Colic Surgery in Horses: A Retrospective Study Into Short- and Long-Term Survival Rate, Complications and Rehabilitation toward Sporting Activity

Loon, Johannes P.A.M. van; Visser, Emi M.S.; Mourik, Marjolein de Mik-van; Kerbert, Pieternel; Huppes, Tsjester; Menke, Eveline S.

doi:10.1016/j.jevs.2020.103012

Cited by 17 publications

(30 citation statements)

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“…However, the STS varies according to the specific diagnosis, severity, and required treatment [ 5 , 6 , 13 ]. Few studies have researched the STS of medically treated colic in hospital populations [ 5 , 6 ], whereas the STS of surgically treated cases has been studied more thoroughly [ 5 , 6 , 13 – 15 ]. Colic is a high-ranking health concern for horse owners, and both medical and surgical treatment can have considerable economic costs, even when treatment is futile [ 2 , 14 , 16 – 18 ].…”

Section: Introductionmentioning

confidence: 99%

Short-term survival rates of 1397 horses referred for colic from 2010 to 2018

et al. 2022

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Background Up-to-date and hospital-specific knowledge of prognoses for horses with various forms of colic is essential for helping to guide owners’ decisions on costly treatments, and for assessing the continuous development of standards of care in the hospital. This study aimed to determine the short-term survival rates of horses admitted with colic to the University Hospital for Large Animals (UHLA), University of Copenhagen, Denmark, from 2010 to 2018, and to compare these to a previous local study as well as recent, comparable international studies. Short-term survival rates were calculated for horses grouped by treatment (surgical, medical) and diseases. Results were compared to the selected studies using Chi-square tests. Results A total of 1752 horses were admitted with colic during the period, of which 355 were excluded for reasons such as economic restrictions or immediate euthanasia. Short-term survival of the remaining 1397 cases was significantly higher (83.0% (95% CI 81.1–85.0%)) than a previous local study (76%) and a recent Dutch study (80%). Medical treatment was carried out in 77.1% of cases, and surgery in 22.9% of the cases. Short-term survival for medically (89.7%) and surgically (60.6%) treated horses was significantly higher in the present study compared to the previous study (87% and 42%, respectively), but was similar to that found in the Dutch study. Significantly fewer horses were euthanised during surgery than in the previous study (17.2 vs. 40%), and significantly more horses recovered from surgery (79.1 vs. 56%). Short-term survival rate of surgically treated horses (60.6%) did not differ from other European studies (55–62%). Conclusions Short-term survival rates have increased since the previous study at UHLA, mainly due to a decrease in intraoperative euthanasia. Survival rates in this study are similar to those found in recent comparable colic studies.

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Section: Introductionmentioning

confidence: 99%

Short-term survival rates of 1397 horses referred for colic from 2010 to 2018

et al. 2022

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“…All seven studies were retrospective with four case series (Christophersen et al 2011;Davis et al 2013;Immonen et al 2017;van Loon et al 2020) which were classified level four on the Oxford Centre for Evidence-Based Medicine classification of levels of evidence (OCEBM Levels of Evidence Working Group 2011). Three studies were retrospective cohort studies with untreated controls (Tomlinson et al 2013;Hart et al 2014;Holcombe et al 2019).…”

Section: Discussionmentioning

confidence: 99%

“…The number of horses investigated varied between studies but were generally small numbers (n = 11-236). Three studies objectively measured return to athletic function using national database information (Tomlinson et al 2013;Hart et al 2014;Immonen et al 2017) whereas four studies used only subjective assessment from owner questionnaires (Christophersen et al 2011;Davis et al 2013;Holcombe et al 2019;van Loon et al 2020). The types of performance investigated were racehorses in two studies and a mixture of disciplines in five studies.…”

Section: Discussionmentioning

confidence: 99%

“…Return to athletic function following colic surgery was found to be between 61 and 90%. Of note, only three studies (Davis et al 2013;Hart et al 2014;van Loon et al 2020) specifically differentiated the long-term follow-up between nonstrangulating large intestinal disease and other types of colic. Davis et al (2013) found that at one-year post-colic surgery for treatment of nonstrangulating large intestinal displacements 75% of horses were back in work.…”

Section: Discussionmentioning

confidence: 99%

“…Van Loon et al (2020) also investigated the rehabilitation period and the effect on performance. Of the 64% of the overall population of horses returning to equal or better performance after colic surgery, 46% of owners reported behavioural or riding problems in their horses that were not present prior to surgery with issues such as lateral bending, collecting and extending gaits when getting the horse back into work (van Loon et al 2020). This information was gathered from subjective owner questionnaires which could influence the reliability; however, it highlights that the initial rehabilitation period is important when evaluating return to athletic function.…”

Section: Discussionmentioning

confidence: 99%

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In performance horses undergoing surgical treatment for nonstrangulating large intestinal displacements, will performance be reduced compared to before surgery?

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The equine ascarids: resuscitating historic model organisms for modern purposes

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The equine ascarids, Parascaris spp., are important nematode parasites of juvenile horses and were historically model organisms in the field of cell biology, leading to many important discoveries, and are used for the study of chromatin diminution. In veterinary parasitology, Parascaris spp. are important not only because they can cause clinical disease in young horses but also because they are the only ascarid parasites to have developed widespread anthelmintic resistance. Despite this, much of the general biology and mechanisms of anthelmintic resistance are poorly understood. This review condenses known basic biological information and knowledge on the mechanisms of anthelmintic resistance in Parascaris spp., highlighting the importance of foundational research programs. Although two variants of this parasite were recognized based on the number of chromosomes in the 1870s and suggested to be two species in 1890, one of these, P. univalens , appears to have been largely forgotten in the veterinary scientific literature over the past 100 years. We describe how this omission has had a century-long effect on nomenclature and data analysis in the field, highlighting the importance of proper specimen identification in public repositories. A summary of important basic biology, including life cycle, in vitro maintenance, and immunology, is given, and areas of future research for the improvement of knowledge and development of new systems are given. Finally, the limited knowledge regarding anthelmintic resistance in Parascaris spp. is summarized, along with caution regarding assumptions that resistance mechanisms can be applied across clades.

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Colic Surgery in Horses: A Retrospective Study Into Short- and Long-Term Survival Rate, Complications and Rehabilitation toward Sporting Activity

Cited by 17 publications

References 17 publications

Short-term survival rates of 1397 horses referred for colic from 2010 to 2018

Short-term survival rates of 1397 horses referred for colic from 2010 to 2018

In performance horses undergoing surgical treatment for nonstrangulating large intestinal displacements, will performance be reduced compared to before surgery?

The equine ascarids: resuscitating historic model organisms for modern purposes

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