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Graff SM, Wilson DV, Déjardin LM, Nelson NC. A comparison of the motor effects and analgesic efficacy following lumbar plexus block combined with sciatic nerve block or epidural in dogs undergoing tibial plateau leveling osteotomy. Vet Anaesth Analg 2024; 51:271-278. [PMID: 38102032 DOI: 10.1016/j.vaa.2023.10.034] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2023] [Revised: 10/31/2023] [Accepted: 10/31/2023] [Indexed: 12/17/2023]
Abstract
OBJECTIVE To compare motor effects and analgesic efficacy following an ultrasound-guided lateral approach to lumbar plexus blockade at L7 and sciatic nerve blockade (LPSNB) against epidural injection in dogs undergoing tibial plateau leveling osteotomy (TPLO). STUDY DESIGN Prospective, randomized, blinded clinical trial. ANIMALS A total of 27 healthy adult dogs undergoing unilateral TPLO surgery. METHODS Dogs were allocated to either LPSNB (bupivacaine 2 mg kg-1, 0.75%) or epidural (morphine PF 0.1 mg kg-1 and bupivacaine 0.5 mg kg-1, 0.75%). Other aspects of clinical management were identical, including anesthetic drug protocol, area of presurgical clipping and bladder care. Time to perform the block, response to surgical stimuli, pain scores, rescue analgesia, time to stand and walk, motor score and time to first urination were recorded. One evaluator, unaware of treatment status, performed all evaluations. Student's t-test or Mann-Whitney U test was used to compare continuous variables between groups, and Fisher's exact test for categorical variables. RESULTS Median (range) times to stand and walk were shorter for LPSNB [60 (40-120) minutes and 90 (60-150) minutes, respectively, p = 0.003] than for epidural [150 (120-240) minutes and 180 (120-360) minutes, respectively, p = 0.006]. Four dogs required rescue intraoperatively (three in epidural group, one in LPSNB group, p = 0.438). Pain scores over the 24 hour evaluation period were similar, and not significantly different, for each group. Time to spontaneous urination [LPSNB, 330 (240-360) minutes; epidural, 300 (120-1440) minutes, p = 1.0] did not differ between groups. CONCLUSIONS AND CLINICAL RELEVANCE An ultrasound-guided lateral paravertebral approach to the lumbar plexus within the psoas compartment at L7, combined with sciatic nerve blockade, allows faster return to normal motor function, with similar pain control and impact on urination when compared with epidural in dogs after TPLO surgery.
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Affiliation(s)
- Sophie M Graff
- Department of Small Animal Clinical Sciences, College of Veterinary Medicine, Michigan State University, East Lansing, MI, USA
| | - Deborah V Wilson
- Department of Small Animal Clinical Sciences, College of Veterinary Medicine, Michigan State University, East Lansing, MI, USA.
| | - Loic M Déjardin
- Department of Small Animal Clinical Sciences, College of Veterinary Medicine, Michigan State University, East Lansing, MI, USA
| | - Nathan C Nelson
- Department of Small Animal Clinical Sciences, College of Veterinary Medicine, Michigan State University, East Lansing, MI, USA
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2
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Krystalli A, Sideri A, Kazakos GM, Anatolitou A, Prassinos NN. Contribution to the Study of Perioperative Factors Affecting the Restoration of Dog's Mobility after Femoral Head and Neck Excision: A Clinical Study in 30 Dogs. Animals (Basel) 2023; 13:2295. [PMID: 37508072 PMCID: PMC10376395 DOI: 10.3390/ani13142295] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2023] [Revised: 07/07/2023] [Accepted: 07/11/2023] [Indexed: 07/30/2023] Open
Abstract
This study aimed to compare postoperative analgesia and the time of limb weight bearing induced by the intraoperative administration of a local anesthetic at the site of the femoral head and neck excision (FHNE) in dogs, with and without the administration of preoperative epidural anesthesia. Additionally, the impact of postoperative opioid drug administration on weight-bearing time was examined. This randomized, blinded, prospective clinical study included 30 client-owned dogs. The dogs were randomly divided into three groups (A, B, C), each further divided into two subgroups (A1, A2, B1, B2, C1, C2). Group A received epidural anesthesia and ropivacaine at the ostectomy site, Group B received only ropivacaine, and Group C served as the control group. Subgroup 1 received a non-steroidal anti-inflammatory drug postoperatively, while Subgroup 2 had tramadol added to their regimen. Pain assessment was conducted using the University of Melbourne Pain Scale (UMPS) and an algometer. The study concluded that multimodal analgesia, utilizing all the aforementioned analgesic techniques, resulted in faster limb weight bearing for dogs undergoing FHNE.
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Affiliation(s)
- Androniki Krystalli
- Surgery & Obstetrics Unit, Companion Animal Clinic, School of Veterinary Medicine, Faculty of Health Sciences, Aristotle University, 54627 Thessaloniki, Greece
| | - Aikaterini Sideri
- Clinic of Surgery, Faculty of Veterinary Science, School of Health Sciences, University of Thessaly, 43100 Karditsa, Greece
| | - George M Kazakos
- Surgery and Anesthesiology-Intensive Care, Companion Animal Clinic, School of Veterinary Medicine, Faculty of Health Sciences, Aristotle University, 54627 Thessaloniki, Greece
| | - Anthi Anatolitou
- Surgery & Obstetrics Unit, Companion Animal Clinic, School of Veterinary Medicine, Faculty of Health Sciences, Aristotle University, 54627 Thessaloniki, Greece
| | - Nikitas N Prassinos
- Surgery & Obstetrics Unit, Companion Animal Clinic, School of Veterinary Medicine, Faculty of Health Sciences, Aristotle University, 54627 Thessaloniki, Greece
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Henze IS, Navarro Altuna V, Steiger JI, Torgerson PR, Kutter APN. Evaluation of the Analgesic Efficacy of Undiluted Intraperitoneal and Incisional Ropivacaine for Postoperative Analgesia in Dogs after Major Abdominal Surgery. Animals (Basel) 2023; 13:ani13091489. [PMID: 37174527 PMCID: PMC10177421 DOI: 10.3390/ani13091489] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2023] [Revised: 04/24/2023] [Accepted: 04/26/2023] [Indexed: 05/15/2023] Open
Abstract
Recommendations for intraperitoneal (IP) and incisional (INC) administration of local anaesthetics after visceral surgery exist, but evidence is scarce. This prospective, randomized, blinded, controlled, clinical trial compared postoperative pain in dogs undergoing major abdominal surgery. Sixteen client-owned dogs were anaesthetized with a standardized balanced protocol including opioids and received either 2 mg/kg ropivacaine IP (0.27 mL/kg) and a 1 mg/kg INC splash (0.13 mL/kg) or equal volumes of saline. Influence of the treatment on heart rate (HR) and postoperative pain was assessed using the Short Form of the Glasgow Composite Pain Scale (GCPS-SF), a dynamic interactive visual analogue scale (DIVAS) and mechanical nociceptive threshold testing (MNT). Data was tested with mixed ordinal regression and log linear mixed models for 0.5, 1, 2, 3, 4, 6, 8, 10 and 12 h after extubation. Rescue analgesia was given to 3/8 dogs after ropivacaine and 0/8 dogs after saline. GCPS-SF and MNT were not different between groups. DIVAS was slightly higher after ropivacaine (odds increased by 5.44 (confidence interval (CI) 1.17-9.96, p = 0.012)), and HR after ropivacaine was 0.76 * that after saline (CI 0.61-0.96, p = 0.02) with no effect of time (p = 0.1). Undiluted ropivacaine IP and INC was not beneficial for postoperative analgesia.
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Affiliation(s)
- Inken S Henze
- Section of Anaesthesiology, Vetsuisse Faculty, University of Zurich, 8057 Zurich, Switzerland
| | - Victoria Navarro Altuna
- Section of Anaesthesiology, Vetsuisse Faculty, University of Zurich, 8057 Zurich, Switzerland
| | - Joëlle I Steiger
- Section of Anaesthesiology, Vetsuisse Faculty, University of Zurich, 8057 Zurich, Switzerland
| | - Paul R Torgerson
- Section of Epidemiology, Vetsuisse Faculty, University of Zurich, 8057 Zurich, Switzerland
| | - Annette P N Kutter
- Section of Anaesthesiology, Vetsuisse Faculty, University of Zurich, 8057 Zurich, Switzerland
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Paolini A, Santoro F, Bianchi A, Collivignarelli F, Vignoli M, Scialanca S, Parrillo S, Falerno I, De Bonis A, Rosto M, Tamburro R. Use of Transversus Abdominis Plane and Intercostal Blocks in Bitches Undergoing Laparoscopic Ovariectomy: A Randomized Controlled Trial. Vet Sci 2022; 9:604. [PMID: 36356081 PMCID: PMC9694432 DOI: 10.3390/vetsci9110604] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2022] [Revised: 10/16/2022] [Accepted: 10/28/2022] [Indexed: 10/17/2023] Open
Abstract
In humans and dogs, loco-regional anesthesia is associated with lower peri-operative opioid consumption and less related side effects. The combination of transversus abdominis plane (TAP) and intercostal blocks can be used to desensitize the entire abdominal wall in dogs. The aim of this study was to evaluate the effectiveness of TAP and intercostal blocks in bitches undergoing laparoscopic ovariectomy. Twenty client-owned bitches were enrolled in this double-blinded randomized controlled trial. After premedication with dexmedetomidine, methadone and ketamine, the animals were randomized into two groups. Dogs in the TAP group received intercostal blocks from T8 to T10 and a TAP block with ropivacaine. Dogs in the FEN group received a fentanyl bolus and a constant rate infusion for the entire duration of the procedure. Intra-operative cardiovascular stability, post-operative pain scores, rescue opioid requirement, dysphoria during recovery, time to attain sternal recumbency and interest in food at 6 h post-extubation were compared. Bitches in the TAP group received a statistically significant lower amount of rescue fentanyl intra-operatively and methadone post-operatively. Pain scores were lower in the TAP group until 6 h post-extubation. No difference was found for dysphoric recoveries, time to attain sternal recumbency and appetite at 6 h post-extubation. No adverse event was recorded for any of the dogs. The combination of TAP and intercostal blocks can be part of an effective multi-modal analgesic strategy in bitches undergoing laparoscopic ovariectomy.
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Affiliation(s)
- Andrea Paolini
- Faculty of Veterinary Medicine, University of Teramo, 64100 Teramo, Italy
| | - Francesco Santoro
- Department of Clinical Sciences and Services, The Royal Veterinary College, Hatfield AL9 7TA, UK
| | - Amanda Bianchi
- Faculty of Veterinary Medicine, University of Teramo, 64100 Teramo, Italy
| | | | - Massimo Vignoli
- Faculty of Veterinary Medicine, University of Teramo, 64100 Teramo, Italy
| | - Silvia Scialanca
- Faculty of Veterinary Medicine, University of Teramo, 64100 Teramo, Italy
| | - Salvatore Parrillo
- Faculty of Veterinary Medicine, University of Teramo, 64100 Teramo, Italy
| | - Ilaria Falerno
- Faculty of Veterinary Medicine, University of Teramo, 64100 Teramo, Italy
| | - Andrea De Bonis
- Faculty of Veterinary Medicine, University of Teramo, 64100 Teramo, Italy
| | - Martina Rosto
- Faculty of Veterinary Medicine, University of Teramo, 64100 Teramo, Italy
| | - Roberto Tamburro
- Faculty of Veterinary Medicine, University of Teramo, 64100 Teramo, Italy
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Ferrero C, Borland K, Rioja E. Retrospective comparison of three locoregional techniques for pelvic limb surgery in dogs. Vet Anaesth Analg 2021; 48:554-562. [PMID: 34083139 DOI: 10.1016/j.vaa.2020.11.011] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2020] [Revised: 11/06/2020] [Accepted: 11/20/2020] [Indexed: 10/21/2022]
Abstract
OBJECTIVE To retrospectively compare the efficacy and duration of effect of three commonly used locoregional blocks in dogs undergoing pelvic limb orthopaedic surgery. STUDY DESIGN Retrospective clinical study. ANIMALS A total of 236 dogs that underwent pelvic limb surgery and were administered a locoregional technique. METHODS A total of 236 hospital records were reviewed and 230 included in statistical analysis. Dogs were grouped as following: electrostimulation-guided pre-iliac femoral and sciatic nerve block (group PFS, n = 70); ultrasound-guided saphenous and sciatic nerve block (group SS, n = 76); or lumbosacral epidural (group EPI, n = 84). In group EPI, bupivacaine 0.5% or ropivacaine 0.75% was used with morphine. Dogs were pain scored (short form of the Glasgow Composite Measure Pain Scale) hourly following recovery from anaesthesia. Analysed data included: time to first postoperative dose of methadone, pain score at that time, intraoperative rescue analgesia, intraoperative hypotension and ability to walk and urinate overnight. Separate analyses were performed including all pelvic limb surgeries and including only elective stifle surgeries. Kruskal-Wallis and Mann-Whitney tests were performed. A p value < 0.05 was considered significant. The median (range) is reported. RESULTS For all pelvic limb surgeries, the time to first postoperative methadone was 530 (110-1337), 440 (140-1030) and 466 (135-1094) minutes in groups EPI, PFS and SS, respectively, and was not significantly different. Postoperatively, 10/84, 15/70 and 12/76 dogs in groups EPI, PFS and SS, respectively, did not require methadone (nonsignificant). Significantly fewer dogs in group EPI (18%) required intraoperative rescue analgesia compared with group SS (38%), but not compared with PFS (30%). Significantly more dogs in group EPI had hypotension intraoperatively (30%) and urinary retention postoperatively (62%). CONCLUSIONS AND CLINICAL RELEVANCE Intraoperative analgesia may be superior with EPI than SS for some surgeries of the pelvic limb, but not for stifle surgeries. All three techniques provided similar requirement for postoperative analgesia, but EPI caused higher incidence of intraoperative hypotension and postopertive urinary retention.
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Affiliation(s)
- Camilla Ferrero
- Anaesthesia Department, Anderson Moores Veterinary Specialists, Winchester, Hampshire, UK.
| | - Karla Borland
- Anaesthesia Department, Anderson Moores Veterinary Specialists, Winchester, Hampshire, UK
| | - Eva Rioja
- Anaesthesia Department, Anderson Moores Veterinary Specialists, Winchester, Hampshire, UK
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Shilo-Benjamini Y, Slav SA, Kahane N, Kushnir Y, Sarfaty H, Ofri R. Analgesic effects of intraorbital insertion of an absorbable gelatin hemostatic sponge soaked with 1% ropivacaine solution following enucleation in dogs. J Am Vet Med Assoc 2020; 255:1255-1262. [PMID: 31730436 DOI: 10.2460/javma.255.11.1255] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
OBJECTIVE To evaluate analgesic effects and complications associated with intraorbital insertion of an absorbable gelatin hemostatic sponge (AGHS) soaked with 1% ropivacaine solution following enucleation in dogs. ANIMALS 20 client-owned dogs undergoing enucleation. PROCEDURES Dogs were randomly assigned to receive an AGHS soaked with 1% ropivacaine solution (n = 10) or saline (0.9% NaCl) solution (control group; 10) inserted intraorbitally prior to skin closure following enucleation. Carprofen (2 mg/kg [0.9 mg/lb]) was administered SC once after orotracheal extubation and then PO twice a day for 5 days. During the postoperative recovery period, apparent pain level was scored at various points with a modified short-form Glasgow Composite Pain Scale (score range, 0 to 19), and methadone was administered for rescue analgesia if any score was ≥ 5. After dogs returned home, owners recorded their behavior and apparent pain level for the first 3 days following enucleation. RESULTS At extubation, the median (range) pain score was significantly higher in the control group (8 [2 to 14]) versus the ropivacaine group (3 [1 to 7]). A greater proportion of dogs in the control group received methadone (7/10 vs 1/10) and had crying or attention-seeking behavior on the first day following enucleation (7/10 vs 1/10). No complications were observed in either group. CONCLUSIONS AND CLINICAL RELEVANCE Addition of intraorbital insertion of a ropivacaine-soaked AGHS to the analgesic protocol for dogs undergoing enucleation provided better analgesia than was achieved without this treatment as measured immediately and the first day after surgery, with no noted adverse effects.
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7
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Di Salvo A, Conti MB, Nannarone S, Bufalari A, Giorgi M, Moretti G, Marenzoni ML, Della Rocca G. Pharmacokinetics and analgesic efficacy of intranasal administration of tramadol in dogs after ovariohysterectomy. Vet Anaesth Analg 2020; 47:557-566. [PMID: 32513525 DOI: 10.1016/j.vaa.2019.12.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2019] [Revised: 11/15/2019] [Accepted: 12/02/2019] [Indexed: 12/01/2022]
Abstract
OBJECTIVE To assess analgesic efficacy and the pharmacokinetics of intranasal (IN) tramadol in dogs following ovariohysterectomy. STUDY DESIGN Randomized, blinded clinical study. ANIMALS A total of 30 bitches undergoing elective ovariohysterectomy. METHODS Dogs were randomly assigned to one of three experimental groups (10 dogs per group): IN tramadol 4 mg kg-1 (group T-IN), intravenous (IV) tramadol 4 mg kg-1 (group T-IV) and IV methadone 0.2 mg kg-1 (group M). Drugs were administered at extubation. At established time points (before surgery and up to 8 hours after drug administration) analgesia was assessed using the Italian version of the Glasgow Composite Measure Pain Scale Short Form and physiological variables were recorded. To determine the pharmacokinetics of IN tramadol, blood samples were collected at predetermined time points. Shapiro-Wilk test was used to assess whether data were normally distributed and consequently parametric or non parametric tests were applied. A p value < 0.05 was considered significant. RESULTS No significant intergroup differences were observed in the dogs that were administered rescue analgesia and time of its administration. Excluding dogs that were administered rescue analgesia, no significant intergroup differences emerged in pain scores and physiological variables, except for a lower rectal temperature in group M compared with the tramadol groups. After IN administration, tramadol was rapidly absorbed into the systemic circulation, reaching its maximum concentration (range 74.74-200.29 ng mL-1) within 30-60 minutes, it then decreased rapidly and was detectable in plasma for up to 2 hours after treatment in all dogs. CONCLUSIONS AND CLINICAL RELEVANCE IN tramadol administration appears to be as effective as IV tramadol and methadone treatments in pain management of dogs after elective ovariohysterectomy. Given its low concentrations and short detection time in plasma after the IN route, systemic tramadol action appears unlikely.
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Affiliation(s)
- Alessandra Di Salvo
- Department of Veterinary Medicine, University of Perugia, Perugia, Italy; CeRiDA-Centro di Ricerca sul Dolore Animale, University of Perugia, Perugia, Italy
| | - Maria Beatrice Conti
- Department of Veterinary Medicine, University of Perugia, Perugia, Italy; CeRiDA-Centro di Ricerca sul Dolore Animale, University of Perugia, Perugia, Italy
| | - Sara Nannarone
- Department of Veterinary Medicine, University of Perugia, Perugia, Italy; CeRiDA-Centro di Ricerca sul Dolore Animale, University of Perugia, Perugia, Italy.
| | - Antonello Bufalari
- Department of Veterinary Medicine, University of Perugia, Perugia, Italy; CeRiDA-Centro di Ricerca sul Dolore Animale, University of Perugia, Perugia, Italy
| | - Mario Giorgi
- Department of Veterinary Sciences, University of Pisa, Pisa, Italy
| | - Giulia Moretti
- Department of Veterinary Medicine, University of Perugia, Perugia, Italy
| | - Maria Luisa Marenzoni
- Department of Veterinary Medicine, University of Perugia, Perugia, Italy; CeRiDA-Centro di Ricerca sul Dolore Animale, University of Perugia, Perugia, Italy
| | - Giorgia Della Rocca
- Department of Veterinary Medicine, University of Perugia, Perugia, Italy; CeRiDA-Centro di Ricerca sul Dolore Animale, University of Perugia, Perugia, Italy
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Steagall PVM, Benito J, Monteiro B, Lascelles D, Kronen PW, Murrell JC, Robertson S, Wright B, Yamashita K. Intraperitoneal and incisional analgesia in small animals: simple, cost-effective techniques. J Small Anim Pract 2019; 61:19-23. [PMID: 31737915 DOI: 10.1111/jsap.13084] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2018] [Revised: 08/26/2019] [Accepted: 09/30/2019] [Indexed: 11/27/2022]
Abstract
The World Small Animal Veterinary Association Global Pain Council (WSAVA-GPC) has recently published its first "capsule review" by Monteiro et al. These are short articles that present a brief assessment of the scientific evidence and practical recommendations on important, and sometimes controversial, subjects in pain management. The capsules will be published regularly in the Journal of Small Animal Practice, the official journal of the WSAVA. This second article discusses the use of intraperitoneal and incisional analgesia in small animal practice, including their limitations and recommendations by the authors.
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Affiliation(s)
- P V M Steagall
- Department of Clinical Sciences, Université de Montréal, Montreal, Quebec, J2S 2M2, Canada
| | - J Benito
- Department of Clinical Sciences, Université de Montréal, Montreal, Quebec, J2S 2M2, Canada
| | - B Monteiro
- Department of Clinical Sciences, Université de Montréal, Montreal, Quebec, J2S 2M2, Canada
| | - D Lascelles
- Translational Research in Pain Program, Comparative Pain Research and Education Center, College of Veterinary Medicine, North Carolina State University, Raleigh, North Carolina, 27606, USA
| | - P W Kronen
- Veterinary Anaesthesia Service - International, Winterthur, 8400, Switzerland
| | - J C Murrell
- Highcroft Veterinary Referrals, Whitchurch, Bristol, BS14 9BE, UK
| | - S Robertson
- Lap of Love Veterinary Hospice, Lutz, Florida, 33549, USA
| | - B Wright
- Mistral Vet, Fort Collins, Colorado, 80534, USA
| | - K Yamashita
- Small Animal Clinical Sciences, Rakuno Gakuen University, Ebetsu, Hokkaido, 069-8501, Japan
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Ribeiro MR, de Carvalho CB, Pereira RH, Nicácio GM, Brinholi RB, Cassu RN. Yamamoto New Scalp Acupuncture for postoperative pain management in cats undergoing ovariohysterectomy. Vet Anaesth Analg 2017; 44:1236-1244. [DOI: 10.1016/j.vaa.2017.03.004] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2016] [Revised: 02/26/2017] [Accepted: 03/01/2017] [Indexed: 01/26/2023]
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Congdon JM, Boscan P, Goh CSS, Rezende M. Psoas compartment and sacral plexus block via electrostimulation for pelvic limb amputation in dogs. Vet Anaesth Analg 2017; 44:915-924. [PMID: 28781205 DOI: 10.1016/j.vaa.2016.12.059] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2015] [Revised: 12/09/2016] [Accepted: 12/13/2016] [Indexed: 11/26/2022]
Abstract
OBJECTIVE To assess the efficacy of psoas compartment and sacral plexus block for pelvic limb amputation in dogs. STUDY DESIGN Prospective clinical study. ANIMALS A total of 16 dogs aged 8±3 years and weighing 35±14 kg (mean±standard deviation). METHODS Dogs were administered morphine (0.5 mg kg-1) and atropine (0.02 mg kg-1); anesthesia was induced with propofol and maintained with isoflurane. Regional blocks were performed before surgery in eight dogs with bupivacaine (2.2 mg kg-1) and eight dogs were administered an equivalent volume of saline. The lumbar plexus within the psoas compartment was identified using electrolocation lateral to the lumbar vertebrae at the fourth-fifth, fifth-sixth and sixth-seventh vertebral interspaces. The sacral plexus, ventrolateral to the sacrum, was identified using electrolocation. Anesthesia was monitored using heart rate (HR), invasive blood pressure, electrocardiography, expired gases, respiratory frequency and esophageal temperature by an investigator unaware of the group allocation. Pelvic limb amputation by coxofemoral disarticulation was performed. Dogs that responded to surgical stimulation (>10% increase in HR or arterial pressure) were administered fentanyl (2 μg kg-1) intravenously for rescue analgesia. Postoperative pain was assessed at extubation; 30, 60 and 120 minutes; and the morning after surgery using a visual analog scale (VAS). RESULTS The number of intraoperative fentanyl doses was fewer in the bupivacaine group (2.7±1.1 versus 6.0±2.2; p<0.01). Differences in physiologic variables were not clinically significant. VAS scores were lower in bupivacaine dogs at extubation (0.8±1.9 versus 3.8±2.5) and at 30 minutes (1.0±1.4 versus 4.3±2.1; p<0.05). CONCLUSIONS AND CLINICAL RELEVANCE Psoas compartment (lumbar plexus) and sacral plexus block provided analgesia during pelvic limb amputation in dogs.
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Affiliation(s)
- Jonathon M Congdon
- Department of Clinical Sciences, College of Veterinary Medicine and Biological Sciences, Colorado State University, Fort Collins, CO, USA
| | - Pedro Boscan
- Department of Clinical Sciences, College of Veterinary Medicine and Biological Sciences, Colorado State University, Fort Collins, CO, USA.
| | - Clara S S Goh
- Department of Clinical Sciences, College of Veterinary Medicine and Biological Sciences, Colorado State University, Fort Collins, CO, USA
| | - Marlis Rezende
- Department of Clinical Sciences, College of Veterinary Medicine and Biological Sciences, Colorado State University, Fort Collins, CO, USA
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Kalchofner Guerrero KS, Campagna I, Bruhl-Day R, Hegamin-Younger C, Guerrero TG. Intraperitoneal bupivacaine with or without incisional bupivacaine for postoperative analgesia in dogs undergoing ovariohysterectomy. Vet Anaesth Analg 2016; 43:571-8. [DOI: 10.1111/vaa.12348] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2015] [Accepted: 06/10/2015] [Indexed: 11/27/2022]
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12
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Bartel AKG, Campoy L, Martin-Flores M, Gleed RD, Walker KJ, Scanapico CE, Reichard AB. Comparison of bupivacaine and dexmedetomidine femoral and sciatic nerve blocks with bupivacaine and buprenorphine epidural injection for stifle arthroplasty in dogs. Vet Anaesth Analg 2016; 43:435-43. [DOI: 10.1111/vaa.12318] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2015] [Accepted: 08/20/2015] [Indexed: 11/30/2022]
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13
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Marquez M, Boscan P, Weir H, Vogel P, Twedt DC. Comparison of NK-1 Receptor Antagonist (Maropitant) to Morphine as a Pre-Anaesthetic Agent for Canine Ovariohysterectomy. PLoS One 2015; 10:e0140734. [PMID: 26513745 PMCID: PMC4626099 DOI: 10.1371/journal.pone.0140734] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2015] [Accepted: 09/28/2015] [Indexed: 11/18/2022] Open
Abstract
OBJECTIVE To compare the NK-1 receptor antagonist maropitant to morphine during and after surgery in dogs undergoing ovariohysterectomy (OHE). METHODS 30 healthy female dogs were randomly divided to receive either a pre-anaesthetic dose of morphine (0.5 mg/kg SQ) or maropitant (1 mg/kg, SQ) prior to OHE. Anaesthesia was induced with propofol and maintained with isoflurane. Expired isoflurane concentration, heart rate (HR), systolic arterial pressure (SAP) and respiratory rate were measured. Post-operative pain scores and appetite were evaluated during the recovery period. Rescue analgesia (morphine 0.1 mg/kg IV) was administered as needed post-operatively based on blinded pain score assessments. RESULTS Although clinically comparable; during surgical stimulation, the maropitant group had lower HR (108±18 vs 115±24 bpm; p = 0.04), lower SAP (114±23 vs 125±23 mmHg; p = 0.003) and required slightly lower percent of isoflurane anaesthetic (1.35±0.2 vs 1.51±0.4%; p = 0.005), when compared to the morphine group. In the recovery period, the maropitant group had lower pain scores at extubation (1.7±0.7 vs 3.4±2.3; p = 0.0001) and were more likely to eat within 3 hours after extubation (64.7 vs 15.3%). However, post-operative rescue analgesia requirements were similar between groups. All other measured parameters were similar between groups. The overall difference observed between groups was small and all monitored and measured parameters were within the expected range for anesthetized dogs. CLINICAL SIGNIFICANCE No major differences in cardiorespiratory parameters or anaesthetic requirements were observed between maropitant and morphine when used as a pre-anesthetic agent for OHE. Further studies are necessary to fully elucidate the benefits of maropitant as a pre-anaesthetic agent for canine OHE.
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Affiliation(s)
- Megan Marquez
- Department of Clinical Sciences, Veterinary Teaching Hospital, Colorado State University, Fort Collins, Colorado, United States of America
| | - Pedro Boscan
- Department of Clinical Sciences, Veterinary Teaching Hospital, Colorado State University, Fort Collins, Colorado, United States of America
- * E-mail:
| | - Heather Weir
- Department of Clinical Sciences, Veterinary Teaching Hospital, Colorado State University, Fort Collins, Colorado, United States of America
| | - Pamela Vogel
- Department of Clinical Sciences, Veterinary Teaching Hospital, Colorado State University, Fort Collins, Colorado, United States of America
| | - David C. Twedt
- Department of Clinical Sciences, Veterinary Teaching Hospital, Colorado State University, Fort Collins, Colorado, United States of America
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Höglund OV, Hagman R, Stridsberg M. Chromogranin A and cortisol at intraoperative repeated noxious stimuli: Surgical stress in a dog model. SAGE Open Med 2015; 3:2050312115576432. [PMID: 26770773 PMCID: PMC4679230 DOI: 10.1177/2050312115576432] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2014] [Accepted: 02/09/2015] [Indexed: 11/16/2022] Open
Abstract
Objectives: Biomarkers representing sympathetic tone and the surgical stress response are measured to objectively evaluate surgical techniques and anaesthetic protocols. If a part of the intraoperative procedure is repeated on the contralateral organ, one animal may potentially serve as its own control and, if so, may minimize the problem of individual differences of the stress response to anaesthesia and surgery. This study aimed to investigate the use of chromogranin A for measurement of the intraoperative sympathetic tone. Additional aims were to investigate chromogranin A and cortisol as indicators of the intraoperative surgical stress response caused by repeated noxious stimuli in dogs subjected to ovariohysterectomy and thereby to investigate the possibility of one dog serving as its own control. Methods: Experiments were carried out on 10 dogs subjected to ovariohysterectomy. Perioperative blood samples (0–6) were collected after premedication, immediately before induction of anaesthesia (0), after induction of anaesthesia and before incision (1), before (2) and after (3) removal of the first ovary, after a 15-min pause before removal of the second ovary (4), after removal of the second ovary (5) and after closing the abdomen (6). Plasma chromogranin A and cortisol were analysed. Results: Plasma chromogranin A did not change. Plasma cortisol concentration did not change between before anaesthesia and opening of the abdomen. Plasma cortisol increased at removal of the first ovary. Cortisol did not change at removal of the second ovary but remained increased compared to initial sample. Conclusion: The results suggest chromogranin A is a poor indicator of intraoperative sympathetic tone during elective surgery in dogs. Cortisol measurement was useful for assessment of intraoperative noxious stimuli. However, at these test conditions, neither plasma chromogranin A nor plasma cortisol was useful for assessment of repeated intraoperative noxious stimuli where one dog served as its own control.
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Affiliation(s)
- Odd Viking Höglund
- Department of Clinical Sciences, Swedish University of Agricultural Sciences, Uppsala, Sweden
| | - Ragnvi Hagman
- Department of Clinical Sciences, Swedish University of Agricultural Sciences, Uppsala, Sweden
| | - Mats Stridsberg
- Department of Medical Sciences, Uppsala University, Uppsala, Sweden
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