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Published on: December 8, 2014
Rectal screening for azole non-susceptible Candida species in patients undergoing liver transplantation
Christopher Radcliffe1, Kishan K Patel1, Marwan M Azar1
1Section of Infectious Diseases, Department of Internal Medicine, Yale University School of Medicine, New Haven, Connecticut, USA.
Introduction:
Candidiasis is the most common invasive fungal infection in solid organ transplant recipients, and liver transplant (LT) recipients are at heightened risk. We hypothesized that pre-transplant screening for azole non-susceptible Candida (ANSC) allows for tailored antifungal prophylaxis to reduce the incidence of post-LT ANSC infection.
Methods:
We performed a retrospective chart review of adult (age ≥18 years) patients who underwent LT at Yale New Haven Hospital from April 2019 to March 2021. Screening for ANSC, defined as Candida glabrata or Candida krusei, was performed using a rectal swab prior to or at the time of LT.
Results:
During the study period, ANSC screening was performed in 47 patients who underwent a total of 48 LTs, with 46/48 (96%) primary LTs and two re-transplantations. Ten of 48 screened cases (21%) had ANSC-positive rectal swabs. Only seven of 10 ANSC-colonized patients received appropriate antifungal prophylaxis (i.e., anidulafungin), and one of these seven patients developed candidemia within 30 days of LT. The median number of candidiasis risk factors was one, and 29% of the cohort had two or more risk factors.
Discussion:
Routine ANSC screening of LT candidates may assist in selecting appropriate antifungal prophylaxis but may be insufficient to prevent infection in those with multiple risk factors for Candida infection.
