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Atresia tricúspide - Overview

Nombres alternativos

Atresia tricuspídea

Definición:

Es un tipo de cardiopatía congénita en el cual la válvula tricúspide del corazón está ausente o no se ha desarrollado normalmente. Este defecto obstruye el flujo de sangre desde la aurícula derecha al ventrículo derecho del corazón.

Causas, incidencia y factores de riesgo:

La atresia tricúspide es una forma poco común de cardiopatía congénita que afecta alrededor de 5 de cada 100,000 nacidos vivos. El 20% de los pacientes con esta afección también padecerá otros problemas cardíacos.

Normalmente, la sangre fluye desde el cuerpo hacia la aurícula derecha, luego a través de la válvula tricúspide hasta el ventrículo derecho y luego continúa hasta los pulmones. Si la válvula tricúspide no se abre, la sangre no puede fluir desde la aurícula derecha hacia el ventrículo derecho y finalmente no puede ingresar a los pulmones donde tiene que ir para recoger oxígeno (oxigenarse).

Los bebés con atresia tricúspide son generalmente cianóticos (coloración azulada de la piel) y fácilmente presentan dificultad para respirar.

  • Reviewed last on: 12/21/2009
  • Kurt R. Schumacher, MD, Pediatric Cardiology, University of Michigan Congenital Heart Center, Ann Arbor, MI. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

Referencias

Zipes DP, Libby P, Bonow RO, Braunwald E, eds. Braunwald's Heart Disease: A Textbook of Cardiovascular Medicine, 8th ed. St. Louis, Mo; WB Saunders; 2007.

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