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J Hosp Infect. 2001 Jun;48(2):86-92.

Molecular analysis of relapse vs re-infection in HIV-positive patients suffering from recurrent Clostridium difficile associated diarrhoea.

Author information

1
Servicio de Microbiología y Enfermedades Infecciosas, Hospital General Universitario 'Gregorio Marañón', Madrid, Spain. ralonso@microb.net

Abstract

Recurrence is a major complication of Clostridium difficile associated diarrhoea, especially in human immunodeficiency virus (HIV) positive patients, and it is important to distinguish between relapse and re-infection in recurrent episodes. The aim of our study was to analyse C. difficile isolates obtained from HIV-positive patients with recurrent diarrhoea in order to distinguish between relapse and re-infection. This analysis was based on the study of DNA similarities among isolates obtained from different episodes within each patient. Relapses occurred in 64% of patients, 32% suffered re-infections and a combination of relapse plus re-infection was seen in 4%. DNA typing methods can be useful tools to characterize recurrent episodes of C. difficile associated disease.

PMID:
11428873
DOI:
10.1053/jhin.2001.0943
[Indexed for MEDLINE]

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