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Costa GL, Spadola F, Di Pietro S, Nava V, Licata P, Giudice E, Leonardi F, Bruno F, Messina L, Macrì F, Macrì D, Ferrantelli V, Tabbì M, Interlandi C. Tramadol vs. Lidocaine Administered Intraperitoneally and in Incisional Lines for the Intraoperative and Postoperative Pain Management of Romifidine-Telazol-Anesthetized Swine Undergoing Umbilical Hernia Repair. Animals (Basel) 2023; 13:2905. [PMID: 37760305 PMCID: PMC10525986 DOI: 10.3390/ani13182905] [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: 06/28/2023] [Revised: 09/01/2023] [Accepted: 09/06/2023] [Indexed: 09/29/2023] Open
Abstract
The aim of the study was to compare the analgesic efficacy of tramadol and lidocaine for local anesthesia during umbilical hernia repair in swine. The study was performed on 66 large white crossbred swine. The swine received a mixture of tiletamine/zolazepam at 5 mg/kg and romifidine at 80 µg/kg, administered intramuscularly. Then, they were divided into three groups (n = 22) that received different treatments with lidocaine at 4 mg/kg and tramadol at 4 mg/kg. The LL group received lidocaine both by infiltration of the surgical planes and intraperitoneally. The LT group received lidocaine by infiltration of the surgical planes and tramadol intraperitoneally. The TT group received tramadol both by infiltration of the surgical planes and intraperitoneally. In all groups, the infiltration of the surgical planes into the umbilical region involved both the skin and muscle planes. Heart rate, noninvasive arterial blood pressure, and respiratory frequency were recorded during surgery. The response to the surgical stimulus was evaluated using a cumulative pain scale (the cut-off point for rescue analgesia was set to 10). Postoperative pain was assessed using the UNESP-Botucatu pig composite acute pain scale (the cut-off point was set to 4). The trend of physiological variables was adequate for patients under anesthesia. No subject required intraoperative and postoperative rescue analgesia. Tramadol could therefore be used for pain management in livestock.
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Affiliation(s)
- Giovanna Lucrezia Costa
- Department of Veterinary Sciences, University of Messina, Via Palatucci Annunziata, 98168 Messina, Italy; (F.S.); (S.D.P.); (V.N.); (P.L.); (E.G.); (F.B.); (L.M.); (F.M.); (M.T.); (C.I.)
| | - Filippo Spadola
- Department of Veterinary Sciences, University of Messina, Via Palatucci Annunziata, 98168 Messina, Italy; (F.S.); (S.D.P.); (V.N.); (P.L.); (E.G.); (F.B.); (L.M.); (F.M.); (M.T.); (C.I.)
| | - Simona Di Pietro
- Department of Veterinary Sciences, University of Messina, Via Palatucci Annunziata, 98168 Messina, Italy; (F.S.); (S.D.P.); (V.N.); (P.L.); (E.G.); (F.B.); (L.M.); (F.M.); (M.T.); (C.I.)
| | - Vincenzo Nava
- Department of Veterinary Sciences, University of Messina, Via Palatucci Annunziata, 98168 Messina, Italy; (F.S.); (S.D.P.); (V.N.); (P.L.); (E.G.); (F.B.); (L.M.); (F.M.); (M.T.); (C.I.)
| | - Patrizia Licata
- Department of Veterinary Sciences, University of Messina, Via Palatucci Annunziata, 98168 Messina, Italy; (F.S.); (S.D.P.); (V.N.); (P.L.); (E.G.); (F.B.); (L.M.); (F.M.); (M.T.); (C.I.)
| | - Elisabetta Giudice
- Department of Veterinary Sciences, University of Messina, Via Palatucci Annunziata, 98168 Messina, Italy; (F.S.); (S.D.P.); (V.N.); (P.L.); (E.G.); (F.B.); (L.M.); (F.M.); (M.T.); (C.I.)
| | - Fabio Leonardi
- Department of Veterinary Science, University of Parma, Via del Taglio 10, 43126 Parma, Italy;
| | - Fabio Bruno
- Department of Veterinary Sciences, University of Messina, Via Palatucci Annunziata, 98168 Messina, Italy; (F.S.); (S.D.P.); (V.N.); (P.L.); (E.G.); (F.B.); (L.M.); (F.M.); (M.T.); (C.I.)
| | - Laura Messina
- Department of Veterinary Sciences, University of Messina, Via Palatucci Annunziata, 98168 Messina, Italy; (F.S.); (S.D.P.); (V.N.); (P.L.); (E.G.); (F.B.); (L.M.); (F.M.); (M.T.); (C.I.)
| | - Francesco Macrì
- Department of Veterinary Sciences, University of Messina, Via Palatucci Annunziata, 98168 Messina, Italy; (F.S.); (S.D.P.); (V.N.); (P.L.); (E.G.); (F.B.); (L.M.); (F.M.); (M.T.); (C.I.)
| | - Daniele Macrì
- Zooprophylactic Institute, Via Gino Marinuzzi 4, 90100 Palermo, Italy; (D.M.); (V.F.)
| | - Vincenzo Ferrantelli
- Zooprophylactic Institute, Via Gino Marinuzzi 4, 90100 Palermo, Italy; (D.M.); (V.F.)
| | - Marco Tabbì
- Department of Veterinary Sciences, University of Messina, Via Palatucci Annunziata, 98168 Messina, Italy; (F.S.); (S.D.P.); (V.N.); (P.L.); (E.G.); (F.B.); (L.M.); (F.M.); (M.T.); (C.I.)
| | - Claudia Interlandi
- Department of Veterinary Sciences, University of Messina, Via Palatucci Annunziata, 98168 Messina, Italy; (F.S.); (S.D.P.); (V.N.); (P.L.); (E.G.); (F.B.); (L.M.); (F.M.); (M.T.); (C.I.)
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Toxicokinetics of U-47700, tramadol, and their main metabolites in pigs following intravenous administration: is a multiple species allometric scaling approach useful for the extrapolation of toxicokinetic parameters to humans? Arch Toxicol 2021; 95:3681-3693. [PMID: 34604914 PMCID: PMC8536616 DOI: 10.1007/s00204-021-03169-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2021] [Accepted: 09/23/2021] [Indexed: 11/24/2022]
Abstract
New synthetic opioids (NSOs) pose a public health concern since their emergence on the illicit drug market and are gaining increasing importance in forensic toxicology. Like many other new psychoactive substances, NSOs are consumed without any preclinical safety data or any knowledge on toxicokinetic (TK) data. Due to ethical reasons, controlled human TK studies cannot be performed for the assessment of these relevant data. As an alternative animal experimental approach, six pigs per drug received a single intravenous dose of 100 µg/kg body weight (BW) of U-47700 or 1000 µg/kg BW of tramadol to evaluate whether this species is suitable to assess the TK of NSOs. The drugs were determined in serum and whole blood using a fully validated method based on solid-phase extraction and LC–MS/MS. The concentration–time profiles and a population (pop) TK analysis revealed that a three-compartment model best described the TK data of both opioids. Central volumes of distribution were 0.94 L/kg for U-47700 and 1.25 L/kg for tramadol and central (metabolic) clearances were estimated at 1.57 L/h/kg and 1.85 L/h/kg for U-47700 and tramadol, respectively. The final popTK model parameters for pigs were upscaled via allometric scaling techniques. In comparison to published human data, concentration–time profiles for tramadol could successfully be predicted with single species allometric scaling. Furthermore, possible profiles for U-47700 in humans were simulated. The findings of this study indicate that unlike a multiple species scaling approach, pigs in conjunction with TK modeling are a suitable tool for the assessment of TK data of NSOs and the prediction of human TK data.
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Savard C, Dumais Y, Pouillevet H, Marcoux J, Finck C, Finck M, Benito J, Rainville MP, Vergneau-Grosset C. Extraction of aberrant tusk and mandibular osteomyelitis treatment in a pot-bellied pig (Sus scrofa domesticus). J Exot Pet Med 2021. [DOI: 10.1053/j.jepm.2021.06.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Nordmeier F, Doerr AA, Potente S, Walle N, Laschke MW, Menger MD, Schmidt PH, Meyer MR, Schaefer N. Perimortem Distribution of U-47700, Tramadol and their Main Metabolites in pigs Following Intravenous Administration. J Anal Toxicol 2021; 46:479-486. [PMID: 33950247 DOI: 10.1093/jat/bkab044] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2021] [Revised: 04/27/2021] [Accepted: 05/05/2021] [Indexed: 12/24/2022] Open
Abstract
In spite of a decreasing number of new releases, New Synthetic Opioids (NSO) are gaining increasing importance in postmortem (PM) forensic toxicology. For the interpretation of analytical results, toxicokinetic (TK) data, e.g. on tissue distribution, are helpful. Concerning NSO, such data are usually not available due to the lack of controlled human studies. Hence, a controlled TK study using pigs was carried out and the tissue distribution of U-47700 and tramadol as reference was examined. Twelve pigs received an intravenous dose of 100 µg/kg body weight (BW) U-47700 or 1000 µg/kg BW tramadol, respectively. Eight hours after administration, the animals were put to death with T61. Relevant organs, body fluids and tissues were sampled. After homogenization and solid-phase extraction, quantification was performed applying standard addition and liquid chromatography-tandem mass spectrometry. At the time of death, the two parent compounds were determined in all analyzed specimens. Regarding U-47700, concentrations were highest in duodenum content, bile fluid and adipose tissue (AT). Concerning tramadol, next to bile fluid and duodenum content, highest concentrations were determined in the lung. Regarding the metabolites, N-desmethyl-U-47700 and O-desmethyltramadol (ODT) were detected in all analyzed specimens except for AT (ODT). Higher metabolite concentrations were found in specimens involved in metabolism. N-desmethyl-U-47700 showed much higher concentrations in routinely analyzed organs (lung, liver, kidney) than U-47700. To conclude, besides the routinely analyzed specimens in PM toxicology, AT, bile fluid and duodenum content could serve as alternative matrices for blood, urine or standard specimens such as kidney or liver. In case of U-47700, quantification of the main metabolite N-desmethyl-U-47700 is highly recommendable.
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Affiliation(s)
| | - Adrian A Doerr
- Institute of Legal Medicine, Saarland University, 66421 Homburg, Germany
| | - Stefan Potente
- Institute of Legal Medicine, Saarland University, 66421 Homburg, Germany
| | - Nadja Walle
- Institute of Legal Medicine, Saarland University, 66421 Homburg, Germany
| | - Matthias W Laschke
- Institute for Clinical and Experimental Surgery, Saarland University, 66421 Homburg, Germany
| | - Michael D Menger
- Institute for Clinical and Experimental Surgery, Saarland University, 66421 Homburg, Germany
| | - Peter H Schmidt
- Institute of Legal Medicine, Saarland University, 66421 Homburg, Germany
| | - Markus R Meyer
- Department of Experimental and Clinical Toxicology, Institute of Experimental and Clinical Pharmacology and Toxicology, Center for Molecular Signaling (PZMS), Saarland University, 66421 Homburg, Germany
| | - Nadine Schaefer
- Institute of Legal Medicine, Saarland University, 66421 Homburg, Germany
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Evangelista-Vaz R, Bergadano A, Arras M, Jirkof PD. Analgesic Efficacy of Subcutaneous-Oral Dosage of Tramadol after Surgery in C57BL/6J Mice. JOURNAL OF THE AMERICAN ASSOCIATION FOR LABORATORY ANIMAL SCIENCE : JAALAS 2018; 57:368-375. [PMID: 29871714 PMCID: PMC6059218 DOI: 10.30802/aalas-jaalas-17-000118] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/22/2017] [Revised: 10/24/2017] [Accepted: 12/20/2017] [Indexed: 12/22/2022]
Abstract
This study investigated the analgesic activity of tramadol in female C57BL/6J mice by using a single subcutaneous injection (25 mg/kg) of tramadol combined with the same dose given in drinking water for 24 h. We then evaluated the pharmacokinetics of tramadol and its active metabolite O-demethyltramadol (M1). To evaluate pain and analgesic efficacy, we performed clinical and behavioral assessment, burrowing tests, and activity analysis and measured body weight, food and water intake in mice that were untreated (control) or underwent analgesia only (T); anesthesia and surgery (AS); or anesthesia, surgery, and analgesia (AS+T). The plasma concentration of tramadol decreased rapidly whereas, for more than 18 h, the M1 level remained stable and above its minimal analgesic concentration for humans. Total food and water intake over 24 h was comparable among all groups. Although T mice consumed tramadol-treated water in sufficient amount and frequency, AS and AS+T animals showed decreased drinking frequency during the first 4 h after surgery. Compared with control and T groups, composite pain scores and burrowing latencies increased significantly in both AS and AS+T mice after surgery, suggesting postsurgical pain. However, AS and AS+T mice did not differ significantly after surgery. In conclusion, although naïve animals ingested a sufficient amount of the drug and plasma levels appeared sufficiently high, mice markedly reduced water intake immediately after surgery. Consequently, even in combination with an initial drug injection, the subsequent voluntary tramadol intake was insufficient to reduce signs of postsurgical pain significantly after laparotomy.
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Affiliation(s)
| | - Alessandra Bergadano
- Comparative Medicine, Roche Pharma Research and Early Development, Roche Innovation Center Basel, Basel, Switzerland
| | - Margarete Arras
- Division of Surgical Research, University Hospital Zurich, University of Zurich, Zurich, Switzerland
| | - Paulin D Jirkof
- Division of Surgical Research, University Hospital Zurich, University of Zurich, Zurich, Switzerland;,
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Smith JS, Chigerwe M, Kanipe C, Gray S. Femoral head ostectomy for the treatment of acetabular fracture and coxofemoral joint luxation in a Potbelly pig. Vet Surg 2016; 46:316-321. [PMID: 27990668 DOI: 10.1111/vsu.12604] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2016] [Revised: 08/21/2016] [Accepted: 08/25/2016] [Indexed: 11/30/2022]
Abstract
OBJECTIVE To report the successful surgical treatment of a comminuted left acetabular fracture, a dorsally luxated left femoral head, and avulsion of the ligament of the femoral head by femoral head ostectomy (FHO) and physical therapy in a companion Potbelly pig. STUDY DESIGN Case report. ANIMALS A 1-year-old, 13 kg, castrated male, companion Potbelly pig. METHODS The pig presented with a nonweight bearing left pelvic limb lameness of 3 weeks' duration that was noticed shortly after the pig got caught under a fence. Under general anesthesia a lateral approach was made to the fractured limb. A FHO was performed as described for dogs. Following surgery, a period of physical therapy was initiated based on protocols described for dogs. RESULTS The canine surgical procedure with the approach modified for pigs was successfully performed in our pig. Following surgery, the pig was comfortable and weight bearing. A physical therapy regimen of supervised activity, stairs, and water therapy was used to rehabilitate the leg, as well as a weight management protocol to maintain ideal body condition. The owner was highly satisfied with the outcome. Telephone follow-up with the owner at 12 months after surgery revealed no impairment to movement, and the pig was maintaining normal ambulation without lameness. No complications were observed with this case. CONCLUSION FHO, as described for dogs, provided a favorable outcome for hip luxation caused by acetabular fracture, luxation, and avulsion of the femoral head ligament in this small size Potbelly pig.
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Affiliation(s)
- Joe S Smith
- Department of Veterinary Diagnostic and Production Animal Medicine, College of Veterinary Medicine, Iowa State University, Ames, Iowa
| | - Munashe Chigerwe
- Department of Medicine and Epidemiology, School of Veterinary Medicine, University of California Davis, Davis, California
| | - Carly Kanipe
- Veterinary Pathology, College of Veterinary Medicine, Iowa State University, Ames, Iowa
| | - Sarah Gray
- William R. Pritchard Veterinary Medical Teaching Hospital, School of Veterinary Medicine, University of California Davis, Davis, California
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