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

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https://www.readbyqxmd.com/read/27849110/evaluation-of-the-use-of-intra-operative-radiology-for-open-placement-of-lag-screws-for-the-stabilization-of-sacroiliac-luxation-in-cats
#1
Francisco Silveira, Robert J Quinn, Anna M Adrian, Martin R Owen, Mark A Bush
OBJECTIVES: To assess the effect of intra-operative radiology on the quality of lag screw insertion for the management of sacroiliac joint luxations in cats. METHODS: In this retrospective single-centre study, the surgical, anaesthetic and imaging records of 40 screws (32 cats) placed with lag effect for management of sacroiliac luxation were reviewed. Postoperative radiographs were assessed for sacroiliac joint reduction, screw position, and sacral width purchased by each screw...
November 16, 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
#2
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
#3
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
#4
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
#5
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
#6
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
https://www.readbyqxmd.com/read/27849104/biomechanical-comparison-of-two-ostectomy-configurations-for-partial-mandibulectomy
#7
Daniel Linden, Brad M Matz, Ramsis Farag, Harry W Boothe, D Michael Tillson, Ralph Henderson
OBJECTIVE: To determine the stiffness and load to failure of two different ostectomy configurations using canine mandibles. STUDY DESIGN: Cadaveric biomechanical assessment. ANIMALS: Paired mandibles (n = 30). METHODS: Standardized partial ostectomies were created on the alveolar surface of 30 mandibles. Samples were randomly assigned to right-angled (n = 15) or crescentic ostectomy (n = 15). Excision spanned the mesial aspect of the fourth premolar tooth to the distal aspect of first molar tooth...
November 16, 2016: Veterinary and Comparative Orthopaedics and Traumatology: V.C.O.T
https://www.readbyqxmd.com/read/27849103/the-evaluation-of-limb-symmetry-indices-using-ground-reaction-forces-collected-with-one-or-two-force-plates-in-healthy-dogs
#8
Nicola J Volstad, Gabby Sandberg, Sarah Robb, Steven C Budsberg
OBJECTIVE: To compare the variability of symmetry indices within and between days when using one and two force plates for data collection. ANIMALS: Seventeen healthy client-owned adult dogs. METHODS: Vertical ground reaction force data were collected in a crossover study design, with four collection sessions on two consecutive days, and then two weeks apart (days 1, 2, 15, and 16) using both 1-plate and 2-plate collection methods. Symmetry indices were calculated for limb pairs using two standard equations (SI1 and SI2)...
November 16, 2016: Veterinary and Comparative Orthopaedics and Traumatology: V.C.O.T
https://www.readbyqxmd.com/read/27849102/kirschner-wire-fixation-of-salter-harris-type-iv-fracture-of-the-lateral-aspect-of-the-humeral-condyle-in-growing-dogs-a-retrospective-study-of-35-fractures
#9
Filippo Cinti, Guido Pisani, Luca Vezzoni, Bruno Peirone, Aldo Vezzoni
OBJECTIVES: To evaluate the use of Kirschner wires for treatment of fractures of the lateral aspect of the humeral condyle in growing dogs. METHODS: Retrospective analysis of 35 elbow fractures (33 dogs) of the lateral aspect of the humeral condyle treated by insertion of multiple transcondylar and one anti-rotational Kirschner wires. Radiographic and clinical re-evaluations were carried out immediately after surgery, at four weeks and, when required, at eight weeks postoperatively...
November 16, 2016: Veterinary and Comparative Orthopaedics and Traumatology: V.C.O.T
https://www.readbyqxmd.com/read/27779272/effect-of-monocortical-and-bicortical-screw-numbers-on-the-properties-of-a-locking-plate-intramedullary-rod-configuration-an-in-vitro-study-on-a-canine-femoral-fracture-gap-model
#10
Elinor J Field, Kevin Parsons, Julie A Etches, Katie Hamilton, Neil J Burton
OBJECTIVES: To evaluate the effect of varying the number and configuration of locking bicortical and monocortical screws on a plate-rod construct using a mid-diaphyseal femoral ostectomy model. METHODS: Thirty Greyhound femurs were assigned to six groups (A-F). An intramedullary pin was placed in each bone following which a 3.5 mm locking plate was applied with six differing locking screw configurations. Groups A to C had one bicortical screw in the most proximal and distal plate holes and one to three monocortical locking screws in the proximal and distal fragments...
October 25, 2016: Veterinary and Comparative Orthopaedics and Traumatology: V.C.O.T
https://www.readbyqxmd.com/read/27779271/inter-and-intra-observer-variability-of-radiography-and-computed-tomography-for-evaluation-of-zurich-cementless-acetabular-cup-placement-ex-vivo
#11
Jessica O Leasure, Jeffrey N Peck, Armando Villamil, Kara L Fiore, Cheryl A Tano
OBJECTIVE: To evaluate the inter- and intra-observer variability in measurement of the angle of lateral opening (ALO) and version angle measurement using digital radiography and computed tomography (CT). METHODS: Each hemipelvis was implanted with a cementless acetabular cup. Ventrodorsal and mediolateral radiographs were made of each pelvis, followed by CT imaging. After removal of the first cup, the pelves were implanted with an acetabular cup in the contralateral acetabulum and imaging was repeated...
October 25, 2016: Veterinary and Comparative Orthopaedics and Traumatology: V.C.O.T
https://www.readbyqxmd.com/read/27761581/evaluation-of-an-overlapping-pubic-and-ischiatic-osteotomy-for-the-improvement-of-acetabular-ventroversion-in-dogs-an-ex-vivo-study
#12
Julie A Gervais, James K Roush, David S Biller
OBJECTIVES: To assess the potential of a new single-session surgical procedure, the overlapping pubic and ischiatic osteotomy (OPIO) for modification of bilateral hip conformation. We hypothesized that OPIO would be simple to perform with currently available surgical equipment, through a single surgical approach, with minimal potential morbidity, and that it would allow adequate simultaneous bilateral improvement of coxofemoral joint conformation in patients at risk of canine hip dysplasia...
October 20, 2016: Veterinary and Comparative Orthopaedics and Traumatology: V.C.O.T
https://www.readbyqxmd.com/read/27761578/one-stage-revision-of-an-infected-cementless-total-hip-replacement
#13
Michael G Ficklin, Michael P Kowaleski, Kevin A R Kunkel, Jonathan T Suber
A two-year-old, 44 kg dog with a right Helica cementless total hip replacement (THR) was radiographically diagnosed with implant loosening eight months after the index total hip replacement procedure. Subsequent synoviocentesis and synovial fluid culture revealed a methicillin-resistant coagulase-negative Staphylococcus spp infection of the right THR. A one-stage revision using a hybrid BFX cementless acetabular cup and CFX cemented femoral stem was performed. Vancomycin and micro-silver antimicrobial powder impregnated cement were used in the revision...
October 20, 2016: Veterinary and Comparative Orthopaedics and Traumatology: V.C.O.T
https://www.readbyqxmd.com/read/27761576/evaluation-of-inertial-measurement-units-as-a-novel-method-for-kinematic-gait-evaluation-in-dogs
#14
Felix M Duerr, Alexandra Pauls, Chris Kawcak, Kevin Haussler, Gina Bertocci, Valerie Moorman, Melissa King
OBJECTIVE: To evaluate the use of inertial measurement units (IMU) for quantification of canine limb kinematics. METHODS: Sixteen clinically healthy, medium-sized dogs were enrolled. Baseline kinematic data were acquired using an optical motion capture system. Following this baseline data acquisition, a harness system was used for attachment of IMU to the animals. Optical kinematic data of dogs with and without the harness were compared to evaluate the influence of the harness on gait parameters...
October 20, 2016: Veterinary and Comparative Orthopaedics and Traumatology: V.C.O.T
https://www.readbyqxmd.com/read/27739557/clinical-evaluation-of-a-mini-locking-plate-system-for-fracture-repair-of-the-radius-and-ulna-in-miniature-breed-dogs
#15
Byung-Jae Kang, Hak-Hyun Ryu, Sungsu Park, Yongsun Kim, Oh-Kyeong Kweon, Kei Hayashi
OBJECTIVES: To retrospectively evaluate the effectiveness of a novel 1.2 mm mini locking plate system in treating fractures of the radius and ulna in miniature breed dogs. METHODS: Medical records and radiographs of miniature breed dogs with fractures treated with a 1.2 mm mini locking plate system were reviewed. The inclusion criteria were: body weight of 2.5 kg or less, transverse or short oblique fracture of the radius and ulna, and treatment with mini locking plate system as the sole method of fixation...
October 14, 2016: Veterinary and Comparative Orthopaedics and Traumatology: V.C.O.T
https://www.readbyqxmd.com/read/27739556/combined-tibial-plateau-levelling-osteotomy-and-tibial-tuberosity-transposition-for-treatment-of-cranial-cruciate-ligament-insufficiency-with-concomitant-medial-patellar-luxation
#16
Katherine C Leonard, Michael P Kowaleski, William B Saunders, Robert J McCarthy, Randy J Boudrieau
OBJECTIVES: To describe the surgical technique and report short-term outcome for combined tibial plateau levelling osteotomy and tibial tuberosity transposition (TPLO-TTT) as an option in the treatment of cranial cruciate ligament insufficiency with concomitant medial patellar luxation. METHODS: Medical records were reviewed (2011-2013) of dogs that underwent a standard tibial plateau levelling osteotomy followed by a tibial tuberosity transposition in the frontal plane and stabilized with pin and tension-band wire fixation as a component of surgical treatment for combined cranial cruciate ligament insufficiency and medial patellar luxation...
October 14, 2016: Veterinary and Comparative Orthopaedics and Traumatology: V.C.O.T
https://www.readbyqxmd.com/read/27739555/evaluation-of-the-relationship-of-tibiofemoral-kinematics-before-and-after-total-knee-replacement-in-an-in-vitro-model-of-cranial-cruciate-deficiency-in-the-dog
#17
Rebecca N Howie, Timothy L Foutz, Curtis C Cathcart, Jeff S Burmeister, Steve C Budsberg
OBJECTIVE: To investigate the relationship between tibiofemoral kinematics before and after total knee replacement (TKR) in vitro. ANIMALS: Eight canine hemipelves. METHODS: A modified Oxford Knee Rig was used to place cadaveric limbs through a range of passive motion allowing the kinematics of the stifle to be evaluated. Four measurements were performed: a control stage, followed by a cranial cruciate transection stage, then following TKR with the musculature intact stage, and finally TKR with removal of limb musculature stage...
October 14, 2016: Veterinary and Comparative Orthopaedics and Traumatology: V.C.O.T
https://www.readbyqxmd.com/read/27739554/clinical-radiographic-and-magnetic-resonance-imaging-findings-of-gastrocnemius-musculotendinopathy-in-various-dog-breeds
#18
Susanne M Kaiser, Oliver Harms, Martin Konar, Anne Staudacher, Anna Langer, Cetina Thiel, Martin Kramer, Sebastian Schaub, Kerstin H von Pückler
OBJECTIVES: To describe clinical, radiographic, and magnetic resonance imaging (MRI) findings in 16 dogs diagnosed with gastrocnemius musculotendinopathy. METHODS: Retrospective evaluation of medical records, radiographs, and MRI results, as well as follow-up completed by telephone questionnaire. RESULTS: Most dogs had chronic hindlimb lameness with no history of trauma or athletic activities. Clinical examination revealed signs of pain on palpation without stifle joint instability...
October 14, 2016: Veterinary and Comparative Orthopaedics and Traumatology: V.C.O.T
https://www.readbyqxmd.com/read/27709224/the-effect-of-intramedullary-pin-size-and-plate-working-length-on-plate-strain-in-locking-compression-plate-rod-constructs-under-axial-load
#19
Tim Pearson, Mark R Glyde, Robert E Day, Giselle L Hosgood
OBJECTIVE: To investigate the effect of intramedullary pin size and plate working length on plate strain in locking compression plate-rod constructs. METHODS: A synthetic bone model with a 40 mm fracture gap was used. Locking compression plates with monocortical locking screws were tested with no pin (LCP-Mono) and intramedullary pins of 20% (LCPR-20), 30% (LCPR-30) and 40% (LCPR-40) of intramedullary diameter. Two screws per fragment modelled a long (8-hole) and short (4-hole) plate working length...
October 6, 2016: Veterinary and Comparative Orthopaedics and Traumatology: V.C.O.T
https://www.readbyqxmd.com/read/27709223/tibial-plateau-levelling-osteotomy-in-eleven-cats-with-cranial-cruciate-ligament-rupture
#20
Julia K Mindner, Malgorzata J Bielecki, Stefan Scharvogel, Diane Meiler
OBJECTIVE: To report the surgical procedure, intra- and postoperative complications, and short-term follow-up of tibial plateau levelling osteotomy (TPLO) in feline patients with cranial cruciate ligament (CrCL) rupture using a 2.0 or 2.4 mm Synthes(®) TPLO plate. STUDY DESIGN: Prospective study. MATERIAL AND METHODS: Eleven cats with a CrCL rupture were included in the study. Inspection of intra-articular structures was carried out via arthroscopy or arthrotomy...
October 6, 2016: Veterinary and Comparative Orthopaedics and Traumatology: V.C.O.T
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