| Sudden death in racing Thoroughbred horses: An international multicentre study of post mortem findings. | |
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MedLine Citation:
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PMID: 21492210 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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Reasons for performing study: To improve the understanding of exercise related sudden death in Thoroughbred racehorses. Objectives: To describe the post mortem findings in cases of sudden death associated with exercise in 268 Thoroughbred racehorses. Methods: Gross and histological post mortem findings of 268 cases of sudden death were collated and reviewed. Cases originated from 6 racing jurisdictions around the world. Sudden death was defined as acute collapse and death in a closely observed and previously apparently healthy Thoroughbred racehorse, during, or within one hour after, exercise. Cause of death as determined by the attending pathologist was categorised as definitive, presumptive or unexplained and compared between the different populations. Cardiopulmonary lesions recorded at post mortem examination were compared between different populations. Results: Pathologists recorded a definitive cause of death in 53% (143/268) of cases. Major definitive causes of sudden death included cardiac failure, apparent pulmonary failure, pulmonary haemorrhage, haemorrhage associated with pelvic fractures or with idiopathic blood vessel rupture, and spinal cord injury. A presumptive cause of death was made in 25% (67/268) of cases and death remained unexplained in 22% (58/268) of cases. There were several statistically significant inter-population differences in the cause of death and in reporting of cardiopulmonary lesions. Conclusions: Sudden death can be attributed to a variety of causes. Causes of sudden death and the lesions found in cases of exercise-related sudden death are similar in different racing jurisdictions. However, the lesions are often not specific for the cause of death and determination of the cause of death is therefore affected by interpretation by the individual pathologist. |
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Authors:
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C H Lyle; F A Uzal; B C McGorum; H Aida; K J Blissitt; J T Case; J T Charles; I Gardner; N Horadagoda; K Kusano; K Lam; J D Pack; T D Parkin; R F Slocombe; B D Stewart; L A Boden |
Publication Detail:
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Type: JOURNAL ARTICLE Date: 2010-9-14 |
Journal Detail:
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Title: Equine veterinary journal Volume: 43 ISSN: 0425-1644 ISO Abbreviation: - Publication Date: 2011 May |
Date Detail:
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Created Date: 2011-4-15 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0173320 Medline TA: Equine Vet J Country: - |
Other Details:
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Languages: ENG Pagination: 324-331 Citation Subset: - |
Copyright Information:
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© 2010 EVJ Ltd. |
Affiliation:
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Royal (Dick) School of Veterinary Studies, University of Edinburgh, Easter Bush Veterinary Centre, UK; California Animal Health and Food Safety Laboratory System, University of California Davis, USAEquine Research InstituteRacehorse Hospital, Miho Training Centre, JapanNational Library of Medicine, National Institutes of Health, United States Department of Health and Human ServicesVeterinary Clinical Centre, University of Melbourne, Australia;Department of Medicine and Epidemiology, School of Veterinary Medicine, University of California, USAUniversity Veterinary Teaching Hospital Camden, University of Sydney, AustraliaDepartment of Veterinary Regulation and International Liaison, Hong Kong Jockey Club, Sha Tin Racecourse, Hong KongPennsylvania National Racetrack and Pennsylvania Animal Diagnostic Laboratory, USACollege of Medical, Veterinary and Life Sciences, University of Glasgow, UK. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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