Uropatia obstructiva

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Description and Tags

patologia urinaria mas frecuente

11 Terms

1

defincion

Presencia de un obstaculo mecanico o funcional, al flujo de la orina en alguna parte del aparato urinario, desde el area cribosa del riñón hasta el exterior.

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2

causas

Es el sindrome clinico con obstruccion de la via urinaria

  • Obstruccion del flujo orina

  • Estasis

  • Aumento de presion en via urinaria Cronica:

  • Masa renal disminuye

  • Aunado: aumento capacidad excretora/ infecciones /calculos

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3

que ocasiona?

alteraciones funcionales de los conductos renales y urinarios Hay hidronefrosis y no es permanente es el liquido que esta saliendo  esto es en aguda

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4
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5

Incidencia

neonatal/ infancia y mayores de 70 años diversas naturalezas

  • Anomalias anatomicas

  • Patologia traumatica

  • Inflamatoria

  • Tumoral

  • Litiasica

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6

Formas de presentación

segun la presentacion clinica: aguda o cronica segun grado de obstruccion: completa e incompleta segun localizacion: infravesical, supravesical, unilateral y bilateral

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7

sitios de obstruccion frecuentes:

 Union uretero pelvesillas renales  Union uterovesical  Cuello vesical  Meato vesical

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8

Fisiopatología:

-calculos -hiperplasia prostatica benigna -se obstruye y aumenta el flujo

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9

Clínica

Hay obstruccion lo que genera obstruccion en tramo proximal dando presion intraluminal donde se prende el mecanismo compensador y hay dilatacion del tubulo por lo que hay una peristalsis inefectiva, generand disminucion de FG aumento de la presion intratubular ocasiona liberacion de PGs y vasodilatadores aumento de flujo renal 40%  disminucion de FSG altera la perfusion de las nefronas.

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10

clinica cronica

Parenquima renal quimiotaxis M0s infiltracion de parenquima liberacion de proteasas y radicales libres

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11

cuadro clinico

Varia en funcion de locallizcion y grado:  Dolor es frecuente  distension de vejiga o sistema colector  Hiperazoemia  Anuria  Nicturia o poliuria  IVU recurrentes  Colico renal por calculos

<p>Varia en funcion de locallizcion y grado: 	Dolor es frecuente  distension de vejiga o sistema colector 	Hiperazoemia 	Anuria 	Nicturia o poliuria 	IVU recurrentes 	Colico renal por calculos</p>
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