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Dificultad con el flujo urinario - Overview

Nombres alternativos

Micción demorada; Disuria inicial; Dificultad para comenzar a orinar

Definición:

La dificultad para iniciar o mantener el chorro de orina se define como la dificultad para iniciar la micción o disuria inicial.

Consideraciones:

La dificultad para iniciar la micción afecta a personas de todas las edades y ocurre en ambos sexos, pero es más común en hombres de edad avanzada afectados por agrandamiento de la glándula prostática.

La dificultad para iniciar la micción suele aparecer de forma gradual. Algunas veces, pasa inadvertida hasta que la retención urinaria (incapacidad total para orinar) produce distensión y molestia en la vejiga.

Casi todos los hombres mayores tienen algún grado de dificultad para comenzar la micción, goteo o disminución de la fuerza del chorro de orina.

Causas:

La dificultad para iniciar la micción puede ser causada por:

  • Hiperplasia prostática benigna (agrandamiento de la próstata)
  • Infección urinario, especialmente si es crónica y recurrente
  • Prostatitis (inflamación o infección de la glándula próstatica)
  • Fármacos (algunos remedios para la gripe, algunos descongestionantes nasales, antidepresivos tricíclicos y anticolinérgicos que pueden ser utilizados para la incontinencia)
  • Paruresis o síndrome de la vejiga tímida (incapacidad para orinar cuando otra persona está en el mismo cuarto)
  • Trastornos neurológicos
  • Cirugía reciente (retención posoperatoria)
  • Reviewed last on: 9/30/2009
  • David C. Dugdale, III, MD, Professor of Medicine, Division of General Medicine, Department of Medicine, University of Washington School of Medicine; and Scott Miller, MD, Urologist in private practice in Atlanta, GA. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

Referencias

Gerber GS, Brendler CB. Evaluation of the urologic patient: History, physical examination, and the urinalysis. In: Wein AJ, ed. Campbell-Walsh Urology. 9th ed. Philadelphia, Pa: Saunders Elsevier;2007: chap 3.

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