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Steagall PVM, Simon BT, Teixeira Neto FJ, Luna SPL. An Update on Drugs Used for Lumbosacral Epidural Anesthesia and Analgesia in Dogs. Front Vet Sci 2017; 4:68. [PMID: 28553642 PMCID: PMC5427076 DOI: 10.3389/fvets.2017.00068] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2016] [Accepted: 04/20/2017] [Indexed: 12/20/2022] Open
Abstract
This review aims to report an update on drugs administered into the epidural space for anesthesia and analgesia in dogs, describing their potential advantages and disadvantages in the clinical setting. Databases searched include Pubmed, Google scholar, and CAB abstracts. Benefits of administering local anesthetics, opioids, and alpha2 agonists into the epidural space include the use of lower doses of general anesthetics (anesthetic “sparing” effect), perioperative analgesia, and reduced side effects associated with systemic administration of drugs. However, the potential for cardiorespiratory compromise, neurotoxicity, and other adverse effects should be considered when using the epidural route of administration. When these variables are considered, the epidural technique is useful as a complementary method of anesthesia for preventive and postoperative analgesia and/or as part of a balanced anesthesia technique.
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Affiliation(s)
- Paulo V M Steagall
- Faculty of Veterinary Medicine, Department of Clinical Sciences, Université de Montréal, Saint-Hyacinthe, QC, Canada
| | - Bradley T Simon
- Department of Small Animal Clinical Sciences, College of Veterinary Medicine and Biomedical Sciences, Texas A&M University, College Station, TX, USA
| | - Francisco J Teixeira Neto
- Faculty of Veterinary Medicine and Animal Science, Department of Veterinary Surgery and Anaesthesiology, Universidade Estadual Paulista (UNESP), Botucatu, Brazil
| | - Stelio P L Luna
- Faculty of Veterinary Medicine and Animal Science, Department of Veterinary Surgery and Anaesthesiology, Universidade Estadual Paulista (UNESP), Botucatu, Brazil
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Perez TE, Grubb TL, Greene SA, Meyer S, Valdez N, Bingman J, Farnsworth R. Effects of intratesticular injection of bupivacaine and epidural administration of morphine in dogs undergoing castration. J Am Vet Med Assoc 2013; 242:631-42. [DOI: 10.2460/javma.242.5.631] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Krugner-Higby L, Smith L, Schmidt B, Wunsch L, Smetana A, Brown C, Heath TD. Experimental Pharmacodynamics and Analgesic Efficacy of Liposome-Encapsulated Hydromorphone in Dogs. J Am Anim Hosp Assoc 2011; 47:185-95. [DOI: 10.5326/jaaha-ms-5599] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
The purpose of this study was to determine the experimental side effects of liposome-encapsulated hydromorphone (LE-Hydro) in beagles and to evaluate LE-Hydro analgesia in dogs undergoing ovariohysterectomies (OVH). Beagles were injected subcutaneously with 1–3 mg/kg LE-Hydro or 0.1 mg/kg hydromorphone. Dogs were evaluated for sedation, temperature, respiratory rate, and heart rate. OVH dogs were injected with 2 mg/kg LE-Hydro subcutaneously or 0.2 mg/kg morphine and 0.05 mg/kg acepromazine intramuscularly. Side effects of LE-Hydro were within clinically acceptable limits. The analgesic efficacy was superior in dogs administered LE-Hydro at 12 hr postsurgically. LE-Hydro provided adequate, durable analgesia in dogs undergoing OVH.
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Affiliation(s)
- Lisa Krugner-Higby
- Research Animal Resources Center (L.K-H.), the School of Pharmacy (T.H), and Department of Surgical Sciences (L.K-H., L.S., B.S., L.W., A.S., C.B.), University of Wisconsin-Madison, Madison, WI
| | - Lesley Smith
- Research Animal Resources Center (L.K-H.), the School of Pharmacy (T.H), and Department of Surgical Sciences (L.K-H., L.S., B.S., L.W., A.S., C.B.), University of Wisconsin-Madison, Madison, WI
| | - Brynn Schmidt
- Research Animal Resources Center (L.K-H.), the School of Pharmacy (T.H), and Department of Surgical Sciences (L.K-H., L.S., B.S., L.W., A.S., C.B.), University of Wisconsin-Madison, Madison, WI
| | - Laura Wunsch
- Research Animal Resources Center (L.K-H.), the School of Pharmacy (T.H), and Department of Surgical Sciences (L.K-H., L.S., B.S., L.W., A.S., C.B.), University of Wisconsin-Madison, Madison, WI
| | - Andrea Smetana
- Research Animal Resources Center (L.K-H.), the School of Pharmacy (T.H), and Department of Surgical Sciences (L.K-H., L.S., B.S., L.W., A.S., C.B.), University of Wisconsin-Madison, Madison, WI
| | - Carolyn Brown
- Research Animal Resources Center (L.K-H.), the School of Pharmacy (T.H), and Department of Surgical Sciences (L.K-H., L.S., B.S., L.W., A.S., C.B.), University of Wisconsin-Madison, Madison, WI
| | - Timothy D. Heath
- Research Animal Resources Center (L.K-H.), the School of Pharmacy (T.H), and Department of Surgical Sciences (L.K-H., L.S., B.S., L.W., A.S., C.B.), University of Wisconsin-Madison, Madison, WI
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Abelson AL, Armitage-Chan E, Lindsey JC, Wetmore LA. A comparison of epidural morphine with low dose bupivacaine versus epidural morphine alone on motor and respiratory function in dogs following splenectomy. Vet Anaesth Analg 2011; 38:213-23. [DOI: 10.1111/j.1467-2995.2011.00601.x] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Freire CD, Torres MLA, Fantoni DT, Cavalcanti RL, Noel-Morgan J. Bupivacaine 0.25% and methylene blue spread with epidural anesthesia in dog. Vet Anaesth Analg 2010; 37:63-9. [DOI: 10.1111/j.1467-2995.2009.00493.x] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Lamont LA. Adjunctive analgesic therapy in veterinary medicine. Vet Clin North Am Small Anim Pract 2009; 38:1187-203, v. [PMID: 18954680 DOI: 10.1016/j.cvsm.2008.06.002] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
Abstract
Adjunctive analgesic therapies are interventions for pain that involve agents or techniques other than the traditional analgesics (opioids, nonsteroidal anti-inflammatory drugs, and local anesthetics). Adjunctive therapies may be pharmacologic or nonpharmacologic in nature. The focus of this article is on pharmacologic interventions with potential utility as adjunctive analgesics in veterinary medicine. Pharmacology of selected agents, including medetomidine, ketamine, amantadine, gabapentin, systemic lidocaine, and pamidronate, is discussed in addition to evidence for their safety and efficacy and guidelines for their use in veterinary patients.
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Affiliation(s)
- Leigh A Lamont
- Department of Companion Animals, Atlantic Veterinary College, University of Prince Edward Island, 550 University Avenue, Charlottetown, Prince Edward Island, Canada C1A 4P3.
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Abstract
This paper is the 28th consecutive installment of the annual review of research concerning the endogenous opioid system, now spanning over a quarter-century of research. It summarizes papers published during 2005 that studied the behavioral effects of molecular, pharmacological and genetic manipulation of opioid peptides, opioid receptors, opioid agonists and opioid antagonists. The particular topics that continue to be covered include the molecular-biochemical effects and neurochemical localization studies of endogenous opioids and their receptors related to behavior (Section 2), and the roles of these opioid peptides and receptors in pain and analgesia (Section 3); stress and social status (Section 4); tolerance and dependence (Section 5); learning and memory (Section 6); eating and drinking (Section 7); alcohol and drugs of abuse (Section 8); sexual activity and hormones, pregnancy, development and endocrinology (Section 9); mental illness and mood (Section 10); seizures and neurologic disorders (Section 11); electrical-related activity, neurophysiology and transmitter release (Section 12); general activity and locomotion (Section 13); gastrointestinal, renal and hepatic functions (Section 14); cardiovascular responses (Section 15); respiration and thermoregulation (Section 16); immunological responses (Section 17).
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Affiliation(s)
- Richard J Bodnar
- Department of Psychology and Neuropsychology Doctoral Sub-Program, Queens College, City University of New York, 65-30 Kissena Blvd., Flushing, NY 11367, USA.
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Guedes AGP, Pluhar GE, Daubs BM, Rudé EP. Effects of preoperative epidural administration of racemic ketamine for analgesia in sheep undergoing surgery. Am J Vet Res 2006; 67:222-9. [PMID: 16454625 DOI: 10.2460/ajvr.67.2.222] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
OBJECTIVE To investigate the effects of preoperative epidural administration of racemic ketamine to provide analgesia in sheep undergoing experimental hind limb orthopedic surgery. ANIMALS 12 adult sheep (weight range, 51.4 to 67.2 kg). PROCEDURE Sheep were anesthetized with guaifenesin, thiopental, and isoflurane; after induction of anesthesia, sheep received a lumbosacral epidural injection of ketamine (1 mg/kg; n = 6) or saline (0.9% NaCl) solution (1 mL/7 kg; 6 [control group]). Respiratory and cardiovascular variables were recorded before and at intervals during and for 6 hours after anesthesia. During that 6-hour postoperative period, analgesia was evaluated subjectively with a numeric ranking scale that included assessments of comfort, posture, movement, and response to wound palpation; buprenorphine was administered when a score > 3 (maximum score, 10) was achieved. Rectal temperature, heart and respiratory rates, and lameness were evaluated daily for 2 weeks after surgery. RESULTS At all evaluations, cardiovascular and respiratory variables were comparable between the 2 groups. Compared with control sheep, time to first administration of rescue analgesic was significantly longer and total dose of buprenorphine administered during the 6- hour postoperative period was significantly decreased for ketamine-treated sheep. During the second week following surgery, ketamine-treated sheep had significantly less lameness than control sheep. CONCLUSIONS AND CLINICAL RELEVANCE In sheep undergoing hind limb surgery, preoperative epidural administration of ketamine appears to provide analgesia in the immediate postoperative period and has residual analgesic effects, which may contribute to more rapid return of normal function in surgically treated limbs.
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Affiliation(s)
- Alonso G P Guedes
- Department of Veterinary Clinical Sciences, College of Veterinary Medicine, University of Minnesota, Saint Paul, MN 55108-1016, USA
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