Coccidioidal Meningitis

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Abstract
Clinical and laboratory features of 31 patients with coccidioidal meningitis seen from January 1964 through December 1976 with follow-up through 1979 are reported and data on 114 patients from the literature reviewed. History of exposure to C. immitis, a wide age range, and, in about one third, underlying conditions are noteworthy. Dissemination to the meninges usually occurs within the first few months although diagnosis is frequently delayed. Presenting symptoms and signs of coccidioidal meningitis are varied but signs of chronic meningitis or suggestion of hydrocephalus are prominent. Evidence of acute infection is unusual even with widespread disease. Diagnosis is usually made by demonstration of coccidioidal CF antibodies in the CSF although they are not found in all patients. Some show other direct evidence of C. immitis. Special diagnostic techniques such as CAT scanning for evidence of basilar meningitis or hydrocephalus are valuable. Amphotericin B remains the drug of choice despite the need for long-term therapy and the problems with intrathecal administration. Reservoirs are only occasionally useful but shunts are frequently lifesaving despite complications. Factors associated with a bad prognosis are hydrocephalus, non-Caucasian race, or presence of an underlying disease.

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