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Espadas-González L, Usón-Casaús JM, Pastor-Sirvent N, Santella M, Ezquerra-Calvo J, Pérez-Merino EM. The impact of the transversus abdominis plane block (TAP) on stress response measured through the complete blood- derived inflammatory markers. Vet Res Commun 2024; 48:497-506. [PMID: 37840089 PMCID: PMC10810931 DOI: 10.1007/s11259-023-10234-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2023] [Accepted: 10/08/2023] [Indexed: 10/17/2023]
Abstract
This study aims to evaluate the effect of the transversus abdominis plane (TAP) block on the blood cells and the inflammatory markers neutrophil- to- lymphocyte ratio (NLR), platelet- to- lymphocyte ratio (PLR), and systemic immune- inflammation index (SII) after the laparoscopic ovariectomy (LapOV) in dogs. 72 healthy bitches undergoing LapOV were randomly allocated to the no- TAP group of dogs under inhaled anesthesia (IA), the TAP- S group (IA and TAP with saline), and the TAP- B group (IA and TAP with bupivacaine). The NLR, PLR, and SII were calculated 1 h before ovariectomy (T0) and at 2-3 h (T1), 6-8 h (T2), and 20-24 h (T3) post- surgery. The number of dogs requiring postoperative analgesic rescue with buprenorphine and the doses administered in each group were recorded. Significant changes were observed in all groups' postoperative NLR, PLR, and SII over time. Between groups, no differences were observed in any of the ratios at any control point (NLR at T0-T3: p = 0.17, 0.36, 0.80, and 0.95; PLR at T0-T3: p = 0.70, 0.62, 0.21, 0.87; SII at T0-T3: p = 0.29, 0.65, 0.09, and 0.34). A significantly lower number of dogs required analgesic rescue in the TAP-B group (p = 0.0001) and a lower number of doses were administered (p = 0.001). There is no difference in the inflammatory response measured through the complete blood- derived inflammatory markers after the LapOV in dogs when the postoperative pain is managed entirely with opioids or with the TAP block with bupivacaine. The hydrodissection associated with the TAP block technique does not increase the inflammatory response.
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Affiliation(s)
- Lorena Espadas-González
- Unidad de Cirugía, Departamento de Medicina Animal, Facultad de Veterinaria UEx, Universidad de Extremadura, Avenida de la universidad s/n, Cáceres, 10003, Spain
| | - Jesús M Usón-Casaús
- Unidad de Cirugía, Departamento de Medicina Animal, Facultad de Veterinaria UEx, Universidad de Extremadura, Avenida de la universidad s/n, Cáceres, 10003, Spain
| | - Nieves Pastor-Sirvent
- Unidad de Cirugía, Departamento de Medicina Animal, Facultad de Veterinaria UEx, Universidad de Extremadura, Avenida de la universidad s/n, Cáceres, 10003, Spain
| | - Massimo Santella
- Veterinary Teaching Hospital, Facultad de Veterinaria, Universidad de Extremadura, Avenida de la universidad s/n, Cáceres, 10003, Spain
| | - Javier Ezquerra-Calvo
- Unidad de Cirugía, Departamento de Medicina Animal, Facultad de Veterinaria UEx, Universidad de Extremadura, Avenida de la universidad s/n, Cáceres, 10003, Spain
| | - Eva M Pérez-Merino
- Unidad de Cirugía, Departamento de Medicina Animal, Facultad de Veterinaria UEx, Universidad de Extremadura, Avenida de la universidad s/n, Cáceres, 10003, Spain.
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Partridge B, Eardley A, Morales BE, Campelo SN, Lorenzo MF, Mehta JN, Kani Y, Mora JKG, Campbell EOY, Arena CB, Platt S, Mintz A, Shinn RL, Rylander CG, Debinski W, Davalos RV, Rossmeisl JH. Advancements in drug delivery methods for the treatment of brain disease. Front Vet Sci 2022; 9:1039745. [PMID: 36330152 PMCID: PMC9623817 DOI: 10.3389/fvets.2022.1039745] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2022] [Accepted: 09/26/2022] [Indexed: 11/15/2022] Open
Abstract
The blood-brain barrier (BBB) presents a formidable obstacle to the effective delivery of systemically administered pharmacological agents to the brain, with ~5% of candidate drugs capable of effectively penetrating the BBB. A variety of biomaterials and therapeutic delivery devices have recently been developed that facilitate drug delivery to the brain. These technologies have addressed many of the limitations imposed by the BBB by: (1) designing or modifying the physiochemical properties of therapeutic compounds to allow for transport across the BBB; (2) bypassing the BBB by administration of drugs via alternative routes; and (3) transiently disrupting the BBB (BBBD) using biophysical therapies. Here we specifically review colloidal drug carrier delivery systems, intranasal, intrathecal, and direct interstitial drug delivery methods, focused ultrasound BBBD, and pulsed electrical field induced BBBD, as well as the key features of BBB structure and function that are the mechanistic targets of these approaches. Each of these drug delivery technologies are illustrated in the context of their potential clinical applications and limitations in companion animals with naturally occurring intracranial diseases.
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Affiliation(s)
- Brittanie Partridge
- Veterinary and Comparative Neuro-Oncology Laboratory, Virginia-Maryland College of Veterinary Medicine, Virginia Tech, Blacksburg, VA, United States
| | - Allison Eardley
- Veterinary and Comparative Neuro-Oncology Laboratory, Virginia-Maryland College of Veterinary Medicine, Virginia Tech, Blacksburg, VA, United States
| | - Brianna E. Morales
- Walker Department of Mechanical Engineering, University of Texas at Austin, Austin, TX, United States
| | - Sabrina N. Campelo
- Department of Biomedical Engineering and Mechanics, Virginia Tech, Blacksburg, VA, United States
| | - Melvin F. Lorenzo
- Department of Biomedical Engineering and Mechanics, Virginia Tech, Blacksburg, VA, United States
| | - Jason N. Mehta
- Walker Department of Mechanical Engineering, University of Texas at Austin, Austin, TX, United States
| | - Yukitaka Kani
- Veterinary and Comparative Neuro-Oncology Laboratory, Virginia-Maryland College of Veterinary Medicine, Virginia Tech, Blacksburg, VA, United States
| | - Josefa K. Garcia Mora
- Veterinary and Comparative Neuro-Oncology Laboratory, Virginia-Maryland College of Veterinary Medicine, Virginia Tech, Blacksburg, VA, United States
| | - Etse-Oghena Y. Campbell
- Walker Department of Mechanical Engineering, University of Texas at Austin, Austin, TX, United States
| | - Christopher B. Arena
- Department of Biomedical Engineering and Mechanics, Virginia Tech, Blacksburg, VA, United States
| | - Simon Platt
- Department of Small Animal Medicine and Surgery, University of Georgia, Athens, GA, United States
| | - Akiva Mintz
- Department of Radiology, Columbia University Medical Center, New York, NY, United States
| | - Richard L. Shinn
- Veterinary and Comparative Neuro-Oncology Laboratory, Virginia-Maryland College of Veterinary Medicine, Virginia Tech, Blacksburg, VA, United States
| | - Christopher G. Rylander
- Walker Department of Mechanical Engineering, University of Texas at Austin, Austin, TX, United States
| | - Waldemar Debinski
- Department of Cancer Biology, Wake Forest Baptist Comprehensive Cancer Center, Winston-Salem, NC, United States
| | - Rafael V. Davalos
- Department of Biomedical Engineering and Mechanics, Virginia Tech, Blacksburg, VA, United States
| | - John H. Rossmeisl
- Veterinary and Comparative Neuro-Oncology Laboratory, Virginia-Maryland College of Veterinary Medicine, Virginia Tech, Blacksburg, VA, United States
- Department of Cancer Biology, Wake Forest Baptist Comprehensive Cancer Center, Winston-Salem, NC, United States
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Clinical Assessment of Introducing Locoregional Anaesthesia Techniques as Part as the Intraoperative Analgesia Management for Canine Ovariohysterectomy in a Veterinary Teaching Hospital. Animals (Basel) 2022; 12:ani12151939. [PMID: 35953928 PMCID: PMC9367294 DOI: 10.3390/ani12151939] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2022] [Revised: 07/28/2022] [Accepted: 07/28/2022] [Indexed: 01/01/2023] Open
Abstract
This study compared four methods to provide intraoperative analgesia during canine ovariohysterectomy in a veterinary teaching hospital. A retrospective study was designed to assess the nociceptive response, cardiorespiratory stability, quality of recovery and complications of four analgesic protocols: epidural analgesia (EPIDURAL group), Quadratus Lumborum block (QLB group), Transversus Abdominis Plane block (TAP group), and just systemic analgesia (GENERAL group). Undergraduate students carried out all the loco-regional techniques under the direct supervision of a qualified anaesthetist. A total of 120 cases met the inclusion criteria and were included in the study and were distributed as follows: 22, 27, 32 and 39 cases with EPIDURAL, GENERAL, QLB and TAP groups, respectively. Data were analysed with statistical software R using different statistical methods. Significant differences among groups were defined as p < 0.05. Based on our results, all the groups needed the same number of rescue analgesia during the intra-operative period. The use of loco-regional techniques anticipated a better quality of recovery compared with the general group. The EPIDURAL group showed a statistically lower expired fraction of sevoflurane. No differences were found regarding complications. In conclusion, these four analgesic methods are suitable and safe to be performed for canine ovariohysterectomy, although loco-regional techniques might have some advantages.
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Lardone E, Giaiot V, Franci P. A case of priapism following intrathecal morphine injection in a dog. Open Vet J 2022; 12:693-696. [PMID: 36589402 PMCID: PMC9789757 DOI: 10.5455/ovj.2022.v12.i5.14] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2022] [Accepted: 08/17/2022] [Indexed: 11/07/2022] Open
Abstract
Background Priapism refers to prolonged erection unrelated to sexual stimulation, with severe sequelae unless treated. In humans, it is a rare complication associated with epidural or spinal opioid administration. Its pathophysiology is unclear. This is the first report of priapism following neuraxial anesthesia in dog. Case Description An intrathecal morphine injection (30 mcg/kg) at L5-L6 for postoperative analgesia was given at the end of surgery for removal of cutaneous mastocytomas of the abdomen and left axillary lymphadenectomy. Painless penile erection occurred 2 hours later and lasted 6 hours, before spontaneously resolving 7-8 hours after the injection. No pain or other adverse events (e.g., nausea, urinary retention, and itching) were recorded. Recovery was complete without treatment. Conclusion Painless, self-resolving priapism is a rare complication associated with intrathecal morphine injection in dogs.
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Affiliation(s)
- Elena Lardone
- Corresponding Author: Elena Lardone. Department of Veterinary Science, University of Turin, Turin, Italy.
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