LATE REFLUSH IN CLINICAL RENAL TRANSPLANTATION

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Abstract
Mechanical flushing of cadaveric kidneys with organ preservation fluid immediately before transplantation has been reported to be associated with improved early graft function. We report here the results of a prospective randomized controlled study of cadaveric renal transplantation after late reflush with organ preservation fluid in which no benefit with respect to delayed graft function was observed and, indeed, the protocol may have been harmful. The study was terminated after recruitment of only 18 patients (9 to each arm) because postreperfusion biopsies of reflushed kidneys contained unusual features, including abnormal cellular debris within the tubules or eosinophilic proteinaceous material within Bowman's capsule. These features were not present in the control kidneys. Acute tubular necrosis and biopsy-proven acute rejection episodes were more frequently seen in the reflushed kidneys, but at 1 year there was no significant difference in the function of the surviving grafts.