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Topic:Epidural
Epidural anesthesia in horses involves the administration of anesthetic agents into the epidural space to provide pain relief or facilitate surgical procedures. This technique is commonly used in equine veterinary medicine to manage pain associated with hindlimb, perineal, or abdominal conditions. The procedure requires precise anatomical knowledge to ensure accurate placement of the needle and effective drug delivery. Various drugs, such as local anesthetics and opioids, may be used alone or in combination to achieve the desired anesthetic effect. This page compiles peer-reviewed research studies and scholarly articles that explore the techniques, pharmacology, and clinical applications of epidural anesthesia in equine practice.
Epidural injection of xylazine for perineal analgesia in horses. Local anesthetics given in the epidural space of a horse may cause hind limb weakness in addition to analgesia. Because alpha 2 agonists given by epidural injection cause sensory blockade without motor effects in human beings and other species, their use in veterinary anesthesia is appealing. This study was designed to examine the effectiveness of xylazine HCl, an alpha 2 agonist commonly used in horses. Xylazine, 0.9% NaCl, and lidocaine were given by epidural injection to horses subjected to perineal electrical stimulation. Administration of xylazine (0.17 mg/kg of body weight, diluted to a ...
Plasma mepivacaine concentrations after caudal epidural and subarachnoid injection in the horse: comparative study. The venous plasma concentrations of mepivacaine were determined in 7 adult mares (420 +/- 17.1 kg) given an injection of a 2% solution of the hydrochloride at either the sacral (S2-3 to S5-C1) epidural space or the midsacral (S2-3) subarachnoid space. An average dose of 91.4 +/- 15.7 mg (4.6 +/- 0.8 ml) was needed to produce caudal epidural analgesia (CEA) and 26.7 +/- 5.4 mg (1.3 +/- 0.3 ml) to produce caudal subarachnoid analgesia (CSA). Maximal caudal analgesia extended from spinal cord segments S-1 to coccyx during CEA and CSA. The onset of analgesia as measured by response to superficial ...
