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Veterinary and Comparative Orthopaedics and Traumatology: V.C.O.T

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https://www.readbyqxmd.com/read/28094424/ex-vivo-torsional-properties-of-a-2-5-mm-veterinary-interlocking-nail-system-in-canine-femurs-comparison-with-a-2-4-mm-limited-contact-bone-plate
#1
Aline S Macedo, Noel M M Moens, John Runciman, Tom W G Gibson, Bruno W Minto
OBJECTIVE: To evaluate the torsional properties of the Targon(®) Vet Nail System (TVS) in small canine femurs and to compare these properties to those of the 2.4 mm LC-DCP(®) plates. METHODS: Thirty-six cadaveric femurs were allocated to three groups (n = 12). In all bones, points just distal to the lesser trochanter and just proximal to the fabellae were marked and a midshaft transverse osteotomy was performed. Group 1: bones were fixed with the 2.5 mm TVS with the bolts applied at the pre-identified marks...
January 17, 2017: Veterinary and Comparative Orthopaedics and Traumatology: V.C.O.T
https://www.readbyqxmd.com/read/28094423/repeatability-and-accuracy-testing-of-a-weight-distribution-platform-and-comparison-to-a-pressure-sensitive-walkway-to-assess-static-weight-distribution
#2
Georgia Bosscher, Andrea Tomas, Simon C Roe, Denis J Marcellin-Little, B Duncan X Lascelles
OBJECTIVE: To evaluate the accuracy and repeatability of measurements collected using a weight distribution platform and a pressure sensitive walkway using an inanimate object with known weight distribution. METHODS: A custom-built jig with a range of weights was applied in a random order. Measurements were collected on both devices and compared to each other and to the known weight distribution. RESULTS: Weight distribution platform and pressure sensitive walkway measurements were highly correlated to each other (Pearson's correlation coefficient R = 0...
January 17, 2017: Veterinary and Comparative Orthopaedics and Traumatology: V.C.O.T
https://www.readbyqxmd.com/read/28094422/predicting-the-need-for-trochleoplasty-in-canine-patellar-luxation-using-pre-and-intra-operative-assessments-of-trochlear-depth
#3
Julie Skovgaard Orthmand Hansen, Ken Lindeblad, Lene Buelund, James Miles
OBJECTIVES: To evaluate the repeatability and reproducibility of ultrasonographic femoral trochlear depth measurements and to compare ultrasonographic and intra-operative evaluations of femoral trochlear depth for predictive value in selecting trochleoplasty. METHODS: Repeatability and reproducibility of an ultrasonographic protocol were tested in a preclinical cadaveric study. Clinical patients undergoing corrective surgery for patellar luxation were evaluated preoperatively with ultrasound and intra-operatively using a depth gauge...
January 17, 2017: Veterinary and Comparative Orthopaedics and Traumatology: V.C.O.T
https://www.readbyqxmd.com/read/28094421/biomechanical-evaluation-of-simulated-feline-patellar-fracture-repairs
#4
Mark Longley, Sorrel Langley-Hobbs, John Tarlton
OBJECTIVE: To investigate four techniques for stabilization of feline patellar fracture. METHODS: Feline cadaveric stifles with simulated patellar fracture were stabilized with one of four techniques: Group A - circumferential wire, group B - figure-of-eight wire, group C - combined figure-of-eight and circumferential wire, group D - pin and tension band wire. All repairs were subjected to a period of cyclic loading prior to load to failure testing. Experiments were recorded by video capture to determine load at failure and failure mode...
January 17, 2017: Veterinary and Comparative Orthopaedics and Traumatology: V.C.O.T
https://www.readbyqxmd.com/read/28094420/evaluation-of-the-optimal-plate-position-for-the-fixation-of-supraglenoid-tubercle-fractures-in-warmbloods
#5
Sina Frei, Hans Geyer, Seamus Hoey, Anton E Fuerst, Andrea S Bischofberger
OBJECTIVES: To determine scapular cortex thickness, distal scapular bone density and describe the exact suprascapular nerve course to evaluate the best plate position for the fixation of supraglenoid tubercle fractures in horses. METHODS: Twelve equine cadaveric shoulders were examined with computed tomography. Computed tomography morphometry and density measurements (Hounsfield units [HU]) of the scapula were recorded. Statistical comparisons were made between the cranial and caudal aspects of the scapula...
January 17, 2017: Veterinary and Comparative Orthopaedics and Traumatology: V.C.O.T
https://www.readbyqxmd.com/read/28094419/postoperative-computed-tomography-and-low-field-magnetic-resonance-imaging-findings-in-dogs-with-degenerative-lumbosacral-stenosis-treated-by-dorsal-laminectomy
#6
Martin Rapp, Charles J Ley, Kerstin Hansson, Lennart Sjöström
OBJECTIVES: To describe postoperative computed tomography (CT) and magnetic resonance imaging (MRI) findings in dogs with degenerative lumbosacral stenosis (DLSS) treated by dorsal laminectomy and partial discectomy. METHODS: Prospective clinical case study of dogs diagnosed with and treated for DLSS. Surgical and clinical findings were described. Computed tomography and low field MRI findings pre- and postoperatively were described and graded. Clinical, CT and MRI examinations were performed four to 18 months after surgery...
January 17, 2017: Veterinary and Comparative Orthopaedics and Traumatology: V.C.O.T
https://www.readbyqxmd.com/read/28094418/comparative-anatomy-and-biomechanical-properties-of-atlantoaxial-ligaments-in-equine-bovine-and-canine-cadaveric-specimens
#7
Franck Forterre, Michael H Stoffel, Christoph Koch, Christina Precht, Maja Waschk, Alexander Bürki
OBJECTIVES: Atlantoaxial instability has been reported in humans, dogs, equids and ruminants. The functional role of the atlantoaxial ligaments has only been described rudimentarily in equids and ruminants. The goal of the present cadaveric study was to compare the anatomy between the different species and to comparatively assess the role of the stabilizing ligaments of the atlantoaxial joint under sagittal shear loading in canine, equine, and bovine cervical spines. METHODS: Three equine, bovine, and canine cadaveric specimens were investigated...
January 17, 2017: Veterinary and Comparative Orthopaedics and Traumatology: V.C.O.T
https://www.readbyqxmd.com/read/28094417/evaluation-of-proximal-and-distal-motor-nerve-conduction-using-the-electrical-root-stimulation-technique-in-the-femoral-and-obturator-nerves
#8
Cengiz Ünsal, Erkut Turan, Ömer G Dilek, Seyyid S Sabancı, Murat Sarıerler
OBJECTIVES: This study aimed to investigate the adaptability of the electrical root stimulation technique by achieving normative data from the obturator and femoral nerves of healthy dogs. METHODS: For this purpose, two stimulations and recordings were performed on both the obturator and femoral nerves in 40 dogs (22 males and 18 females). Electrical root stimulation was applied via monopolar needle electrodes between the sixth to seventh and fifth to sixth lumbar interarcuate spaces to the obturator and femoral nerves, respectively...
January 17, 2017: Veterinary and Comparative Orthopaedics and Traumatology: V.C.O.T
https://www.readbyqxmd.com/read/28094415/outcome-of-nonunion-fractures-in-dogs-treated-with-fixation-compression-resistant-matrix-and-recombinant-human-bone-morphogenetic-protein-2
#9
Anna M Massie, Amy S Kapatkin, Mark C Fuller, Frank J M Verstraete, Boaz Arzi
OBJECTIVES: To report the use of compression resistant matrix (CRM) infused with recombinant human bone morphogenetic protein (rhBMP-2) prospectively in the healing of nonunion long-bone fractures in dogs. METHODS: A longitudinal cohort of dogs that were presented with nonunion fractures were classified and treated with CRM soaked with rhBMP-2 and fracture fixation. They were followed with serial radiographs and evaluated for healing times and complications according to the time frame and definitions previously established for orthopaedic clinical cases...
January 17, 2017: Veterinary and Comparative Orthopaedics and Traumatology: V.C.O.T
https://www.readbyqxmd.com/read/28094414/asymmetrical-lumbosacral-transitional-vertebrae-in-dogs-may-promote-asymmetrical-hip-joint-development
#10
Mark A Flückiger, Frank Steffen, Michael Hässig, Joseph P Morgan
OBJECTIVES: This study examines the relationship between the morphology of the lumbosacral transitional vertebra (LTV) and asymmetrical development of the hip joints in dogs. METHODS: A total of 4000 dogs which had been consecutively scored for canine hip dysplasia were checked for the presence of a LTV. A LTV was noted in 138 dogs and classified depending on the morphology of the transverse processes and the degree of contact with the ilium. RESULTS: In dogs with an asymmetrical LTV, the hip joint was significantly more predisposed to subluxation and malformation on the side of the intermediate or sacral-like transverse process (p <0...
January 17, 2017: Veterinary and Comparative Orthopaedics and Traumatology: V.C.O.T
https://www.readbyqxmd.com/read/28094412/ultrasound-guided-approach-to-the-cervical-articular-process-joints-in-horses-a-validation-of-the-technique-in-cadavers
#11
Jessica Purefoy Johnson, John David Stack, Conor Rowan, Ian Handel, John Mark O'Leary
OBJECTIVES: To compare accuracy of the ultrasound-guided craniodorsal (CrD) approach with the dorsal (D) approach to the cervical articular process joints, and to evaluate the effect of transducer, needle gauge, and operator experience. METHODS: Cervical articular process joints from 14 cadaveric neck specimens were injected using either a D or CrD approach, a linear (13 MHx) or microconvex transducer (10 MHz), and an 18 or 20 gauge needle, by an experienced or inexperienced operator...
January 17, 2017: Veterinary and Comparative Orthopaedics and Traumatology: V.C.O.T
https://www.readbyqxmd.com/read/27977028/surgical-management-of-dorsal-scapular-luxation-in-three-dogs
#12
Stephen C Jones, Selena Tinga, Erin G Porter, Daniel Lewis
Scapular luxation is an uncommon cause of forelimb lameness in dogs and cats. Traumatic rupture of the serratus ventralis muscle allows the scapula to displace dorsally during weight-bearing. Specific documentation regarding clinical presentation and surgical techniques is limited, with no medium- to long-term results of surgical intervention in dogs described. Presented here are three cases of scapular luxation in dogs, treated with a modified surgical technique. Clinical outcome was considered good to excellent, with resolution of lameness and abnormal scapular motion in all three dogs...
December 15, 2016: Veterinary and Comparative Orthopaedics and Traumatology: V.C.O.T
https://www.readbyqxmd.com/read/27977027/the-effect-of-limb-amputation-on-standing-weight-distribution-in-the-remaining-three-limbs-in-dogs
#13
Grayson Lee Cole, Darryl Millis
Despite the fact that limb amputation is a commonly performed procedure in veterinary medicine, quantitative data regarding outcomes are lacking. The intention of this study was to evaluate the effect of limb amputation on weight distribution to the remaining three limbs at a stance in dogs. Ten dogs with a prior forelimb amputation and ten dogs with a prior hindlimb amputation; all of which had no history of orthopaedic or neural disease in the remaining three limbs were included in the study. Standing weight bearing was evaluated with a commercial stance analyzer in all dogs...
December 15, 2016: Veterinary and Comparative Orthopaedics and Traumatology: V.C.O.T
https://www.readbyqxmd.com/read/27935007/a-response-to-traumatic-fracture-of-the-medial-coronoid-process-in-24-dogs
#14
Desmond K Tan, Sherman O Canapp, Christopher S Leasure, David L Dycus, Erica O'Donnell
No abstract text is available yet for this article.
December 9, 2016: Veterinary and Comparative Orthopaedics and Traumatology: V.C.O.T
https://www.readbyqxmd.com/read/27935005/preoperative-low-level-laser-therapy-in-dogs-undergoing-tibial-plateau-levelling-osteotomy-a-blinded-prospective-randomized-clinical-trial
#15
Cleo P Rogatko, Wendy I Baltzer, Rachel Tennant
OBJECTIVES: To evaluate the influence of preoperative low-level laser therapy (LLLT) on therapeutic outcomes of dogs undergoing tibial plateau levelling osteotomy (TPLO). METHODS: Healthy dogs undergoing TPLO were randomly assigned to receive either a single preoperative LLLT treatment (800-900 nm dual wavelength, 6 W, 3.5 J/cm(2), 100 cm(2) area) or a sham treatment. Lameness assessment and response to manipulation, as well as force plate analysis, were performed preoperatively, then again at 24 hours, two weeks, and eight weeks postoperatively...
December 9, 2016: Veterinary and Comparative Orthopaedics and Traumatology: V.C.O.T
https://www.readbyqxmd.com/read/27849109/sagittal-accuracy-of-tibial-osteotomy-position-during-in-vivo-tibial-plateau-levelling-osteotomy-performed-without-an-alignment-jig-and-cutting-guide
#16
Andrew Craig, Philip Georg Witte, Harry William Scott
OBJECTIVES: To assess the accuracy of tibial osteotomy location for tibial plateau levelling osteotomy (TPLO) in the sagittal plane and its effect on the postoperative tibial plateau angle (TPA), when performed without an alignment jig and saw guide. Also, to document the improvement gained with experience. METHODS: Medical records and stifle radiographs of dogs undergoing TPLO, without the use of an alignment jig and saw guide, by one surgeon were reviewed (2010-2014)...
November 16, 2016: Veterinary and Comparative Orthopaedics and Traumatology: V.C.O.T
https://www.readbyqxmd.com/read/27849108/influence-of-calcium-salts-and-bovine-thrombin-on-growth-factor-release-from-equine-platelet-rich-gel-supernatants
#17
Carlos E Giraldo, María E Álvarez, Jorge U Carmona
OBJECTIVE: To compare five activation methods in equine platelet-rich plasma (PRP) by determination of platelet-derived growth factor BB (PDGF-BB) and transforming growth factor beta 1 (TGF-β1) concentrations in platelet-rich gel (PRG) supernatants. METHODS: Platelet-rich plasma from 20 horses was activated by calcium chloride (CC), calcium gluconate (CG), bovine thrombin (BT), and their combinations, BTCC and BTCG. Both growth factor concentrations in PRG supernatants were measured by ELISA and compared with plasma and platelet lysates (PL) over time...
November 16, 2016: Veterinary and Comparative Orthopaedics and Traumatology: V.C.O.T
https://www.readbyqxmd.com/read/27849107/revision-of-a-bfx-total-hip-replacement-stem-using-a-kyon-stem-and-a-head-adaptor-in-two-dogs
#18
Luca Vezzoni, Sara Bazzo, Aldo Vezzoni
OBJECTIVE: To report revision of BFX cementless press-fit stem loosening with a Kyon cementless stem and a head adaptor in two dogs. METHODS: Total hip arthroplasty stem revision was performed in two dogs with loosening of a previously implanted Biomedtrix press-fit BFX stem. Both dogs had a well-integrated BFX cup and single stage revision was performed using a standard Kyon stem and a head adaptor in order to couple with a 17 mm head and maintain the BFX cup. RESULTS: Revisions resulted in a stable functional prosthesis with successful bone integration at the one-year postoperative re-evaluation...
November 16, 2016: Veterinary and Comparative Orthopaedics and Traumatology: V.C.O.T
https://www.readbyqxmd.com/read/27849106/computed-tomography-and-radio-graphic-assessment-of-congruity-between-the-ulnar-trochlear-notch-and-humeral-trochlea-in-large-breed-dogs
#19
Sofia Alves-Pimenta, Mário M Ginja, Armando M Fernandes, António J Ferreira, Pedro Melo-Pinto, Bruno Colaço
OBJECTIVE: Assess the fit between the ulnar trochlear notch (UTN) and humeral trochlea (HT) in elbow radiographs and computed tomography (CT) images by measuring the curvature radii in normal joints. METHODS: Mediolateral extended view (MLE) and CT were performed on 16 elbows from cadaveric dogs weighing over 20 kg. Curves were traced at the subchondral level from the UTN central ridge and the HT sagittal groove related to the UTN on ~132° joint extension. Curvature radii were achieved using appropriate computer software...
November 16, 2016: Veterinary and Comparative Orthopaedics and Traumatology: V.C.O.T
https://www.readbyqxmd.com/read/27849105/traumatic-fracture-of-the-medial-coronoid-process-in-24-dogs
#20
Dirsko von Pfeil, Mark Albrecht, Mathieu Glassman
No abstract text is available yet for this article.
November 16, 2016: Veterinary and Comparative Orthopaedics and Traumatology: V.C.O.T
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