Plasma lipids in kidney transplanted children and adolescents: influence of pubertal development, dietary intake and steroid therapy

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Abstract
Plasma triglycerides and/or cholesterol were significantly increased in twenty-four of thirty kidney transplanted children and adolescents with stable renal function, at least one year after the last rejection crisis who received low dose prednisone therapy. The cholesterol increment was related to both low density and high density lipoproteins. However, similar to findings in adult allograft recipients, these increases were very variable: six subjects had normal levels, eight had increased triglycerides, five increased triglycerides and cholesterol, and eleven increased cholesterol. No influence of renal function was found in this series of patients all of whom had plasma creatinine below 160 μmol/1. Subjects who had achieved sexual development had lower cholesterol values. An insignificant difference was observed between patients receiving daily and alternate-day steroid therapy, but a significant negative correlation was found between plasma triglycerides and fractional urinary excretion of 17 OH corticosteroids in the first 6 h after an oral dose of prednisone. Finally, no correlation was found between energy intake and triglycerides; but a significant correlation was observed between protein intake and plasma cholesterol. In conclusion, some patients show a high level of triglycerides and/or cholesterol after renal transplantation, possibly due to a different individual response to steroid therapy.