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Related Experiment Video

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Risk factors associated with gastrointestinal dysfunction in horses undergoing elective procedures under general

B B Nelson1, E E Lordan, D M Hassel

  • 1Department of Clinical Sciences, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, USA.

Equine Veterinary Journal. Supplement
|December 6, 2013
PubMed
Summary

Post-anesthetic colic in horses is linked to breed, elevated blood lactate, and delayed fecal passage. Arabian horses showed a higher risk, emphasizing the need for preventative measures during elective procedures.

Keywords:
anaesthesiacoliccomplicationshorselactatesurgery

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Area of Science:

  • Equine surgery
  • Veterinary anesthesia
  • Gastrointestinal physiology

Background:

  • Gastrointestinal dysfunction, including colic, is a common complication following elective anesthesia in horses.
  • Identifying risk factors is crucial for developing preventative strategies to reduce post-anesthetic colic.

Purpose of the Study:

  • To investigate risk factors associated with gastrointestinal dysfunction and post-anesthetic colic in horses undergoing elective procedures.
  • To analyze the relationship between various factors and the occurrence of colic after general anesthesia.

Main Methods:

  • A retrospective case series design was employed, analyzing medical records of adult horses from 2008 to 2010.
  • Univariable logistic regression was used to examine potential risk factors, followed by backward elimination for a final multivariate model.
  • Statistical significance was set at P<0.25 for initial analysis.

Main Results:

  • Colic or delayed fecal output occurred in 8.7% of 416 horses.
  • Significant risk factors included Arabian breed, intraoperative blood lactate levels, right lateral recumbency, post-anesthetic rectal temperature, and time to first fecal passage.
  • Arabian horses had a higher likelihood of colic (30.8%). Increased blood lactate correlated with higher odds of colic (OR: 1.4).

Conclusions:

  • The study determined the prevalence of colic in horses undergoing elective anesthesia at the studied hospital.
  • Arabian horses, elevated blood lactate, and delayed fecal passage are significantly associated with an increased risk of gastrointestinal dysfunction post-anesthesia.