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Fisura anal - Overview

Definición:

Es una pequeña grieta o ruptura en el tejido delgado y húmedo ( mucosa) que recubre la parte inferior del recto (ano).

Causas, incidencia y factores de riesgo:

Las fisuras anales son extremadamente comunes en los bebés, pero pueden ocurrir a cualquier edad. Los estudios sugieren que un 80% de los bebés ha sufrido de una fisura anal hacia el final del primer año de edad. La tasa de las fisuras anales disminuye rápidamente con la edad y son mucho menos comunes entre niños en edad escolar que en bebés.

En los adultos, las fisuras pueden ser causadas por estreñimiento, paso de heces grandes y duras o diarrea prolongada. En los adultos mayores, las fisuras anales pueden ser causadas por la disminución del flujo sanguíneo a esa área.

Las fisuras anales también son más comunes en las mujeres después del parto y en personas con la enfermedad de Crohn.

  • Reviewed last on: 9/21/2010
  • Todd Eisner, MD, Private practice specializing in Gastroenterology, Boca Raton, FL. Clinical Instructor, Florida Atlantic University School of Medicine. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

Referencias

Danakas G. Anal fissure. In: Ferri FF, ed. Ferri's Clinical Advisor 2008: Instant Diagnosis and Treatment. 1st ed. Philadelphia, Pa: Mosby; 2008.

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