An objective measure to identify pediatric liver transplant recipients at risk for late allograft rejection related to non-adherence

Pediatric Transplantation
Veena L VenkatJohn C Bucuvalas

Abstract

Non-adherence to a prescribed immunosuppressive regimen increases risk for late allograft rejection (LAR). We implemented a protocol for immunosuppression management which decreased variation in calcineurin inhibitor blood levels in pediatric liver transplant recipients by controlling for confounders such as physician practice variability. We hypothesized that patients with increased variation in tacrolimus blood levels despite implementation of the immunosuppression management protocol were at increased risk for LAR. We conducted a single center retrospective cohort study of 101 pediatric liver transplant recipients who were at least one year post liver transplantation and receiving tacrolimus for immunosuppression. The primary outcome variable was biopsy proven allograft rejection. Primary candidate predictor variables were the standard deviation (SD) of tacrolimus blood levels (a marker of drug level variability), mean tacrolimus blood level, age, and insurance type. SD of tacrolimus blood levels was determined for each patient from a minimum of four outpatient levels during the study period. Unadjusted and adjusted logistic regression models were used to determine the prognostic value of candidate predictors. The median and...Continue Reading

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May 7, 2010·Current Opinion in Organ Transplantation·Eyal ShemeshNanda Kerkar
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