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Sangre del cordón umbilical - Información general

Definición:

Es una muestra de sangre que se toma del cordón umbilical al momento de nacer.

Forma en que se realiza el examen:

Inmediatamente después de haber nacido el bebé, se sujeta el cordón con unas pinzas y se corta. Si se va a extraer sangre del cordón, se coloca otra pinza a una distancia de 20 a 25 cm (8 a 10') de la primera, luego se corta la sección aislada y se recoge la muestra de sangre en un tubo para muestras.

Preparación para el examen:

No se necesita preparación especial para este examen.

Lo que se siente durante el examen:

La persona no sentirá nada más allá del proceso de alumbramiento normal.

Razones por las que se realiza el examen:

El examen de sangre del cordón umbilical se realiza para determinar lo siguiente:

  • Niveles de bilirrubina
  • Hemocultivo (si hay sospecha de infección)
  • Gasometría arterial, para evaluar el oxígeno, dióxido de carbono y los niveles de pH
  • Nivel de glucemia
  • Grupo sanguíneo y Rh
  • Conteo sanguíneo completo (CSC)
  • Conteo de plaquetas
  • Fecha de revisión: 5/2/2008
  • Versión en inglés revisada por:Linda Vorvick, MD, Seattle Site Coordinator, Lecturer, Maternal & Child Health, Pathophysiology, MEDEX Northwest Division of Physician Assistant Studies, University of Washington School of Medicine; and Susan Storck, MD, FACOG, Clinical Teaching Faculty, Department of Obstetrics and Gynecology, University of Washington School of Medicine; Chief, Eastside Department of Obstetrics and Gynecology, Group Health Cooperative of Puget Sound, Redmond, Washington. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.
  • Traducción y localización realizada por: DrTango, Inc

Referencias

American Academy of Pediatrics Section on Hematology/Oncology, American Academy of Pediatrics Section on Allergy/Immunology, Lubin BH, Shearer WT. Cord blood banking for potential future transplantation. Pediatrics 2007 Jan;119(1):165-70.

Kliegman RM, Behrman RE, Jenson HB, Stanton BF, eds. Nelson Textbook of Pediatrics. 18th ed. Philadelphia, Pa: Saunders Elsevier; 2007.

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