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Journal of Orthopaedic Surgery and Research

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https://www.readbyqxmd.com/read/28637481/arthroscopic-treatment-of-focal-osteochondral-lesions-of-the-first-metatarsophalangeal-joint
#1
Ersin Kuyucu, Harun Mutlu, Serhat Mutlu, Baris Gülenç, Mehmet Erdil
BACKGROUND: Although arthroscopic surgical treatment of the first metatarsophalangeal (MTP) joint involves painful sesamoid excision, synovectomy, debridement, and partial cheilectomy, no gold standard treatment technique has been defined in the literature for hallux rigidus and focal osteochondral lesions. This study aimed to assess the arthroscopic treatment for early-grade focal osteochondral lesions of the first MTP joint and to determine the impact of arthroscopic microhole drill surgery on foot function and activities of daily living in a group of patients who failed conservative treatment...
June 21, 2017: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/28637509/genetic-effects-of-rs3740199-polymorphism-in-adam12-gene-on-knee-osteoarthritis-a-meta-analysis
#2
Zheng Hao, Xin Li, Jin Dai, Baocheng Zhao, Qing Jiang
BACKGROUND: Knee osteoarthritis (OA) is a complex arthritic condition in which genetic factors play an important role. ADAM12 gene is one of the recognized candidate genes although the results are conflicting. To derive a more precise estimation of the association between rs3740199 polymorphism in ADAM12 gene and risk of knee OA, we performed a meta-analysis based on six related studies, including a total of 2185 cases and 3716 controls. METHODS: A comprehensive search was performed to identify related studies up to April 14, 2017...
June 20, 2017: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/28615059/analysis-of-factors-that-affect-the-precision-of-the-radiographic-lateral-femoral-bowing-angle-using-a-three-dimensional-computed-tomography-based-modelling-technique
#3
Ye-Ran Li, Yu-Hang Gao, Xin Qi, Jian-Guo Liu, Lu Ding, Chen Yang, Zheng Zhang, Shu-Qiang Li
BACKGROUND: Precise measurement of lateral femoral bowing is important to achieve postoperative lower limb alignment. We aimed to investigate factors that affect the precision of the radiographic lateral femoral bowing (RLFB) angle using three-dimensional (3D) models and whether the angle affects surgery design. METHODS: Forty femurs in total were divided into two groups based on their preoperative RLFB angle. The flexion contracture angle, preoperative and postoperative RLFB angles, and intersection angle between the mechanical and anatomical axes were compared...
June 14, 2017: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/28615040/immunohistochemical-and-immunocytochemical-study-of-mechanoreceptors-in-anterior-cruciate-ligament-reconstruction-with-the-remnant-preserving-technique-using-achilles-tendon-allografts
#4
Keun Churl Chun, Sung Hyun Lee, Jeong Woo Kim, Eun Jung Jin, Kwang Mee Kim, Churl Hong Chun
BACKGROUND: Attempts have been made to validate the significance of remnant preservation with anterior cruciate ligament (ACL) reconstruction using immunohistochemical and immunocytochemical techniques. The purpose of this study was to examine the expression of mechanoreceptors in the remnant tissue of ACL reconstruction performed with the remnant-preserving technique. METHODS: Tissue samples were obtained from 10 patients who underwent ACL reconstruction with the remnant-preserving technique...
June 14, 2017: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/28615032/evaluation-of-computed-tomography-post-processing-images-in-postoperative-assessment-of-lisfranc-injuries-compared-with-plain-radiographs
#5
Haobo Li, Yanxi Chen, Minfei Qiang, Kun Zhang, Yuchen Jiang, Yijie Zhang, Xiaoyang Jia
BACKGROUND: The objective of this study is to evaluate the value of computed tomography (CT) post-processing images in postoperative assessment of Lisfranc injuries compared with plain radiographs. METHODS: A total of 79 cases with closed Lisfranc injuries that were treated with conventional open reduction and internal fixation from January 2010 to June 2016 were analyzed. Postoperative assessment was performed by two independent orthopedic surgeons with both plain radiographs and CT post-processing images...
June 14, 2017: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/28610593/erratum-to-mirna-expression-in-the-cartilage-of-patients-with-osteoarthritis
#6
Marta Kopańska, Dariusz Szala, Joanna Czech, Natalia Gabło, Krzysztof Gargasz, Mateusz Trzeciak, Izabela Zawlik, Sławomir Snela
No abstract text is available yet for this article.
June 13, 2017: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/28606159/thresholds-for-oxford-knee-score-after-total-knee-replacement-surgery-a-novel-approach-to-post-operative-evaluation
#7
Christian Lund Petersen, Jonas Bruun Kjærsgaard, Nicolai Kjærgaard, Michael Ulrich Jensen, Mogens Berg Laursen
BACKGROUND: In a prospective cohort study, we wanted to detect thresholds distinguishing between patients with a satisfactory and an unsatisfactory outcome after total knee replacement (TKR) based on Patient-Reported Outcome Measures (PROMs), namely the Oxford Knee Score (OKS), using patient satisfaction and patient-perceived function as global transition items. METHODS: Seventy-three TKR patients completed the OKS questionnaire before surgery and were invited to complete the same questionnaire again 6 (4 to 9) months after surgery...
June 12, 2017: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/28606158/open-surgical-implantation-of-a-viable-cryopreserved-placental-membrane-after-decompression-and-neurolysis-of-common-peroneal-nerve-a-case-series
#8
E Rodriguez-Collazo, Y Tamire
BACKGROUND: The purpose of this study is to report on the rehabilitative outcomes associated with common peroneal nerve (CPN) decompression and neurolysis revision when performed with open surgical implantation of a viable cryopreserved placental membrane (vCPM). METHODS: Seven patients who underwent secondary CPN decompression and neurolysis with open surgical implantation of a viable cryopreserved placental membrane (vCPM) after previously failed surgery without vCPM utilization were identified through a retrospective medical record review and outcomes were analyzed...
June 12, 2017: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/28599660/does-the-location-of-placement-of-meniscal-sutures-have-a-clinical-effect-in-the-all-inside-repair-of-meniscocapsular-tears
#9
Uğur Tiftikçi, Sancar Serbest
BACKGROUND: Meniscocapsular separation (MCS) is a lesion of the area which is attached from the peripheral section of the meniscus to the capsule and is seen less often than other meniscus injuries. The aim of this study was to investigate which of the different side applications of all-inside MCS repair of the meniscus was better in respect of clinical and functional results. METHODS: In this retrospective study, 53 patients with MCS pattern in their knee joints were treated with arthroscopic meniscus repair made with the all-inside method...
June 9, 2017: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/28595648/investigation-and-management-of-osteoporosis-in-aged-trauma-patients-a-treatment-algorithm-adapted-to-the-german-guidelines-for-osteoporosis
#10
Carl Neuerburg, Lena Mittlmeier, Ralf Schmidmaier, Christian Kammerlander, Wolfgang Böcker, Wolf Mutschler, Ulla Stumpf
BACKGROUND: Osteoporosis-associated fractures are of increasing importance in trauma surgery. Systematic diagnostics and treatment of osteoporosis during a hospital stay, however, remain inadequate. Therefore, a specific algorithm for diagnosing and treating osteoporosis in trauma surgery patients was developed based on the DVO (German Osteology Society) guideline for osteoporosis from 2014. METHODS: In a first step, the individuals' age and risk profile for osteoporosis is identified considering specific fractures indicating osteoporosis and risk factors assessed by a specific questionnaire...
June 8, 2017: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/28592324/comparison-of-local-infiltration-analgesia-and-sciatic-nerve-block-for-pain-control-after-total-knee-arthroplasty-a-systematic-review-and-meta-analysis
#11
Li-Ping Ma, Ying-Mei Qi, Dong-Xu Zhao
BACKGROUND: This meta-analysis aimed to perform a meta-analysis to evaluate the efficiency and safety between local infiltration analgesia (LIA) and sciatic nerve block (SNB) when combined with femoral nerve block (FNB) after total knee arthroplasty (TKA). METHODS: A systematic search was performed in MEDLINE (1966-2017.04), PubMed (1966-2017.04), Embase (1980-2017.04), ScienceDirect (1985-2017.04), and the Cochrane Library. Only high-quality studies were selected...
June 7, 2017: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/28587657/modified-pedicle-screw-rod-fixation-as-a-minimally-invasive-treatment-for-anterior-pelvic-ring-injuries-an-initial-case-series
#12
Xiaotian Wu, Zuoqing Liu, Wenqin Fu, Shan Zhao, Juntao Feng
BACKGROUND: Unstable pelvic ring injuries often involve high mortality and morbidity. This study was aimed to evaluate the modified minimally invasive pedicle screw-rod fixation for anterior pelvic ring injuries, in the respects of its feasibility, merits, and limitations. METHODS: Twenty-three patients with unstable pelvic ring injuries underwent the modified anterior pedicle screw-rod fixation, with or without posterior fixation. The clinical outcomes were assessed using Majeed scores, and the quality of reduction was evaluated according to the criteria of Matta...
June 6, 2017: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/28583192/isolated-talonavicular-arthrodesis-and-talonavicular-cuneiform-arthrodesis-for-the-m%C3%A3-ller-weiss-disease
#13
Hong-Hui Cao, Wei-Zhong Lu, Kang-Lai Tang
BACKGROUND: The study aimed to introduce the isolated talonavicular and talonavicular-cuneiform arthrodesis for the stage III and IV Müller-Weiss disease and analyze their clinical outcomes. METHODS: Thirty patients of stage III and IV Müller-Weiss disease were divided into the talonavicular (TN) arthrodesis group and the talonavicular-cuneiform (TNC) arthrodesis group according to the perinavicular osteoarthritis by MRI scans. For the isolated talonavicular arthrodesis group, 16 patients underwent talonavicular arthrodesis with two 4...
June 5, 2017: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/28583144/extramedullary-versus-intramedullary-femoral-alignment-technique-in-total-knee-arthroplasty-a-meta-analysis-of-randomized-controlled-trials
#14
Qian Tang, Ping Shang, Gang Zheng, Hua-Zi Xu, Hai-Xiao Liu
BACKGROUND: There is no consensus whether the use of the extramedullary femoral cutting guide takes advantage over the intramedullary one in total knee arthroplasty. The aim of this study was to compare the extramedullary femoral alignment guide system with the conventional intramedullary alignment guide system for lower limb alignment, blood loss, and operative time during total knee arthroplasty. METHODS: The Medline, Embase, Cochrane Library, China National Knowledge Infrastructure (CNKI), Wan Fang Chinese Periodical, Google, and reference lists of all the included studies were searched for randomized controlled trials...
June 5, 2017: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/28578684/metal-on-metal-hip-resurfacing-in-patients-younger-than-50%C3%A2-years-a-retrospective-analysis-1285-cases-12-year-survivorship
#15
Melissa D Gaillard, Thomas P Gross
BACKGROUND: The Nordic registry reports patients under 50 years old with total hip replacements realize only 83% 10-year implant survivorship. These results do not meet the 95% 10-year survivorship guideline posed by the UK's National Institute for Health and Care Excellence (NICE) in 2014. METHODS: The purpose of this study is threefold: First, we evaluate if metal-on-metal hip resurfacing arthroplasty meets these high standards in younger patients. Next, we compare outcomes between age groups to determine if younger patients are at higher risk for revision or complication...
June 2, 2017: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/28577573/differences-in-placement-of-calcium-phosphate-hybridized-tendon-grafts-within-the-femoral-bone-tunnel-during-acl-reconstruction-do-not-influence-tendon-to-bone-healing
#16
Hirotaka Mutsuzaki, Hiromi Nakajima, Shunsuke Nomura, Masataka Sakane
BACKGROUND: Calcium phosphate (CaP)-hybridization of tendon grafts has been shown to improve tendon-to-bone healing. The purpose of this study was to clarify the influence of different tendon graft placement methods on tendon-to-bone healing using CaP-hybridized tendon grafts in anterior cruciate ligament (ACL) reconstructions in rabbits. METHODS: We compared two methods of tendon graft placement within the femoral bone tunnel: suspension of the tendon graft within the bone tunnel (suspension group) and implantation of the tendon graft coherent with the bone socket (coherence group)...
June 2, 2017: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/28577354/clinical-outcomes-of-arthroscopic-surgery-for-external-snapping-hip
#17
Amrit Shrestha, Peng Wu, Heng'an Ge, Biao Cheng
BACKGROUND: Studies have reported on the arthroscopic technique for release of external snapping hip syndrome. However, no study with large sample size has been reported for arthroscopic surgery. METHODS: Patients with 229 bilateral and 19 unilateral external snapping hips were treated from January 2012 to June 2013. After locating the contracture position, arthroscopic surgery was performed accordingly. Preoperative and postoperative angles were compared. RESULTS: Comparing range of motion, all patients obtained higher adduction and flexion angles...
June 2, 2017: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/28558765/sustentacular-screw-placement-with-guidance-during-orif-of-calcaneal-fracture-an-anatomical-specimen-study
#18
Chen Wang, Dichao Huang, Xin Ma, Xu Wang, Jiazhang Huang, Chao Zhang, Li Chen, Xiang Geng
BACKGROUND: The sustentacular screw is essential to maintain the stability of the subtalar joint during ORIF (open reduction with internal fixation) of calcaneal fractures. Currently, the screw is still inserted based on surgeons' anatomical experiences and nearly 40% of screws are misplaced from the sustentaculum. Previous studies demonstrated some methods of sustentacular screw placement through anatomical measurements or navigation system. The purposes of this study are to design an assistant guidance device that can effectively improve the accuracy of sustentacular screw placement and to compare the accuracy of this technique with traditional screw placement based on experience...
May 30, 2017: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/28532505/do-small-changes-in-rotation-affect-measurements-of-lower-extremity-limb-alignment
#19
Amir A Jamali, John P Meehan, Nathan M Moroski, Matthew J Anderson, Ramit Lamba, Carol Parise
BACKGROUND: The alignment of the lower extremity has important implications in the development of knee arthritis. The effect of incremental rotations of the limb on common parameters of alignment has not been studied. The purpose of the study was to (1) determine the standardized neutral position measurements of alignment and (2) determine the effect of rotation on commonly used measurements of alignment. METHODS: Eighty-seven full length CT angiography studies (49 males and 38 females, average age 66 years old) were included...
May 22, 2017: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/28521818/in-vivo-evaluation-of-microglia-activation-by-intracranial-iron-overload-in-central-pain-after-spinal-cord-injury
#20
Fan Xing Meng, Jing Ming Hou, Tian Sheng Sun
BACKGROUND: Central pain (CP) is a common clinical problem in patients with spinal cord injury (SCI). Recent studies found the pathogenesis of CP was related to the remodeling of the brain. We investigate the roles of iron overload and subsequent microglia activate in the remodeling of the brain after SCI. METHODS: An SCI-induced CP model was established in Sprague-Dawley rats that were randomly assigned to SCI, sham operation, deferoxamine (DFX), minocycline, and nitric oxide synthase inhibitor treatment groups...
May 18, 2017: Journal of Orthopaedic Surgery and Research
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