Veterinary and Comparative Orthopaedics and Traumatology最新文献

{"title":"In Silico Analysis of Stress Distribution in Proximal Interphalangeal Joint Arthrodesis in Horses Using a Locking Compression Plate.","authors":"Anderson Fernando de Souza, César Augusto Martins Pereira, Ivan Onone Gialain, Josete Barbosa Cruz Meira, Rafael Yague Ballester, André Luis do Valle De Zoppa","doi":"10.1055/a-2655-0004","DOIUrl":"10.1055/a-2655-0004","url":null,"abstract":"<p><p>This study aimed to compare the stress distribution in proximal interphalangeal joint arthrodesis with locking compression plate in horses based on the type and method of screw implantation in the proximal hole and partial or total removal of implants after fusion.Finite element analysis.Proximal interphalangeal joint arthrodesis was simulated using a 3-hole, 4.5-mm narrow locking compression plate combined with two 5.5-mm transarticular screws. Models were created according to the type (cortex or locking) and method of implantation (uni- or bicortical) of the screw in the proximal hole of the locking compression plate. Four conditions were simulated: Immediate postoperative, ankylosis, ankylosis with partial removal (transarticular screws remaining) and ankylosis with no implants. An axial load of 8,700 N was applied, and the major principal stresses in the bones and von Mises stress in the implants were evaluated.Cortical screws in the proximal hole better distributed the stresses, reducing their concentration along the diaphysis of the proximal phalanx in the postoperative condition. Stress distribution did not differ between partial and total implant removal. High stresses were observed in the implants, especially when locking screws were used, with a reduction observed after ankylosis simulation.A cortex screw in the proximal hole reduces stress concentration in the proximal phalanx. Retaining the transarticular screws after ankylosis did not alter the stress pattern in the bone.</p>","PeriodicalId":51204,"journal":{"name":"Veterinary and Comparative Orthopaedics and Traumatology","volume":" ","pages":"107-116"},"PeriodicalIF":1.1,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144735166","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Feasibility and Accuracy of Pedicle Screws in the Feline Thoracolumbar Spine.","authors":"Matteo Rigo, Filippo Cinti, Marika Menchetti, Laura Ventura, Andrea Pratesi","doi":"10.1055/a-2653-2592","DOIUrl":"10.1055/a-2653-2592","url":null,"abstract":"<p><p>To evaluate the feasibility and accuracy of vertebral pedicle screws in cats using a custom 3D-printed drill guide and 3D-printed vertebral columns.To simulate the surgical procedure, six vertebral columns from adult cats were 3D-printed. The columns were printed with a radiolucent material (PLA enriched with calcium carbonate-PLA+). One 3D-printed guide was created for each vertebra (from T10 to L7). Each preplanned hole was drilled and filled with a graphite cylinder for better visualization of the tunnel. All the phantoms were CT-scanned after the drilling operation. Each hole was graded using a modified classification scheme (grades 0 to 3) and compared to the planned tunnel angle. We enrolled one 5-year-old female patient with spinal trauma requiring vertebral stabilization presented at our hospital.A total of 126 holes were drilled. The overall mean screw deviation angle was 0.61 degrees (SD = 0.72). In safety evaluation, 117 (93%) screws were contained in the pedicle (grade 0), 7 screws (5.5%) were outside the pedicle by less than 0.5 mm (grade 1), and 2 (1.5%) screws were between 0.5 and 1 mm outside the pedicle. In the thoracic segment, all the holes (48/48) were classified as a grade 0, while in the lumbar segment, with a total of 78 holes drilled, there were 69 holes classified as grade 0 (88%), 7 holes classified as grade 1 (8.9%), and 2 holes classified as grade 2 (2.5%). The feline patient had suffered a T12 complete oblique vertebral body fracture. A total of six 1.7 mm screws, 20 mm long, (Fix-In, INTRAUMA) were placed: three in T12 and three in T13.Overall, there was a mean deviation of the hole angle from the planned angle of 0.61 degrees. The overall safety was 91.2% (screws graded as 0). A statistically significant association between screw grades and vertebral segment was found (<i>p</i>-value 0.02) as all the thoracic vertebrae are grade 0, while grade 1 and grade 2 were found only in the lumbar segment. Using pedicle screws in cats' vertebrae may reduce surgical trauma, as it requires exposure of only the most dorsal portion of the vertebral lamina, avoiding the need to expose the costal attachments. Also, placing cement dorsally is easier and can incorporate screw heads bilaterally. We effectively and safely performed the surgical procedure in one clinical case. Based on our results, the use of pedicle screws, previously applied in canine patients, could also be extended to feline patients, provided that 3D-printed guides are used to ensure accurate placement.</p>","PeriodicalId":51204,"journal":{"name":"Veterinary and Comparative Orthopaedics and Traumatology","volume":" ","pages":"81-88"},"PeriodicalIF":1.1,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144692294","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Second Victim Syndrome: Recognising the Impact of Complications on the Well-Being of Veterinary Surgeons.","authors":"Toby Gemmill","doi":"10.1055/a-2773-4735","DOIUrl":"https://doi.org/10.1055/a-2773-4735","url":null,"abstract":"","PeriodicalId":51204,"journal":{"name":"Veterinary and Comparative Orthopaedics and Traumatology","volume":"39 2","pages":"iii-iv"},"PeriodicalIF":1.1,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147370658","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"In Vitro Evaluation of a Device to Assess Acetabular Cup Position by Sagittal Plane Radiography.","authors":"W Michael Karlin, Ross Lirtzman, Michael P Kowaleski","doi":"10.1055/a-2651-6297","DOIUrl":"10.1055/a-2651-6297","url":null,"abstract":"<p><p>The purpose of this study was to compare the calculated angle of lateral opening (ALO) and open-face version obtained using an acetabular cup position assessment device (CPAD) to the known ALO and open-face version of an acetabular component. The null hypothesis was that there would be no significant differences between the ALO and open-face versions using the CPAD compared with the known values.Radiographic images simulating a sagittal plane pelvis were obtained with a BFX™ acetabular component containing a CPAD mounted on a plexiglass jig with a dual-plane inclinometer. Images were obtained at an open-face version of 0 degrees with ALO at 30, 40, 45, 50, and 60 degrees, repeated in triplicate, and were randomized. Measurements of the CPAD bars were used to calculate the open-face version, and ALO measurements were compared using a paired <i>t</i>-test with a <i>p</i>-value set at <i>p</i> < 0.05. Agreement was assessed with a Lin's Concordance Correlation Coefficient.The calculated ALO was not significantly different from the known ALO (<i>p</i> = 0.608) and showed near-perfect correlation of the ALO with a Lin's Concordance Correlation Coefficient (<i>R</i> _c value) of 0.994. The calculated open-face version was significantly different from the known version.The results demonstrate that the CPAD is an accurate method to determine ALO in a simulated sagittal plane pelvis radiographic view.</p>","PeriodicalId":51204,"journal":{"name":"Veterinary and Comparative Orthopaedics and Traumatology","volume":" ","pages":"75-80"},"PeriodicalIF":1.1,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144692295","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Effect of Fluorescence Biomodulation on Dermal Healing in an Equine Experimental In Vivo Wound Model.","authors":"Avery Loyd, Rachel Neto, Fred Caldwell, Lindsey Boone, Amelia White","doi":"10.1055/a-2655-9312","DOIUrl":"10.1055/a-2655-9312","url":null,"abstract":"<p><p>This study aimed to determine the safety and macroscopic/microscopic effects of fluorescence biomodulation (FBM) on experimentally induced, full-thickness, distal limb wounds in horses.This was an <i>in vivo</i> experimental study (<i>n</i> = 6 horses). Two full-thickness wounds were created on both dorsal metacarpi of six adult horses. Each forelimb was randomly allocated to either control (no FBM) or treatment (FBM) and randomly allocated to visual or histological assessment of healing. Wounds were treated within each experimental group every 7 days for four treatments. Fluorescence biomodulation wounds were treated twice per treatment period. Control wounds had no FBM treatment. Wounds were visually assessed for granulation tissue grading and photographed for wound surface area calculation, on days 3, 10, 17, 24 and 31. The skin from wound creation on day 0 was used for histology baseline. The wounds were then punch-biopsied on days 10, 17, 24 and 31. Data were analysed using linear mixed model analyses.Differences between control and treatment were not observed for any time point for wound surface area (<i>p</i> = 0.755), composite wound scores (<i>p</i> = 0.593), or histological assessment (<i>p</i> = 0.378). One horse produced exuberant granulation tissue in all wounds requiring debridement at study completion.Fluorescence biomodulation did not improve nor impair healing in an equine experimental <i>in vivo</i> distal limb wound model. Treatment effects may not have been observed due to small sample size, outcome variables measured or species differences. Further studies are needed.</p>","PeriodicalId":51204,"journal":{"name":"Veterinary and Comparative Orthopaedics and Traumatology","volume":" ","pages":"117-125"},"PeriodicalIF":1.1,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144977803","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Incidence of Bandage-Associated Complications in Cats following Clean Orthopaedic Procedures: A Retrospective Study of 152 Cases.","authors":"Debbie Clayton, Sorcha Costello, Melanie Olive, Andrew S Levien, QiCai Jason Hoon, Jun R Loh, Alen Lai, King Mac, Evelyn Hall, Rachel M Basa","doi":"10.1055/a-2655-9218","DOIUrl":"10.1055/a-2655-9218","url":null,"abstract":"<p><p>To report the incidence of bandage-associated complications in cats following clean orthopaedic injury.Multi-institutional retrospective case series of 152 client-owned cats. Medical records were searched for cats that had a bandage placed after a clean orthopaedic injury. Data collected included: signalment, diagnosis, anatomical region, orthopaedic procedure, professional role of the person applying the bandage (specialist/resident/nurse), bandage duration, complications, and outcomes.A total of 152 cats had bandages placed after clean orthopaedic injuries. Complications were reported in 104 cats (68.4%). Bandage-related complications were mild in 64.4% cases, moderate in 32.7% cases, and severe 2.9% of cases. If a cat had a splint placed, it was 3.4 times more likely to have a more severe complication compared with a cat which did not require a splint.Bandage complications occur frequently in cats, and the use of splints was a significant predictor of increased complication severity. Clinicians should be particularly vigilant when bandaging limbs in cats, as complications secondary to bandaging occur frequently. These findings underscore the importance of appropriate case selection for bandage application and monitoring strategies to minimize the risk of complications.</p>","PeriodicalId":51204,"journal":{"name":"Veterinary and Comparative Orthopaedics and Traumatology","volume":" ","pages":"126-132"},"PeriodicalIF":1.1,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144762249","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Feasibility of Integrating Locking Plate System into Additively Manufactured Implants: A Mechanical Comparison of Three-Dimensional-Printed and Machined Locking Hole Threads.","authors":"Kyu-Won Kang, Sunyoung Kim, Byung-Jae Kang","doi":"10.1055/a-2654-8833","DOIUrl":"10.1055/a-2654-8833","url":null,"abstract":"<p><p>This study integrated a locking plate system into three-dimensional (3D)-printed implants and evaluated whether directly 3D-printed locking plate holes could achieve mechanical performance comparable to their machined counterpart. <i>In vitro</i> mechanical tests were performed to compare a 3D-printed 3.5-mm locking plate system with a commercially available variable-angle locking system (ARIX). Locking plate specimens (<i>n</i> = 90) were 3D printed from Ti6Al4V in three build orientations (0, 45 and 90 degrees). A torque limit test assessed the failure points under three screw insertion torques (0.6, 1.1 and 2.0 Nm) at two angles (0 and 15 degrees). The locked screw-and-plate constructs then underwent push-out testing, with a load applied parallel to the screw axis.At 2.0 Nm, all 3D-printed specimens failed due to thread deformation, whereas the ARIX system remained intact. Specimens printed at 0-degree orientation had the highest push-out strength, comparable to ARIX plates, while those printed at 90 degrees showed significantly lower strength. A higher insertion torque (1.1 Nm) improved the push-out strength regardless of screw angulation. Low torque with angled screws led to a substantial reduction in push-out strength.The directly 3D-printed locking plate system achieved a comparable mechanical performance to machined counterparts when printed at 0-degree orientation, with appropriate torque. Optimal build orientation and careful control of insertion torque are crucial for maximizing the performance of 3D-printed locking plates.</p>","PeriodicalId":51204,"journal":{"name":"Veterinary and Comparative Orthopaedics and Traumatology","volume":" ","pages":"99-106"},"PeriodicalIF":1.1,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144700314","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Temporary Transarticular Immobilization of the Stifle Joint Using a Locking Plate.","authors":"Ida Forzisi, Alessio Raschi, Aldo Vezzoni, Luca Vezzoni","doi":"10.1055/a-2577-1520","DOIUrl":"10.1055/a-2577-1520","url":null,"abstract":"<p><p>Our study aims to describe the surgical technique for temporary transarticular immobilization of the stifle joint using a locking plate and evaluate complications and outcomes.The medical records of dogs and cats that underwent transarticular immobilization of the stifle joint using a locking plate in two institutions from August 2018 to January 2024 were retrospectively evaluated.After managing the primary injury, a locking plate was contoured to fit the medial surface of the distal femur and proximal tibia, limiting the implant to the distal third of the femur and proximal third of the tibia, with immobilization at a 135 to 145-degree angle.Temporary transarticular immobilization of the stifle joint was performed in 16 stifle joints in 14 patients, with two dogs undergoing bilateral surgery. The transarticular implants were removed at a mean time of 55,86 ± 18,05 days postoperatively (median: 58, range: 27-96 days). No intraoperative complications were recorded. One major complication was recorded in a Galgo Espanol with a patellar fracture and patellar ligament lesion in which plate breakage was recorded 19 days after surgery, requiring early plate removal and application of an orthosis for 3 weeks. Four minor complications were recorded.Preliminary results suggest that a transarticular locking plate is effective for temporary stifle immobilization, with a low morbidity and complication rate. Dedicated implants should be developed to decrease the risk of plate failure.</p>","PeriodicalId":51204,"journal":{"name":"Veterinary and Comparative Orthopaedics and Traumatology","volume":" ","pages":"141-146"},"PeriodicalIF":1.1,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144051409","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Implantation of a Canine Total Ankle Replacement Prosthesis Using a Lateral Surgical Approach is Accurate and Leads to a Stable Joint.","authors":"Michelle M Zingel, Laurent P Guiot, Denis J Marcellin-Little, Tanya C Garcia, Jennifer L Hubbard","doi":"10.1055/a-2654-8080","DOIUrl":"10.1055/a-2654-8080","url":null,"abstract":"<p><p>This study aimed to determine if canine total ankle replacement (cTAR) can be performed using a lateral surgical approach by comparing implant orientation, limb orientation and tarsocrural stability after implantation using a lateral or medial approach.Ten cadaveric limbs from five large-breed dogs were implanted with a cTAR prosthesis using a medial or a lateral approach. Caudocranial and mediolateral radiographs were obtained. Joint orientation, limb orientation, angular tarsocrural stability (varus and valgus laxity) and rotational tarsocrural stability (internal and external rotational laxity) were measured before and after implantation and compared. Polar gaps around cTAR components were measured.Before implantation, mean valgus laxity was 1.8 degrees larger in limbs which were implanted with a cTAR prosthesis using a lateral approach than in limbs implanted using a medial approach. After a lateral approach, mean valgus laxity was 4.4 degrees larger (7.2 degrees) than before (2.8 degrees), and mean external rotational laxity was 5.4 degrees larger (10.7 degrees) than before (5.3 degrees). After a medial approach, mean external rotational laxity was 6.7 degrees larger (11.6 degrees) than before (4.9 degrees). The mean angular laxity was 6.0 degrees larger after a lateral approach (15.5 degrees) than a medial approach (9.5 degrees). Significant differences among other measurements collected after a lateral or medial approach were not identified.A cTAR prosthesis can be implanted using a lateral approach and result in a properly oriented tarsocrural joint that is rotationally stable and has slight angular laxity.</p>","PeriodicalId":51204,"journal":{"name":"Veterinary and Comparative Orthopaedics and Traumatology","volume":" ","pages":"89-98"},"PeriodicalIF":1.1,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12965791/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144735165","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Canine Haemophilic Arthropathy: Magnetic Resonance Imaging and Histologic Assessment of Joints in Two Adult Beagles with Confirmed Factor Deficiencies.","authors":"Sarah L Pownder, Brian G Caserto, Marjory B Brooks, Kei Hayashi","doi":"10.1055/a-2654-8450","DOIUrl":"10.1055/a-2654-8450","url":null,"abstract":"<p><p>Two adult female Beagle dogs, one case each of hereditary Factor VII deficiency and Factor IX deficiency, were evaluated <i>post-mortem</i> for joint pathology associated with haemophilic arthropathy (HA) using magnetic resonance imaging and histology. Cadaveric magnetic resonance imaging and histologic findings demonstrated severe HA for the Factor IX deficiency dog, with only mild abnormalities for the Factor VII deficiency dog. Signs of HA were similar to humans, including cartilage degeneration, subchondral cysts, peripheral erosions, neovascularization, synovial inflammation and hyperplasia, hemosiderin deposition, haematoma and osteoporosis. Magnetic resonance imaging examination can be used to help identify features of HA in dogs that have experienced repeated joint bleeds.</p>","PeriodicalId":51204,"journal":{"name":"Veterinary and Comparative Orthopaedics and Traumatology","volume":" ","pages":"147-154"},"PeriodicalIF":1.1,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144735164","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}