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Journal of Orthopaedic Surgery

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https://www.readbyqxmd.com/read/28748740/the-use-of-fluoroscopic-guided-percutaneous-pedicle-screws-in-the-upper-thoracic-spine-t1-t6-is-it-safe
#1
Mun Keong Kwan, Chee Kidd Chiu, Chris Yin Wei Chan, Reza Zamani, Nils Hansen-Algenstaedt
PURPOSE: This study analysed the accuracy and safety of the fluoroscopic guided percutaneous screws in the upper thoracic vertebrae (T1-T6). METHODS: Computed tomography scans from 74 patients were retrospectively evaluated between January 2008 and December 2012. Pedicle perforations were classified by two types of grading systems. For medial, lateral, superior and inferior perforations: grade 0 - no violation; grade 1 - <2 mm; grade 2 - 2-4 mm and grade 3 - >4 mm...
May 2017: Journal of Orthopaedic Surgery
https://www.readbyqxmd.com/read/28735561/isolated-revision-of-the-acetabular-component-using-alumina-on-alumina-bearings-without-a-metal-sleeve-a-preliminary-study
#2
Kuan-Ting Wu, Jun-Wen Wang, Yu-Der Lu, Shih-Hsiang Yen, Mel S Lee
INTRODUCTION: There has been a debate on the use of ceramic-on-ceramic coupling with the retained femoral stem in isolated acetabular revision. The purpose of this study was to retrospectively review the results and complications of isolated revision of the acetabular component using alumina-on-alumina bearings. METHODS: Between August 2010 and December 2013, 22 patients (23 hips) with a mean age of 60.74 years (40-73) underwent isolated revision of the acetabular component from metal-on-polyethylene to alumina-on-alumina bearings without using a metal sleeve on the undamaged trunnion...
May 2017: Journal of Orthopaedic Surgery
https://www.readbyqxmd.com/read/28735560/promotion-of-fracture-healing-by-conjugated-linoleic-acid-in-rats
#3
Zhongshu Shan, Zong-Ping Luo, Xiaozhong Shen, Liang Chen
BACKGROUND: The ability of fracture healing in Tibetans is significantly superior to Chinese Hans, which may attribute to factors from diet, altitude to physical conditions. Conjugated linoleic acid (CLA) is an important ingredient in Tibetan diet, playing a role in antioxidation, antiatherosclerosis, and decrease in body fat accumulation.  Methods: This study further quantified CLA effect in fracture healing in rats using combined structural evaluation (X-ray and micro-computed tomography), biomechanical test, and histological examination...
May 2017: Journal of Orthopaedic Surgery
https://www.readbyqxmd.com/read/28731366/chondromyxoid-fibroma-of-the-distal-fibula-treated-by-percutaneous-radiofrequency-ablation
#4
Tamar Berenstein-Weyel, Ehud Lebel, Daniela Katz, Yaakov Applbaum, Amos Peyser
BACKGROUND: Percutaneous radiofrequency ablation (RFA) has been shown to be an effective treatment for soft tissue lesions and also benign bone tumors, especially osteoid osteoma. There are limited data regarding this technique in other bone tumors, specifically larger and more aggressive ones. PURPOSES: To describe the use of RFA as a definitive treatment and an alternative to traditional open surgery for the treatment of chondromyxoid fibroma (CMF), a benign but locally aggressive bone tumor...
May 2017: Journal of Orthopaedic Surgery
https://www.readbyqxmd.com/read/28705124/the-accuracy-and-safety-of-fluoroscopic-guided-percutaneous-pedicle-screws-in-the-thoracic-and-lumbosacral-spine-in-the-asian-population-a-ct-scan-analysis-of-1002-screws
#5
Chee Kidd Chiu, Chris Yin Wei Chan, Mun Keong Kwan
PURPOSE: This study investigates the safety and accuracy of percutaneous pedicle screws placed using fluoroscopic guidance in the thoracolumbosacral spine among Asian patients. METHODS: Computerized tomography scans of 128 patients who had surgery using fluoroscopic-guided percutaneous pedicle screws were selected. Medial, lateral, superior, and inferior screw perforations were classified into grade 0 (no violation), grade 1 (<2 mm perforation), grade 2 (2-4 mm perforation), and grade 3(>4 mm perforation)...
May 2017: Journal of Orthopaedic Surgery
https://www.readbyqxmd.com/read/28705123/surgery-of-patellar-fractures-using-a-medial-parapatellar-approach
#6
Yong-Cheol Yoon, Jae-Ang Sim, Jin-Hun Hong
PURPOSE: The general surgical approach for patellar fractures has a significant weakness, in that the articular facet is invisible because the fixation is performed using radiation amplifiers after exposing the fracture site through vertical or transverse dissection on the anterior patella. We report excellent outcomes in the surgical treatment of patellar fractures, using a medial parapatellar approach. METHODS: This study evaluated 20 patients who underwent surgery between August 2008 and April 2014 to correct patellar fractures with comminution or with displacement of the articular facet of ≥2 mm and who had ≥1 year of follow-up...
May 2017: Journal of Orthopaedic Surgery
https://www.readbyqxmd.com/read/28699406/disruption-of-quadriceps-tendon-after-total-knee-arthroplasty-case-report-of-four-cases
#7
J W Soong, A N Silva, Tan Hc Andrew
Quadriceps tendon rupture after total knee arthroplasty (TKA) is a rare but dire complication. It is associated with adverse outcomes and morbidities. Studies on such complications are scarce in the literature. In this study, we share our experience in the management of four patients who sustained quadriceps tendon rupture in the early postoperative period. Efforts should be focused on prevention. Meticulous surgical techniques during the medial parapatellar approach to preserve the integrity of quadriceps can reduce the risk of rupture...
May 2017: Journal of Orthopaedic Surgery
https://www.readbyqxmd.com/read/28699405/cut-off-values-of-the-japanese-orthopaedic-association-score-corresponding-to-constant-scores-for-evaluating-outcomes-in-rotator-cuff-tear
#8
Junichi Kawakami, Masafumi Gotoh, Koumei Matsuura, Kunichika Shin, Ikuhisa Fujito, Aya Tanaka, Saho Matsunaga, Takaki Imai, Takashi Nagamatsu, Kazuya Madokoro, Naoto Shiba
PURPOSE: To clarify the cut-off value of the Japanese Orthopaedic Association (JOA) score corresponding to rotator cuff tear outcome as evaluated by the Constant score. METHODS: The subjects were 230 patients with rotator cuff tear. The Constant and JOA scores on the first examination in our hospital were evaluated. After investigation of the correlation between the Constant and JOA scores, the cut-off JOA score was calculated, corresponding to excellent, good and fair outcomes as evaluated by the Constant score...
May 2017: Journal of Orthopaedic Surgery
https://www.readbyqxmd.com/read/28699404/improved-external-rotation-with-concomitant-reverse-total-shoulder-arthroplasty-and-latissimus-dorsi-tendon-transfer-a-systematic-review
#9
Aaron Wey, John C Dunn, Nicholas Kusnezov, Brian R Waterman, Kelly G Kilcoyne
BACKGROUND: In conjunction with reverse total shoulder arthroplasty (RSA), latissimus dorsi and teres major (LD-TM) transfer has been advocated in the setting of combined loss of elevation and external rotation. The purpose of this systematic review is to summarize the clinical outcomes following RSA with LD-TM transfer. METHODS: A search of PubMed, EMBASE, CINAHL, Medline, and Cochrane databases was performed between January 1, 1990 and March 1, 2016 and included articles related to outcomes following RSA with LD-TM transfer...
May 2017: Journal of Orthopaedic Surgery
https://www.readbyqxmd.com/read/28685666/mri-findings-of-lumbar-spine-instability-in-degenerative-spondylolisthesis
#10
Il Youp Cho, Si Young Park, Jong Hoon Park, Seung Woo Suh, Soon Hyuck Lee
PURPOSE: To find out the factors suggesting lumbar segmental instability in patients with degenerative spondylolisthesis (DS) on conventional magnetic resonance imaging (MRI). METHODS: Ninety-four patients with DS who underwent decompression surgery with or without fusion were selected. Patient demographics and findings on simple radiographs and MRI were analyzed. We divided patients into two groups by the presence of lumbar instability on simple standing plain radiographs and measured degeneration status of intervertebral discs and facet joints and distance of facet fluid signal on T2 axial MRI on each groups...
May 2017: Journal of Orthopaedic Surgery
https://www.readbyqxmd.com/read/28685665/effect-of-sodium-hyaluronate-carboxymethyl-cellulose-guardix-sol-on-retear-rate-and-postoperative-stiffness-in-arthroscopic-rotator-cuff-repair-patients-a-prospective-cohort-study
#11
Jeung Yeol Jeong, Pill Ku Chung, Jae Chul Yoo
PURPOSE: Hyaluronate-based anti-adhesive agents are expected to enhance rotator cuff healing; however, their effect on the incidence and extent of postoperative complications such as stiffness and retears has not been investigated. METHODS: From July 2012 to February 2013, 80 patients undergoing arthroscopic rotator cuff repair surgery were prospectively enrolled. Forty patients were assigned to the control group, while the other 40 were assigned to the injection group and received a Guardix-sol injection immediately after surgery...
May 2017: Journal of Orthopaedic Surgery
https://www.readbyqxmd.com/read/28685664/wide-resection-versus-curettage-with-adjuvant-therapy-for-giant-cell-tumour-of-bone
#12
Yang Yibo, Yao Maojin, Li Hui, Xiao Tao
No abstract text is available yet for this article.
May 2017: Journal of Orthopaedic Surgery
https://www.readbyqxmd.com/read/28685663/arthroscopic-treatment-of-osteochondral-lesions-of-the-talus-nanofracture-versus-hyaluronic-acid-based-cell-free-scaffold-with-concentration-of-autologous-bone-marrow-aspirate
#13
Mesut Tahta, Mustafa Akkaya, Safa Gursoy, Cetin Isik, Murat Bozkurt
PURPOSE: We aimed to evaluate the early clinical and radiological outcomes of arthroscopic one-stage treatment with hyaluronic acid-based cell-free scaffold (HACS) in combination with a concentration of autologous bone marrow aspirate (CBMA) technique compared to nanofracture (NF). METHODS: A retrospective evaluation was made of all the patients with focal osteochondral lesions of the talus that were treated between January 2012 and January 2015. Ninety-eight patients met the criteria and were enrolled in the study...
May 2017: Journal of Orthopaedic Surgery
https://www.readbyqxmd.com/read/28681675/expert-consensus-for-pvcr-in-severe-rigid-and-angular-spinal-deformity-treatment-the-kunming-consensus
#14
Jing-Ming Xie, Zhong-Qiang Chen, Jian-Xiong Shen, Xue-Song Zhang, Cao Yang, Zhao-Min Zheng, Bang-Ping Qian, Shiau-Tzu Tzeng, Hui-Zhong Tian, Chao Li, Ji Wu, Zeng-Hui Wu, Wen-Yuan Ding, Yuan Ma, Shi-Xin Du, Yu-Shu Bai, Ying-Song Wang, Li-Min Liu, Hua Yang, Zhuo-Jia Zhou, Shi-Ming Xie, Qi Cao, Zhao Yang
In the past decades, an increasing number of surgeons started using posterior vertebral column resection (PVCR) to treat severe, rigid and angular spinal deformities. Little high-level evidence is available to guide surgical treatment. The aims of our study were to identify important surgical strategies and key technical points of Chinese experts who have extensive experience in the management of severe, rigid and angular spinal deformities using PVCR, and to standardize and unify the current core concepts...
May 2017: Journal of Orthopaedic Surgery
https://www.readbyqxmd.com/read/28681674/total-hip-arthroplasty-after-failed-osteosynthesis-of-proximal-femoral-fractures-revision-and-mortality-of-80-patients
#15
Franz Müller, Michael Galler, Michael Zellner, Christian Bäuml, Bernd Füchtmeier
PURPOSE: Total hip arthroplasty (THA) after failed osteosynthesis for proximal femoral fractures is associated with higher revision rates, particularly for dislocation. The purpose of this study was to report our results with THA after failed osteosynthesis within a treatment period of 10 years. METHODS: A retrospective cohort study including 80 consecutive patients was conducted. After a minimum follow-up of 1 year, we evaluated revision for any cause including dislocation, outcome, and mortality...
May 2017: Journal of Orthopaedic Surgery
https://www.readbyqxmd.com/read/28681673/operative-methods-for-delayed-paralysis-after-osteoporotic-vertebral-fracture
#16
Tsukasa Kanchiku, Yasuaki Imajo, Hidenori Suzuki, Yuichiro Yoshida, Norihiro Nishida, Masahiro Funaba, Toshihiko Taguchi
PURPOSE: How to select operative methods for delayed paralysis after osteoporotic vertebral fracture remains a matter of debate. It is unclear which procedure provides better neurological and functional recovery. This study aimed to compare the various operative methods and investigate postoperative outcomes. METHODS: The study included 42 delayed paralysis patients (mean age 73.7 years). The operative methods were posterior spinal shortening osteotomy with direct decompression and short or long fusion and posterior laminectomy and short fusion with vertebroplasty...
May 2017: Journal of Orthopaedic Surgery
https://www.readbyqxmd.com/read/28681672/current-practice-in-the-management-of-rockwood-type-iii-acromioclavicular-joint-dislocations-national-survey
#17
Peter Domos, Frank Sim, Mike Dunne, Andrew White
PURPOSE: Our aim was to conduct this survey among consultant shoulder surgeons in the United Kingdom to document the current management of Rockwood type III acromioclavicular joint (ACJ) injuries. METHODS: British Elbow and Shoulder Society Research Committee-approved online survey was used and 137 responses were collected within 3 months. RESULTS: One hundred percent of responders would treat type III injuries conservatively initially. Routine physiotherapy would be offered by 86% of surgeons...
May 2017: Journal of Orthopaedic Surgery
https://www.readbyqxmd.com/read/28681671/sequentially-annealed-highly-cross-linked-polyethylene-reduced-in-vivo-wear-particle-generation-in-total-knee-arthroplasty
#18
Yukihide Minoda, Kanako Hata, Katsuko Goto, Tomonobu Itohara, Hiroaki Nakamura
INTRODUCTION: Sequentially annealed highly cross-linked polyethylene (HXLPE) was recently introduced to reduce the wear in total knee arthroplasty (TKA). However, an in vivo advantage of sequentially annealed HXLPE on wear particle generation is still controversial. The purpose of this study is to compare the characteristics of in vivo wear particles between sequentially annealed HXLPE and conventional polyethylene after TKA. MATERIALS AND METHODS: Synovial fluid was obtained from the eight knees with sequentially annealed HXLPE and from eight knees with conventional polyethylene 12 months after the operation...
May 2017: Journal of Orthopaedic Surgery
https://www.readbyqxmd.com/read/28675978/concomitant-slap-repair-does-not-influence-the-surgical-outcome-for-arthroscopic-bankart-repair-of-traumatic-shoulder-dislocations
#19
Nuri Aydin, Mehmet Bekir Unal, Mustafa Asansu, Okan Tok
BACKGROUND: Prior studies revealed the presence of superior labrum anterior-to-posterior (SLAP) injury together with Bankart lesions in some patients. The purpose of the study is to compare the clinical results of isolated Bankart repairs with the clinical results of Bankart repairs when performed with concomitant SLAP repairs. METHODS: The patients who underwent arthroscopic surgery for treatment of anterior glenohumeral instability were evaluated retrospectively...
May 2017: Journal of Orthopaedic Surgery
https://www.readbyqxmd.com/read/28675977/the-reliability-of-measuring-acetabular-component-position-on-radiographs-using-everyday-diagnostic-imaging-software
#20
Jack Lahy, Jarrad Stevens, Dean McKenzie, Richard de Steiger
BACKGROUND: It is standard practice for total hip arthroplasty (THA) patients to have post-operative imaging, and one of the reasons is to assess the adequacy of acetabular component position. Correct positioning of the acetabular component is important for successful outcome in THA. Acetabular component position can be measured from either computed tomography (CT) or plain radiographs. While CT is the gold standard for accurately measuring acetabular component position, radiographs are routinely used for post-operative evaluation...
May 2017: Journal of Orthopaedic Surgery
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