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Examen serológico para Bacillus anthracis - Results

Nombres alternativos

Serología para carbunco; Prueba de anticuerpos para carbunco

Valores normales:

Un valor normal muestra ausencia de anticuerpos. Sin embargo, durante los primeros días a semanas después de la exposición a un antígeno se puede presentar una producción ligera de anticuerpos y, a medida que la enfermedad progresa, la cantidad de éstos aumenta. Si se sospecha de una enfermedad, es posible que sea necesario repetir el examen entre los 10 días a 2 semanas luego de la primera prueba.

Significado de los resultados anormales:

Un resultado anormal significa que se han detectado anticuerpos contra B. anthracis y que la persona puede tener carbunco. Sin embargo, algunas personas se exponen a la bacteria y no desarrollan la enfermedad. Es importante observar un aumento en el conteo de anticuerpos después de varias semanas con el fin de diagnosticar una infección activa (en vez de una infección previa).

Examen de sangre

Reviewed last on: 8/28/2009
Linda Vorvick, MD, Medical Director, MEDEX Northwest Division of Physician Assistant Studies, University of Washington School of Medicine; Jatin M. Vyas, MD, PhD, Assistant Professor in Medicine, Harvard Medical School, Assistant in Medicine, Division of Infectious Disease, Department of Medicine, Massachusetts General Hospital. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

Referencias

Daly JA. Bioterrorism: Microbiology. In: McPherson RA, Pincus MR. Henry's Clinical Diagnosis and Management by Laboratory Methods. 21st ed. Philadelphia, Pa: Saunders Elsevier; 2006: chap 64.

Lucey D. Anthrax. In: Mandell GL, Bennett JE, Dolin R, eds. Principles and Practice of Infectious Diseases. 6th ed. Philadelphia, Pa: Churchill Livingstone Elsevier; 2005: chap 324.

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