Peer-reviewed veterinary case report
Pain relief and recovery after two dog leg surgery anesthesia types
By Sarotti, Diego et al.·Published in BMC veterinary research·2022·Centro Veterinario Fossanese, Italy·View original on PubMed →
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Original publication title: A comparison of 0.375% ropivacaine psoas compartment block and 2% prilocaine spinal anaesthesia in dogs undergoing tibial plateau levelling osteotomy.
- Species:
- dog
Plain-English summary
A group of dogs undergoing knee surgery (tibial plateau levelling osteotomy) received either spinal anesthesia with prilocaine or a psoas compartment block with ropivacaine to manage pain. The results showed that while both methods were effective, the spinal anesthesia group needed more rescue pain relief during surgery compared to the psoas block group. Most dogs recovered from the anesthesia within three hours, but some experienced mild side effects like itching or urinary retention. Overall, both anesthesia techniques were safe and suitable for same-day surgery, but the psoas block may offer better pain control during the procedure.
People also search for: dog knee surgery pain management · spinal anesthesia for dogs · psoas block in dogs
Abstract
BACKGROUND: In dogs undergoing routine elective orthopaedic surgeries carried out as same-day surgeries regional anaesthetic techniques (RATs) should aim to produce analgesia but minimising the postoperative motor dysfunction. Our objective was to compare the perioperative analgesic effects and the time to motor recovery between spinal anaesthesia (SA) with hyperbaric solution of prilocaine 2% (mg = 4 x [0.3 × BW (kg) + 0.05 × SCL (cm)]) and morphine (0.03 mg/kg) and combined ultrasound (US) and electro stimulator-guided psoas compartment and ischiatic nerve block (PB) with ropivacaine 0.375% (0.45 mL/kg). Dogs undergoing tibial plateau levelling osteotomy (TPLO) were randomly assigned to receive either SA or PB. Procedural failure, perioperative rescue analgesia, motor block recovery and complications were recorded. RESULTS: Procedural failure rate (PFR) was 19% (7 out of 36) for SA and 9% (3 out of 32) for PB (p = 0.31). Intraoperative rescue analgesia was administered to 6/29 (21%) SA group dogs and in 15/29 (52%) PB group dogs, respectively (p = 0.03). At 3 h after RAT, percentage of dogs with complete block recovery was 25/29 (86%) and 25/29 (86%) in group SA and PB, respectively (p = 1). Two cases of pruritus and one case of urinary retention were recorded in the SA group. Residual ischiatic nerve block was noted at 12 h after RAT in 2/15 (13%) of dogs in group PB; it completely resolved 24 h after RAT. CONCLUSIONS: SA with prilocaine 2% and PB with ropivacaine 0.37% were found suitable for dogs undergoing same-day TPLO surgery. Pruritus and urinary retention in SA and residual block in both groups might occasionally delay the time of discharge.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/35549713/