期刊
JOURNAL OF VETERINARY INTERNAL MEDICINE
卷 35, 期 2, 页码 1140-1146出版社
WILEY
DOI: 10.1111/jvim.16094
关键词
gastrointestinal; infection control; infectious diseases; nosocomial
资金
- Equine Guelph
This study longitudinally evaluated Clostridium difficile shedding in neonatal foals and mares in a referral hospital neonatal intensive care unit. The results showed Clostridium difficile was isolated from 25% of samples, with at least one positive sample in 40% of foals and 31% of mares. Various ribotypes were identified, with ribotype 078 predominating.
Background Understanding the epidemiology of Clostridium difficile is important for the development and assessment of infection prevention and control practices, as well as surveillance methods and interpretation of diagnostic testing results. Objective Our objective was to longitudinally evaluate C. difficile shedding in neonatal foals and mares admitted to a referral hospital neonatal intensive care unit. Animals Foals admitted to a neonatal intensive care unit, along with their dams. Methods Rectal swabs were collected from mares and foals at admission, and then approximately every 3 days, when possible. Selective culture for C. difficile was performed and isolates were characterized by toxin gene PCR and ribotyping. Results Clostridium difficile was isolated from 103/409 (25%) samples; 65/208 (31%) from foals and 38/201 (19%) from mares. Cumulatively, C. difficile was isolated from at least 1 sample from 50/113 (44%) foals and 30/97 (31%) mares. No association was found between hospitalization day and isolation of C. difficile (P = .13). Twenty-three different ribotypes were identified, with ribotype 078 predominating. Fifteen foals had 2 positive samples during hospitalization. In only 6/15 (40%) foals was the same strain identified both times (5 ribotype 078 and 1 ribotype 012). Conclusions and Clinical Importance Clostridium difficile is an important pathogen in adult horses and foals, and our findings highlight the complexity surrounding the epidemiology of this opportunistic pathogen. It can be found commonly, transiently, and cluster within a facility in the absence of identifiable disease occurrences or clusters.
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