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Knee osteotomy

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https://www.readbyqxmd.com/read/28645135/osteotomies-around-the-knee-part-i
#1
Mauricio Kfuri, Philipp Lobenhoffer
No abstract text is available yet for this article.
June 2017: Journal of Knee Surgery
https://www.readbyqxmd.com/read/28642979/-medial-opening-wedge-high-tibial-osteotomy
#2
REVIEW
P Niemeyer, A Stöhr, M Köhne, A Hochrein
OBJECTIVE: Reduction of the load to the medial compartment in patients with medial knee osteoarthritis and varus malalignment. Unloading of the posterolateral complex in varus deformity with complex ligamentous laxity. INDICATIONS: Medial knee osteoarthritis and varus malalignment with largely intact lateral and patellofemoral joint aspect. Complex ligament insufficiency combined with varus deformity. CONTRAINDICATIONS: Substantially impaired range of motion...
June 22, 2017: Operative Orthopädie und Traumatologie
https://www.readbyqxmd.com/read/28641973/changes-in-hip-knee-and-ankle-coronal-alignments-after-total-hip-arthroplasty-with-transverse-femoral-shortening-osteotomy-for-unilateral-crowe-type-iv-developmental-dysplasia-of-the-hip
#3
Abdulhamit Misir, Turan B Kizkapan, Kadir I Yildiz, Mehmet A Kaygusuz, Yakup Alpay, Atakan Ezici
BACKGROUND: To investigate changes in lower extremity coronal alignment in patients with unilateral Crowe type IV developmental dysplasia of the hip who underwent total hip arthroplasty with transverse femoral shortening osteotomy. METHODS: We reviewed the preoperative and 1-year postoperative full-length lower extremity radiographs of 25 patients. Femoral offset (FO), mechanical hip-knee-ankle angle, anatomical axis, mechanical axis deviation (MAD), mechanical lateral proximal femoral angle, anatomical medial proximal femoral angle, mechanical lateral distal femoral angle, anatomical lateral distal femoral angle, knee joint line congruency angle, mechanical medial proximal tibial angle, mechanical lateral distal tibial angle, ankle joint line orientation angle, tibial plafond talus angle, extremity length, and pelvic obliquity were measured on both the operative and nonoperative sides...
June 1, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28638492/importance-of-radiological-evaluation-of-global-spinal-balance-together-with-lower-limb-alignment-in-planning-lumbar-spine-deformity-surgery-illustrative-case-presentation
#4
Mariusz Głowacki, Jerzy Walecki, Przemysław Kołakowski, Danuta Kolońska
BACKGROUND: The presented case illustrates the critical role of a detailed preoperative radiological evaluation in complex spine surgery. CASE REPORT: A 49-year-old patient was admitted for a revision surgery after L3-L5 fusion. Preoperative assessment showed preserved sagittal balance, coronal imbalance and valgus knee deformity. The patient reported pain of 8-10 in VAS (Visual Analogue Scale) and had an ODI (Oswestry Disability Index) of 60%. The first step of the surgery was L2-S1 fusion with decompression and spine deformity correction...
2017: Polish Journal of Radiology
https://www.readbyqxmd.com/read/28634785/-imaging-and-preoperative-planning-for-osteotomies-around-the-knee
#5
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/28633973/patellofemoral-osteoarthritis-progression-and-alignment-changes-after-open-wedge-high-tibial-osteotomy-do-not-affect-clinical-outcomes-at-mid-term-follow-up
#6
Kenichi Goshima, Takeshi Sawaguchi, Kenji Shigemoto, Shintaro Iwai, Akira Nakanishi, Ken Ueoka
PURPOSE: To evaluate the clinical and radiological outcomes of open-wedge high tibial osteotomy (OWHTO) with respect to the patellofemoral joint and to assess whether patellofemoral osteoarthritis (OA) progression and alignment changes after OWHTO affect clinical outcomes. METHODS: Inclusion criteria were consecutive patients who underwent OWHTO from March 2005 to September 2013. Exclusion criteria were loss to follow-up within 2 years and absence of second-look arthroscopy findings at the time of plate removal...
June 17, 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/28632665/effect-of-low-intensity-pulsed-ultrasound-on-bone-healing-at-osteotomy-sites-after-open-wedge-high-tibial-osteotomy
#7
Kenichi Goshima, Takeshi Sawaguchi, Kenji Shigemoto, Sintaro Iwai, Akira Nakanishi, Ken Ueoka
OBJECTIVE: The purpose of this study was to evaluate the effects of low-intensity pulsed ultrasound (LIPUS) on bone healing at osteotomy sites after open wedge high tibial osteotomy (OWHTO). MATERIALS AND METHODS: Twenty-six patients underwent OWHTO without bone grafting. Thirty cases treated with LIPUS (group L) after surgery were compared with 13 cases without LIPUS treatment (group C). We divided the osteotomy gap into the lateral hinge and 4 zones on anteroposterior radiography, and the progression of gap filling was evaluated at 1, 3, and 6 months post-operatively in both groups...
July 2017: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/28632664/outcome-of-low-intensity-pulsed-ultrasound-lipus-for-opening-wedge-high-tibial-osteotomy
#8
Ryusuke Saito, Tsuyoshi Nagase, Tomohiko Tateishi, Sadanori Shimizu, Takuya Kato, Teruhiko Nakagawa, Masamitsu Tsutiya
OBJECTIVE: Opening Wedge High Tibial Osteotomy (OWHTO) for knee osteoarthritis and for osteonecrosis has reported good results. Use of low intensity pulsed ultrasound (LIPUS) after OWHTO had become an option for the treatment of OWHTO since April 2016. The purpose of this study was to examine whether LIPUS has an accelerating effect on synostosis after OWHTO. MATERIALS AND METHODS: The control subjects were 24 patients with a total of 26 knees (9 male with knees and 15 female with 17 knees treated) treated with OWHTO only...
July 2017: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/28629941/does-patella-lowering-improve-crouch-gait-in-cerebral-palsy-comparative-retrospective-study
#9
Eric Desailly, Camille Thévenin-Lemoine, Nejib Khouri
BACKGROUND: Patellalowering aims to improve quadriceps function as a means of correcting crouch gait in patients with cerebral palsy (PC). Few studies have assessed the effects of patella lowering as a component of multilevel surgery. HYPOTHESIS: Including patella lowering into the components of multilevel surgery is beneficial in patients with crouch gait and patella alta. MATERIAL ET METHODS: In 12 lower limbs with patella alta (Caton-Deschamps index >1...
June 16, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28623415/a-stand-alone-lateral-condyle-elevating-trochlear-osteotomy-leads-to-high-residual-instability-but-no-excessive-increase-in-patellofemoral-osteoarthritis-at-12-year-follow-up
#10
S Tigchelaar, J van Sambeeck, S Koeter, A van Kampen
PURPOSE AND HYPOTHESIS: Trochlear osteotomy is a rarely performed procedure, only indicated in selected cases. Due to its nature, it can potentially lead to cartilage damage and subsequent early osteoarthritis. Satisfactory short-term results from lateral condyle-elevating osteotomy have previously been reported. The long-term effects of this procedure on clinical outcomes, patellar stability and radiological osteoarthritis are reported here. METHODS: Sixteen patients (19 knees) with patellar instability due to trochlear dysplasia were included...
June 16, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28600607/-osteotomies-around-the-knee-for-ligament-insufficiency
#11
REVIEW
M J Feucht, T Tischer
BACKGROUND: The osseous geometry of the lower limb has a significant impact on knee instability after ligament injuries, and osseous malalignment has been shown to be a significant risk factor for the failure of ligament reconstruction procedures. Therefore, osteotomies around the knee have gained importance as a combined or isolated treatment option in the ligament deficient and malaligned knee. In addition to unloading of an arthritic knee compartment, osteotomies are also performed to protect a reconstructed ligament and to stabilize the joint without ligament surgery...
June 9, 2017: Der Orthopäde
https://www.readbyqxmd.com/read/28599878/responsiveness-of-the-knee-injury-and-osteoarthritis-outcome-score%C3%A2-koos-and-the-oxford-knee-score-oks-in-japanese-patients%C3%A2-with-high-tibial-osteotomy
#12
Sabine Goldhahn, Ryohei Takeuchi, Norimasa Nakamura, Ryuichi Nakamura, Takeshi Sawaguchi
BACKGROUND: To assess responsiveness of the Japanese Knee Injury and Osteoarthritis Outcome Score (KOOS) and the Oxford Knee Score (OKS) in patients undergoing open-wedge HTO to treat knee osteoarthritis and/or osteonecrosis. METHODS: Patients completed a set of questionnaires before HTO surgery (baseline) and 1 year after surgery. The questionnaires comprised the validated Japanese versions of the KOOS, the OKS, and the SF-36v2 and a visual analogue scale (VAS) for local knee pain and general pain...
June 6, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28597292/-osteotomy-around-the-knee
#13
EDITORIAL
D Pape, S Hinterwimmer
No abstract text is available yet for this article.
June 8, 2017: Der Orthopäde
https://www.readbyqxmd.com/read/28597242/-the-basics-of-knee-osteotomy-clinical-examination-analysis-of-the-deformity-and-correction-planning
#14
REVIEW
C Patsch, F Dirisamer
Clinical results of knee osteotomies are good. A precise preoperative analysis of the deformity in three dimensions and accurate planning of the correction osteotomy is essential. All pathologies of the knee and the surrounding joints must be considered. The opening wedge technique and locking plate systems have improved accuracy and reliability. An analysis of deformities and the planning of their correction is presented in this article. Access to the extent of the correction according to the level of degeneration has proven useful in clinical praxis...
June 9, 2017: Der Orthopäde
https://www.readbyqxmd.com/read/28597058/-flexion-and-extension-osteotomy-of-the-knee
#15
T Diermeier, A B Imhoff, K Beitzel
OBJECTIVES: Flexion and extension osteotomy of the knee for symptomatic malalignment in the sagittal plane. INDICATIONS: Congenital/posttraumatic bony deficiencies in flexion/pathologic hyperextension in the knee. Additional treatment for ligament reconstruction. CONTRAINDICATIONS: Absolute: Infection, critical soft tissue situation, circulatory disorders. Relative: Osteoporosis, heavy smoker, obesity, reduced patient compliance. SURGICAL TECHNIQUE: Diagnostic arthroscopy of the knee...
June 9, 2017: Operative Orthopädie und Traumatologie
https://www.readbyqxmd.com/read/28593581/intraoperative-adjustment-of-alignment-under-valgus-stress-reduces-outliers-in-patients-undergoing-medial-opening-wedge-high-tibial-osteotomy
#16
Man Soo Kim, Jong Min Son, In Jun Koh, Ji Hoon Bahk, Yong In
INTRODUCTION: A considerable percentage of outliers with under- or over-correction continue to be reported despite precise preoperative planning and cautious intraoperative correction of lower limb alignment in medial opening-wedge high tibial osteotomy (MOWHTO). The purpose of this study was to determine whether our novel technique for the intraoperative adjustment of alignment under valgus stress reduces the number of outliers in patients undergoing MOWHTO compared to the conventional technique, which corrects alignment according to the cable method only...
June 7, 2017: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/28593359/guided-growth-for-valgus-deformity-correction-of-knees-in-a-girl-with-osteopetrosis-a-case-report
#17
Dmitry Popkov
Autosomal dominant osteopetrosis (Albers-Schönberg disease) classically displays the radiographic signs of osteosclerosis. The main ADO complications involve the skeleton: low-impact bone fractures, scoliosis and hip osteoarthritis. Management of osteopetrosis-related orthopedic problems is a surgical challenge due to increased bone density. The healing process is very slow in these patients because of bone remodeling defects related to osteoblast function failure. In case of bone deformities, a realignment method should be appropriated to osteopetrosis conditions...
June 7, 2017: Strategies in Trauma and Limb Reconstruction
https://www.readbyqxmd.com/read/28591932/the-rationale-of-osteotomy-around-the-knee
#18
Philipp Lobenhoffer
No abstract text is available yet for this article.
June 2017: Journal of Knee Surgery
https://www.readbyqxmd.com/read/28591931/high-tibial-osteotomy-for-the-correction-of-varus-knee-deformity
#19
Mauricio Kfuri, Philipp Lobenhoffer
No abstract text is available yet for this article.
June 2017: Journal of Knee Surgery
https://www.readbyqxmd.com/read/28577508/change-in-gait-after-high-tibial-osteotomy-a-systematic-review-and-meta-analysis
#20
Seung Hoon Lee, O-Sung Lee, Seow Hui Teo, Yong Seuk Lee
We conducted a meta-analysis to analyze how high tibial osteotomy (HTO) changes gait and focused on the following questions: (1) How does HTO change basic gait variables? (2) How does HTO change the gait variables in the knee joint? Twelve articles were included in the final analysis. A total of 383 knees was evaluated. There were 237 open wedge (OW) and 143 closed wedge (CW) HTOs. There were 4 level II studies and 8 level III studies. All studies included gait analysis and compared pre- and postoperative values...
May 26, 2017: Gait & Posture
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