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Tibial plateau

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https://www.readbyqxmd.com/read/28636056/comparison-of-complications-following-tibial-tuberosity-advancement-and-tibial-plateau-levelling-osteotomy-in-very-large-and-giant-dogs-50-kg-or-more-in-body-weight
#1
Eric C Hans, Matthew D Barnhart, Shawn C Kennedy, Steven J Naber
OBJECTIVES: To analyse and compare major complications in dogs ≥50 kg undergoing tibial tuberosity advancement (TTA) or tibial plateau levelling osteotomy (TPLO) for treatment of cranial cruciate ligament disease. METHODS: Medical records and radiographs of client-owned dogs (≥50 kg) treated for cranial cruciate ligament disease with either TTA or TPLO between January 2011 and November 2015 were reviewed. Ninety-one TTA cases and 54 TPLO cases met the study inclusion criteria...
June 21, 2017: Veterinary and Comparative Orthopaedics and Traumatology: V.C.O.T
https://www.readbyqxmd.com/read/28634785/-imaging-and-preoperative-planning-for-osteotomies-around-the-knee
#2
REVIEW
D Pape, A Hoffmann, R Seil
Physiologic alignment of the human lower leg is well defined. The etiology for malalignment comprises constitutional, degenerative and posttraumatic conditions. Osteotomies around the knee can correct the malalignment, provided that the origin of deviation is in proximity of the knee center. Crucial factors for the evaluation of axis deviation are the weight-bearing line, the mechanical axes of femur and tibia, the joint line angles and the center of the hip, knee and upper ankle joint. Careful preoperative planning is mandatory for reproducible clinical results...
June 20, 2017: Operative Orthopädie und Traumatologie
https://www.readbyqxmd.com/read/28633149/tibial-eminence-involvement-with-tibial-plateau-fracture-predicts-slower-recovery-and-worse-postoperative-range-of-knee-motion
#3
Sanjit R Konda, Adam Driesman, Arthur Manoli, Roy I Davidovitch, Kenneth A Egol
OBJECTIVES: To examine 1-year functional and clinical outcomes in patients with tibial plateau fractures with tibial eminence involvement. DESIGN: Retrospective analysis of prospectively collected data. SETTING: Academic Medical Center. PATIENTS/PARTICIPANTS: All patients who presented with a tibial plateau fracture (Orthopaedic Trauma Association (OTA) 41-B and 41-C). INTERVENTION: Patients were divided into fractures with a tibial eminence component (+TE) and those without (-TE) cohorts...
July 2017: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/28630761/partial-proximal-tibia-fractures
#4
Michael J Raschke, Christoph Kittl, Christoph Domnick
Partial tibial plateau fractures may occur as a consequence of either valgus or varus trauma combined with a rotational and axial compression component.High-energy trauma may result in a more complex and multi-fragmented fracture pattern, which occurs predominantly in young people. Conversely, a low-energy mechanism may lead to a pure depression fracture in the older population with weaker bone density.Pre-operative classification of these fractures, by Müller AO, Schatzker or novel CT-based methods, helps to understand the fracture pattern and choose the surgical approach and treatment strategy in accordance with estimated bone mineral density and the individual history of each patient...
May 2017: EFORT open reviews
https://www.readbyqxmd.com/read/28614148/race-and-ethnicity-has-a-mixed-effect-on-the-treatment-of-tibial-plateau-fractures
#5
Adam Driesman, Siddharth A Mahure, Albit Paoli, Christian A Pean, Sanjit R Konda, Kenneth A Egol
OBJECTIVES: To determine if racial or economic disparities are associated with short term complications and outcomes in tibial plateau fracture care. DESIGN: Retrospective cohort study SETTING:: All New York State hospital admissions from 2000 to 2014, as recorded by the New York Statewide Planning and Research Cooperative System database PATIENTS/PARTICIPANTS:: Thirteen thousand five hundred eighteen inpatients with isolated tibial plateau fractures (AO/OTA 44), stratified in four groups: Caucasian, African-American, Hispanic, and Other...
May 23, 2017: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/28612542/-establishment-of-bone-metastasis-model-of-prostate-cancer-in-mice-with-monitoring-of-18-f-naf-pet-ct
#6
Qiang You, Hua-Wei Cai, Fu-Wen Pang, Zhe-Tao Wang, Yue Chen, Rong Tian, Lin Li, Li-Hong Chen
OBJECTIVES: To establish a mouse model bearing human prostate cancer xenograft with bone metastasis by the monitoring with X-Ray, Micro CT, and ¹⁸F-NaF PET/CT. METHODS: Sixteen male Balb/c nude mice were allocated into control (6 mice) and experimental group (10 mice). In experimental group, the mice were subjected to percutaneous injection of 2×10(5)PC-3 cells into tibial plateau, bone defects were assessed after 21 d by X-ray, Micro-CT and ¹⁸F-NaF PET/CT, and bone damages were evaluated by HE staining...
March 2017: Sichuan da Xue Xue Bao. Yi Xue Ban, Journal of Sichuan University. Medical Science Edition
https://www.readbyqxmd.com/read/28608727/osteoarthritis-of-the-anterior-cruciate-ligament-and-medial-tibial-plateau-a-cadaveric-study
#7
Jessica Immonen, Chris Siefring, Luke Sanders
The objective of this study was to analyze morphometric anatomy and damages with aging in cadaveric knee specimens specific to the cruciate ligaments, the articular cartilage of the tibial plateau, and the menisci. Morphometric analyses to cadaveric anatomy of the knee were performed using Image-Pro® software on 3 age populations: <70 years old, 70 to 79 years old, and ≥80 years old. An average thickness of the cruciate ligaments was assessed with 5 circumferential measurements per specimen using nylon thread...
June 1, 2017: Cartilage
https://www.readbyqxmd.com/read/28602471/primary-stability-of-tibial-plateaus-under-dynamic-compression-shear-loading-in-human-tibiae-influence-of-keel-length-cementation-area-and-tibial-stem
#8
Thomas M Grupp, Khaled J Saleh, Melanie Holderied, Andreas M Pfaff, Christoph Schilling, Christian Schroeder, William M Mihalko
The objective of our study was to evaluate the impact of the tibial keel & stem length in surface cementation, of a full cemented keel and of an additional tibial stem on the primary stability of a posterior stabilised tibial plateau (VEGA® System Aesculap Tuttlingen, Germany) under dynamic compression-shear loading conditions in human tibiae. We performed the cemented tibial plateau implantations on 24 fresh-frozen human tibiae of a mean donor age of 70.7years (range 47-97). The tibiae were divided into four groups of matched pairs based on comparable trabecular bone mineral density...
May 22, 2017: Journal of Biomechanics
https://www.readbyqxmd.com/read/28600588/-open-reduction-and-internal-fixation-of-lateral-tibial-plateau-fractures-with-free-subchondral-2-7%C3%A2-mm-screws
#9
M Reul, F Johnscher, S Nijs, H Hoekstra
OBJECTIVES: Exact reconstruction of the depressed articular surface and stable subchondral fixation of the lateral tibial plateau (ORIF, "open reduction and internal fixation"). INDICATIONS: Tibial plateau fractures with involvement of the lateral column and depression of the articular surface. CONTRAINDICATIONS: Critical soft tissue. Severe osteoporosis. SURGICAL TECHNIQUE: Supine position, classical anterolateral approach, lateral submeniscal arthrotomy, visualisation of the fracture, osteotomy of the lateral tibial condyle...
June 9, 2017: Operative Orthopädie und Traumatologie
https://www.readbyqxmd.com/read/28595814/extremity-compartment-syndrome-following-blunt-trauma-a-level-i-trauma-center-s-5-year-experience
#10
Daniel Zuchelli, Nicholas Divaris, Jane E McCormack, Emily C Huang, Neeta D Chaudhary, James A Vosswinkel, Randeep S Jawa
BACKGROUND: Extremity compartment syndrome is a recognized complication of trauma. We evaluated its prevalence and outcomes at a suburban level 1 trauma center. METHODS: The trauma registry was reviewed for all blunt trauma patients aged ≥18 years, admitted between 2010 and 2014. Chart review of patients with extremity compartment syndrome was performed. RESULTS: Of 6180 adult blunt trauma admissions, 83 patients developed 86 extremity compartment syndromes; two patients had compartment syndromes on multiple locations...
May 10, 2017: Journal of Surgical Research
https://www.readbyqxmd.com/read/28589158/three-dimensional-ct-evaluation-of-tunnel-positioning-in-acl-reconstruction-using-the-single-anteromedial-bundle-biological-augmentation-sambba-technique
#11
Florent Buscayret, Eduardo Frois Temponi, Adnan Saithna, Mathieu Thaunat, Bertrand Sonnery-Cottet
BACKGROUND: Remnant preservation may confer important advantages in the anterior cruciate ligament (ACL)-reconstructed knee. However, the presence of a large remnant may obscure visualization and impair the ability to correctly place tunnels during surgery. PURPOSE: To determine whether tunnel placement during anatomic ACL reconstruction using the single anteromedial bundle biological augmentation (SAMBBA) technique is consistent and precise when a large native remnant is preserved...
May 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28583763/measuring-clinically-relevant-endpoints-in-a-serum-free-three-dimensional-primary-cell-culture-system-of-human-osteoarthritic-articular-chondrocytes
#12
Grace Bundens, Andrea Buckley, LaBraya Milton, Kathryn Behling, Sarah Chmielewski, Ellen Cho, Xiomara Lozano-Torres, Abdulhafez Selim, Richard Lackman, Mindy George-Weinstein, Lawrence Miller, Marina D'Angelo
Osteoarthritis (OA) is characterized by degeneration of articular cartilage within the joint, inflammation and pain. The purpose of this study was to develop a primary, serum free cell culture system of human osteoarthritic articular chondrocytes (HOACs) with which to study manifestations of the disease process. Joint tissues were obtained from OA patients undergoing total knee arthroplasty (TKA). HOACs isolated from the femoral condyles and tibial plateau of the same side were combined, plated in three-dimensional, alginate beads and cultured for five days in serum, hormone and protein free medium...
June 2, 2017: Experimental Cell Research
https://www.readbyqxmd.com/read/28580257/posterior-surgical-approach-to-the-knee
#13
Scott C Faucett, James Gannon, Jorge Chahla, Marcio B Ferrari, Robert F LaPrade
Posterior knee approaches are reliable techniques to address the treatment of various pathologies of the posterior region of the knee, including Baker cyst excision, tibial plateau fracture fixation, posterior cruciate ligament avulsions and inlay reconstructions, femoral condyle cartilage procedures, posterior meniscal repair and loose body removal among others. Surgery in the posterior knee region can be challenging because of the presence of neurovascular structures including the tibial nerve, popliteal artery and vein, and common peroneal nerve; thus, it is less commonly performed...
April 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28580244/arthroscopic-technique-for-isolated-posterolateral-rotational-instability-of-the-knee
#14
Yasuo Ohnishi, Cecilia Pascual-Garrido, Hiroto Kumagae, Akinori Sakai, Soshi Uchida
Isolated posterolateral corner injury is an uncommon injury that could be a source of unexplained knee pain and dysfunction. Most of these patients present instability caused by concomitant ligament injuries. Numerous studies have shown open approach posterolateral repair or reconstruction surgeries to restore posterolateral rotational stability. Still, there is a certain population of patients who present posterolateral rotation instability without significant injury to the fibular collateral ligament, popliteal fibular ligament, and popliteus tendon...
April 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28580241/lateral-capsular-fixation-an-implant-free-technique-to-prevent-meniscal-allograft-extrusion
#15
Joan C Monllau, Maximiliano Ibañez, Angel Masferrer-Pino, Pablo E Gelber, Juan I Erquicia, Xavier Pelfort
Although several surgical techniques have been described to perform meniscal allograft transplantation with good clinical results and although different methods of capsular stabilization can be found in the literature, there is no standard surgical technique to prevent a common complication in the most of series: the tendency to a radial displacement or extrusion of the transplanted menisci. We present a simple, reproducible, and implant-free technique to perform a lateral capsular fixation (capsulodesis) at the time of only the soft-tissue fixation technique of meniscal allograft transplantation in an effort to reduce or prevent the risk of graft extrusion...
April 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28579444/three-dimensional-computed-tomography-analysis-of-the-posterior-tibial-slope-in-100-knees
#16
Jade Pei Yuik Ho, Azhar M Merican, Muhammad Sufian Hashim, Azlina A Abbas, Chee Ken Chan, Jamal A Mohamad
BACKGROUND: The posterior tibial slope (PTS) is an important consideration in knee arthroplasty. However, there is still no consensus for the optimal slope. The objectives of this study were (1) to reliably determine the native PTS in this population using 3-dimensional computed tomography scans and (2) to determine the normal reference range for PTS in this population. METHODS: One hundred computed tomography scans of disease-free knees were analyzed. A 3-dimensional reconstructed image of the tibia was generated and aligned to its anatomic axis in the coronal and sagittal planes...
May 10, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28571921/variability-in-static-alignment-and-kinematics-for-kinematically-aligned-tka
#17
Willy Theodore, Joshua Twiggs, Elizabeth Kolos, Justin Roe, Brett Fritsch, David Dickison, David Liu, Lucy Salmon, Brad Miles, Stephen Howell
BACKGROUND: Total knee arthroplasty (TKA) significantly improves pain and restores a considerable degree of function. However, improvements are needed to increase patient satisfaction and restore kinematics to allow more physically demanding activities that active patients consider important. The aim of our study was to compare the alignment and motion of kinematically and mechanically aligned TKAs. METHODS: A patient specific musculoskeletal computer simulation was used to compare the tibio-femoral and patello-femoral kinematics between mechanically aligned and kinematically aligned TKA in 20 patients...
May 29, 2017: Knee
https://www.readbyqxmd.com/read/28566780/radiologic-assessment-of-femoral-and-tibial-tunnel-placement-based-on-anatomic-landmarks-in-arthroscopic-single-bundle-anterior-cruciate-ligament-reconstruction
#18
Sandeep Kumar Nema, Gopisankar Balaji, Sujiv Akkilagunta, Jagdish Menon, Murali Poduval, Dilip Patro
BACKGROUND: Accurate tibial and femoral tunnel placement has a significant effect on outcomes after anterior cruciate ligament reconstruction (ACLR). Postoperative radiographs provide a reliable and valid way for the assessment of anatomical tunnel placement after ACLR. The aim of this study was to examine the radiographic location of tibial and femoral tunnels in patients who underwent arthroscopic ACLR using anatomic landmarks. Patients who underwent arthroscopic ACLR from January 2014 to March 2016 were included in this retrospective cohort study...
May 2017: Indian Journal of Orthopaedics
https://www.readbyqxmd.com/read/28553441/prospective-case-study-of-outcome-of-tibial-plateau-fractures-treated-with-locking-condylar-plate
#19
R Jain
Introduction: Tibial plateau injury involves the articular surface of the proximal tibia with diverse group of fractures that represent a wide spectrum of severity that challenge even the most experienced surgeons, but with the invent of modern diagnostic technology and the advent of locking plates, results appear to be improving over time. Method: The study was conducted on thirty patients admitted in the department of orthopaedics with diagnoses of tibial plateau fractures treated with Locking Condylar Plate...
November 2016: Malaysian Orthopaedic Journal
https://www.readbyqxmd.com/read/28545727/postoperative-weight-bearing-and-patient-reported-outcomes-at-one-year-following-tibial-plateau-fractures
#20
Dominic Thewlis, Francois Fraysse, Stuart A Callary, Viju Daniel Verghese, Claire F Jones, David M Findlay, Gerald J Atkins, Mark Rickman, Lucian B Solomon
Tibial plateau fractures are complex and the current evidence for postoperative rehabilitation is weak, especially related to the recommended postoperative weight bearing. The primary aim of this study was to investigate if loading in the first 12 weeks of recovery is associated with patient reported outcome measures at 26 and 52 weeks postoperative. We hypothesized that there would be no association between loading and patient reported outcome measures. Seventeen patients, with a minimum of 52-week follow-up following fragment-specific open reduction and internal fixation for tibial plateau fracture, were selected for this retrospective analysis...
May 17, 2017: Injury
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