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West Indian med. j ; 48(1): 16-19, Mar. 1999.
Artículo en Inglés | LILACS | ID: lil-473126

RESUMEN

Organisms of the Mycobacterium fortuitum complex are recognised but uncommon causes of pulmonary disease, primary cutaneous disease and a wide spectrum of nosocomial infections. M fortuitum was isolated from 20 patients over a 15 month period, with an apparent clustering of isolates occurring from January to March 1994. The molecular epidemiology of this clustering was investigated using an arbitrary primer polymerase chain reaction method (AP-PCR). 21 isolates were studied, which yielded 13 distinct profiles. Multiple isolates from a single patient yielded identical profiles. All of seven isolates recovered during the six week period from January to March 1994 shared a common profile which was distinct from all other isolates, suggesting that a single strain was isolated from specimens from all seven patients. The source of this cluster is uncertain. We can find no epidemiological basis for an episode of cross-infection within the hospital environment, and it is assumed that contamination of the specimens during collection, transport or processing was responsible for the [quot ]pseudo-outbreak[quot ] of M fortuitum.


Asunto(s)
Humanos , Infección Hospitalaria/diagnóstico , Infecciones por Mycobacterium no Tuberculosas/diagnóstico , Mycobacterium fortuitum/clasificación , Manejo de Especímenes , Bronquiectasia/microbiología , Epidemiología Molecular , Esputo/microbiología , Estudios Retrospectivos , Heces/microbiología , Infecciones Oportunistas Relacionadas con el SIDA/diagnóstico , Infecciones del Sistema Respiratorio/diagnóstico , Mycobacterium fortuitum/genética , Neumonía Bacteriana/diagnóstico , Enfermedades Pulmonares Obstructivas/microbiología , Reacción en Cadena de la Polimerasa , Vasculitis/microbiología
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