Peer-reviewed veterinary case report
Lidocaine infusion helps control pain during dog surgery anesthesia
By Ortega, Maria & Cruz, Ignacio·Published in The Canadian veterinary journal = La revue veterinaire canadienne·2011·Veterinary Teaching Hospital, Spain·View original on PubMed →
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Original publication title: Evaluation of a constant rate infusion of lidocaine for balanced anesthesia in dogs undergoing surgery.
- Species:
- dog
Plain-English summary
A group of 41 dogs undergoing surgery received either a constant rate infusion of lidocaine or a placebo to see how well it managed pain during the procedure. The dogs that received lidocaine needed less additional pain relief compared to those that got the placebo, indicating that lidocaine was effective in reducing pain responses during surgery. This approach helped keep the dogs more comfortable while under anesthesia. Overall, using lidocaine as part of the anesthesia plan showed promising results in minimizing pain during surgical procedures.
People also search for: dog surgery pain management · lidocaine for dogs · anesthesia in dogs · how to manage pain in dogs after surgery
Abstract
This study assessed the intraoperative analgesic effects of intravenous lidocaine administered by a constant rate infusion (CRI) in surgical canine patients. A prospective, blinded, randomized study was designed with 2 treatment groups: A (lidocaine) and B (placebo), involving 41 dogs. All patients were premedicated with acepromazine and buprenorphine, induced with propofol and midazolam; anesthesia was maintained with isoflurane in oxygen. Group A received 2 mg/kg IV lidocaine immediately after induction, followed within 5 min by a CRI at 50 μg/kg/min. Group B received an equivalent volume of saline instead of lidocaine. Changes in heart rate and blood pressure during maintenance were treated by increasing CRI. Fentanyl was used as a supplemental analgesic when intraoperative nociceptive response was not controlled with the maximum dose of lidocaine infusion. There was a significantly lower use of supplemental intraoperative analgesia in the lidocaine than in the placebo group. Group B dogs had almost twice as high a risk of intraoperative nociceptive response as group A dogs.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/22294791/