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Uropatía obstructiva unilateral crónica - Overview

Nombres alternativos

Uropatía obstructiva crónica unilateral; Obstrucción ureteral crónica

Definición:

Es una afección en la cual se presenta un bloqueo prolongado de uno de los conductos (uréteres) que drena orina desde los riñones.

Ver también:

Causas, incidencia y factores de riesgo:

La uropatía obstructiva unilateral generalmente ocurre cuando cálculos renales o ureterales bloquean el flujo de orina. La orina se represa y ocasiona una hinchazón del riñón (hidronefrosis).

Otras causas abarcan:

Estrechamiento del uréter que se presenta al nacer (congénito), casi siempre exactamente por debajo del riñón, una afección denominada obstrucción de la unión ureteropélvica.
Lesión al uréter a causa de cirugía abdominal o pélvica previa.

Entre los factores de riesgo de padecer la uropatía obstructiva unilateral se encuentran:

Cálculos renales
Tumores en estructuras circundantes tales como el útero, el cuello uterino o los ganglios linfáticos
Cálculos y tumores ureterales

La uropatía obstructiva unilateral crónica ocurre en aproximadamente 5 de cada 1,000 personas.

Anatomía del riñón

Tracto urinario femenino

Tracto urinario masculino

Reviewed last on: 3/22/2010
Linda J. Vorvick, MD, Medical Director, MEDEX Northwest Division of Physician Assistant Studies, University of Washington, School of Medicine; Scott Miller, MD, Urologist in private practice in Atlanta, Georgia. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

Referencias

Wein AJ, et al. Campbell-Walsh Urology. 9th ed. St. Louis, Mo: WB Saunders; 2007.

Goldman L, Ausiello D, et al. Cecil Textbook of Medicine, 22nd ed. Philadelphia, Pa: WB Saunders; 2004:741-742.

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