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Revista chilena de pediatría

versión impresa ISSN 0370-4106

Resumen

CUBILLOS C, María Paz; SALAS DEL C, Paulina  y  ZAMBRANO O, Pedro. Microalbuminuria in pediatric patients diagnosed with hemolytic uremic syndrome. Rev. chil. pediatr. [online]. 2015, vol.86, n.2, pp.92-96. ISSN 0370-4106.  http://dx.doi.org/10.1016/j.rchipe.2015.04.019.

Introduction: Hemolytic uremic syndrome (HUS) is characterized by the presence of microangiopathic hemolytic anemia, thrombocytopenia, and acute kidney failure. It is the leading cause of acute kidney failure in children under 3 years of age. A variable number of patients develop proteinuria, hypertension, and chronic renal failure. Objective: To evaluate the renal involvement in pediatric patients diagnosed with HUS using the microalbumin/creatinine ratio. Patients and Methods: Descriptive concurrent cohort study that analyzed the presence of microalbuminuria in patients diagnosed with HUS between January 2001 and March 2012, who evolved without hypertension and normal renal function (clearance greater than 90 ml/min using Schwartz formula). Demographic factors (age, sex), clinical presentation at time of diagnosis, use of antibiotics prior to admission, and need for renal replacement therapy were evaluated. Results: Of the 24 patients studied, 54% were male. The mean age at diagnosis was two years. Peritoneal dialysis was required in 45%, and 33% developed persistent microalbuminuria. Antiproteinuric treatment was introduce in 4 patients, with good response. The mean follow-up was 6 years (range 6 months to 11 years). The serum creatinine returned to normal in all patients during follow up. Conclusions: The percentage of persistent microalbuminuria found in patients with a previous diagnosis of HUS was similar in our group to that described in the literature. Antiproteinuric treatment could delay kidney damage, but further multicenter prospective studies are necessary.

Palabras clave : Microalbumin/Creatinine Ratio; Hemolytic Uremic Syndrome; Acute Renal Failure; Peritoneal Dialysis.

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