vasospasm, clopidogrel (75 mg/day), and heparin to counteract thrombosis, and prednisone (60 mg/day) was applied to reduce the inflammatory reaction. OUTCOMES: On the 52nd day, the patient's magnetic resonance angiography reexamination indicated a continuous expansion of the cerebral infarction area and a worsening of cerebrovascular occlusion. After the prednisone dose was increased, the consciousness disorder ceased to progress. LESSONS: Early detection and treatment are very important for DCI, the sequential magnetic resonance imaging and high-resolution magnetic resonance imaging are conducive to identify the etiology of DCI and providing guidance for treatment. The delayed tapering of glucocorticoids appears to be beneficial for alleviating the severity of DCI.
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