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  • Title: Antifungal susceptibilities of Cryptococcus neoformans cerebrospinal fluid isolates and clinical outcomes of cryptococcal meningitis in HIV-infected patients with/without fluconazole prophylaxis.
    Author: Manosuthi W, Sungkanuparph S, Thongyen S, Chumpathat N, Eampokalap B, Thawornwan U, Foongladda S.
    Journal: J Med Assoc Thai; 2006 Jun; 89(6):795-802. PubMed ID: 16850679.
    Abstract:
    OBJECTIVES: To compare the MICs of FLUconazole (FLU) and amphotericin B against isolates of Cryptococcus neoformans (C. neoformans) obtained from the CerebroSpinal Fluid (CSF); and clinical outcomes of HIV-infected patients diagnosed with cryptococcal meningitis. MATERIAL AND METHOD: There were two groups including those who did not receive FLU (group A) and those who did receive either FLU 400 mg/week for primary prophylaxis cryptococosis or 200 mg/day for secondary prophylaxis cryptococosis (group B). CSF isolates of C. neoformans from group A and group B between January 2003 and October 2004 were retrospectively studied. The MICs were determined by using the standard NCCLS broth microdilution methods (M27-A). The MICs of FLU and amphotericin B, and clinical outcomes after 10 weeks of cryptococcal meningitis treatment were determined. RESULTS: There were 98 isolates; 80 in group A and 18 in group B. The patients in group B had a higher proportion of previous opportunistic infections (p = 0.008). The other baseline characteristics between the two groups were not different. The median (range) MIC of FLU was 8.0 (0.5-32) microg/ml in group A, and 6.0 (0.5-32) microg/ml in group B (p = 0.926). The median (range) MIC of amphotericin B was 0.25 (0.03-1.0) microg/ml in group A, and 0.25 (0.12-1.0) microg/ml in group B (p = 0.384). Sixty patients from group A and 14 from group B received standard treatment and continued to follow-up. After the 10-week treatment, 39/60 (65%) patients in group A and 7/14 (50%) in group B had complete recovery (p = 0.364; RR = 0.538, 95%CI = 0.166-1.742). The overall mortality rate was 14/60 (23.3%) in group A and 7/14 (50.0%) in group B (p = 0.096; RR = 3.286, 95%CI = 0.983-10.979). CONCLUSION: The MICs of FLU and amphotericin B against CSF isolates of C. neoformans and clinical outcomes between HIV-infected patients who receive or did not receive FLU prophylaxis are not different.
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