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Síndrome de Bartter - Symptom

Nombres alternativos

Pérdida de potasio; Nefropatía por pérdida de sal

Síntomas:

Esta enfermedad generalmente se presenta en la infancia y entre sus síntomas se pueden mencionar:

  • Estreñimiento
  • Retraso en el desarrollo
  • Incremento en la frecuencia de la micción
  • Hipotensión arterial
  • Cálculos renales
  • Debilidad y calambres musculares

Signos y exámenes:

El diagnóstico de este síndrome generalmente se sospecha cuando se encuentran niveles bajos de potasio en la sangre. El nivel de potasio generalmente es de menos de 2.5 mEq/L. A diferencia de otras formas de enfermedad renal, esta afección no causa hipertensión arterial y hay una tendencia hacia la hipotensión arterial. Otros signos de este síndrome pueden ser:

Estos mismos signos y síntomas se pueden presentar en las personas que han ingerido demasiados diuréticos o laxantes. Los exámenes de orina se pueden hacer para descartar estas causas.

En este síndrome, una biopsia del riñón generalmente muestra demasiada proliferación de células renales, llamado aparato yuxtaglomerular; sin embargo, esto no se encuentra en todos los pacientes, especialmente en niños pequeños.

  • Reviewed last on: 11/30/2009
  • David C. Dugdale, III, MD, Professor of Medicine, Division of General Medicine, Department of Medicine, University of Washington School of Medicine; Herbert Y. Lin, MD, PHD, Nephrologist, Massachusetts General Hospital; Associate Professor of Medicine, Harvard Medical School. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

Referencias

Tolkoff-Rubin N. Treatment of irreversible renal failure. In: Goldman L, Ausiello D, eds. Cecil Medicine. 23rd ed. Philadelphia, Pa: Saunders Elsevier; 2007: chap 133.

Mitch WE. Chronic kidney disease. In: Goldman L, Ausiello D, eds. Cecil Medicine. 23rd ed. Philadelphia, Pa: Saunders Elsevier; 2007: chap 131.

Guay-Woodford LM. Hereditary nephropathies and abnormalities of the urinary tract. In: Goldman L, Ausiello D, eds. Cecil Medicine. 23rd ed. Philadelphia, Pa: Saunders Elsevier; 2007: chap 129.

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