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

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https://www.readbyqxmd.com/read/29723878/biomechanical-comparison-between-preloaded-position-screw-and-lag-screw-fixations-for-their-compressive-effects-in-a-porcine-rib-fracture-model
#1
Ya-Pei Chang, Chi-Yuan Ho, Chao-Chang Chen, Lih-Seng Yeh
OBJECTIVES:  The aim of this study was to compare the compressive effect between preloaded position screws and lag screws in fracture fixation. METHODS:  Pairs of semi-cylindrical bone fragments were created on a porcine rib model to simulate fractured bones. The compressive forces of fracture fixation generated by preloaded position screws (P group) and conventional lag screws (L group) were recorded by a film stress sensor. In the P group, a pair of Angus bone holding forceps was used to compress the interfragmentary interface until reaching the preloading force of 1...
May 3, 2018: Veterinary and Comparative Orthopaedics and Traumatology: V.C.O.T
https://www.readbyqxmd.com/read/29723877/effect-of-bipolar-radiofrequency-energy-on-canine-stifle-joint-fluid-temperature
#2
Koji Aoki, Cheryl L Waldner, Suresh Sathya, Cindy Shmon
OBJECTIVE:  The aim of this study was to evaluate the effect of bipolar radiofrequency (RF) energy on canine stifle joint fluid temperature. MATERIALS AND METHODS:  A standard stifle arthroscopy was performed on 15 canine large breed cadaveric stifle joints. A bipolar RF (VAPR III, 2.3-mm side effect electrode; Depuy Mitek, Raynham, Massachusetts, United States) unit was activated in the joint (1) with or without direct tissue contact, (2) with or without additional 18-gauge needle outflow and (3) for 15 and 30 seconds...
May 3, 2018: Veterinary and Comparative Orthopaedics and Traumatology: V.C.O.T
https://www.readbyqxmd.com/read/29723876/welcome-bienvenida-herzlich-willkommen-benvenuto-bien-venue-to-the-vth-wvoc-in-barcelona
#3
Peter Böttcher
No abstract text is available yet for this article.
May 3, 2018: Veterinary and Comparative Orthopaedics and Traumatology: V.C.O.T
https://www.readbyqxmd.com/read/29684921/clinical-efficacy-of-bone-reconstruction-surgery-with-frozen-cortical-bone-allografts-for-nonunion-of-radial-and-ulnar-fractures-in-toy-breed-dogs
#4
Shuntaro Munakata, Yukari Nagahiro, Daichi Katori, Norihiro Muroi, Hiroyuki Akagi, Nobuo Kanno, Yasuji Harada, Shinya Yamaguchi, Kei Hayashi, Yasushi Hara
OBJECTIVE:  To evaluate the effectiveness of frozen cortical bone allografts (FCBA) in the treatment of severe radial and ulnar atrophic nonunion fractures. ANIMALS:  Toy breed dogs with nonunion of radial and ulnar fractures ( n  = 15). METHODS:  Severe atrophic nonunion fractures were treated with FCBA (eight infected and seven non-infected fractures). Radiographs obtained immediately after surgery, and 1, 2, 3, 6 and 12 months later were evaluated and scored for the periosteal reaction at the bone regeneration sites, the healing process in the bone connection areas at both the proximal and distal sites, and the bone remodelling process within the allografts...
April 23, 2018: Veterinary and Comparative Orthopaedics and Traumatology: V.C.O.T
https://www.readbyqxmd.com/read/29684920/comparison-between-hemilaminectomy-with-either-anulectomy-or-partial-discectomy-for-treatment-of-thoracolumbar-intervertebral-disc-protrusion-in-dogs
#5
Abbe H Crawford, Steven De Decker
OBJECTIVES:  The aim of this study was to compare the clinical outcome of dogs undergoing a hemilaminectomy with anulectomy (HA) or a hemilaminectomy with partial discectomy (HPD) for treatment of thoracolumbar intervertebral disc protrusion. METHODS:  Medical records from 2006 to 2015 were retrospectively reviewed. Dogs were included if they had clinical signs and imaging findings consistent with thoracolumbar intervertebral disc protrusion and had undergone surgical treatment with a HA or HPD...
April 23, 2018: Veterinary and Comparative Orthopaedics and Traumatology: V.C.O.T
https://www.readbyqxmd.com/read/29684919/clinical-outcomes-and-complications-after-open-reduction-and-internal-fixation-utilizing-conventional-plates-in-65-distal-radial-and-ulnar-fractures-of-miniature-and-toy-breed-dogs
#6
Takeshi Aikawa, Yuta Miyazaki, Taichi Shimatsu, Kyoko Iizuka, Masaaki Nishimura
OBJECTIVE:  This article aims to evaluate clinical outcomes and complications of distal radial and ulnar fractures in miniature- and toy-breed dogs treated with conventional bone plate fixation. METHODS:  Medical records (2001-2010) of miniature- and toy-breed dogs with distal radial and ulnar fractures repaired with open reduction and internal fixation utilizing conventional plates were reviewed. The inclusion criteria were body weight of <7 kg, fracture located in the distal antebrachium (distal-to-total radial length ratio < 0...
April 23, 2018: Veterinary and Comparative Orthopaedics and Traumatology: V.C.O.T
https://www.readbyqxmd.com/read/29679952/injuries-to-cyclists-due-to-a-dog-bicycle-interaction
#7
Randall T Loder, Alan P Yaacoub
BACKGROUND:  Both dogs and bicycles are common in our society and thus a dog-bicycle interaction resulting in an injury to a cyclist is possible. It was the purpose of this study to investigate such injuries. METHODS:  The National Electronic Injury Surveillance System (NEISS) data for the 10-year period from 2006 through 2015 associated with bicycles were accessed. Injuries involving dogs were identified and the mechanism of injury determined. Due to the stratified and weighted nature of the NEISS data, statistical analyses were performed with SUDAAN 10 software (RTI International, Research Triangle Park, North Carolina, United States)...
April 21, 2018: Veterinary and Comparative Orthopaedics and Traumatology: V.C.O.T
https://www.readbyqxmd.com/read/29679951/surgical-site-infection-rate-after-hemilaminectomy-and-laminectomy-in-dogs-without-perioperative-antibiotic-therapy
#8
Barbara A R Dyall, Hugo G Schmökel
OBJECTIVE:  The aim of this study was to retrospectively review the surgical site infection (SSI) rate in dogs undergoing laminectomies without perioperative antibiotics, and compare those data with the expected infection rate for clean surgical wounds in dogs undergoing similar procedures. METHODS:  This was a retrospective single-centre study composed of dogs that underwent hemilaminectomies or laminectomies for thoracolumbar disc herniation or lumbosacral disease during a 2-year period (during 2015 and 2016)...
April 21, 2018: Veterinary and Comparative Orthopaedics and Traumatology: V.C.O.T
https://www.readbyqxmd.com/read/29679950/morbidity-and-mortality-following-total-hip-replacement-in-dogs
#9
William D Liska, Sarah K Israel
OBJECTIVE:  The objective of this study was to determine morbidity and mortality rates in dogs that had undergone a total hip replacement surgery with implantation of either a cemented or a cementless prosthesis (BioMedtrix LLC, Whippany, NJ). METHODS:  The survival time after surgery, the date of death and the cause of death were collated from an ongoing registry maintained on consecutive total hip replacement procedures by a single surgeon. RESULTS:  A review of the 1,864 dogs entered in the total hip replacement registry revealed 642 in which the date of death and cause of death were known...
April 21, 2018: Veterinary and Comparative Orthopaedics and Traumatology: V.C.O.T
https://www.readbyqxmd.com/read/29660738/evaluating-stiffness-of-fibreglass-and-thermoplastic-splint-materials-and-inter-fragmentary-motion-in-a-canine-tibial-fracture-model
#10
Amanda L Wagoner, Matthew J Allen, Claudia Zindl, Alan Litsky, Robert Orsher, Ron Ben-Amotz
OBJECTIVES:  Various materials are used to construct splints for mid-diaphyseal tibial fracture stabilization. The objective of this study was to compare construct stiffness and inter-fragmentary bone motion when fibreglass (FG) or thermoplastic (TP) splints are applied to either the lateral or cranial aspect of the tibia in a mid-diaphyseal fracture model. METHODS:  A coaptation bandage was applied to eight cadaveric canine pelvic limbs, with a custom-formed splint made of either FG or TP material applied to either the lateral or cranial aspect of the osteotomized tibia...
April 16, 2018: Veterinary and Comparative Orthopaedics and Traumatology: V.C.O.T
https://www.readbyqxmd.com/read/29660737/treatment-of-a-paediatric-distal-femoral-malunion-deformity
#11
Greta S Pavarotti, Randy J Boudrieau
OBJECTIVE:  The aim of this article was to describe the surgical re-alignment technique and stabilization of a distal femoral deformity in a 6-week-old, male, Foxhound. METHODS:  A healing metaphyseal fracture, resulting in a valgus deformity with internal rotation, was observed just proximal to the distal femoral physis. The deformity was treated by an opening wedge osteotomy with lateral translation and external rotation of the distal epiphysis using a guide-wire technique; a corticocancellous allograft bridged the defect, which was stabilized with a 2...
April 16, 2018: Veterinary and Comparative Orthopaedics and Traumatology: V.C.O.T
https://www.readbyqxmd.com/read/29534284/displacement-of-an-ununited-medial-humeral-condylar-ossification-centre-in-the-cat
#12
Andy Morris, Kerstin Erles, Thomas W Maddox
A 2-year-old cat was presented with the complaint of acute-onset non-weight-bearing lameness of the right forelimb. When examined, the cat was of short stature and had multiple joint and cartilaginous abnormalities suggestive of chondrodysplasia. The cause of the acute lameness was radiographically identified as a displaced osseous fragment from the medial portion of the right humeral condyle. The features of the osseous fragment were consistent with an ununited medial condylar ossification centre of the distal humerus...
February 2018: Veterinary and Comparative Orthopaedics and Traumatology: V.C.O.T
https://www.readbyqxmd.com/read/29534283/treatment-of-osteochondrosis-dissecans-of-the-canine-stifle-using-synthetic-osteochondral-resurfacing
#13
Pádraig Egan, Susan Murphy, Jelena Jovanovik, Russell Tucker, Noel Fitzpatrick
OBJECTIVE:  This article aimed to describe the use and evolution of a synthetic osteochondral resurfacing (SOR) implant in the treatment of osteochondrosis dissecans (OCD) of the femoral condyle and to report the clinical, radiographic, computed tomography and magnetic resonance imaging outcomes of this technique. METHODS:  Medical records of dogs that were treated with first-generation (G1) and second-generation (G2) SOR at a single institute were reviewed...
February 2018: Veterinary and Comparative Orthopaedics and Traumatology: V.C.O.T
https://www.readbyqxmd.com/read/29534282/postoperative-complications-associated-with-external-skeletal-fixators-in-dogs
#14
Lee James Beever, Kirsty Giles, Richard Lawrence Meeson
OBJECTIVES:  To quantify and evaluate risks of complications attributable to external skeletal fixator (ESF) usage in dogs. METHODS:  A retrospective review of medical records following ESF placement. RESULTS:  Case records of 97 dogs were reviewed; fixator-associated complications occurred in 79/97 dogs. Region of ESF placement was significantly associated with complication development ( p  = 0.005), not complication type ( p  = 0...
February 2018: Veterinary and Comparative Orthopaedics and Traumatology: V.C.O.T
https://www.readbyqxmd.com/read/29534281/the-effect-of-tibial-plateau-levelling-osteotomy-on-stifle-extensor-mechanism-load-a-canine-ex-vivo-study
#15
Jarrod O Drew, Mark R Glyde, Giselle L Hosgood, Alex J Hayes
OBJECTIVE:  To evaluate the effect of tibial plateau levelling osteotomy on stifle extensor mechanism load in an ex vivo cruciate-intact canine cadaveric model. STUDY DESIGN:   Ex vivo mechanical testing study. ANIMALS:  Cadaveric canine pelvic limbs ( n  = 6). MATERIALS AND METHODS:  A 21-mm tibial radial osteotomy was performed on pelvic limbs ( n  = 6) prior to being mounted into a load-bearing limb press...
February 2018: Veterinary and Comparative Orthopaedics and Traumatology: V.C.O.T
https://www.readbyqxmd.com/read/29534280/combined-tibial-plateau-levelling-osteotomy-and-tibial-tuberosity-transposition-an-ex-vivo-mechanical-study
#16
Ryan R Birks, Michael P Kowaleski
OBJECTIVES:  The purpose of this study is to compare the load at failure and mode of failure between (1) tibial plateau levelling osteotomy (TPLO) and combined TPLO and tibial tuberosity transposition (TPLO-TTT) (Phase I) and (2) TPLO-TTT and tibial tuberosity transposition (TTT) (Phase II). METHODS:  Seven pairs of cadaveric tibiae were tested in each of the Phase I (TPLO vs. TPLO-TTT) and Phase II (TPLO-TTT vs. TTT) experiments. One limb of each pair was randomly assigned to one of two groups for each experimental phase...
February 2018: Veterinary and Comparative Orthopaedics and Traumatology: V.C.O.T
https://www.readbyqxmd.com/read/29534279/a-comparison-of-angular-values-of-the-pelvic-limb-with-normal-and-medial-patellar-luxation-stifles-in-chihuahua-dogs-using-radiography-and-computed-tomography
#17
Thitaporn Phetkaew, Marissak Kalpravidh, Rampaipat Penchome, Chalika Wangdee
OBJECTIVE:  This article aimed to determine and compare the angular values of the pelvic limb in normal and medial patellar luxation (MPL) stifles in Chihuahuas using radiography and computed tomographic (CT) scan, to identify the relationship between pelvic limb angles and severity of MPL. In addition, radiographic and CT images were compared to determine the more suitable method of limb deformity assessment. METHODS:  Sixty hindlimbs of Chihuahuas were divided into normal and grade 1, 2, 3 and 4 MPL groups...
February 2018: Veterinary and Comparative Orthopaedics and Traumatology: V.C.O.T
https://www.readbyqxmd.com/read/29534278/magnetic-resonance-imaging-t2-values-of-stifle-articular-cartilage-in-normal-beagles
#18
Sarah L Pownder, Kei Hayashi, Brian G Caserto, Mary Lou Norman, Hollis G Potter, Matthew F Koff
OBJECTIVES:  The purpose of this study was to evaluate regional differences of canine stifle articular cartilage using the quantitative magnetic resonance imaging (MRI) technique of T2 mapping. METHODS:  Fourteen stifle joints from seven juvenile male Beagle dogs with no evidence or prior history of pelvic limb lameness were imaged ex vivo using standard of care fast spin echo MRI and quantitative T2 mapping protocols. Regions of interest were compared between the femoral, patellar and tibial cartilages, as well as between the lateral and medial femorotibial compartments...
February 2018: Veterinary and Comparative Orthopaedics and Traumatology: V.C.O.T
https://www.readbyqxmd.com/read/29534277/accuracy-of-femoral-head-and-neck-excision-via-a-craniolateral-approach-or-a-ventral-approach
#19
Callie L Blackford Winders, William L Vaughn, Kate E Birdwhistell, Ian G Holsworth, Samuel P Franklin
OBJECTIVES:  This study aimed to compare the completeness of femoral head and neck removal via a craniolateral approach or a ventral approach when femoral head and neck excision (FHNE) is performed by a novice veterinarian. METHODS:  FHNE was performed on both femurs of 10 canine cadavers with each femur randomized by a coin toss to FHNE via the craniolateral or ventral approach. Computed tomography (CT) of the femurs was performed prior to and following FHNE...
February 2018: Veterinary and Comparative Orthopaedics and Traumatology: V.C.O.T
https://www.readbyqxmd.com/read/29534276/canine-vertebral-screw-and-rod-fixation-system-design-and-mechanical-testing
#20
Pakthorn Lewchalermwong, Nirut Suwanna, Björn P Meij
OBJECTIVES:  To develop the canine vertebral screw and rod fixation system (CVSRF) and to compare the biomechanical properties between CVSRF and the screw and polymethylmethacrylate (Screw-PMMA) technique for internal fixation of the vertebral column in dogs. METHODS:  The CVSRF consisted of vertebral screws with monoaxial side-loaded head, rods and specific inner screws connecting rod to the screw head. The CVSRF prototype was made from titanium alloy and manufactured by the rapid prototype machine...
February 2018: Veterinary and Comparative Orthopaedics and Traumatology: V.C.O.T
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