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Knee osteotomy

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https://www.readbyqxmd.com/read/29761747/changes-in-hindfoot-alignment-after-high-or-low-tibial-osteotomy
#1
Jun Young Choi, Si Jung Song, Sung Jung Kim, Sang Hee Kim, Ji Soo Park, Jin Soo Suh
BACKGROUND: We aimed to determine the change in hindfoot alignment after high (HTO) or low tibial osteotomy (LTO), which is commonly performed to prevent the progression of arthritis of the knee or ankle. METHODS: We retrospectively reviewed the radiographic findings of patients who underwent HTO or LTO for arthritis with varus deformity of the knee or ankle joint. The hindfoot alignment view angle (HAVA), hindfoot alignment ratio (HAR), and hindfoot moment arm (HMA) were measured using the hindfoot alignment radiographs...
May 1, 2018: Foot & Ankle International
https://www.readbyqxmd.com/read/29753172/the-increase-of-anterior-pelvic-tilt-after-crouch-gait-treatment-in-patients-with-cerebral-palsy
#2
Mauro César de Morais Filho, Francesco Camara Blumetti, Cátia Miyuki Kawamura, Jaqueline Bartelega Rodrigues Leite, José Augusto Fernandes Lopes, Marcelo Hideki Fujino, Daniella Lins Neves
BACKGROUND: The increase of anterior pelvic tilt (APT) has been described after the treatment of crouch gait in cerebral palsy (CP). The ideal treatment option for flexed knee gait in CP should provide knee extension improvement in the stance phase without generating the increase of APT. RESEARCH QUESTION: The purpose of this study was to compare three different approaches used for the treatment of crouch gait in CP [distal femur extension osteotomy (DFEO), patellar tendon shortening (PTS) and the combination of DFEO +PTS] regarding the increase of APT after the interventions...
May 5, 2018: Gait & Posture
https://www.readbyqxmd.com/read/29732517/coronal-tibiofemoral-subluxation-is-correlated-to-correction-angle-in-medial-opening-wedge-high-tibial-osteotomy
#3
Hiroyasu Ogawa, Kazu Matsumoto, Haruhiko Akiyama
PURPOSE: This study aimed to analyse the change in coronal tibiofemoral (CTF) subluxation after high tibial osteotomy and to determine demographic variables associated with CTF subluxation. The change in CTF subluxation was hypothesised to be associated with the magnitude of correction of lower limb alignment and medial proximal tibial angle (MPTA). METHODS: A total of 103 consecutive knees in 86 patients who underwent medial opening wedge high tibial osteotomy for symptomatic medial compartment knee osteoarthritis were retrospectively analysed...
May 7, 2018: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/29731319/the-influence-of-tibial-slope-on-the-graft-in-combined-high-tibial-osteotomy-and-anterior-cruciate-ligament-reconstruction
#4
Philipp Schuster, Markus Geßlein, Michael Schlumberger, Philipp Mayer, Jörg Richter
BACKGROUND: Young patients with severe medial osteoarthritis, varus malalignment and insufficiency of the anterior cruciate ligament (ACL) are difficult to treat. The tibial slope has gained attention with regard to osteotomies and ligamentous instability. The purpose was to evaluate the outcome of combined high tibial osteotomy (HTO), ACL reconstruction and chondral resurfacing (CR, abrasion plus microfracture), and to analyse graft failure rates with regard to the tibial slope. METHODS: Fifty cases (48...
May 3, 2018: Knee
https://www.readbyqxmd.com/read/29730857/the-role-of-osteotomy-for-the-treatment-of-pcl-injuries
#5
REVIEW
João V Novaretti, Andrew J Sheean, Jayson Lian, Joseph De Groot, Volker Musahl
PURPOSE OF REVIEW: The purposes of this review are to (1) describe the anatomic and biomechanical rationale for high tibial osteotomy (HTO) in the setting of posterior cruciate ligament (PCL) deficiency, (2) review the indications for concomitant HTO and PCL reconstruction, (3) provide guidance for the clinical assessment of the patient with suspected PCL deficiency, and (4) summarize the key surgical steps necessary to attain the appropriate sagittal and coronal plane corrections. RECENT FINDINGS: The preponderance of available biomechanical data pertaining to the PCL-deficient knee suggests that an increased proximal tibial slope limits posterior tibial translation under axial compressive loads...
May 5, 2018: Current Reviews in Musculoskeletal Medicine
https://www.readbyqxmd.com/read/29720218/the-anteroposterior-axis-of-the-tibia-is-adjusted-to-approximately-a-right-angle-to-the-anterior-pelvic-plane-in-the-standing-position-in-patients-with-hip-dysplasia-similar-to-normal-subjects-a-cross-sectional-study
#6
Norio Imai, Dai Miyasaka, Hayato Suzuki, Kazuki Tsuchiya, Tomoyuki Ito, Izumi Minato, Naoto Endo
BACKGROUND: We previously described that the anteroposterior (AP) axis of the tibia is approximately perpendicular to the transverse axis of the anterior pelvic plane (APP) in the standing position in healthy subjects. The purpose of this study was to investigate the rotational alignment between the APP and clinical epicondylar axis and the AP axis of the tibia relative to pelvic coordination in the standing position in normal subjects and in women with developmental dysplasia of the hip (DDH) to aid decision making for surgeons in the alignment of implants in total hip or knee arthroplasty...
May 2, 2018: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/29708573/medial-compartment-decompression-by-proximal-fibular-osteotomy-a-biomechanical-cadaver-study
#7
Todd Baldini, Jesse Roberts, Jiandong Hao, Kenneth Hunt, Michael Dayton, Craig Hogan
Medial compartment knee osteoarthritis is a painful and debilitating disease. A proximal fibular osteotomy is a novel, simple surgical technique that may reduce pain and improve function for patients with osteoarthritis. The purpose of this biomechanical cadaver study was to determine what effect proximal fibular osteotomy had on knee joint and ankle pressures and tibia strain. Ten matched pairs of cadaver legs were tested in compression to 1.1 times body weight comparing intact and with proximal fibular osteotomy at 0°, 15°, and 30° of flexion...
April 27, 2018: Orthopedics
https://www.readbyqxmd.com/read/29696606/femoral-derotational-osteotomies
#8
REVIEW
Manfred Nelitz
PURPOSE OF REVIEW: Femoral derotational osteotomies are performed to correct residual symptomatic increased femoral torsion in adolescents and adults. Typical indications are anterior knee pain caused by patellar maltracking and patellofemoral instability. There is still no consensus as to what the correct indication is and which surgical techniques lead to the best outcomes in performing a femoral derotational osteotomy. RECENT FINDINGS: Good early clinical outcomes have been reported...
April 25, 2018: Current Reviews in Musculoskeletal Medicine
https://www.readbyqxmd.com/read/29688749/surgical-treatment-with-closing-wedge-distal-femoral-osteotomy-for-recurrent-patellar-dislocation-with-genu-valgum
#9
Kyung Wook Nha, Yoonwon Ha, Seungmin Oh, Vivek P Nikumbha, Sae Kwang Kwon, Woo-Jin Shin, Byung Hoon Lee, Keun Bae Hong
BACKGROUND: Closing-wedge distal femoral osteotomy (CWDFO)-combined with medial reefing and lateral release, if necessary- has been used to treat recurrent patellar dislocation (RPD) with genu valgum. PURPOSE: To evaluate the clinical and radiologic outcomes of surgical treatment with CWDFO for treatment of RPD with genu valgum. STUDY DESIGN: Case series; Level of evidence, 4. METHODS: Fourteen consecutive patients (23 knees) with RPD and genu valgum were treated with CWDFO...
April 1, 2018: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/29685834/effect-of-increased-coronal-inclination-of-the-tibial-plateau-after-opening-wedge-high-tibial-osteotomy
#10
Yasushi Akamatsu, Ken Kumagai, Hideo Kobayashi, Masaki Tsuji, Tomoyuki Saito
PURPOSE: To assess whether the increased inclination of the tibial plateau on the coronal view after opening-wedge high tibial osteotomy affects radiographic coronal alignment, clinical outcomes, and cartilage findings. METHODS: After adjustment for the preoperative medial proximal tibial angle (MPTA), patients who underwent opening-wedge high tibial osteotomy were retrospectively divided into those with postoperative MPTA values of 95° or less (normal group) and greater than 95° (increased group), with each group containing 43 knees...
April 20, 2018: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29683374/finite-element-analysis-of-the-effect-of-high-tibial-osteotomy-correction-angle-on-articular-cartilage-loading
#11
Zahra Trad, Abdelwahed Barkaoui, Moez Chafra, João Manuel Rs Tavares
Osteoarthritis is a globally common disease that imposes a considerable ongoing health and economic burden on the socioeconomic system. As more and more biomechanical factors have been explored, malalignment of the lower limb has been found to influence the load distribution across the articular surface of the knee joint substantially. In this work, a three-dimensional finite element analysis was carried out to investigate the effect of varying the high tibial osteotomy correction angle on the stress distribution in both compartments of the human knee joint...
April 1, 2018: Proceedings of the Institution of Mechanical Engineers. Part H, Journal of Engineering in Medicine
https://www.readbyqxmd.com/read/29667926/proximal-tibia-stress-fracture-with-osteoarthritis-of-knee-radiological-and-functional-analysis-of-one-stage-tka-with-long-stem
#12
Dhanasekaran Soundarrajan, Natesan Rajkumar, Palanisamy Dhanasekararaja, Shanmuganathan Rajasekaran
INTRODUCTION: Proximal tibia stress fractures with knee osteoarthritis pose a challenging situation. We evaluated the radiological and functional outcome of one-stage total knee arthroplasty (TKA) and long stem for patients with varied grades of knee arthritis and proximal tibia stress fractures.  Methods: We analysed 20 patients from April 2012 to March 2017 with proximal tibia stress fractures associated with knee osteoarthritis of varied grades. Out of 20 patients, five were acute fresh fractures...
2018: SICOT-J
https://www.readbyqxmd.com/read/29653241/navigation-for-lower-limb-alignment-during-internal-fixation-of-complex-tibial-plateau-fractures
#13
B Vibert, R Pailhé, V Morin, B Rubens-Duval, D Saragaglia
In complex fractures of the proximal tibial metaphysis and epiphysis, possible adverse outcomes after internal fixation include not only joint surface incongruity, but also lower limb malalignment requiring revision surgery. Navigation has been proven effective for the intra-operative control of lower limb alignment during osteotomy and knee arthroplasty. In complex traumatic fractures, temporary fixation by a locking screw plate allows sensor positioning followed by navigation manoeuvres to adjust lower limb alignment...
April 10, 2018: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/29651561/survival-and-functional-outcome-of-high-tibial-osteotomy-for-medial-knee-osteoarthritis-a-10-20-year-cohort-study
#14
A F Y van Wulfften Palthe, N D Clement, O P P Temmerman, B J Burger
BACKGROUND: The primary aim of this study was to identify independent predictors of long-term survivorship after high tibial osteotomy (HTO). The secondary aims were to describe the functional outcome of surviving HTO 10-20 years after surgery. METHODS: A retrospective cohort of 223 HTO that were performed for the treatment of medial osteoarthritis was identified. Details were recorded from the patient notes. All surviving patients were contacted and asked to complete a Tegner Activity Scale, Lysholm Knee Score and rate pain using the Visual Analogue Scale (VAS)...
April 12, 2018: European Journal of Orthopaedic Surgery & Traumatology: Orthopédie Traumatologie
https://www.readbyqxmd.com/read/29629916/distal-femoral-varus-osteotomy-for-the-management-of-valgus-deformity-of-the-knee
#15
Seth L Sherman, Samuel F Thompson, John C F Clohisy
Distal femoral varus osteotomy is a well-described treatment option for patients with valgus malalignment associated with a variety of underlying conditions. This procedure may be the definitive treatment option in active patients with isolated lateral compartment osteoarthritis or posttraumatic arthritis. It may be a useful concomitant procedure in young patients with lateral meniscus deficiency, focal chondral defects, chronic medial collateral ligament insufficiency, and/or patellofemoral instability. Distal femoral varus osteotomy can be performed with medial closing wedge or lateral opening wedge techniques...
May 1, 2018: Journal of the American Academy of Orthopaedic Surgeons
https://www.readbyqxmd.com/read/29622243/editorial-commentary-standing-the-test-of-time-and-sport-fulkerson-tibial-tubercle-osteotomy-of-the-knee
#16
EDITORIAL
Nicola Maffulli
A biplanar osteotomy aiming to anteromedialize the anterior tibial tuberosity to realign the patellofemoral joint described by Prof. Fulkerson is one of the classical operations to address many pathologies of the patellofemoral joint. The procedure is evidence-based and effective for the management of patellofemoral pain and osteoarthritis, confirming that the original ideas and concepts are still valid, and still stand strong. In high-demand patients, the Fulkerson osteotomy offers good opportunities of success in terms of return to sport...
April 2018: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29618149/ankle-and-hindfoot-symptoms-after-medial-open-wedge-high-tibial-osteotomy
#17
Siddharth Mahesh Shah, Jason Roberts, Frederic Picard
Medial open wedge high tibial osteotomy (MOWHTO) is a commonly performed procedure for symptomatic medial compartment osteoarthritis (OA). However, little is known about its effects on ipsilateral ankle or hindfoot. The aim of our study was to determine the incidence of ankle or hindfoot problems after MOWHTO and examine its association with radiological indices. Thirty-five knees (32 patients) undergoing navigated MOWHTO were evaluated for the presence of new-onset ankle or hindfoot symptoms after surgery...
April 4, 2018: Journal of Knee Surgery
https://www.readbyqxmd.com/read/29618147/where-is-the-target-point-to-prevent-cortical-hinge-fracture-in-medial-closing-wedge-distal-femoral-varus-osteotomy
#18
Kyung-Wook Nha, Yong Suk Chang, Oog-Jin Shon, Bum-Jin Shim, Jong Seong Lee, Jun Seop Song, Ji-Hoon Bae
The purpose of this study was to investigate whether the location of the hinge affects the incidence of hinge fracture during medial closing-wedge distal femoral varus osteotomy (DFVO). Twenty knees from 10 fresh-frozen human cadavers (mean age, 75 ± 17 years) were used to perform uniplanar medial closing-wedge DFVO with a 7-mm wedge. Each specimen was randomly assigned to either group A (supracondylar hinge) or group B (lateral condylar hinge). The incidence of hinge fracture and stability was compared between both groups after uniplanar medial closing-wedge DFVO...
April 4, 2018: Journal of Knee Surgery
https://www.readbyqxmd.com/read/29600263/combination-of-high-tibial-osteotomy-and-autologous-bone-marrow-derived-cell-implantation-in-early-osteoarthritis-of-knee-a-preliminary-study
#19
Marco Cavallo, Sayyed-Hadi Sayyed-Hosseinian, Alessandro Parma, Roberto Buda, Massimiliano Mosca, Sandro Giannini
Background: High tibial osteotomy (HTO) is a recommended treatment for medial compartment knee osteoarthritis. Newer cartilage regenerative procedures may add benefits to the results of HTO. In this prospective study we have investigated the safety and also results of HTO associated with autologous bone marrow derived cells (BMDC) implantation in relatively young and middle aged active individuals with early osteoarthritis of the knee. Methods: A total of 24 patients (mean age of 47...
March 2018: Archives of Bone and Joint Surgery
https://www.readbyqxmd.com/read/29599025/the-type-of-approach-does-not-influence-tka-component-position-in-revision-total-knee-arthroplasty-a-clinical-study-using-3d-ct
#20
Filippo-Franco Schiapparelli, Felix Amsler, Michael T Hirschmann
BACKGROUND: The influence of the surgical approach on the position of the prosthetic components in revision of total knee arthroplasties (rTKA) is still not clear. This study compared the medial parapatellar approach (MPA) and lateral parapatellar subvastus approach with tibial tubercle osteotomy (LPA). METHODS: Forty-two consecutive patients underwent rTKA from 2006 to 2016 with either MPA (n=21) or LPA (n=21) because of aseptic loosening, infection, malposition or instability (mean follow-up: 41...
March 26, 2018: Knee
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