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Enfermedad del legionario - Overview

Nombres alternativos

Neumonía por Legionela; Fiebre de Pontiac

Definición:

Es una infección respiratoria aguda causada por la bacteria Legionella.

Causas:

Las bacterias que causan la enfermedad del legionario se han encontrado en los sistemas de suministro de agua y pueden sobrevivir en ambientes cálidos, húmedos y sistemas de aire acondicionado que existen en edificaciones grandes, como los hospitales.

La mayoría de los casos son causados por Legionella pneumophila. El resto de los casos es causado por otras especies de Legionela.

No se ha demostrado que exista la propagación de la bacteria de una persona a otra.

Aunque la enfermedad se ha reportado en niños, la mayoría de las infecciones ocurre en adultos de mediana edad o en personas mayores. Normalmente, la enfermedad es menos severa en los niños.

Entre los factores de riesgo se encuentran:

  • Reviewed last on: 2/19/2011
  • Linda J. Vorvick, MD, Medical Director, MEDEX Northwest Division of Physician Assistant Studies, University of Washington School of Medicine; and Denis Hadjiliadis, MD, Assistant Professor of Medicine, Division of Pulmonary, Allergy and Critical Care, University of Pennsylvania, Philadelphia, PA. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

Referencias

Edelstein PH, Ciancioti NP. Legionella. In: Mandell GL, Bennett JE, Dolin R, eds. Principles and Practice of Infectious Diseases. 7th ed. Philadelphia, Pa: Elsevier Churchill Livingstone;2009:chap 232.

Torres A. Menéndez R, Wunderink R. Pyrogenic bacterial pneumonia and lung abscess. In: Mason RJ, Broaddus VC, Martin TR, et al. Murray & Nadel's Textbook of Respiratory Medicine. 5th ed. Philadelphia, Pa: Saunders Elsevier;2010:chap 32.

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