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  • Title: Prevention of invasive fungal infections in liver transplant recipients: the role of prophylaxis with lipid formulations of amphotericin B in high-risk patients.
    Author: Fortún J, Martín-Davila P, Moreno S, Barcena R, de Vicente E, Honrubia A, García M, Nuño J, Candela A, Uriarte M, Pintado V.
    Journal: J Antimicrob Chemother; 2003 Nov; 52(5):813-9. PubMed ID: 14563893.
    Abstract:
    BACKGROUND: Invasive fungal infections (IFI) are associated with high mortality in liver transplant recipients. Prevention remains an elusive goal, especially for IFI caused by moulds. PATIENTS AND METHODS: From January 1998, patients who fulfilled four or more variables identified as risk factors for IFI received a cumulative dose of 1-1.5 g of lipid formulations of amphotericin B (L-AmpB; AmBisome or Abelcet). The development of IFI in these patients was compared with historical patients. RESULTS: Two hundred and eighty liver transplant recipients were analysed over a period of 8 years. In the historical group, IFI were observed in 22 of 131 patients (17%) and invasive aspergillosis in 13 of them (10%). After January 1998, IFI were observed in nine of 149 (6%) (P < 0.01) and invasive aspergillosis in six patients (4%) (P = 0.08). In patients with four or more risk factors (high risk) for IFI, the administration of L-AmpB reduced the risk from 36% to 14% (P = 0.07), and the risk of aspergillosis from 23% to 5% (P = 0.08). Notably, prophylaxis reduced the risk of aspergillosis from 32% to 0% in dialysed patients (P = 0.03). Variables independently associated with IFI in high-risk patients were dialysis [odds ratio (OR) 3.9; 95% confidence interval (CI) 1-16.7] and surgical reintervention (OR 5.4; 95% CI 1.2-24.6), while L-AmpB was a protective factor in this multivariate analysis (OR 0.1; 95% CI 0.02-0.8). The analysis in these high-risk patients was not able to demonstrate an association between the administration of L-AmpB and higher survival. CONCLUSIONS: Selected risk factors are good predictors of IFI in liver transplant recipients. The administration of L-AmpB in high-risk patients is independently associated with a reduction of IFI.
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