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  • Title: Candida glabrata and Candida krusei fungemia after high-risk allogeneic marrow transplantation: no adverse effect of low-dose fluconazole prophylaxis on incidence and outcome.
    Author: Safdar A, van Rhee F, Henslee-Downey JP, Singhal S, Mehta J.
    Journal: Bone Marrow Transplant; 2001 Nov; 28(9):873-8. PubMed ID: 11781648.
    Abstract:
    Candidemia is a serious complication in patients following allogeneic blood, marrow, and organ transplantation. Fourteen patients developed nosocomial fungemia among 204 allogeneic marrow transplants performed during 1997-1999. Incidence of hematogenous candidiasis was 6.8 per 100 allogeneic BMT. All 14 had an indwelling central venous catheter (CVC) and fluconazole (100-200 mg daily) was given prophylactically. In 11 (78.5%) neutropenic patients, duration between agranulocytosis and diagnosis of fungemia was (median, +/- s.d.) 10 +/- 8 days. Candida glabrata (53.3%) was the most common yeast species, followed by C. krusei (33.3%), and C. parapsilosis (13.3%). Candida albicans was conspicuously absent. Ten patients (71.4%) had primary transplant-related complication (>2 days) including hemolytic uremic syndrome/thrombotic thrombocytopenic purpura (HUS/TTP) (n = 5), severe hemorrhagic cystitis (n = 3), and bacteremia (n = 2). Seven (50.0%) patients expired and in three (21.4%) deaths were attributed to fungemia. The impact of a primary transplant-related complication on short-term survival in this setting was not significant (P = 0.07) (HUS/TTP (P > 0.5); neutropenia (P > 0.5); GVHD (P = 0.35)). Removal of CVC did not alter outcome in our group (P > or = 0.5) although in patients with persistent fungemia (>72 h), and those with preceding bacteremia, mortality was significantly higher (P = 0.002). Conventional prognosticators of poor outcome did not adversely effect short-term survival in our transplant recipients with hematogenous candidiasis. The predominance of C. glabrata and C. krusei breakthrough infections was similar to what is seen with high-dose fluconazole (400 mg) prophylaxis, and no adverse effects of low-dose fluconazole in terms of increased incidence of non-susceptible Candida species was seen.
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