Diagnostic approaches, aetiological agents and their associations with short-term survival and laminitis in horses with acute diarrhoea admitted to referral institutions
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Diagnostic approaches, aetiological agents and their associations with short-term survival and laminitis in horses with acute diarrhoea admitted to referral institutions. / Gomez, Diego E.; Arroyo, Luis G.; Schoster, Angelika; Renaud, David L.; Kopper, Jamie J.; Dunkel, Bettina; Byrne, David; The Multicenter Equine Diarrhea (MEDS) group; Toribio, Ramiro E.; Pihl, Tina H. (Member of author collaboration).
In: Equine Veterinary Journal, 2024.Research output: Contribution to journal › Journal article › Research › peer-review
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T1 - Diagnostic approaches, aetiological agents and their associations with short-term survival and laminitis in horses with acute diarrhoea admitted to referral institutions
AU - Gomez, Diego E.
AU - Arroyo, Luis G.
AU - Schoster, Angelika
AU - Renaud, David L.
AU - Kopper, Jamie J.
AU - Dunkel, Bettina
AU - Byrne, David
AU - The Multicenter Equine Diarrhea (MEDS) group
AU - Toribio, Ramiro E.
A2 - Pihl, Tina H.
N1 - Publisher Copyright: © 2023 The Authors. Equine Veterinary Journal published by John Wiley & Sons Ltd on behalf of EVJ Ltd.
PY - 2024
Y1 - 2024
N2 - Background: An international description of the diagnostic approaches used in different institutions to diagnose acute equine diarrhoea and the pathogens detected is lacking. Objectives: To describe the diagnostic approach, aetiological agents, outcome, and development of laminitis for diarrhoeic horses worldwide. Study design: Multicentre retrospective case series. Methods: Information from horses with acute diarrhoea presenting to participating institutions between 2016 and 2020, including diagnostic approaches, pathogens detected and their associations with outcomes, were compared between institutions or geographic regions. Results: One thousand four hundred and thirty-eight horses from 26 participating institutions from 4 continents were included. Overall, aetiological testing was limited (44% for Salmonella spp., 42% for Neorickettsia risticii [only North America], 40% for Clostridiodes difficile, and 29% for ECoV); however, 13% (81/633) of horses tested positive for Salmonella, 13% (35/262) for N. risticii, 9% (37/422) for ECoV, and 5% (27/578) for C. difficile. C. difficile positive cases had greater odds of non-survival than horses negative for C. difficile (OR: 2.69, 95%CI: 1.23–5.91). In addition, horses that were positive for N. risticii had greater odds of developing laminitis than negative horses (OR: 2.76, 95%CI: 1.12–6.81; p = 0.029). Main limitations: Due to the study's retrospective nature, there are missing data. Conclusions: This study highlighted limited diagnostic investigations in cases of acute equine diarrhoea. Detection rates of pathogens are similar to previous reports. Non-survival and development of laminitis are related to certain detected pathogens.
AB - Background: An international description of the diagnostic approaches used in different institutions to diagnose acute equine diarrhoea and the pathogens detected is lacking. Objectives: To describe the diagnostic approach, aetiological agents, outcome, and development of laminitis for diarrhoeic horses worldwide. Study design: Multicentre retrospective case series. Methods: Information from horses with acute diarrhoea presenting to participating institutions between 2016 and 2020, including diagnostic approaches, pathogens detected and their associations with outcomes, were compared between institutions or geographic regions. Results: One thousand four hundred and thirty-eight horses from 26 participating institutions from 4 continents were included. Overall, aetiological testing was limited (44% for Salmonella spp., 42% for Neorickettsia risticii [only North America], 40% for Clostridiodes difficile, and 29% for ECoV); however, 13% (81/633) of horses tested positive for Salmonella, 13% (35/262) for N. risticii, 9% (37/422) for ECoV, and 5% (27/578) for C. difficile. C. difficile positive cases had greater odds of non-survival than horses negative for C. difficile (OR: 2.69, 95%CI: 1.23–5.91). In addition, horses that were positive for N. risticii had greater odds of developing laminitis than negative horses (OR: 2.76, 95%CI: 1.12–6.81; p = 0.029). Main limitations: Due to the study's retrospective nature, there are missing data. Conclusions: This study highlighted limited diagnostic investigations in cases of acute equine diarrhoea. Detection rates of pathogens are similar to previous reports. Non-survival and development of laminitis are related to certain detected pathogens.
KW - antimicrobial associated diarrhoea
KW - Clostridiosis
KW - horse
KW - Potomac horse fever
KW - sand diarrhoea
U2 - 10.1111/evj.14024
DO - 10.1111/evj.14024
M3 - Journal article
C2 - 37984355
AN - SCOPUS:85177229558
JO - Equine Veterinary Journal
JF - Equine Veterinary Journal
SN - 0425-1644
ER -
ID: 384344087