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Two different therapeutic regimes in patients with sequelae of hemolytic-uremic syndrome

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Abstract

Renal disease is the most important long-term complication of hemolytic-uremic syndrome (HUS). A comparative study of renal function was carried out in two groups of patients. Group 1 included 19 children followed for a median of 11 years, 1960–1980, with a low-sodium diet, antihypertensive drugs, and a restricted protein intake in the end stage of renal disease. Group 2 included 26 children treated for a median of 9 years, 1988–2002, on a low-sodium diet, early restriction of protein intake according to recommendations, and angiotensin converting enzyme inhibitors (ACEi). Long-term renal function was assessed by the inverse of the plasma creatinine concentration (1/[Cr]) over time. Linear regression lines were fitted to individual values of 1/[Cr] for each child. Regression coefficients of children in group 1 were all negative, ranging from −0.031 to −0.00043; 7 were significantly different from zero, indicating a linear fall in renal function over time. In contrast, children from group 2 had 11 negative slopes (only 1 significant) and 15 positive slopes, ranging from 0.17893 to −0.3899. Fisher’s exact test showed that group 1 had significantly more children with negative slopes than group 2. This comparatively better long-term outcome of renal function in children under contemporary treatment was probably associated with early restriction of protein and use of ACEi.

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Acknowledgements

We thank Patricio Grabowski for his helpful design of the figures.

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Authors and Affiliations

  1. Nephrology Service, Garrahan Hospital, Combate de los Pozos 1881, 1245 Buenos Aires, Argentina

    María Gracia Caletti & Mabel Missoni

  2. Service of Growth and Development, Garrahan Hospital, Buenos Aires, Argentina

    Horacio Lejarraga

  3. Instituto del Cálculo, Facultad de Ciencias Exactas, Universidad de Buenos Aires, Buenos Aires, Argentina

    Diana Kelmansky

  4. Servicio de Nefrología, Hospital de Pediatría Juan P. Garrahan, Combate de los Pozos 1881, CP 1245, Buenos Aires, Argentina

    María Gracia Caletti

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  1. María Gracia Caletti
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Caletti, M.G., Lejarraga, H., Kelmansky, D. et al. Two different therapeutic regimes in patients with sequelae of hemolytic-uremic syndrome. Pediatr Nephrol 19, 1148–1152 (2004). https://doi.org/10.1007/s00467-004-1516-y

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  • DOI: https://doi.org/10.1007/s00467-004-1516-y

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