Voriconazole as Prophylaxis for Liver Transplant Recipients

The following variables will be followed: time and location of positive cultures, underlying diseases and severity of illness, voriconazole usage prophylactically, physical exam findings, laboratory and radiographical data, antimicrobial usage, microbiological data and resistance patterns, choice of antifungal drugs once organism identified, suspected source of infection, microbiological outcomes, laboratory results, demographic information, medications, clinical outcome, gender, weight, ethnicity, and past medical history.