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Paolini A, Bucci R, Bianchi A, Del Signore F, Parrillo S, Di Giosia A, Ristori C, Tamburro R, Robbe D, Carluccio A, Rosa V, Vignoli M. Use of Caudal Quadratus Lumborum Block with Ropivacaine as Part of an Opioid-Free Analgesic Protocol in Dogs Undergoing Orchiectomy: A Randomized Trial. Animals (Basel) 2024; 14:1885. [PMID: 38997997 PMCID: PMC11240621 DOI: 10.3390/ani14131885] [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: 05/14/2024] [Revised: 06/20/2024] [Accepted: 06/21/2024] [Indexed: 07/14/2024] Open
Abstract
In veterinary medicine, the use of loco-regional anesthesia techniques is increasing. The Quadratus Lumborum block (QL) is an interfascial loco-regional technique that involves the release of local anesthetic (LA) between the Quadratus Lumborum and the Small Psoas (Pm) muscle. The study aims to evaluate the effect of the QL block on reducing the total amount of opioids in dogs undergoing pre-scrotal orchiectomy. A group of 36 dogs was enrolled in a randomized blinded study. The animals were divided into two groups: 18 in the experimental group (QL) and 18 in the control group (C). The QL group received 0.4 mL kg-1 of ropivacaine 0.5% for each hemiabdomen (total amount of 3 mg kg-1 of ropivacaine, 1.5 mg kg-1 per side). The C group was brought into the operating room (OR) after receiving the same clipping as the QL group. In the intraoperative period, opioid consumption in the QL group was significantly lower than in the C group. No differences were found in the post-operative phase. No side effects were reported when performing the QL technique. The QL block performed at the level of L6 appears to be a valid approach to reducing opioid use in dogs undergoing orchidectomy with a pre-scrotal surgical approach.
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Affiliation(s)
- Andrea Paolini
- Small Animal Surgery and Anesthesia Service, Department of Veterinary Medicine, University of Teramo, 64100 Teramo, Italy
| | - Roberta Bucci
- Obstetrics, Gynecology and Veterinary Andrology Clinic Service, Department of Veterinary Medicine, University of Teramo, 64100 Teramo, Italy
| | - Amanda Bianchi
- Small Animal Surgery and Anesthesia Service, Department of Veterinary Medicine, University of Teramo, 64100 Teramo, Italy
| | - Francesca Del Signore
- Small Animal Imaging Service, Department of Veterinary Medicine, University of Teramo, 64100 Teramo, Italy
| | - Salvatore Parrillo
- Obstetrics, Gynecology and Veterinary Andrology Clinic Service, Department of Veterinary Medicine, University of Teramo, 64100 Teramo, Italy
| | - Alessandro Di Giosia
- Obstetrics, Gynecology and Veterinary Andrology Clinic Service, Department of Veterinary Medicine, University of Teramo, 64100 Teramo, Italy
| | - Claudia Ristori
- Small Animal Surgery and Anesthesia Service, Department of Veterinary Medicine, University of Teramo, 64100 Teramo, Italy
| | - Roberto Tamburro
- Small Animal Surgery and Anesthesia Service, Department of Veterinary Medicine, University of Teramo, 64100 Teramo, Italy
| | - Domenico Robbe
- Obstetrics, Gynecology and Veterinary Andrology Clinic Service, Department of Veterinary Medicine, University of Teramo, 64100 Teramo, Italy
| | - Augusto Carluccio
- Obstetrics, Gynecology and Veterinary Andrology Clinic Service, Department of Veterinary Medicine, University of Teramo, 64100 Teramo, Italy
| | - Valeria Rosa
- Small Animal Surgery and Anesthesia Service, Department of Veterinary Medicine, University of Teramo, 64100 Teramo, Italy
| | - Massimo Vignoli
- Small Animal Imaging Service, Department of Veterinary Medicine, University of Teramo, 64100 Teramo, Italy
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Morrill K, Chen F, Karlsson E. Comparative neurogenetics of dog behavior complements efforts towards human neuropsychiatric genetics. Hum Genet 2023; 142:1231-1246. [PMID: 37578529 DOI: 10.1007/s00439-023-02580-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2023] [Accepted: 06/02/2023] [Indexed: 08/15/2023]
Abstract
Domestic dogs display a wide array of heritable behaviors that have intermediate genetic complexity thanks to a long history of human-influenced selection. Comparative genetics in dogs could address the scarcity of non-human neurogenetic systems relevant to human neuropsychiatric disorders, which are characterized by mental, emotional, and behavioral symptoms and involve vastly complex genetic and non-genetic risk factors. Our review describes the diverse behavioral "phenome" of domestic dogs, past and ongoing sources of behavioral selection, and the state of canine behavioral genetics. We highlight two naturally disordered behavioral domains that illustrate how dogs may prove useful as a comparative, forward neurogenetic system: canine age-related cognitive dysfunction, which can be examined more rapidly given the attenuated lifespan of dogs, and compulsive disorders, which may have genetic roots in purpose-bred behaviors. Growing community science initiatives aimed at the companion dog population will be well suited to investigating such complex behavioral phenotypes and offer a comparative resource that parallels human genomic initiatives in scale and dimensionality.
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Affiliation(s)
- Kathleen Morrill
- Bioinformatics and Integrative Biology, University of Massachusetts Chan Medical School, Worcester, MA, USA.
- Vertebrate Genome Biology, Broad Institute of MIT and Harvard, Cambridge, MA, USA.
- Morningside Graduate School of Biomedical Sciences UMass Chan Medical School, Worcester, MA, USA.
| | - Frances Chen
- Bioinformatics and Integrative Biology, University of Massachusetts Chan Medical School, Worcester, MA, USA
- Vertebrate Genome Biology, Broad Institute of MIT and Harvard, Cambridge, MA, USA
| | - Elinor Karlsson
- Bioinformatics and Integrative Biology, University of Massachusetts Chan Medical School, Worcester, MA, USA
- Vertebrate Genome Biology, Broad Institute of MIT and Harvard, Cambridge, MA, USA
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Monteiro BP, Lascelles BDX, Murrell J, Robertson S, Steagall PVM, Wright B. 2022
WSAVA
guidelines for the recognition, assessment and treatment of pain. J Small Anim Pract 2022. [DOI: 10.1111/jsap.13566] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- B. P. Monteiro
- Department of Clinical Sciences, Faculty of Veterinary Medicine Université de Montréal 3200 rue Sicotte, Saint‐Hyacinthe Quebec Canada
| | - B. D. X. Lascelles
- Comparative Pain Research Laboratory and Surgery Section North Carolina State University 4700 Hillsborough Street Raleigh NC USA
| | - J. Murrell
- Highcroft Veterinary Referrals 615 Wells Rd, Whitchurch Bristol BS149BE UK
| | - S. Robertson
- Senior Medical Director Lap of Love Veterinary Hospice 17804 N US Highway 41 Lutz FL 33549 USA
| | - P. V. M. Steagall
- Department of Clinical Sciences, Faculty of Veterinary Medicine Université de Montréal 3200 rue Sicotte, Saint‐Hyacinthe Quebec Canada
| | - B. Wright
- Mistral Vet 4450 Thompson Pkwy Fort Collins CO 80534 USA
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Łebkowska-Wieruszewska B, Ziółkowski H, Sartini I, Lisowski A, Kowalski CJ, Poapolathep A, Giorgi M. Agomelatine: A novel melatonergic antidepressant. Method validation and first exploratory pharmacokinetic study in fasted and fed dogs. Res Vet Sci 2021; 139:140-144. [PMID: 34303122 DOI: 10.1016/j.rvsc.2021.07.019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2021] [Revised: 07/13/2021] [Accepted: 07/14/2021] [Indexed: 11/19/2022]
Abstract
Agomelatine is a novel melatonergic antidepressant, with a non-monoaminergic mechanism of action. The aim of this study was to evaluate its plasma concentrations after a single oral dose of 300 mg/dog in fasted and fed status. The research was carried out in 6 adult healthy Labrador dogs according to a randomized open, single-dose, two-treatment, two-phase, paired 2 × 2 cross-over study. At the end of the study all the animals had received the drug in fasted and fed conditions. The drug concentrations were detected in plasma by a validated LC-MS/MS analytical method. The plasma concentrations of agomelatine were found to be extremely variable in both groups as well as the pharmacokinetic profiles. Due to these variable findings the only reliable pharmacokinetic parameters were assessed as Cmax (31.8 vs 15.7 ng/mL), Tmax (0.75 vs 4 h) and AUC (155 vs 52 ng h/mL) in fasted and fed status, respectively. Unfortunately, as a pioneer study, the small animal sample size used along with the unanticipated variability did not allow to neither statistically estimate if food can affect the pharmacokinetics of agomelatine nor recommend agomelatine for off-label therapies in canine species. Further studies are warranted to clarify this issue.
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Affiliation(s)
- Beata Łebkowska-Wieruszewska
- Department of Pharmacology, Toxicology and Environmental Protection, University of Life Sciences, Lublin, Poland
| | - Hubert Ziółkowski
- Department of Pharmacology and Toxicology, Faculty of Veterinary Medicine, University of Warmia and Mazury in Olsztyn, Oczapowskiego 13, 10-718 Olsztyn, Poland
| | - Irene Sartini
- Department of Veterinary Medicine, University of Sassari, Italy
| | - Andrzej Lisowski
- Institute of Animal Breeding and Biodiversity Conservation, University of Life Sciences, Lublin, Poland
| | - Cezary J Kowalski
- Department of Pharmacology, Toxicology and Environmental Protection, University of Life Sciences, Lublin, Poland
| | - Amnart Poapolathep
- Department of Pharmacology, Faculty of Veterinary Medicine, Kasetsart University, Bangkok, Thailand
| | - Mario Giorgi
- Department of Veterinary Sciences, University of Pisa, Italy; Department of Veterinary Medicine, University of Sassari, Italy.
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Fundamental dietary specialisation explains differential use of resources within a koala population. Oecologia 2021; 196:795-803. [PMID: 34142232 DOI: 10.1007/s00442-021-04962-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2020] [Accepted: 05/31/2021] [Indexed: 12/23/2022]
Abstract
The diets of individual animals within populations can differ, but few studies determine whether this is due to fundamental differences in preferences or capacities to eat specific foods, or to external influences such as dominance hierarchies or spatial variation in food availability. The distinction is important because different drivers of dietary specialisation are likely to have different impacts on the way in which animal populations respond to, for example, habitat modification. We used a captive feeding study to investigate the mechanisms driving individual dietary specialisation in a population of wild koalas (Phascolarctos cinereus) in which individuals predominantly ate either Eucalyptus viminalis or Eucalyptus obliqua foliage. All six koalas that primarily ate E. viminalis in the wild avoided eating E. obliqua for more than 1 month in captivity. In contrast, all seven koalas that primarily ate E. obliqua could be maintained exclusively on this species in captivity, although they ate less from individual trees with higher foliar concentrations of unsubstituted B-ring flavanones (UBFs). Our results show that fundamental differences between individual animals allow some to exploit food resources that are less suitable for others. This could reduce competition for food, increase habitat carrying capacity, and is also likely to buffer the population against extinction in the face of habitat modification. The occurrence of fundamental individual specialisation within animal populations could also affect the perceived conservation value of different habitats, translocation or reintroduction success, and population dynamics. It should therefore be further investigated in other mammalian herbivore species.
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Ferreira J. Preanaesthetic screening in dogs and cats. IN PRACTICE 2020. [DOI: 10.1136/inp.m1448] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Barthélémy I, Hitte C, Tiret L. The Dog Model in the Spotlight: Legacy of a Trustful Cooperation. J Neuromuscul Dis 2020; 6:421-451. [PMID: 31450509 PMCID: PMC6918919 DOI: 10.3233/jnd-190394] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Dogs have long been used as a biomedical model system and in particular as a preclinical proof of concept for innovative therapies before translation to humans. A recent example of the utility of this animal model is the promising myotubularin gene delivery in boys affected by X-linked centronuclear myopathy after successful systemic, long-term efficient gene therapy in Labrador retrievers. Mostly, this is due to unique features that make dogs an optimal system. The continuous emergence of spontaneous inherited disorders enables the identification of reliable complementary molecular models for human neuromuscular disorders (NMDs). Dogs’ characteristics including size, lifespan and unprecedented medical care level allow a comprehensive longitudinal description of diseases. Moreover, the highly similar pathogenic mechanisms with human patients yield to translational robustness. Finally, interindividual phenotypic heterogeneity between dogs helps identifying modifiers and anticipates precision medicine issues. This review article summarizes the present list of molecularly characterized dog models for NMDs and provides an exhaustive list of the clinical and paraclinical assays that have been developed. This toolbox offers scientists a sensitive and reliable system to thoroughly evaluate neuromuscular function, as well as efficiency and safety of innovative therapies targeting these NMDs. This review also contextualizes the model by highlighting its unique genetic value, shaped by the long-term coevolution of humans and domesticated dogs. Because the dog is one of the most protected research animal models, there is considerable opposition to include it in preclinical projects, posing a threat to the use of this model. We thus discuss ethical issues, emphasizing that unlike many other models, the dog also benefits from its contribution to comparative biomedical research with a drastic reduction in the prevalence of morbid alleles in the breeding stock and an improvement in medical care.
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Affiliation(s)
- Inès Barthélémy
- U955 - IMRB, Team 10 - Biology of the neuromuscular system, Inserm, UPEC, EFS, École nationale vétérinaire d'Alfort, Maisons-Alfort, France
| | - Christophe Hitte
- CNRS, University of Rennes 1, UMR 6290, IGDR, Faculty of Medicine, SFR Biosit, Rennes, France
| | - Laurent Tiret
- U955 - IMRB, Team 10 - Biology of the neuromuscular system, Inserm, UPEC, EFS, École nationale vétérinaire d'Alfort, Maisons-Alfort, France
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Martinez MN, Court MH, Fink-Gremmels J, Mealey KL. Population variability in animal health: Influence on dose-exposure-response relationships: Part I: Drug metabolism and transporter systems. J Vet Pharmacol Ther 2018; 41:E57-E67. [PMID: 29917248 DOI: 10.1111/jvp.12670] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2018] [Revised: 04/26/2018] [Accepted: 05/07/2018] [Indexed: 01/03/2023]
Abstract
There is an increasing effort to understand the many sources of population variability that can influence drug absorption, metabolism, disposition, and clearance in veterinary species. This growing interest reflects the recognition that this diversity can influence dose-exposure-response relationships and can affect the drug residues present in the edible tissues of food-producing animals. To appreciate the pharmacokinetic diversity that may exist across a population of potential drug product recipients, both endogenous and exogenous variables need to be considered. The American Academy of Veterinary Pharmacology and Therapeutics hosted a 1-day session during the 2017 Biennial meeting to explore the sources of population variability recognized to impact veterinary medicine. The following review highlights the information shared during that session. In Part I of this workshop report, we consider sources of population variability associated with drug metabolism and membrane transport. Part II of this report highlights the use of modeling and simulation to support an appreciation of the variability in dose-exposure-response relationships.
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Affiliation(s)
- Marilyn N Martinez
- Center for Veterinary Medicine, US Food and Drug Administration, Rockville, Maryland
| | - Michael H Court
- Program in Individualized Medicine, Department of Veterinary Clinical Sciences, College of Veterinary Medicine, Washington State University, Pullman, Washington
| | - Johanna Fink-Gremmels
- Division of Pharmacology, Institute for Risk Assessment Sciences (IRAS), Utrecht University, Utrecht, The Netherlands
| | - Katrina L Mealey
- Program in Individualized Medicine, Department of Veterinary Clinical Sciences, College of Veterinary Medicine, Washington State University, Pullman, Washington
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