Preoperative factors associated with resection and anastomosis in horses presenting with strangulating lesions of the small intestine

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Abstract

Objective: To determine if preoperative and intraoperative clinical variables correlate with resection and anastomosis (RA) in horses presenting with strangulating small intestinal (SI) lesions. Study design: Retrospective case series. Animals: Horses undergoing exploratory celiotomy for a strangulating SI lesion (n = 243). Methods: The records of horses undergoing surgical correction for strangulating SI lesions from January 1, 2000 to December 31, 2017 were reviewed. Horses were categorized as treated with RA or not treated with RA. Obtained information included history, signalment, clinical findings, diagnostic test results, intraoperative findings, and survival to discharge. Univariable and multivariable analyses were used to compare data between horses treated with RA vs those not treated with RA (P =.05). Results: In total, 172 SI lesions were resected, and 71 were not resected. Horses that had gastric reflux at admission to the hospital (odds ratio [OR] 5.56; 95% CI 1.76, 17.59) and horses with amotile SI according to abdominal ultrasonography (OR 9.69; 95% CI 3.09, 30.37) were more likely to undergo RA. Increased difference between peritoneal fluid and blood lactate was higher in horses that underwent RA (OR 1.55; 95% CI 1.12, 2.13). Survival to hospital discharge was lower in the group of horses that underwent RA compared with horses that did not undergo RA. Conclusion: Resection and anastomosis of strangulating SI lesions was associated with several preoperative variables. Clinical significance: This study highlights the value of preoperative diagnostic procedures in aiding intraoperative decision making and prognostication in horses presenting with strangulating SI lesions.

Original languageEnglish (US)
JournalVeterinary Surgery
DOIs
StatePublished - Jan 1 2019

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ASJC Scopus subject areas

  • veterinary(all)

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