Diagnostic importance of Clostridium perfringens enterotoxin analysis in recurring enteritis among elderly, chronic care psychiatric patients

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Abstract
A series of Clostridium perfringens-related gastrointestinal outbreaks occurred over a period of several months among elderly, chronic care patients in a psychiatric hospital. Several serotypes of C. perfringens and many nontypeable isolates were found. The distribution of certain serotypes and the incidence of detection of enterotoxin in fecal extracts were related to wards on which patients were resident (six wards were involved). Several patients were reported to have chronic or recurring fecal incontinence or diarrhea or both. With a background of elevated spore counts of several serotypes and chronic diarrhea, only detection of enterotoxin could provide definitive evidence of C. perfringens etiology in gastroenteritis cases.