We present an outbreak of E. coli O157:H7 diarrhea in an urban child care center. Eleven of 45 attendees with diarrhea had positive tests (stool culture or shiga-like toxin assay) for E. coli O157:H7. Two of these 11 (18%) progressed to hemolytic uremic syndrome. Diarrheal illness in child care centers should be considered a public health risk. Staff education, hand washing, and cohorting or exclusion of attendees with diarrhea must be performed to help control infectious outbreaks.

Sensitization following renal transplant is a significant barrier to repeat transplantation in children. We report a successful DD renal transplant, with the use of PP, in an 11-yr-old girl who became highly sensitized following a prior failed transplant. She received PP treatments after failure of high-dose IVIg (Gamimune). We established the effectiveness of PP by attaining a 0% PRA and negative cross-matches after five PP treatments. Subsequently, our patient underwent a second round of scheduled PP. When the PRA was 0%, unacceptable antigens were removed from the UNOS wait list, PP was continued, and a kidney became available within 10 days. The final flow cytometry cross-match with the eventual donor was negative. This success demonstrates that coordination of desensitization by PP and advanced laboratory monitoring techniques with recent policies regarding allocation of organs to pediatric patients provides new opportunities for children awaiting transplantation. Since the transplant, our patient sustained a low-titer increase of anti-HLA antibodies. However, she has had no episodes of acute rejection and has maintained excellent graft function more than 17 months later.

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