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High tibial osteotomy

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https://www.readbyqxmd.com/read/28932876/effective-patellofemoral-joint-stabilization-and-low-complication-rates-using-a-hardware-free-mpfl-reconstruction-technique-with-an-intra-operative-adjustment-of-the-graft-tension
#1
Lars V von Engelhardt, Torsten Fuchs, Pia Weskamp, Joerg Jerosch
PURPOSE: Even if medial patellofemoral ligament (MPFL) reconstruction is a proven method, complications such as implant loosening, patella fractures, recurrent luxations, knee pain or knee stiffness are frequently described. Besides a correct tunnel positioning and implant-specific complications, this might be caused by difficulties with an appropriate graft tensioning. The study presented here is a necessary first step in exploring our technique of a double-limbed, hardware-free MPFL reconstruction, which provides another way to test and adjust the graft tension before permanent fastening...
September 20, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28932503/effect-of-high-tibial-osteotomy-on-hip-biomechanics-in-patients-with-genu-varum-a%C3%A2-prospective-cohort-study
#2
Mehdi Moghtadaei, Ali Yeganeh, Bahram Boddouhi, Atefe Alaee, Hossein Farahini, Babak Otoukesh
BACKGROUND AND AIMS: The aim of this study is to evaluate the effect of proximal tibia osteotomy on hip biomechanics. METHODS: This cohort study was conducted on 50 knees of 37 patients divided into two groups of unilateral and bilateral surgeries during 2015-2016. Patients underwent medial open-wedge osteotomy of proximal tibia. Axial alignment of lower limb radiography was carried out for the patients before and after the osteotomy. RESULTS: Findings from unilateral and bilateral high tibial osteotomies demonstrated that the average of greater trochanter (GT) angle from femoral head center and also the average angle of knee varus were significantly decreased (P = 0...
June 2017: Interventional Medicine & Applied Science
https://www.readbyqxmd.com/read/28928048/edoxaban-is-effective-in-reducing-the-incidence-of-asymptomatic-phlebographic-events-following-closed-wedge-high-tibial-osteotomy
#3
Hideo Kobayashi, Yasushi Akamatsu, Ken Kumagai, Yoshihiro Kusayama, Hiroyuki Okuyama, Kunihito Hirotomi, Kentaro Shinohara, Tomoyuki Saito
INTRODUCTION: The purpose of this study was twofold:1) to investigate whether edoxaban significantly decreases the rate of venous thromboembolism (VTE) following closed-wedge high tibial osteotomy (CWHTO), in terms of phlebographic event, and 2) to determine whether edoxaban is safe or increases the rate of hemorrhagic complications.We hypothesized that edoxaban would decrease the incidence of VTE and would not increase the rate of hemorrhagic complications. MATERIALS AND METHODS: We randomly enrolled 60 patients undergoing CWHTO...
September 16, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28914665/role-of-a-tendon-transfer-as-a-dynamic-checkrein-reducing-recurrence-of-equinus-following-distal-tibial-dorsiflexion-osteotomy
#4
Shahbaz S Malik, Richard Knight, Usman Ahmed, Hari Prem
Tibial dorsiflexion osteotomy for recalcitrant equinus in clubfeet is reported to have a high recurrence rate with growth. We present the results of closing wedge tibial dorsiflexion osteotomy and tendon transfers in 15 feet and 11 patients. The mean age at presentation was 7 (range: 3.98-12.38) years. At a mean follow-up of 4.16 (range: 2.09-6.87) years, 11 of the 15 feet remained corrected. Mean correction of the dorsiflexion was 24.5° and mean correction of anterior distal tibial angle was 10.9° at final review...
September 13, 2017: Journal of Pediatric Orthopedics. Part B
https://www.readbyqxmd.com/read/28903017/is-a-high-tibial-osteotomy-superior-to-non-surgical-treatment-in-patients-with-varus-malaligned-medial-knee-osteoarthritis-a-propensity-matched-study-using-2-rct-datasets
#5
M V van Outeren, J H Waarsing, R W Brouwer, J A N Verhaar, M Reijman, S M A Bierma-Zeinstra
OBJECTIVE: No randomized controlled trial (RCT) has compared the high tibial osteotomy (HTO) with non-surgical treatment in patients with medial knee osteoarthritis and varus malalignment. The aim was to compare the effectiveness of an unloader brace treatment or a usual care program to the HTO regarding pain severity and knee function. DESIGN: Surgical treatment (HTO) to two non-surgical options was compared by combining the data of two RCTs. One RCT (n=117) compared an unloader brace to usual care treatment; the other RCT (n=92) compared closing to opening wedge HTO...
September 10, 2017: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/28892256/possibility-of-quantitative-t2-mapping-mri-of-cartilage-near-metal-in-high-tibial-osteotomy-a-human-cadaver-study
#6
Joost Verschueren, Duncan E Meuffels, Esther E Bron, Stefan Klein, Gert-Jan Kleinrensink, Jan A N Verhaar, Sita M A Bierma-Zeinstra, Gabriel P Krestin, Piotr A Wielopolski, Max Reijman, Edwin H G Oei
T2-mapping is a widely used quantitative MRI technique in osteoarthritis research. An important challenge for its application in the context of high tibial osteotomy (HTO) is the presence of metallic fixation devices. In this study, we evaluated the possibility of performing T2-mapping after a HTO, by assessing the extent of magnetic susceptibility artifacts and the influence on T2 relaxation times caused by two commonly used fixation devices. T2-mapping with a 3D fast spin-echo sequence at 3 Tesla was performed on 11 human cadaveric knee joints before and after implantation of a titanium plate and screws (n = 5) or cobalt chrome staples(n = 6)...
September 11, 2017: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/28888904/changes-in-biomechanical-risk-factors-for-knee-osteoarthritis-and-their-association-with-5-year-clinically-important-improvement-after-limb-realignment-surgery
#7
T B Birmingham, R Moyer, K Leitch, B Chesworth, D Bryant, K Willits, R Litchfield, P J Fowler, J R Giffin
OBJECTIVE: To evaluate 5-year outcomes after lower limb realignment and test the hypothesis that surgery-induced changes in selected biomechanical risk factors for medial knee osteoarthritis (OA) are associated with clinically important improvements. DESIGN: We prospectively evaluated patient-reported outcomes, full-limb standing radiographs and gait biomechanics before, 6 months (surgery-induced change) and 5 years after medial opening wedge high tibial osteotomy (HTO) in 170 patients (46...
September 6, 2017: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/28888739/impingement-between-medial-plica-against-femoral-condyle-osteophyte-after-high-tibial-osteotomy
#8
Jae-Hyuk Yang, Jung-Ro Yoon
No abstract text is available yet for this article.
September 6, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28888524/total-knee-arthroplasty-after-opening-versus-closing-wedge-high-tibial-osteotomy-a-135-case-series-with-minimum-5-year-follow-up
#9
Matthieu Ehlinger, Adrien D'ambrosio, Pascal Vie, Sylvain Leclerc, François Bonnomet, Paul Bonnevialle, Sébastien Lustig, Sébastien Parratte, Michel Colmar, Jean-Noël Argenson
INTRODUCTION: High tibial osteotomy (HTO) is effective in treating isolated medial osteoarthritis of the knee, but subsequent deterioration is inevitable, and total knee arthroplasty (TKA) is then an option. The present study sought to compare TKA following medial opening-wedge HTO (OW-HTO) versus lateral closing-wedge HTO (CW-HTO) in terms of intraoperative data and clinical results. The study hypothesis was that there is no significant difference in clinical results or complications in TKA following OW-HTO or CW-HTO...
September 6, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28860395/no-difference-in-time-dependent-improvement-in-functional-outcome-following-closing-wedge-versus-opening-wedge-high-tibial-osteotomy-a-randomised-controlled-trial-with-two-year-follow-up
#10
RANDOMIZED CONTROLLED TRIAL
T K Nerhus, A Ekeland, G Solberg, B H Olsen, J E Madsen, S Heir
AIMS: The aim of this prospective randomised study was to compare the time course of clinical improvement during the first two years following a closing or opening wedge high tibial osteotomy (HTO). It was hypothesised that there would be no differences in clinical outcome between the two techniques. PATIENTS AND METHODS: Between 2007 and 2013, 70 consecutive patients were randomly allocated to undergo either a closing or opening wedge HTO. All patients had medial compartment osteoarthritis (OA), and were aged between 30 years and 60 years...
September 2017: Bone & Joint Journal
https://www.readbyqxmd.com/read/28854769/comparison-of-mechanical-axis-and-dynamic-range-assessed-with-weight-bearing-radiographs-and-navigation-system-in-closed-wedge-high-tibial-osteotomy
#11
Dae Kyung Bae, Jong Whan Lee, Seong Jin Cho, Sang Jun Song
Purpose: To compare navigation and weight bearing radiographic measurements of mechanical axis (MA) before and after closed wedge high tibial osteotomy (HTO) and to evaluate post-osteotomy changes in MA assessed during application of external varus or valgus force. Materials and Methods: Data from 30 consecutive patients (30 knees) who underwent computer-assisted closed-wedge HTO were prospectively analyzed. Pre- and postoperative weight bearing radiographic evaluation of MA was performed...
September 1, 2017: Knee Surgery & related Research
https://www.readbyqxmd.com/read/28852346/medial-meniscus-root-tear-in-the-middle-aged-patient-a-case-based-review
#12
Joseph H Carreau, Sean E Sitton, Matthew Bollier
Biomechanical studies have shown that medial meniscal root tears result in meniscal extrusion and increased tibiofemoral joint contact pressures, which can accelerate the progression of arthritis. Repair is generally recommended for acute injuries in the young, active patient population. The far more common presentation however, is a subacute root tear with medial meniscal extrusion in a middle aged patient. Coexisting arthritis is common in this population and complicates decision making. Treatment should be based on the severity of the underlying arthritis...
2017: Iowa Orthopaedic Journal
https://www.readbyqxmd.com/read/28851264/gap-healing-after-medial-open-wedge-high-tibial-osteotomy-using-injectable-beta-tricalcium-phosphate
#13
Won Chul Choi, Banghyun Kim, Uk Kim, Yohan Lee, Jae-Hwa Kim
PURPOSE: The study aim was to evaluate gap healing after medial open-wedge high tibial osteotomy (MOWHTO) using novel injectable beta-tricalcium phosphate (β-TCP) as gap filler. We also aimed to evaluate radiographic and clinical outcome of MOWHTO using injectable β-TCP. METHODS: Consecutive 28 patients underwent MOWHTO using anatomical locking plate fixation, and β-TCP was injected as gap filler. Serial radiographs and computed tomography were taken at postoperative 3 and 12 months, and gap healing was assessed...
September 2017: Journal of Orthopaedic Surgery
https://www.readbyqxmd.com/read/28831525/large-correction-in-opening-wedge-high-tibial-osteotomy-with-resultant-joint-line-obliquity-induces-excessive-shear-stress-on-the-articular-cartilage
#14
Hiroshi Nakayama, Steffen Schröter, Chie Yamamoto, Tomoya Iseki, Ryo Kanto, Kenji Kurosaka, Shunichiro Kambara, Shinichi Yoshiya, Masaru Higa
PURPOSE: The purpose of this study was to analyse the resultant stress induced by joint-line obliquity after HTO for varus knee deformity using a three-dimensional (3D) finite element model analysis. METHODS: The geometrical bone data used in this study were derived from commercially available human bone digital anatomy media. The 3D knee models were developed using 3D computer-aided design software. The articular surface was overlaid with a 2-mm-thick cartilage layer for both femoral and tibial condyles...
August 22, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28828747/patient-reported-outcomes-correlate-with-functional-scores-after-opening-wedge-high-tibial-osteotomy-a-clinical-study
#15
Seung-Beom Han, Jong-Hee Lee, Seul-Gi Kim, Chun-Guang Cui, Dong-Won Suh, Seung-Yup Lee, Ki-Mo Jang
PURPOSE: The purpose of this study was to assess post-operative patient subjective satisfaction and to analyze associated peri-operative factors following biplanar medial open wedge high tibial osteotomy (OWHTO). METHODS: The study cohort consisted of 88 patients with a minimum of two years of follow-up. Patient satisfaction was evaluated with a questionnaire that assessed (1) overall satisfaction, (2) pain relief, (3) daily living functions, and (4) cosmesis. Patients were categorized into two groups (satisfied or unsatisfied) based on overall satisfaction questionnaire...
August 21, 2017: International Orthopaedics
https://www.readbyqxmd.com/read/28806840/changes-of-sagittal-and-axial-alignments-of-patella-after-open-and-closed-wedge-high-tibial-osteotomy-a-systematic-review-and-meta-analysis
#16
O-Sung Lee, Soyeon Ahn, Yong Seuk Lee
No abstract text is available yet for this article.
August 14, 2017: Journal of Knee Surgery
https://www.readbyqxmd.com/read/28804716/open-wedge-high-tibial-osteotomy-with-distal-tubercle-osteotomy-lessens-change-in-patellar-position
#17
Hoon Park, Hyun Woo Kim, Jin Hwa Kam, Dong Hoon Lee
The purpose of this study was to investigate the change in patellar position after open wedge high tibial osteotomy (OWHTO) with distal tubercle osteotomy (DTO), comparing outcomes of conventional OWHTO in young adults with proximal tibia varus deformity but no arthritic manifestations. Thirty-three patients (mean age, 31.8 years) subjected to OWHTO/DTO were matched with 30 patients (mean age, 33.5 years) undergoing conventional OWHTO. Patellar position, as measured in pre- and postoperative standing lateral radiographs, was compared...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28800855/radiographic-analysis-of-the-lower-limbs-using-the-hip-calcaneus-line-in-healthy-individuals-and-in-patients-with-varus-knee-osteoarthritis
#18
Toshikazu Tanaka, Koji Takayama, Shingo Hashimoto, Noriyuki Kanzaki, Shinya Hayashi, Ryosuke Kuroda, Tomoyuki Matsumoto
BACKGROUND: Several recent reports define the line from the centre of the femoral head to the lowest point of the calcaneus. The purpose of this study was to comparatively examine the usefulness of the hip-calcaneus (HC) line and hip-ankle (HA) line for the evaluation of lower-limb alignment in healthy individuals and in patients with osteoarthritis (OA). METHODS: Participants included 34 healthy individuals (mean age, 26.4years) and 34 patients with OA (mean age, 74...
October 2017: Knee
https://www.readbyqxmd.com/read/28797874/factors-affecting-articular-cartilage-repair-after-open-wedge-high-tibial-osteotomy
#19
Chang-Wan Kim, Seung-Suk Seo, Chang-Rack Lee, Heui-Chul Gwak, Jung-Han Kim, Sun-Gyu Jung
BACKGROUND: To evaluate the factors that affect articular cartilage repair after open-wedge high tibial osteotomy (OWHTO) and the relationship between regeneration of articular cartilage repair and clinical outcomes. METHODS: Among the cases of OWHTO that were performed from March 2005 to February 2012, the patients who followed up for >2years and received a second-look arthroscopy were retrospectively reviewed. For clinical evaluation, the Knee Society scores and Western Ontario and McMaster Universities Osteoarthritis Index score were measured...
August 8, 2017: Knee
https://www.readbyqxmd.com/read/28797873/radiographic-and-computed-tomographic-evaluation-of-bone-union-after-medial-opening-wedge-high-tibial-osteotomy-with-filling-gap
#20
Hideo Kobayashi, Yasushi Akamatsu, Ken Kumagai, Yoshihiro Kusayama, Tomoyuki Saito
BACKGROUND: We evaluated bone union and remodelling in patients undergoing opening-wedge high tibial osteotomy (OWHTO) with bone gaps filled with beta-tricalcium phosphate. We examined the effectiveness of radiography and computed tomography (CT) for the evaluation of bone union and remodelling, and investigated whether lateral hinge fractures affected bone union. METHODS: Sixty-six cases underwent OWHTO with a combination of a TomoFix plate and a bone substitute...
August 7, 2017: Knee
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