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Salla K, Åhlberg T, Lepajoe J, Kallio-Kujala I, Mölsä S, Casoni D. Efficacy of lumbosacral and sacrococcygeal epidural ropivacaine in dogs undergoing surgery for perineal hernia. Front Vet Sci 2023; 10:1163025. [PMID: 37808102 PMCID: PMC10551457 DOI: 10.3389/fvets.2023.1163025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2023] [Accepted: 08/30/2023] [Indexed: 10/10/2023] Open
Abstract
Epidural anesthesia is commonly administered as part of balanced anesthesia for perioperative analgesia. The main goal of this randomized clinical trial was to compare the efficacy of two epidural approaches in dogs undergoing surgery for a perineal hernia. A secondary aim was to compare motor blockade. Intact ASA 1 and 2 male dogs, weighing ≤25 kg with no previous surgery for perineal hernia were enrolled. After premedication with IM acepromazine 0.02 mg/kg and butorphanol 0.3 mg/kg, general anesthesia was induced with propofol and maintained with sevoflurane in oxygen. Dogs were randomly allocated to receive either a lumbosacral (LS, n = 30) or a sacrococcygeal (SC, n = 26) epidural injection with ropivacaine 1% (0.2 mL/kg) under computed tomography guidance. Successful analgesia was defined as no need of intraoperative rescue analgesia (fentanyl 3 μg/kg IV). Clinical failure was defined as the need of more than two boluses of fentanyl/h each dog received meloxicam 0.2 mg/kg IV at the end of the surgery. The Glasgow Composite Pain Scale short form (GCPS-SF), tactile sensitivity, pressure pain thresholds and motor blockade were assessed at 4, 6, 8, and 24 h after the epidural injection. Methadone (0.2 mg/kg, IV) was administered if the GCPS-SF was ≥6/24 points. Differences between groups were analyzed with the Mann-Whitney U test, Student's t-test or Fisher's Exact test, as appropriate. Success rate was assessed for non-inferiority between groups. The non-inferiority margin was set at -10%. Epidural analgesia was successful in 24 dogs in group LS and 17 dogs in group SC (p = 0.243), resulting in success rates of 80 and 65% in LS and SC groups, respectively. The non-inferiority of group SC versus group LS was confirmed. Clinical failure was recorded in two dogs in group LS and one dog in group SC. No significant differences between groups were detected in the GCPS-SF score, tactile sensitivity, pressure pain thresholds, need of post-operative methadone, or motor blockade. Both epidural techniques are valuable analgesic options for perineal hernia repair in dogs.
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Affiliation(s)
- Kati Salla
- Department of Equine and Small Animal Medicine, Faculty of Veterinary Medicine, University of Helsinki, Helsinki, Finland
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Morgaz J, Latorre DF, Serrano-Rodríguez JM, Granados MM, Domínguez JM, Fernández-Sarmiento JA, Quiros-Carmona S, Navarrete-Calvo R. Preperitoneal ropivacaine infusion versus epidural ropivacaine-morphine for postoperative analgesia in dogs undergoing ovariohysterectomy: a randomized clinical trial. Vet Anaesth Analg 2021; 48:935-942. [PMID: 34561181 DOI: 10.1016/j.vaa.2021.04.009] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2020] [Revised: 04/02/2021] [Accepted: 04/21/2021] [Indexed: 11/16/2022]
Abstract
OBJECTIVE To assess the effect of continuous wound infusion (CWI) with preperitoneal ropivacaine on postoperative analgesia and compare it with the epidural administration of ropivacaine and morphine in bitches undergoing ovariohysterectomy. STUDY DESIGN A parallel, randomized, clinical, prospective and nonblinded study. ANIMALS A group of 38 Greyhound bitches. METHODS In the catheter group (CathG), CWI with ropivacaine 1% (1 mg kg-1 + 0.8 mg kg-1 hour-1) was applied to the preperitoneal space over the surgical incision. In the epidural group (EpiG), ropivacaine 0.5% (1.3 mg kg-1) and morphine (0.1 mg kg-1) were epidurally administered. Occipital-coccygeal length was used to calculate the volume for the epidural. Pain was scored using a dynamic interactive visual analogue scale (DIVAS) and Glasgow composite measure pain scale-short form (CMPS-SF) before anaesthesia and at 2, 4, 6, 18, 21 and 24 hours after extubation. Incisional sensitivity using a dynamometer (MWTs-incision) was evaluated simultaneously. Plasma ropivacaine and cortisol concentrations, degree of sedation, motor blockade and response to interdigital clamping were measured or assessed. A two-way mixed analysis of variance and a Mann-Whitney U test were used to analyse data; p < 0.05. RESULTS No differences were detected in the DIVAS (p = 0.301), CMPS-SF (p = 0.600) scores, MWTs-incision measurements (p = 0.257) and cortisol values (p = 0.878) between the groups. Rescue analgesia was required in two dogs, one in each group, at 2 hours. Sedation, motor blockade and negative response to interdigital clamping were detected in EpiG at 2, 4 and 6 hours. Mean plasma ropivacaine values were higher in CathG (0.475 ± 0.164 ng mL-1) than in EpiG (0.184 ± 0.213 ng mL-1; p = 0.001). CONCLUSION AND CLINICAL RELEVANCE Compared with epidural ropivacaine and morphine, CWI with preperitoneal ropivacaine is an effective analgesic technique for postoperative pain management in bitches undergoing ovariohysterectomy without motor blockade.
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Affiliation(s)
- Juan Morgaz
- Department of Animal Medicine and Surgery, Veterinary Faculty, University of Córdoba, Córdoba, Spain.
| | - David F Latorre
- Health Sciences Faculty in the Technology University of Pereira, Pereira, Colombia
| | - Juan M Serrano-Rodríguez
- Department of Nursing, Pharmacology and Physiotherapy, Pharmacology Area, University of Córdoba, Córdoba, Spain
| | - María M Granados
- Department of Animal Medicine and Surgery, Veterinary Faculty, University of Córdoba, Córdoba, Spain
| | - Juan M Domínguez
- Department of Animal Medicine and Surgery, Veterinary Faculty, University of Córdoba, Córdoba, Spain
| | | | - Setefilla Quiros-Carmona
- Department of Animal Medicine and Surgery, Veterinary Faculty, University of Córdoba, Córdoba, Spain
| | - Rocío Navarrete-Calvo
- Department of Animal Medicine and Surgery, Veterinary Faculty, University of Córdoba, Córdoba, Spain
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Marolf V, Spadavecchia C, Müller N, Sandersen C, Rohrbach H. Opioid requirements after locoregional anaesthesia in dogs undergoing tibial plateau levelling osteotomy: a pilot study. Vet Anaesth Analg 2021; 48:398-406. [PMID: 33714620 DOI: 10.1016/j.vaa.2020.10.010] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2020] [Revised: 08/16/2020] [Accepted: 10/16/2020] [Indexed: 11/16/2022]
Abstract
OBJECTIVE To determine the intraoperative and early postoperative opioid requirement after ultrasound-guided sciatic and/or femoral nerve block or epidural anaesthesia in dogs undergoing tibial plateau levelling osteotomy (TPLO). STUDY DESIGN Prospective, masked, pilot, randomized, clinical trial. ANIMALS A total of 40 client-owned dogs undergoing TPLO. METHODS Each dog was randomly assigned to group SF (combined sciatic and femoral nerve block), group S (sciatic nerve block), group F (femoral nerve block) or group E (epidural anaesthesia). A total of 0.3 mL kg-1 of ropivacaine 0.5% was administered to each nerve or in the epidural space. Intraoperatively, fentanyl (2 μg kg-1) was administered intravenously when heart rate, mean arterial pressure or respiratory rate increased by >30% compared with baseline values. Postoperatively, a visual analogue scale (VAS) and a modified German version of the French pain scale (4AVet) were used to assess pain every 30 minutes for 150 minutes and again once the morning after surgery. Methadone (0.1 mg kg-1) was administered intravenously if the VAS was ≥ 4 cm [maximal value 10 cm; median (interquartile range)] or the composite pain score was ≥5 [maximal value 15; median (interquartile range)]. Significance was defined as p ≤ 0.05. RESULTS Groups SF and E required less total intraoperative and early postoperative opioid doses compared with groups S and F (p = 0.031). No dogs in group SF had a block failure or required postoperative methadone. A reduced methadone requirement was found in group SF compared with all the other groups up to 150 minutes after recovery (p = 0.041). CONCLUSIONS AND CLINICAL RELEVANCE Combined sciatic and femoral nerve block and epidural anaesthesia lead to less cumulative consumption of perioperative opioids than single nerve blockade. Sciatic or femoral nerve block alone might be insufficient to control nociception and early postoperative pain in dogs undergoing TPLO.
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Affiliation(s)
- Vincent Marolf
- Department of Clinical Sciences, Faculty of Veterinary Medicine, University of Liège, Liège, Belgium.
| | - Claudia Spadavecchia
- Vetsuisse Faculty, Department of Clinical Veterinary Medicine, Bern, Switzerland
| | - Nicole Müller
- Vetsuisse Faculty, Department of Clinical Veterinary Medicine, Bern, Switzerland
| | - Charlotte Sandersen
- Department of Clinical Sciences, Faculty of Veterinary Medicine, University of Liège, Liège, Belgium
| | - Helene Rohrbach
- Vetsuisse Faculty, Department of Clinical Veterinary Medicine, Bern, Switzerland
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Use of acupuncture as adjuvant analgesic technique in dogs undergoing thoracolumbar hemilaminectomy. Vet J 2020; 264:105536. [PMID: 33012443 DOI: 10.1016/j.tvjl.2020.105536] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2020] [Revised: 09/01/2020] [Accepted: 09/01/2020] [Indexed: 11/23/2022]
Abstract
The aim of this study was to investigate the analgesic efficacy of a preoperative acupuncture treatment in 24 client-owned dogs undergoing thoracolumbar hemilaminectomy. Dogs were randomly assigned to either group A (Acupuncture) or group C (Control). Before skin incision, group A was treated with acupuncture, performed under general anaesthesia for 30 min. Rescue intraoperative fentanyl was administered following a 20% increase in cardiovascular parameters compared to baseline values, measured before incision. An observer masked to the treatment assessed pain, pre- and postoperatively, with the Glasgow (GCPS), the Colorado (CPS) pain scales and a Visual Analogue Scale (VAS); additionally, the mechanical thresholds (MT) were measured with the Electronic von Frey Anaesthesiometer (EVF) at four points located near the herniated disc. The groups were compared with respect to intraoperative cardiovascular and respiratory variables, rescue fentanyl administered in total and at different surgical events (first incision [FI], drilling [DR], disc removal [RE] and skin suturing [ST]), and pre- and postoperative pain scores and MT. Group A received less fentanyl than group C (P = 0.014); this difference was significant at FI P = 0.035) and RE (P = 0.004). The improvement in postoperative CPS score (P = 0.013), VAS score (P = 0.003) and MT (P = 0.001) compared to preoperative values was greater for group A than for group C, whereas the treatment assignment had no effect on postoperative changes in GCPS compared to baseline. Pre-operative acupuncture may help improving perioperative analgesia in dogs with intervertebral disc herniation undergoing thoracolumbar hemilaminectomy.
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Thomas L, Francini L, Sinotti J, Chan W, Druziani J, Fukushima F. Bloqueio motor e sensitivo da lidocaína ou da ropivacaína peridural em cães. ARQ BRAS MED VET ZOO 2020. [DOI: 10.1590/1678-4162-11737] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
RESUMO Objetivou-se avaliar o bloqueio sensitivo e motor da administração peridural de 0,2mL/kg de duas concentrações de ropivacaína em comparação à lidocaína em cães. Utilizaram-se 24 cães, distribuídos em quatro grupos: NaCl a 0,9% (GS), lidocaína a 2% (GL), ropivacaína a 0,5% (GR5) e ropivacaína a 0,75% (GR7,5). Avaliaram-se a presença de movimentação espontânea, deambulação, sensibilidade superficial e profunda nos momentos cinco, 10, 15, 20, 25, 30, 45, 60, 90, 120, 180, 240 e 300 minutos após peridural. O retorno à movimentação espontânea foi semelhante entre GL (42,50 ± 6,12) e GR7,5 (69,2 ± 58,9). O tempo para deambulação foi mais prolongado em GR7,5 (107,5 ± 79,3) que em GS (9,2 ± 3,8) e em GR5 (32,5 ± 20,9). O retorno da sensibilidade profunda foi maior em GR 7,5 (152,5 ± 89,2) que em GS (5,8 ± 2,0), GR5 (46,7 ± 46,3) e GL (52,5 ± 20,7). O tempo de retorno da sensibilidade superficial foi maior em GR7,5 (205,0 ± 129,3) que em GS (7,5 ± 2,7), GL (72,5 ± 19,9) e GR5 (97,5 ± 55,1). Apesar do retorno precoce da movimentação, ropivacaína 0,75% está relacionada a tempo prolongado de recuperação da função muscular e bloqueio sensitivo mais prolongado que lidocaína e ropivacaína 0,5%.
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Affiliation(s)
| | | | | | - W.S. Chan
- Universidade Federal de Minas Gerais, Brazil
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Andrade N, Santos B, Caires L, Azevedo M, Martins Filho E, Sande J, Costa Neto J, Barbosa V. Ropivacaína isolada ou associada à metadona ou à morfina, pela via epidural, em cadelas submetidas à ovário-histerectomia. ARQ BRAS MED VET ZOO 2019. [DOI: 10.1590/1678-4162-10359] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
RESUMO Objetivou-se avaliar os efeitos fisiológicos, sedativos e analgésicos da administração peridural de ropivacaína isolada ou associada à morfina ou à metadona. Para tal, 24 cadelas submetidas à ovário-histerectomia receberam acepromazina, e a anestesia foi induzida e mantida com propofol e isoflurano (FiO2 = 1,0), respectivamente. De acordo com o protocolo peridural, formaram-se três grupos de igual número: GR (ropivacaína - 2,0mg/kg); GRMETA (ropivacaína - 2,0mg/kg e metadona - 0,3mg/kg) e GRMORF (ropivacaína - 2,0mg/kg e morfina - 0,1mg/kg). Registraram-se os parâmetros fisiológicos intraoperatórios e os graus de sedação e analgesia pós-operatórios. No GR constataram-se maiores médias de pressões arteriais 30 minutos após a anestesia epidural em relação ao GRMETA (sistólica e média) e ao final do procedimento cirúrgico comparativamente ao GRMORF (sistólica, diastólica e média). Não foram observadas diferenças significativas entre os grupos relativamente à analgesia e ao grau de sedação pós-operatórios. A administração epidural de ropivacaína é segura e eficaz e proporciona boa analgesia, independentemente da sua associação com morfina ou metadona.
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Garcia-Pereira F. Epidural anesthesia and analgesia in small animal practice: An update. Vet J 2018; 242:24-32. [PMID: 30503540 DOI: 10.1016/j.tvjl.2018.09.007] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2017] [Revised: 09/05/2018] [Accepted: 09/07/2018] [Indexed: 11/15/2022]
Abstract
Epidural anesthesia is a commonly performed technique in both human and veterinary medicine. The technique is relatively simple following appropriate training and provides anesthesia and analgesia for acute and chronic pain. Several drug combinations have been administered by this route with variable success and duration. Multiple techniques to guide or confirm correct epidural needle placement are discussed in this article, as well as anatomical features of the epidural space, effect of drug volume and concentration, and adverse effects of the technique in small animal practice. This article is not an exhaustive review of the literature, but an update of some new findings over the last decade.
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Affiliation(s)
- F Garcia-Pereira
- Large Animal Clinical Sciences, College of Veterinary Medicine, University of Florida, 2015 SW 16th Avenue, Gainesville, FL, 32610 USA.
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Straticò P, Varasano V, Suriano R, Mariscoli M, Robbe D, Giammarco M, Vignola G, Petrizzi L. Analgesic effects of intravenous flunixin and intrafunicular lidocaine or their combination for castration of lambs. Vet Rec Open 2018; 5:e000266. [PMID: 30018767 PMCID: PMC6045707 DOI: 10.1136/vetreco-2017-000266] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2017] [Revised: 05/03/2018] [Accepted: 05/15/2018] [Indexed: 11/11/2022] Open
Abstract
Objective To analyse the effectiveness of intrafunicular lidocaine and intravenous flunixin for reducing pain and signs of stress in lambs undergoing surgical castration. Design Randomised controlled trial. Setting One university teaching hospital in Italy. Participants 30 healthy male lambs, 9–12 weeks old. Intervention Allocation to five groups: a control group (C), undergoing general anaesthesia but not castration; a surgery group (S), undergoing orchiectomy without analgesic treatment; a surgery-lidocaine group (SL), undergoing orchiectomy and receiving intrafunicular 2 per cent lidocaine solution; a surgery-flunixin group (SF), undergoing orchiectomy and receiving intravenous flunixin; a surgery-flunixin-lidocaine group (SFL), undergoing orchiectomy and receiving both intrafunicular lidocaine and intravenous flunixin. Main outcome measures Nociception and stress were assessed through intraoperative indicators, serum cortisol concentration, glycaemia, behaviour, immune response and clinical evaluation of the heart rate (HR), respiratory rate and rectal temperature after surgery. Results Groups S and SL showed increased values of intraoperative HR, mean arterial pressure and postoperative cortisol concentration. In group SFL, cortisol values were similar to those of group C. No other difference could be detected. Conclusions The combination of intravenous flunixin and intrafunicular lidocaine reduced the pain and discomfort of lambs castrated under general anaesthesia. Intrafunicular lidocaine alone did not prevent pain or discomfort associated with castration. Trial registration number 30/2012/CEISA/COM.
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Affiliation(s)
- Paola Straticò
- Faculty of Veterinary Science, University of Teramo, Località Piano D'Accio, Italy
| | - Vincenzo Varasano
- Faculty of Veterinary Science, University of Teramo, Località Piano D'Accio, Italy
| | - Riccardo Suriano
- Faculty of Veterinary Science, University of Teramo, Località Piano D'Accio, Italy
| | - Massimo Mariscoli
- Faculty of Veterinary Science, University of Teramo, Località Piano D'Accio, Italy
| | - Domenico Robbe
- Faculty of Veterinary Science, University of Teramo, Località Piano D'Accio, Italy
| | - Melania Giammarco
- Faculty of Veterinary Science, University of Teramo, Località Piano D'Accio, Italy
| | - Giorgio Vignola
- Faculty of Veterinary Science, University of Teramo, Località Piano D'Accio, Italy
| | - Lucio Petrizzi
- Faculty of Veterinary Science, University of Teramo, Località Piano D'Accio, Italy
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Hofmeister EH, Barletta M, Shepard M, Brainard BM, Trim CM, Quandt J. Agreement among anesthesiologists regarding postoperative pain assessment in dogs. Vet Anaesth Analg 2018; 45:695-702. [PMID: 30078533 DOI: 10.1016/j.vaa.2018.04.001] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2017] [Revised: 03/19/2018] [Accepted: 04/06/2018] [Indexed: 12/22/2022]
Abstract
OBJECTIVE To establish evidence for the validity and reliability of three commonly used pain scales in dogs when assessed by video by specialists in anesthesia. STUDY DESIGN Mixed-method test-retest observational study. SUBJECTS A group of six American College of Veterinary Anesthesia and Analgesia board-certified specialists and 31 postoperative dogs. METHODS The evaluators scored 31 dogs using a visual analogue scale (VAS), numeric rating scale (NRS), and Glasgow pain scale (GPS). The evaluators individually scored the dogs using all three scales together and subsequently, at 3 month intervals, using each of the scales apart. Then, all evaluators in one room reviewed 23 of the videos. A camera was positioned for video and audio recording of discussion about the videos. Intra- and interobserver reliability was determined using a two-way random model intra-class correlation coefficient (ICC). RESULTS Linear regression indicated a strong correlation among all scales when assigned together (VAS versus NRS, p < 0.0001, R2 = 0.93; VAS versus GPS, p < 0.0001, R2 = 0.59; and NRS versus GPS, p < 0.0001, R2 = 0.61) and apart (VAS versus NRS, p < 0.0001, R2 = 0.68; VAS versus GPS, p < 0.0001, R2 = 0.40; and NRS versus GPS, p < 0.0001, R2 = 0.47). Posture, appearance, vocalization, stiffness, interaction between the animal and a person and response to palpation were identified as important variables for assessing pain. Intra-observer reliability produced average ICC values of 0.90 for VAS, 0.89 for NRS and 0.85 for GPS. Interobserver reliability produced average ICC values when scores were assigned together (VAS: 0.93, NRS: 0.93 and GPS: 0.93) and when done separately (VAS: 0.91, NRS: 0.93 and GPS: 0.95). CONCLUSIONS AND CLINICAL RELEVANCE The preferred use of the VAS and NRS over the use of the GPS should be cautiously considered for research applications when experts are observers. Revisions of the GPS to clarify descriptors and remove or modify items that may not be associated with pain in dogs should be considered.
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Affiliation(s)
- Erik H Hofmeister
- Department of Surgery, College of Veterinary Medicine, Midwestern University, Glendale, AZ, USA.
| | - Michele Barletta
- Department of Large Animal Medicine, College of Veterinary Medicine, University of Georgia, Athens, GA, USA
| | | | - Benjamin M Brainard
- Department of Small Animal Medicine & Surgery, College of Veterinary Medicine, University of Georgia, Athens, GA, USA
| | - Cynthia M Trim
- Department of Large Animal Medicine, College of Veterinary Medicine, University of Georgia, Athens, GA, USA
| | - Jane Quandt
- Department of Small Animal Medicine & Surgery, College of Veterinary Medicine, University of Georgia, Athens, GA, USA
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Lardone E, Peirone B, Adami C. Combination of magnesium sulphate and ropivacaine epidural analgesia for hip arthroplasty in dogs. Vet Anaesth Analg 2017; 44:1227-1235. [DOI: 10.1016/j.vaa.2016.11.016] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2016] [Revised: 10/20/2016] [Accepted: 11/10/2016] [Indexed: 11/26/2022]
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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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Adami C, Casoni D, Noussitou F, Rytz U, Spadavecchia C. Addition of magnesium sulphate to ropivacaine for spinal analgesia in dogs undergoing tibial plateau levelling osteotomy. Vet J 2016; 209:163-8. [DOI: 10.1016/j.tvjl.2015.11.017] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2015] [Revised: 11/13/2015] [Accepted: 11/27/2015] [Indexed: 11/30/2022]
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McCally RE, Bukoski A, Branson KR, Fox DB, Cook JL. Comparison of Short-Term Postoperative Analgesia by Epidural, Femoral Nerve Block, or Combination Femoral and Sciatic Nerve Block in Dogs Undergoing Tibial Plateau Leveling Osteotomy. Vet Surg 2015; 44:983-7. [DOI: 10.1111/vsu.12406] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
| | | | | | | | - James L. Cook
- Comparative Orthopaedic Laboratory; Missouri Orthopaedic Institute; University of Missouri; Columbia Missouri
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Lauretti GR, de Azevedo VMS, Portes Lopes BC, de Mattos AL. Comparison between the intravenous and caudal routes of sufentanil in children undergoing orchidopexy and further evaluation of the association of caudal adrenaline and neostigmine. Saudi J Anaesth 2014; 8:345-50. [PMID: 25191184 PMCID: PMC4141382 DOI: 10.4103/1658-354x.136430] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
Background: The aim of this study was to compare the intravenous (IV) and caudal routes of administration of sufentanil for children undergoing orchidopexy and also to evaluate the effects on addition of caudal adrenaline and neostigmine. Materials and Methods: Sixty patients scheduled for orchidopexy were divided into the following groups: 1) Group IVSu received IV 0.5 μg/kg sufentanil and caudal saline; 2) Group CSu received caudal 0.5 μg/kg sufentanil and IV saline; 3) Group CSuAdr received caudal sufentanil plus adrenaline 5 μg/ml (1:200,000) and IV saline; 4) Group CSuNeo received caudal sufentanil plus neostigmine, and IV saline; and 5) Group CSuNeoAdr received caudal sufentanil plus neostigmine plus adrenaline, and IV saline. Heart rate and mean blood pressure >15% was treated with increasing isoflurane concentration. Consumption of isoflurane, side effects, quality of sleep, time to first administration of analgesic, and number of doses of 24-h rescue analgesic were recorded. Results: Groups were demographically similar. Isoflurane consumption showed the following association: Group IVSu = Group CSuNeo = Group CSuNeoAdr < Group CSu = Group CSuAdr (P < 0.02). VAS for sedation on reversal of anesthesia showed the following association: Group CSuNeo = Group CSuNeoAdr < Group CSu = Group CSuAdr = Group IVSu (P < 0.005). Time to the first administration of dipyrone showed the following association: Group IVSu = Group CSu = Group CSuAdr (3-4 h) < Group CSuNeo = Group CSuNeoAdr (10-11 h) (P < 0.05). Number of doses of rescue analgesic showed the following association: Group IVSu = Group CSu = Group CSuAdr > Group CSuNeo = Group CSuNeoAdr (P < 0.005). Incidence of adverse effects was similar among groups. Conclusion: Caudal sufentanil alone was no better than when administered in the IV route, and would just be justified by the association of neostigmine, but not adrenaline. Neostigmine association resulted in better perioperative analgesia.
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Affiliation(s)
- Gabriela Rocha Lauretti
- Department of Biomechanics, Medicine and Rehabilitation of Locomotor Members, Teaching Hospital, School of Medicine of Ribeirão Preto, University of São Paulo, Brazil
| | | | - Bruno Carvalho Portes Lopes
- Department of Biomechanics, Medicine and Rehabilitation of Locomotor Members, Teaching Hospital, School of Medicine of Ribeirão Preto, University of São Paulo, Brazil
| | - Anita Leocadia de Mattos
- Department of Biomechanics, Medicine and Rehabilitation of Locomotor Members, Teaching Hospital, School of Medicine of Ribeirão Preto, University of São Paulo, Brazil
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Comparison of Two Doses of Ropivacaine Hydrochloride for Lumbosacral Epidural Anaesthesia in Goats Undergoing Laparoscopy Assisted Embryo Transfer. INTERNATIONAL SCHOLARLY RESEARCH NOTICES 2014; 2014:937018. [PMID: 27382609 PMCID: PMC4897202 DOI: 10.1155/2014/937018] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/14/2014] [Revised: 07/07/2014] [Accepted: 07/08/2014] [Indexed: 11/17/2022]
Abstract
Goats (n = 12) undergoing laparoscopy assisted embryo transfer were randomly allotted to two groups (I and II) and injected same volume of ropivacaine hydrochloride at 1.0 mg/kg and 0.5 mg/kg body weight, respectively, at the lumbosacral epidural space. The hind quarters of all the animals were lifted up for the first 3.0 minutes following injection. Immediately after induction the animals were restrained in dorsal recumbency in Trendelenburg position in a cradle. Laparoscopy was performed after achieving pneumoperitoneum using filtered room air. Regional analgesia and changes in physiological parameters were recorded. The mean induction time in animals of group I (n = 6) was 12.666 ± 1.994 minutes. In these animals the analgesia extended up to the umbilical region and lasted for 60 minutes. Only two animals in group II were satisfactorily induced in 11.333 ± 2.333 minutes. In animals of group I, the time taken for regaining the full motor power was significantly long (405 ± 46.314 min) when compared to group II goats (95 ± 9.219 min). From this study it was concluded that ropivacaine did not produce adequate analgesia in most of the goats at 0.5 mg/kg. When used at 1.0 mg/kg, it produced satisfactory regional analgesia lasting for one hour but the prolonged motor loss precludes its use. Additional studies using ropivacaine hydrochloride at doses in between the two extremes used here may be undertaken before recommending it for lumbosacral anaesthesia in goats undergoing laparoscopy.
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Adami C, Dayer T, Spadavecchia C, Angeli G. Ultrasound-guided pudendal nerve block in cats undergoing perineal urethrostomy: a prospective, randomised, investigator-blind, placebo-controlled clinical trial. J Feline Med Surg 2013; 16:340-5. [PMID: 24174501 DOI: 10.1177/1098612x13509082] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
The objective of this study was to evaluate the clinical usefulness, in terms of analgesic efficacy and safety, of ultrasound-guided pudendal nerve block performed with bupivacaine in cats undergoing perineal urethrostomy. Eighteen client-owned male cats scheduled for perineal urethrostomy were enrolled in the study and assigned to one of two treatment groups. The pudendal nerve block was performed under general anaesthesia, as described elsewhere, with 0.3 ml/kg of either saline (group C) or 0.5% bupivacaine (group B) - the total injection volume being split equally between the two sites of injection (left and right). Intra-operatively, assessment of nociception was based on the rescue analgesics requirement, as well as on the evaluation of changes in physiological parameters in comparison with the baseline values. Postoperative pain assessment was performed using three different pain scales at recovery and then 1, 2 and 3 h after recovery. Cats in group B showed lower heart rates and required fewer analgesics during surgery than group C. Postoperatively, group B had lower pain scores and needed less rescue buprenorphine than group C. Iatrogenic block-related complications were not observed. In conclusion, the ultrasound-guided pudendal nerve block can be considered clinically useful in feline medicine as it provides reliable analgesia in cats undergoing perineal urethrostomy.
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Affiliation(s)
- Chiara Adami
- 1Department of Veterinary Clinical Science, Anaesthesiology and Pain Therapy Division, Vetsuisse Faculty, University of Berne, Berne, Switzerland
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