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Journal of Orthopaedic Surgery and Research

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https://www.readbyqxmd.com/read/30424794/the-preoperative-predictors-for-subsequent-degeneration-in-l5-s1-disc-after-long-fusion-arthrodesis-terminating-at-l5-in-patients-with-adult-scoliosis-focus-on-spinopelvic-parameters
#1
Changzhi Yan, Xianda Gao, Yadong Sun, Zhen Dong, Yong Shen
BACKGROUND: The subsequent L5-S1 disc degeneration associated with long fusion arthrodesis terminating at L5 in patients with adult scoliosis has been a common concern. However, few studies paid attention to its preoperative predictors, especially in spinopelvic parameters. The purpose of the present study was to clarify the preoperative predictors of subsequent L5-S1 disc degeneration after long fusion arthrodesis terminating at L5 in patients with adult scoliosis on spinopelvic parameters...
November 13, 2018: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/30424787/bioinformatics-analysis-of-differentially-expressed-genes-in-rotator-cuff-tear-patients-using-microarray-data
#2
Yi-Ming Ren, Yuan-Hui Duan, Yun-Bo Sun, Tao Yang, Meng-Qiang Tian
BACKGROUND: Rotator cuff tear (RCT) is a common shoulder disorder in the elderly. Muscle atrophy, denervation and fatty infiltration exert secondary injuries on torn rotator cuff muscles. It has been reported that satellite cells (SCs) play roles in pathogenic process and regenerative capacity of human RCT via regulating of target genes. This study aims to complement the differentially expressed genes (DEGs) of SCs that regulated between the torn supraspinatus (SSP) samples and intact subscapularis (SSC) samples, identify their functions and molecular pathways...
November 13, 2018: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/30419946/upper-tibial-mri-vascular-marks-lost-in-early-knee-osteoarthritis
#3
Michael Beverly, Gil Stamm, Thomas W Hamilton, David W Murray, Hemant G Pandit
BACKGROUND: We describe upper tibial radiating vascular marks on MRI scans. They are lost in early osteoarthritis (OA). METHODS: A literature search revealed no previous description of upper tibial MRI radial vascular marks. Fifty-six consecutive patients with anteroposterior knee X-rays and an axial PD_SPAIR MRI scan of the same knee within 1 year were studied. Their mean age was 53.1 years (range 22-85) with 27 males and 29 females. The medial and lateral compartments of each knee were scored for osteoarthritis using the Kellgren-Lawrence (K-L) classification...
November 12, 2018: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/30419938/magnetic-resonance-imaging-of-the-lisfranc-ligament
#4
A Ablimit, Hui-Yong Ding, Li-Guo Liu
BACKGROUND: The Lisfranc joint has complex structures, and articular surfaces overlap on conventional X-ray radiographs. Hence, there is no available auxiliary examination for diagnosing related injuries. At present, few studies on the imaging of Lisfranc ligaments have been reported, and related imaging data are rare. Therefore, no imaging reference can be used for related diagnosis and repair operations. This study aims to observe and describe the morphology and structure of Lisfranc ligaments using magnetic resonance imaging (MRI), in order to provide imaging reference for the diagnosis and repair of Lisfranc joint injuries...
November 12, 2018: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/30419933/efficacy-and-safety-of-3d-print-assisted-surgery-for-the-treatment-of-pilon-fractures-a-meta-analysis-of-randomized-controlled-trials
#5
REVIEW
Jianzhong Bai, Yongxiang Wang, Pei Zhang, Meiying Liu, Peian Wang, Jingcheng Wang, Yuan Liang
OBJECTIVE: To compare the effects of 3D print-assisted surgery and conventional surgery in the treatment of pilon fractures. METHODS: PubMed, Embase, Web of Science, CNKI, CBM, and WanFang data were searched until July 2018. Two reviewers selected relevant studies, assessed the quality of studies, and extracted data. For continuous data, a weighted mean difference (WMD) and 95% confidence intervals (CI) were used. For dichotomous data, a relative risk (RR) and 95% CI were calculated as the summary statistics...
November 12, 2018: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/30404660/outcomes-and-factors-of-elbow-arthroscopy-upon-returning-to-sports-for-throwing-athletes-with-osteoarthritis
#6
Shun-Wun Jhan, Wen-Yi Chou, Kuan-Ting Wu, Ching-Jen Wang, Ya-Ju Yang, Jih-Yang Ko
BACKGROUND: Elbow arthroscopy had good functional outcome for throwing athletes. Returning to sports is a major concern for all athletes, but only a few reports have investigated the clinical factors related to the duration of returning to sports. The present study evaluates the efficacy of elbow arthroscopic surgery on throwing elbows with osteoarthritis and defines the clinical factors related to the duration of the returning to sports. METHODS: This was a retrospective study with fifteen active baseball throwing athletes with elbow osteoarthritis who were treated with elbow arthroscopy...
November 7, 2018: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/30400966/cross-cultural-adaptation-and-validation-of-the-simplified-chinese-version-of-copenhagen-hip-and-groin-outcome-score-hagos-for-total-hip-arthroplasty
#7
Shiqi Cao, Jia Cao, Sirui Li, Wei Wang, Qirong Qian, Yu Ding
BACKGROUND: To translate and cross-culturally adapt the Copenhagen Hip and Groin Outcome Score (HAGOS) into a Simplified Chinese version (HAGOS-C) and evaluate the reliability, validity, and responsiveness of the HAGOS-C in total hip arthroplasty (THA) patients. METHODS: The cross-cultural adaptation was performed according to the internationally recognized guidelines of the American Academy of Orthopaedic Surgeons Outcome Committee. A total of 192 participants were recruited in this study...
November 6, 2018: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/30400946/rationale-and-pre-clinical-evidences-for-the-use-of-autologous-cartilage-micrografts-in-cartilage-repair
#8
Marco Viganò, Irene Tessaro, Letizia Trovato, Alessandra Colombini, Marco Scala, Alberto Magi, Andrea Toto, Giuseppe Peretti, Laura de Girolamo
BACKGROUND: The management of cartilage lesions is an open issue in clinical practice, and regenerative medicine represents a promising approach, including the use of autologous micrografts whose efficacy was already tested in different clinical settings. The aim of this study was to characterize in vitro the effect of autologous cartilage micrografts on chondrocyte viability and differentiation and perform an evaluation of their application in racehorses affected by joint diseases. MATERIALS AND METHODS: Matched human chondrocytes and micrografts were obtained from articular cartilage using Rigenera® procedure...
November 6, 2018: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/30390698/risk-factors-predicting-prognosis-and-outcome-of-elderly-patients-with-isolated-traumatic-brain-injury
#9
Roman C Ostermann, Julian Joestl, Thomas M Tiefenboeck, Nikolaus Lang, Patrick Platzer, Marcus Hofbauer
BACKGROUND: Traumatic brain injury (TBI), particularly in the elderly patient population, is known to be the single largest cause of death and disability worldwide. The purpose of this retrospective study was to evaluate clinical factors predicting poor outcome with special emphasis on the impact of respiratory failure (RF) on mortality in elderly patients with isolated severe TBI. METHODS: All elderly patients (age ≥ 65 years) with isolated severe head injury, admitted to this level I trauma center, during a period of 18 years (from January 1992 to December 2010) were identified from the trauma registry...
November 3, 2018: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/30384857/tibial-plateau-fractures-in-elderly-people-an-institutional-retrospective-study
#10
Qi-Fang He, Hui Sun, Lin-Yuan Shu, Yu Zhan, Chun-Yan He, Yi Zhu, Bin-Bin Zhang, Cong-Feng Luo
BACKGROUND: Tibial plateau fractures are the most common intra-articular fractures, which require careful evaluation and preoperative planning. The treatment of tibial plateau fractures in elderly patients is challenging, and the comprehension of epidemiology and morphology can be helpful. This study described the characteristics of geriatric tibial plateau fractures. METHODS: A total of 327 (23.24%) patients aged ≥60 years were reviewed in our level one trauma center over a 4-year period (from January 2013 to November 2016)...
November 1, 2018: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/30376891/reliability-and-validity-of-the-spinal-appearance-questionnaire-saq-and-the-trunk-appearance-perception-scale-taps
#11
Meinald T Thielsch, Mark Wetterkamp, Patrick Boertz, Georg Gosheger, Tobias L Schulte
BACKGROUND: The Spinal Appearance Questionnaire (SAQ) and the Trunk Appearance Perception Scale (TAPS) are questionnaires that mostly rely on drawings to assess scoliosis patients' subjective viewpoints on their trunk deformity. Our aim was to perform an in-depth assessment of the psychometric quality of both measures, the SAQ (version 1.1) and TAPS, and compare them to provide practical recommendations. METHODS: Web-based survey study with 255 patients suffering from idiopathic scoliosis (age 30...
October 30, 2018: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/30376865/accurate-determination-of-post-operative-3d-component-positioning-in-total-knee-arthroplasty-the-aurora-protocol
#12
Edgar A Wakelin, Linda Tran, Joshua G Twiggs, Willy Theodore, Justin P Roe, Michael I Solomon, Brett A Fritsch, Brad P Miles
BACKGROUND: Successful component alignment is a major metric of success in total knee arthroplasty. Component translational placement, however, is less well reported despite being shown to affect patient outcomes. CT scans and planar X-rays are routinely used to report alignment but do not report measurements as precisely or accurately as modern navigation systems can deliver, or with reference to the pre-operative anatomy. METHODS: A method is presented here that utilises a CT scan obtained for pre-operative planning and a post-operative CT scan for analysis to recreate a computation model of the knee with patient-specific axes...
October 30, 2018: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/30373674/treatment-of-the-benign-lytic-lesions-of-the-proximal-femur-with-synthetic-bone-graft
#13
Karem M Zekry, Norio Yamamoto, Katsuhiro Hayashi, Akihiko Takeuchi, Ali Zein A A Alkhooly, Ahmed Saleh Abd-Elfattah, Ezzat H Fouly, Adel Refaat Ahmed, Hiroyuki Tsuchiya
BACKGROUND: Benign bone tumors and tumor-like conditions are commonly located in the proximal femur. The main indications for surgical treatment are lesions with impending or actual pathological fractures, or with aggressive or recurrent lesions. However, patients complaining of persistent pain, limping, or abnormal gait patterns are also considered for surgical treatment. In this study, we describe the outcomes of the surgical treatment of benign lytic lesions of the proximal femur by curettage followed by implantation of synthetic bone graft...
October 29, 2018: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/30373617/finite-element-analysis-of-different-configurations-of-fully-threaded-cannulated-screw-in-the-treatment-of-unstable-femoral-neck-fractures
#14
Jiantao Li, Menglin Wang, Lianting Li, Hao Zhang, Ming Hao, Chen Li, Lin Han, Jianfeng Zhou, Kun Wang
BACKGROUND: In the present study, we evaluated the mechanical outcome of different configurations formed by fully threaded screws and partially threaded screws in the treatment of unstable femoral neck fracture. METHODS: The Pauwels type III unstable femoral fracture and the models of the fully threaded screw and partially threaded screw were constructed in 3-matic software and UG-NX software respectively. We then assembled the different screw configurations to the fracture model separately to form the fixation models...
October 29, 2018: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/30373613/comparison-of-collum-femoris-preserving-stems-and-ribbed-stems-in-primary-total-hip-arthroplasty
#15
Mingqing Li, Can Xu, Jie Xie, Yihe Hu, Hua Liu
BACKGROUND: This retrospective study investigated the relative benefits of using a collum femoris-preserving prosthesis or ribbed stem during total hip arthroplasty (THA). METHODS: The clinical results were compared of patients who underwent THA, between January 2010 and December 2012, with either a CFP prosthesis or a ribbed stem (66 and 75 patients, respectively, aged 43.4 ± 10.8 and 42.3 ± 9.8 years). Patients were assessed using the Harris Hip Score (HHS), Western Ontario and McMaster University Osteoarthritis Index (WOMAC), 12-Item Short Form Health Survey (SF-12), and physical component summary (PCS) score...
October 29, 2018: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/30373599/radiographic-and-clinical-outcomes-of-c1-c2-intra-articular-screw-fixation-in-patients-with-atlantoaxial-subluxation
#16
Hiroshi Uei, Yasuaki Tokuhashi, Masafumi Maseda
BACKGROUND: The Magerl and Goel-Harms techniques have been reported to produce excellent treatment outcomes in cases of atlantoaxial subluxation, but they also carry a risk of vertebral artery injuries. In order to completely prevent such injuries, we developed a surgical procedure, involving bone grafting between the C1 posterior arch and C2 lamina with clamp- or hook-and-rod-based fixation combined with the insertion of an interference screw into the posterior atlantoaxial joint. METHODS: This was a retrospective single-center study...
October 29, 2018: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/30367662/incidence-and-risk-factors-of-neurological-complications-during-posterior-vertebral-column-resection-to-correct-severe-post-tubercular-kyphosis-with-late-onset-neurological-deficits-case-series-and-review-of-the-literature
#17
Wenbin Hua, Xinghuo Wu, Yukun Zhang, Yong Gao, Shuai Li, Kun Wang, Xianzhe Liu, Shuhua Yang, Cao Yang
BACKGROUND: Severe post-tubercular kyphosis with late-onset neurological deficits is difficult to treat, with high risk of neurological complications. This study retrospectively evaluates the efficacy and safety of posterior vertebral column resection (PVCR) for treating severe post-tubercular kyphosis with late-onset neurological deficits. METHODS: From January 2012 to December 2015, 13 patients with severe post-tubercular kyphosis underwent PVCR. All these patients were of late-onset neurological deficits...
October 26, 2018: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/30359276/clinical-application-of-the-pedicle-in-vitro-restorer-in-percutaneous-kyphoplasty
#18
Yimin Qi, Yiwen Zeng, Dalin Wang, Jisheng Sui, Qiang Wang
BACKGROUND: Percutaneous kyphoplasty (PKP) is widely applied for the treatment of osteoporotic vertebral compression fractures (OVCFs) and has achieved satisfactory clinical results. With the accumulation of clinical cases and prolonged follow-up times, the inability to reconstruct vertebral height defects has attracted more and more attention. A comparison of clinical effects was retrospectively reviewed in 72 patients who underwent simple PKP or pedicle in vitro restorer (PIVR) combined with PKP to discuss the clinical application of self-developed PIVR used in PKP...
October 25, 2018: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/30359257/combination-therapy-with-low-dose-teriparatide-and-zoledronate-contributes-to-fracture-healing-on-rat-femoral-fracture-model
#19
Yuta Tsubouchi, Shinichi Ikeda, Masashi Kataoka, Hiroshi Tsumura
BACKGROUND: Delay in fracture healing or non-union can be devastating complication. Recent studies have reported that teriparatide (TP) demonstrated effectively on callus formation and mechanical strength and zoledronate (ZA) increased the callus size and resistance at the fracture site in rat fracture model. In this study, the effects of combination therapy with low dose TP and ZA on fracture healing was evaluated. METHODS: From 1 week post-operation, TP (5 times a week administration) and ZA (0...
October 25, 2018: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/30352605/evaluation-of-bone-marrow-derived-mesenchymal-stem-cell-quality-from-patients-with-congenital-pseudoarthrosis-of-the-tibia
#20
Ismail Hadisoebroto Dilogo, Fajar Mujadid, Retno Wahyu Nurhayati, Aryadi Kurniawan
BACKGROUND: The treatment of congenital pseudoarthrosis of the tibia (CPT) remains challenging in pediatric orthopedics due to the difficulties in bone union, continuous angulation, joint stiffness, and severe limb length discrepancy. Mesenchymal stem cells (MSCs) therapy offers a complementary approach to improve the conventional surgical treatments. Although the autologous MSC treatment shows a promising strategy to promote bone healing in CPT patients, the quality of MSCs from CPT patients has not been well studied...
October 23, 2018: Journal of Orthopaedic Surgery and Research
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