| Acute small intestinal obstruction associated with Parascaris equorum infection in young horses: 25 cases (1985-2004). | |
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MedLine Citation:
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PMID: 17151735 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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AIMS: To retrospectively evaluate the medical and surgical records of horses with acute small intestinal obstructions associated with Parascaris equorum infection; to describe the gastrointestinal lesions; and to determine the outcome of cases with such lesions. METHODS: Records of 25 horses with acute small intestinal obstruction associated with P. equorum between 1985 and 2004 were reviewed to determine signalment, history, physical examination, surgical or post-mortem findings, and outcome. RESULTS: All horses except one were less than 12 months old. Standardbreds were over-represented in the population studied. Sixteen horses (72%) had been administered anthelmintics, including pyrantel (n=8), ivermectin (n=7), and trichlorphon (n=1), within 24 h prior to the onset of colic. Of the 25 cases reviewed, 16 had simple obstructive ascarid impactions (SOAIs), and nine had complicated obstructive ascarid impaction (COAI) including volvulus (n=6) or intussusception (n=3), both concurrent with ascarid impaction of the small intestine. Short-term survival (discharge from hospital) occurred in 79% of horses treated for SOAI, and was 64% for all horses. Long-term survival (>1 year) occurred in 33% of horses with SOAI, and the overall long-term survival was 27% for all horses. Formation of adhesions was the most frequent finding associated with death for horses that did not survive long-term. CONCLUSIONS AND CLINICAL RELEVANCE: The incidence of anthelmintic treatment within 24 h of the onset of colic in this study population (72%) was higher than that previously reported. Resistance of P. equorum to ivermectin recently reported in Ontario may be associated with increased ascarid burdens, predisposing horses to ascarid impaction. The long-term survival of these horses was better than that reported previously. |
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Authors:
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N C Cribb; N M Cote; L P Bouré; A S Peregrine |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: New Zealand veterinary journal Volume: 54 ISSN: 0048-0169 ISO Abbreviation: N Z Vet J Publication Date: 2006 Dec |
Date Detail:
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Created Date: 2006-12-07 Completed Date: 2007-01-16 Revised Date: 2009-11-11 |
Medline Journal Info:
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Nlm Unique ID: 0021406 Medline TA: N Z Vet J Country: New Zealand |
Other Details:
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Languages: eng Pagination: 338-43 Citation Subset: IM |
Affiliation:
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Department of Clinical Studies, Ontario Veterinary College, University of Guelph, Guelph, Ontario, Canada N1G 2W1. ncribb@ovc.uoguelph.ca |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Animals Animals, Newborn / parasitology Anthelmintics / therapeutic use* Ascaridida Infections / drug therapy, mortality, surgery, veterinary* Ascaridoidea* Colic / drug therapy, mortality, surgery, veterinary Drug Resistance Female Horse Diseases / drug therapy, mortality, surgery* Horses Intestinal Obstruction / drug therapy, mortality, surgery, veterinary* Intestine, Small / parasitology, pathology, surgery Male Postoperative Complications / veterinary Retrospective Studies Survival Analysis Time Factors Treatment Outcome |
| Chemical | |
Reg. No./Substance:
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0/Anthelmintics |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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