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Aspirado y cultivo del intestino delgado - All Information

Definición:

Es un examen de laboratorio para verificar si hay una infección en el intestino delgado.

Forma en que se realiza el examen:

Se necesita una muestra de líquido del intestino delgado, lo cual requiere un procedimiento llamado esofagogastroduodenoscopia (EGD). Para mayor información sobre este procedimiento, ver el artículo: EGD.

El líquido se coloca en un plato especial en el laboratorio y se observa si hay proliferación de organismos. Esto se llama cultivo.

Lo que se siente durante el examen:

El examen del cultivo en el laboratorio no involucra al paciente. Para mayor información sobre la forma como se siente el examen para obtener la muestra, ver el artículo sobre esofagogastroduodenoscopia (EGD).

Razones por las que se realiza el examen:

El médico puede ordenar este examen si usted tiene signos de proliferación bacteriana excesiva en el tubo digestivo y, por lo general, no es el primer examen que se haría.

Normalmente, pequeñas cantidades de bacterias están presentes en el intestino delgado y no causan enfermedad. Sin embargo, el examen puede realizarse cuando el médico sospecha que la proliferación excesiva de bacterias intestinales está causando diarrea.

Valores normales:

No deben encontrarse microorganismos patógenos bajo condiciones normales.

Los rangos de los valores normales pueden variar ligeramente entre diferentes laboratorios. Hable con el médico acerca del significado de los resultados específicos de su examen.

Significado de los resultados anormales:

Los resultados anormales pueden ser un signo de infección.

Cuáles son los riesgos:

No existen riesgos asociados con un cultivo de laboratorio.

  • Reviewed last on: 4/18/2010
  • Linda J. Vorvick, MD, Medical Director, MEDEX Northwest Division of Physician Assistant Studies, University of Washington, School of Medicine; George F Longstreth, MD, Department of Gastroenterology, Kaiser Permanente Medical Care Program, San Diego, California. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

Referencias

Kazura JW. Nematode infections. In: Goldman L, Ausiello D, eds. Cecil Medicine. 23rd ed. Philadelphia, Pa: Saunders Elsevier; 2007:chap 378.

Kaye KS, Kay D. Salmonella infections (including typhoid fever). In: Goldman L, Ausiello D, eds. Cecil Medicine. 23rd ed. Philadelphia, Pa: Saunders Elsevier; 2007:chap 329.

Hill DR, Nash TE. Giardia lamblia. In: Mandell GL, Bennett JE, Dolin R, eds. Principles and Practice of Infectious Diseases. 7th ed. Philadelphia, Pa: Elsevier Churchill Livingstone; 2009:chap 280.

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