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Tibial plateau

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https://www.readbyqxmd.com/read/28323798/supplemental-perioperative-oxygen-to-reduce-surgical-site-infection-after-high-energy-fracture-surgery-oxygen-study
#1
Robert V OʼToole, Manjari Joshi, Anthony R Carlini, Robert A Sikorski, Armagan Dagal, Clinton K Murray, Michael J Weaver, Ebrahim Paryavi, Alec C Stall, Daniel O Scharfstein, Julie Agel, Mary Zadnik, Michael J Bosse, Renan C Castillo
Supplemental perioperative oxygen (SPO) therapy has been proposed as one approach for reducing the risk of surgical site infection (SSI). Current data are mixed regarding efficacy in decreasing SSI rates and hospital inpatient stays in general and few data exist for orthopaedic trauma patients. This study is a phase III, double-blind, prospective randomized clinical trial with a primary goal of assessing the efficacy of 2 different concentrations of perioperative oxygen in the prevention of SSIs in adults with tibial plateau, pilon (tibial plafond), or calcaneus fractures at higher risk of infection and definitively treated with plate and screw fixation...
April 2017: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/28323797/local-antibiotic-therapy-to-reduce-infection-after-operative-treatment-of-fractures-at-high-risk-of-infection-a-multicenter-randomized-controlled-trial-vanco-study
#2
Robert V OʼToole, Manjari Joshi, Anthony R Carlini, Clinton K Murray, Lauren E Allen, Daniel O Scharfstein, Joshua L Gary, Michael J Bosse, Renan C Castillo
A number of clinical studies in the spine literature suggest that the use of local vancomycin powder may substantially reduce surgical site infections (SSIs). These studies are primarily retrospective and observational and few focus on orthopaedic trauma patients. This study is a phase III, prospective, randomized, clinical trial to assess the efficacy of locally administered vancomycin powder in the prevention of SSI after fracture surgery. The primary goal of the VANCO Study is to compare the proportion of deep SSI 6 months after fracture fixation surgery...
April 2017: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/28314900/bony-landmark-between-the-attachment-of-the-medial-meniscus-posterior-root-and-the-posterior-cruciate-ligament-ct-and-mr-imaging-assessment
#3
Masataka Fujii, Takayuki Furumatsu, Shinichi Miyazawa, Yuya Kodama, Tomohito Hino, Yusuke Kamatsuki, Toshifumi Ozaki
OBJECTIVES: (1) To reveal the prevalence of the bony recess (posterior dimple) and (2) to determine the position of the posterior dimple on the tibial plateau using three-dimensional computed tomography (3DCT). MATERIALS AND METHODS: In this study, a retrospective review of 112 patients was performed to identify the posterior dimple and to evaluate its position on 3DCT. Magnetic resonance images (MRIs) were also used to determine the positional relationship among the posterior cruciate ligament (PCL), medial meniscus posterior insertion (MMPI), and posterior dimple...
March 18, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/28303656/incidence-and-risks-for-surgical-site-infection-after-adult-tibial-plateau-fractures-treated-by-orif-a-prospective-multicentre-study
#4
Yanbin Zhu, Song Liu, Xiaolin Zhang, Wei Chen, Yingze Zhang
Tibial plateau fractures are difficult to treat and more likely complicated by subsequent surgical site infection (SSI). There is limited information about its characteristics and related risk factors for SSI. This study was designed as a prospective and multicentre one to address this issue. From July to 15 November in 2014, 235 patients with tibial plateau fractures were treated by open reduction and internal fixation (ORIF) and followed up with complete data. Twelve patients (5·1%, 12/235) developed SSI, with 2·1% for deep SSI and 3·0% for superficial SSI...
March 16, 2017: International Wound Journal
https://www.readbyqxmd.com/read/28302427/association-between-tibial-plateau-slopes-and-anterior-cruciate-ligament-injury-a-meta-analysis
#5
Yi-Lun Wang, Tuo Yang, Chao Zeng, Jie Wei, Dong-Xing Xie, Yuan-Heng Yang, Hui-Zhong Long, Bei Xu, Yu-Xuan Qian, Shi-de Jiang, Guang-Hua Lei
PURPOSE: To investigate the associations of medial tibial plateau slope (MTPS), lateral tibial plateau slope (LTPS), and coronal tibial plateau slope (CTPS) with anterior cruciate ligament (ACL) injury both in the general population and in different gender subgroups. METHODS: PubMed, Ovid, Embase, and Scopus databases were searched through from inception to August 31, 2016. Observational studies reporting associations of MTPS/LTPS/CTPS with ACL injury were retrieved for analysis...
March 13, 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/28302318/regional-differences-of-tibial-and-femoral-cartilage-in-the-chondrocyte-gene-expression-immunhistochemistry-and-composite-in-different-stages-of-osteoarthritis
#6
A Lahm, D Dabravolski, H Spank, H Merk, J Esser, R Kasch
The function of articular cartilage as an avascular tissue is mainly served by collagen type II and proteoglycan molecules. Within this matrix homeostasis between production and breakdown of the matrix is exceptionally sensitive. The current study was conducted to identify regional differences in specific alterations in cartilage composition during the osteoarthritic process of the human knee joint. Therefor the changes in the expression of the key molecules of the extracellular matrix were measured in dependence of the anatomical side (femoral vs tibial) and associated with immunohistochemistry and quantitative measurement...
February 24, 2017: Tissue & Cell
https://www.readbyqxmd.com/read/28299551/comparative-biomechanical-analysis-of-three-implants-used-in-bicondylar-tibial-fractures
#7
Cosmin Ioan Faur, Bogdan Niculescu
BACKGROUND: Currently, the most difficult-to-treat tibial plateau fractures are complex, comminuted fractures, which result from high-energy trauma. The anatomical reconstruction of the articular surface and the preservation of the soft tissue envelope are required for a good functional result. The aim of this study is to perform a biomechanical evaluation of three constructs used in the treatment of bicondylar fractures: the L‑shaped plate, the LCP locking plate, and the hybrid external fixator...
March 15, 2017: Wiener Medizinische Wochenschrift
https://www.readbyqxmd.com/read/28294398/functional-properties-of-native-and-tissue-engineered-cartilage-toward-understanding-the-pathogenesis-of-chondral-lesions-at-the-knee-a-bovine-cadaveric-study
#8
Nikolaos K Paschos, Nikita Lim, Jerry C Hu, Kyriacos A Athanasiou
Chondral lesions frequently occur in different topographic locations of the knee. This study evaluated the functional properties among the articulating surfaces of the tibiofemoral and patellofemoral joints, and whether neo-cartilage engineered using chondrocytes from different knee locations would reflect these differences. The biomechanical properties of bovine cartilage isolated from eight locations within the tibiofemoral (medial & lateral condyle, medial & lateral tibial plateau) and patellofemoral joints (medial & lateral trochlea, medial & lateral patella) were examined...
March 10, 2017: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/28293698/anterolateral-ligament-abnormalities-are-associated-with-peripheral-ligament-and-osseous-injuries-in-acute-ruptures-of-the-anterior-cruciate-ligament
#9
Camilo Partezani Helito, Paulo Victor Partezani Helito, Renata Vidal Leão, Marco Kawamura Demange, Marcelo Bordalo-Rodrigues
PURPOSE: Few studies have used MRI to identify the ALL. As it was shown that it is not possible to precisely characterize this ligament in all examination, it is important to identify concomitant lesions that can help in diagnosing ALL abnormalities. It is important to characterise this injury due to its association with anterolateral knee instability. Thus, the present study was performed to determine the frequency of ALL injuries in patients with acute ACL rupture and to analyse its associated knee lesions...
March 14, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28291955/change-of-chondral-lesions-and-predictive-factors-after-medial-open-wedge-high-tibial-osteotomy-with-a-locked-plate-system
#10
Kang-Il Kim, Min-Chul Seo, Sang-Jun Song, Dae-Kyung Bae, Duk-Hyun Kim, Sang Hak Lee
BACKGROUND: Although cartilage regeneration after medial open-wedge high tibial osteotomy (HTO) has been described, there is a paucity of reports regarding which factors influence cartilage regeneration. PURPOSE: To document whether cartilage regeneration occurs in the previously degenerated medial compartment of arthritic knees after medial open-wedge HTO without concomitant cartilage procedures and to assess which predictive factors influence regeneration after HTO...
March 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28288613/outcome-of-patients-after-lower-limb-fracture-with-partial-weight-bearing-postoperatively-treated-with-or-without-anti-gravity-treadmill-alter-g%C3%A2-during-six-weeks-of-rehabilitation-a-protocol-of-a-prospective-randomized-trial
#11
Ralf Henkelmann, Sebastian Schneider, Daniel Müller, Ralf Gahr, Christoph Josten, Jörg Böhme
BACKGROUND: Partial or complete immobilization leads to different adjustment processes like higher risk of muscle atrophy or a decrease of general performance. The present study is designed to prove efficacy of the anti-gravity treadmill (alter G®) compared to a standard rehabilitation protocol in patients with tibial plateau (group 1)or ankle fractures (group 2) with six weeks of partial weight bearing of 20 kg. METHODS AND DESIGN: This prospective randomized study will include a total of 60 patients for each group according to predefined inclusion and exclusion criteria...
March 14, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28276119/combined-tibial-plateau-levelling-osteotomy-and-lateral-fabellotibial-suture-for-cranial-cruciate-ligament-rupture-with-severe-rotational-instability-in-dogs
#12
M Schaible, J Shani, A Caceres, M Payton, Y Segev, R Ben-Amotz
OBJECTIVE: To report the use of tibial plateau levelling osteotomy and lateral fabellotibial suture in combination for treatment of severe internal tibial rotational stifle instability in cranial cruciate-deficient stifles. METHODS: Twenty-three stifles in 19 dogs were diagnosed with cranial cruciate ligament rupture with severe stifle instability, characterised by marked cranial tibial translation and internal tibial rotation that was evident during orthopaedic examination...
April 2017: Journal of Small Animal Practice
https://www.readbyqxmd.com/read/28263119/surgical-management-of-pivot-shift-phenomenon-in-a-dog
#13
Rebekah C Knight, David G Thomson, Alan Danielski
CASE DESCRIPTION A 6.8-year-old neutered male Labrador Retriever-Poodle mix was evaluated because of continued left pelvic limb lameness unresponsive to conservative management 1 year after undergoing tibial plateau leveling osteotomy (TPLO). CLINICAL FINDINGS A jerking lateral movement of the left stifle joint was detected during walking. Orthopedic examination revealed a pivot-shift phenomenon (PSP). Palpation elicited no signs of discomfort over the TPLO plate or caudomedial aspect of the stifle joint. Radiography revealed complete bone fusion at the osteotomy site and only mild joint effusion...
March 15, 2017: Journal of the American Veterinary Medical Association
https://www.readbyqxmd.com/read/28260200/increased-lateral-tibial-posterior-slope-is-related-to-tibial-tunnel-widening-after-primary-acl-reconstruction
#14
Soheil Sabzevari, Amir Ata Rahnemai-Azar, Humza S Shaikh, Justin W Arner, James J Irrgang, Freddie H Fu
PURPOSE: The purpose of the study was to determine the influence of femoral and tibial bone morphology on the amount of femoral and tibial tunnel widening after primary anatomic ACL reconstruction. It was hypothesized that tibial and femoral bone morphology would be significantly correlated with tunnel widening after anatomic ACL reconstruction. METHODS: Forty-nine consecutive patients (mean age 21.8 ± 8.1 years) who underwent primary single-bundle anatomic ACL reconstruction with hamstring autograft were enrolled...
March 4, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28255659/an-intact-fibula-may-contribute-to-allow-early-weight-bearing-in-surgically-treated-tibial-plateau-fractures
#15
Ion Carrera, Pablo Eduardo Gelber, Gaetan Chary, Mireia Gomez Masdeu, Miguel A González Ballester, Juan Carlos Monllau, Jerome Noailly
PURPOSE: The role of the proximal tibiofibular joint (PTFJ) in tibial plateau fractures is unknown. The purpose of this study was to assess, with finite-element (FE) calculations, differences in interfragmentary movement (IFM) in a split fracture of lateral tibial plateau, with and without intact fibula. It was hypothesized that an intact fibula could positively contribute to the mechanical stabilization of surgically reduced lateral tibial plateau fractures. METHODS: A split fracture of the lateral tibial plateau was recreated in an FE model of a human tibia...
March 3, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28251061/total-knee-arthroplasty-and-fractures-of-the-tibial-plateau
#16
REVIEW
Kenneth A Softness, Ryan S Murray, Brian G Evans
Tibial plateau fractures are common injuries that occur in a bimodal age distribution. While there are various treatment options for displaced tibial plateau fractures, the standard of care is open reduction and internal fixation (ORIF). In physiologically young patients with higher demand and better bone quality, ORIF is the preferred method of treating these fractures. However, future total knee arthroplasty (TKA) is a consideration in these patients as post-traumatic osteoarthritis is a common long-term complication of tibial plateau fractures...
February 18, 2017: World Journal of Orthopedics
https://www.readbyqxmd.com/read/28237919/the-relation-between-the-frequency-of-short-pulse-electrical-stimulation-of-afferent-nerve-fibers-and-evoked-muscle-force
#17
Jakob L Dideriksen, Kasper Leerskov, Magdalena Czyzewska, Rune Rasmussen
OBJECTIVE: Functional electrical stimulation (FES) is conventionally performed by the stimulation of motor axons causing the muscle fibers innervated by these axons to contract. An alternative strategy that may evoke contractions with more natural motor unit behavior is to stimulate afferent fibers (primarily type Ia) to excite the motor neurons at the spinal level. The aim of the study was to investigate the range of forces that can be evoked in this way and the degree to which the torque can be controlled...
February 20, 2017: IEEE Transactions on Bio-medical Engineering
https://www.readbyqxmd.com/read/28231645/the-effect-of-different-sagittal-angles-of-the-tibial-guide-on-aperture-widening-of-the-tibial-tunnel-during-modified-transtibial-anterior-cruciate-ligament-reconstruction-a-randomized-in-vivo-study
#18
Young Chan Kim, Tulyapruek Tawonsawatruk, Hyeong Hwa Woon, Ji Woong Yum, Myung Jin Shin, Rodolfo S Bravo, Kyung Wook Nha
Purpose: The effect of sagittal plane angle of the tibial tunnel on the severity of tibial intra-articular aperture expansion caused by iatrogenic re-reaming in anterior cruciate ligament (ACL) reconstruction using a modified transtibial technique is unknown. The purpose of this study was to compare the severity of intra-articular aperture widening at different angles (40°, 45°, and 50°) of the tibial guide (TG). Materials and Methods: Ninety-seven patients who underwent modified transtibial ACL reconstruction were randomly allocated to TG 40°, 45°, and 50° groups...
March 1, 2017: Knee Surgery & related Research
https://www.readbyqxmd.com/read/28229984/anatomical-knee-variants-in-discoid-lateral-meniscal-tears
#19
Xu-Xu Chen, Jian Li, Tao Wang, Yang Zhao, Hui Kang
BACKGROUND: Discoid lateral meniscus was a common meniscal dysplasia and was predisposed to tear. There were some anatomical knee variants in patients with discoid lateral meniscus. The aim of this study was to analyze the relationship between anatomical knee variants and discoid lateral meniscal tears. METHODS: There were totally 125 cases of discoid lateral meniscus enrolled in this study from February 2008 to December 2013. Eighty-seven patients who underwent arthroscopic surgery for right torn discoid lateral meniscus were enrolled in the torn group...
2017: Chinese Medical Journal
https://www.readbyqxmd.com/read/28220268/anterolateral-ligament-expert-group-consensus-paper-on-the-management-of-internal-rotation-and-instability-of-the-anterior-cruciate-ligament-deficient-knee
#20
REVIEW
Bertrand Sonnery-Cottet, Matthew Daggett, Jean-Marie Fayard, Andrea Ferretti, Camilo Partezani Helito, Martin Lind, Edoardo Monaco, Vitor Barion Castro de Pádua, Mathieu Thaunat, Adrian Wilson, Stefano Zaffagnini, Jacco Zijl, Steven Claes
Purpose of this paper is to provide an overview of the latest research on the anterolateral ligament (ALL) and present the consensus of the ALL Expert Group on the anatomy, radiographic landmarks, biomechanics, clinical and radiographic diagnosis, lesion classification, surgical technique and clinical outcomes. A consensus on controversial subjects surrounding the ALL and anterolateral knee instability has been established based on the opinion of experts, the latest publications on the subject and an exchange of experiences during the ALL Experts Meeting (November 2015, Lyon, France)...
February 20, 2017: Journal of Orthopaedics and Traumatology: Official Journal of the Italian Society of Orthopaedics and Traumatology
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