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Prevalence of Acanthamoeba spp. in Tasmanian intensive care clinical specimens.
Bradbury, R S; French, L P; Blizzard, L.
Afiliación
  • Bradbury RS; School of Medicine, University of Tasmania, Medical Sciences Building, Liverpool Street, Hobart, Tasmania, Australia; School of Medical and Applied Sciences, Central Queensland University, Bruce Highway, North Rockhampton, Queensland, Australia. Electronic address: r.bradbury@cqu.edu.au.
  • French LP; Department of Molecular Medicine, Royal Hobart Hospital, Liverpool Street, Hobart, Tasmania, Australia.
  • Blizzard L; Menzies Research Institute, School of Medicine, University of Tasmania, Medical Sciences Building, Liverpool Street, Hobart, Tasmania, Australia.
J Hosp Infect ; 86(3): 178-81, 2014 Mar.
Article en En | MEDLINE | ID: mdl-24530084
BACKGROUND: Acanthamoebae are ubiquitous free-living environmental amoebae that may occasionally cause keratitis, granulomatous encephalitis, cutaneous lesions and systemic disease in humans. Acanthamoeba spp. have been implicated as a vehicle by which a number of common bacterial causes of healthcare-associated pneumonia may enter the lungs. Limited evidence has been found implicating Acanthamoeba spp. as a primary cause of pneumonia and urinary catheter colonization in intensive care patients. AIM: To explore the possibility of colonization of the respiratory and urinary tracts of intensive care patients with free-living amoebae. METHODS: Thirty-nine catheter urines, 50 endotracheal trap sputa and one general ward sputum sample from 45 patients and nine intensive care unit (ICU) environmental water samples were collected during a four-and-half-month period in the Royal Hobart Hospital from August 2011. FINDINGS: Acanthamoebae were isolated by culture and detected by polymerase chain reaction in two sputum samples from a single patient, taken one week apart. A single Acanthamoeba species isolate was detected by culture only from the ICU environment. CONCLUSION: Colonization of ICU patients' respiratory tracts with Acanthamoeba spp. does occur. This may have significance for the role of acanthamoebae as a source of bacterial pathogens in intensive therapy patients' respiratory tracts.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Infecciones del Sistema Respiratorio / Infecciones Urinarias / Acanthamoeba / Infección Hospitalaria / Amebiasis / Unidades de Cuidados Intensivos Tipo de estudio: Prevalence_studies / Risk_factors_studies Límite: Humans País/Región como asunto: Oceania Idioma: En Revista: J Hosp Infect Año: 2014 Tipo del documento: Article Pais de publicación: Reino Unido
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Infecciones del Sistema Respiratorio / Infecciones Urinarias / Acanthamoeba / Infección Hospitalaria / Amebiasis / Unidades de Cuidados Intensivos Tipo de estudio: Prevalence_studies / Risk_factors_studies Límite: Humans País/Región como asunto: Oceania Idioma: En Revista: J Hosp Infect Año: 2014 Tipo del documento: Article Pais de publicación: Reino Unido