ArticleVeterinary surgery : VS2026
Cervical epidural catheter for administration of detomidine and morphine in a model of carpal synovitis in the horse.
Article in Veterinary surgery : VS, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- Technical note on cervical epidural catheterization in two adult horses: Injectate distribution and epidural space effects.Veterinary surgery : VS · 2026Article
- Cervical epidural catheter for administration of detomidine and morphine in a model of carpal synovitis in the horse.Veterinary surgery : VS · 2026Article
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4 authors.
Funding
Abstract
objectiveTo determine the analgesic effects of detomidine and morphine administered by cervical epidural catheter (CEC) on a model of thoracic limb pain. STUDY
designProspective, randomized, blinded crossover study. ANIMALS: Five adult horses.
methodsCervical epidural catheters were placed under ultrasound guidance, followed by induction of lipopolysaccharide (LPS)-mediated carpal synovitis. Horses received either saline or detomidine/morphine (DM; 10 μg/kg, 0.1 mg/kg, respectively) via CEC 4 h after synovitis. After a 7 day washout, synovitis was induced in the contralateral carpus, and the alternate treatment was administered. Evaluations occurred prior to and at 4, 6, 8, 12, 24, 36, and 48 h after synovitis, including physical, lameness, and neurologic exams, pain scoring, mechanical threshold testing, and joint circumference measurement. Mixed-model linear regression was used to assess the effects of time, treatment, and their interaction, with horse as a random effect.
resultsAll DM-treated horses became sedate, and four of five developed hypermetria and ataxia. Four of five DM-treated horses also showed at least a 50% decrease in lameness by 2 h after treatment. Rectal temperature, heart rate, and respiratory rate were elevated in the DM group in comparison with the saline group (p < .027). No differences were observed in mechanical nociceptive thresholds or pain scores between groups.
conclusionThese results support further exploration of cervical epidural treatment with DM for thoracic limb analgesia. CLINICAL SIGNIFICANCE: Further studies are warranted to optimize dosing and assess neurologic side effects of this drug combination.
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