Peer-reviewed veterinary case report
Pain relief with ultrasound nerve block for dog bile duct surgery
By Watanabe, Ryota et al.·Published in The Canadian veterinary journal = La revue veterinaire canadienne·2024·Department of Small Animal Clinical Sciences, United States·View original on PubMed →
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Original publication title: Perioperative analgesic management using bilateral ultrasound-guided lateral quadratus lumborum block in a dog with extrahepatic biliary obstruction.
- Species:
- dog
Plain-English summary
A 7-year-old mixed-breed dog was suffering from severe vomiting and abdominal pain due to a blockage in the bile duct caused by pancreatitis. After medical treatments failed, the dog underwent surgery to relieve the obstruction. To manage pain during and after the procedure, veterinarians used a special technique called a lateral quadratus lumborum block, which helped reduce the need for opioids and provided effective pain relief. The dog experienced a smoother recovery and was more comfortable in the days following surgery.
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Abstract
Extrahepatic bile-duct obstruction is commonly caused by pancreatitis in canines. Surgical decompression of the biliary tree is required when medical management is unsuccessful. The clinical presentation often includes severe vomiting and abdominal pain requiring targeted analgesic and anesthetic protocols. Locoregional anesthesia has been largely advocated as part of multimodal analgesic plans to reduce opioid consumption and decrease opioid-related side effects. This report describes a case where the lateral quadratus lumborum block provided effective analgesia and opioid-sparing effect in a 7-year-old mixed-breed dog with extrahepatic bile-duct obstruction undergoing common bile-duct stent placement. Key clinical message: Anesthetic stability in critically ill patients undergoing abdominal surgery is challenging. However, implementation of an ultrasound-guided locoregional technique may help blunt the sympathetic response to surgery and reduce opioid requirements, facilitating anesthetic stability and a comfortable early postoperative period. This is apparently the first report on using ultrasound-guided quadratus lumborum block in a critically ill dog with pancreatitis.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/39649750/