From June 1985 to December 1998, 173 pediatric renal transplants were carried out in 170 patients at our center. From this pool, 73 patients (34 males and 39 females) with a follow-up of 48 months were examined. In all patients, ureteroneocystostomy was performed according to the Lich-Grégoire procedure. All patients were treated with cyclosporin A (CsA)-based immunosuppression, including prednisone and sometimes azathioprine (AZA). Six months after transplantation, voiding cystography (VCU) was performed in all patients and reflux was classified from Grade I to Grade IV. The patients were divided into two groups: those with reflux (Group A: 25 patients) and those without (Group B: 48 patients). Grade I reflux was found in four patients, Grade II in seven patients, Grade III in seven patients, and Grade IV in seven patients. All the patients with severe reflux (Grade IV) underwent a corrective surgical procedure. Both groups were examined for immunologic and non-immunologic risk factors and no significant differences were found. Analysis of patient and graft survival rates revealed no statistical differences (NS) between Groups A and B. Mean serum creatinine (mg/dL) was 1.06 +/- 0.28 and 1.12 +/- 0.41 at 4 yr in Groups A and B, respectively (NS). Mean calculated creatinine clearance (cCrC; ml/min) was 76.74 +/- 15.92 and 77.96 +/- 15.66 in Groups A and B, respectively (NS). The analysis was further extended by considering the grade of reflux (I to IV). Again, no significant differences in the above parameters emerged between the reflux sub-groups; only in the Grade IV sub-group was a slight decrease in cCrC detected, although this difference was not statistically significant when compared with the other sub-groups. In conclusion, vesico-ureteral reflux (VUR) does not seem to negatively affect graft function. However, as all severe reflux patients (Grade IV) were surgically corrected, no conclusions can be drawn with regard to the influence of Grade IV reflux on long-term graft function.

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ABSTRACT Objectives: To review the literature on oral and enteral nutrition therapy and investigate the evidence of its efficacy as a treatment, as well as in preventing relapses and reducing symptoms of inflammatory bowel diseases in the pediatric population. Data source: We performed a bibliographic search in the PubMed, Web of Science, and Latin American and Caribbean Health Sciences Literature (Literatura Latino-Americana e do Caribe em Ciências da Saúde - Lilacs) databases, using the keywords “inflammatory bowel disease,” “diet,” and “diet therapy” in English and Portuguese, with filters for pediatric studies published in the previous five years. Data summary: We selected 16 articles for this study, nine on exclusive and/or partial enteral nutrition and seven on modified oral diets, such as the specific carbohydrate diet (SCD) and the Crohn’s Disease exclusion diet (CDED). The studies found evaluated the anthropometric profile of patients and the inflammatory profile of diseases in children before and after the introduction of each specific nutrition therapy. All interventions presented positive changes in these parameters; however, the results were inconclusive regarding the efficacy of SCD and CDED in the treatment and prevention of relapses. Conclusions: Exclusive enteral nutrition has proven to be effective in inducing remission of Crohn’s Disease, and the use of partial enteral nutrition for maintenance treatment has shown promising results. Other modified oral diets are inconclusive concerning their effectiveness, requiring further randomized controlled clinical trials.

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