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Orthopaedic Surgery

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https://www.readbyqxmd.com/read/30101546/successful-management-of-gorham-stout-disease-in-scapula-and-ribs-a-case-report-and-literature-review
#1
Ming-Hui Li, Hao-Qiang Zhang, Ya-Jie Lu, Peng Gao, Hai Huang, Yong-Cheng Hu, Zhen Wang
Gorham-Stout disease (GSD) is an extremely rare bone condition of unknown etiology characterized by spontaneous and progressive resorption of bones. GSD can occur at any age and is not related to gender, genetic inheritance, or race. Any part of the skeleton can be affected and the symptoms correlate with the sites involved. The diagnosis of GSD is established based on the combination of clinical, radiologic, and histologic features after excluding other diseases. Because of its rarity, current knowledge is limited to case reports and there is no agreement on the best strategy for treatment...
August 12, 2018: Orthopaedic Surgery
https://www.readbyqxmd.com/read/30094941/rheumatoid-arthritis-of-knee-joints-mri-pathological-correlation
#2
Xiang-Hong Meng, Zhi Wang, Xue-Ning Zhang, Jin Xu, Yong-Cheng Hu
OBJECTIVE: To evaluate the correlation between features of knee joint rheumatoid arthritis (RA) identified on MRI and histological examination as a means of elucidating the pathogenesis of joint destruction in RA. METHODS: This is a prospective analysis of 26 knee joints of 22 patients who underwent total knee arthroplasty (TKA) for the treatment of RA. Based on the degree of destruction of articular cartilage and the menisci, the occurrence of bone marrow edema and bone erosion, and synovial thickening, the stage of the knee joints were classified using MRI by two radiologists...
August 9, 2018: Orthopaedic Surgery
https://www.readbyqxmd.com/read/30073780/reconstruction-of-humeral-shaft-defect-with-an-intercalary-endoprosthesis-following-resection-of-tumor
#3
Jian-Feng Zhang, Feng Wang, Yong-Cheng Hu
Diaphyseal defects in long bones of extremities following segmental resection are very common in the clinic, and reconstruction remains a great challenge. Although there are many treatments for diaphyseal defects at present, reconstruction with an intercalary endoprosthesis may be an optimal method. We demonstrate a surgical technique for reconstruction of a humeral shaft defect with an intercalary endoprosthesis following tumor resection, and achieve a good clinical outcome. We conclude that in comparison with other methods, reconstruction with an intercalary endoprosthesis is simple, effective, and allows for earlier weight bearing and more rapid restoration of function...
August 3, 2018: Orthopaedic Surgery
https://www.readbyqxmd.com/read/30027601/schmid-s-type-of-metaphyseal-chondrodysplasia-diagnosis-and-management
#4
Ali Al Kaissi, Maher B Ghachem, Nesseb M Nabil, Vladimir Kenis, Eugene Melchenko, Ekatrina Morenko, Franz Grill, Rudolf Ganger, Susanne G Kircher
OBJECTIVES: There are several types of metaphyseal chondrodysplasia and various clinical types have been differentiated. The Schmid type of metaphyseal chondrodysplasia is the most common. Diffuse metaphyseal flaring, irregularity, and growth plate widening, which are most severe in the knees, are the most striking radiological features of this disease. The Schmid type of metaphyseal dysostosis is characterized by failure of normal mineralization of the zone of provisional calcification, leading to widened physes and enlarged knobby metaphyses, effectively causing shortening of the tubular bones, splaying of the metaphyses, coxa vara, and bow legs...
July 19, 2018: Orthopaedic Surgery
https://www.readbyqxmd.com/read/30019516/evaluation-of-quality-of-life-using-eortc-qlq-bm22-in-patients-with-bone-metastases-after-treatment-with-magnetic-resonance-guided-focused-ultrasound
#5
Zheng-Qi Chen, Chong-Ren Wang, Xiao-Jun Ma, Wei Sun, Jia-Kang Shen, Meng-Xiong Sun, Ze-Ze Fu, Ying-Qi Hua, Zheng-Dong Cai
OBJECTIVE: To reveal the alterations in quality of life (QOL) in bone metastases patients after magnetic resonance guided focused ultrasound (MRgFUS). METHODS: This retrospective study enrolled 26 patients diagnosed with bone metastases. Patients had various primary malignant tumors and tumor lesions in different locations. All patients received MRgFUS for bone metastasis. Each focal spot sonication pulse that was applied to create energy deposition lasted 20 s and was performed at a frequency of 1...
July 18, 2018: Orthopaedic Surgery
https://www.readbyqxmd.com/read/29878716/complications-and-prevention-strategies-of-oblique-lateral-interbody-fusion-technique
#6
Zhong-You Zeng, Zhao-Wan Xu, Deng-Wei He, Xing Zhao, Wei-Hu Ma, Wen-Fei Ni, Yong-Xing Song, Jian-Qiao Zhang, Wei Yu, Xiang-Qian Fang, Zhi-Jie Zhou, Nan-Jian Xu, Wen-Jian Huang, Zhi-Chao Hu, Ai-Lian Wu, Jian-Fei Ji, Jian-Fu Han, Shun-Wu Fan, Feng-Dong Zhao, Hui Jin, Fei Pei, Shi-Yang Fan, De-Xiu Sui
OBJECTIVE: To analyze the early complications and causes of oblique lateral interbody fusion, and put forward preventive measures. METHODS: There were 235 patients (79 males and 156 females) analyzed in our study from October 2014 to May 2017. The average age was 61.9 ± 0.21 years (from 32 to 83 years). Ninety-one cases were treated with oblique lateral interbody fusion (OLIF) alone (OLIF alone group) and 144 with OLIF combined with posterior pedicle screw fixation through the intermuscular space approach (OLIF combined group)...
May 2018: Orthopaedic Surgery
https://www.readbyqxmd.com/read/29878715/corrigendum
#7
(no author information available yet)
No abstract text is available yet for this article.
May 2018: Orthopaedic Surgery
https://www.readbyqxmd.com/read/29878714/recurrence-of-giant-cell-tumor-of-the-spine-after-resection-a-report-of-10-cases
#8
Peng Lin, Nong Lin, Wangsiyuan Teng, Sheng-Dong Wang, Wei-Bo Pan, Xin Huang, Xiao-Bo Yan, Meng Liu, Heng-Yuan Li, Bing-Hao Li, Ling-Ling Sun, Zhan Wang, Xing-Zhi Zhou, Zhao-Ming Ye
OBJECTIVE: To review the clinical details and further treatments for recurrent spinal giant cell tumors (SGCT), and to analyze the risk factors of recurrence and shed new light on the treatment options and prognosis of recurrent SGCT. METHODS: A retrospective analysis of recurrent SGCT between April 2003 and January 2014 was performed. A total of 10 patients comprising 3 men and 7 women with a mean age of 28.9 years (range, 21-40 years) were included in the study...
May 2018: Orthopaedic Surgery
https://www.readbyqxmd.com/read/29878713/comparative-study-between-m6-c-and-mobi-c-cervical-artificial-disc-replacement-biomechanical-outcomes-and-comparison-with-normative-data
#9
My Pham, Kevin Phan, Ian Teng, Ralph J Mobbs
OBJECTIVE: Cervical spondylosis affects a huge proportion of the middle-aged population. Degenerative changes can occur in multiple regions of the cervical spine typically affecting the joints, intervertebral discs and endplates. These changes lead to compression of adjacent nervous structures, which results in radiculopathic and myelopathic pain. Various treatment modalities are currently available with non-surgical approaches the initial go to if there is no symptomatic cord compression...
May 2018: Orthopaedic Surgery
https://www.readbyqxmd.com/read/29770589/short-term-follow-up-of-antibiotic-loaded-articulating-cement-spacers-in-two-stage-revision-of-infected-total-knee-arthroplasty-a-case-series
#10
Meng-Qiang Tian, Xian-Teng Yang, Xiao-Bin Tian, Yun-Bo Sun, Yuan-Hui Duan, Li Sun
OBJECTIVE: Infection of total knee arthroplasty (TKA) is a rare but devastating complication. Two-stage revision is an effective treatment for late infected TKA. This study aimed to assess the short-term results of two-stage revision using articulating antibiotic-loaded spacers. METHODS: Twenty-five patients (10 men and 15 women) were diagnosed with late infections after TKA and treated with two-stage revision from April 2006 to August 2010; 19 of these patients had TKA for osteoarthritis and 6 for rheumatoid arthritis...
May 2018: Orthopaedic Surgery
https://www.readbyqxmd.com/read/29770586/surgical-infection-after-posterolateral-lumbar-spine-arthrodesis-ct-analysis-of-spinal-fusion
#11
Pablo Andrés-Cano, Ana Cerván, Miguel Rodríguez-Solera, Jose Antonio Ortega, Natividad Rebollo, Enrique Guerado
OBJECTIVE: To determine the incidence of infection after instrumented lumbar spine surgery, the demographic and surgical variables associated with acute infection, and the influence of infection and debridement on the consolidation of spinal fusion. METHODS: After obtaining approval from the hospital ethics committee, an observational study was made on a prospective cohort of consecutive patients surgically treated by posterolateral lumbar spine arthrodesis (n = 139, 2005-2011)...
May 2018: Orthopaedic Surgery
https://www.readbyqxmd.com/read/29770583/angle-stable-interlocking-intramedullary-nails-for-tibial-plateau-fractures
#12
Peng Jia, Feng-Cheng Lu, Kifayat Ullah, Man Zhang, Yan-Sheng Dong, Chao Xiong, Zhi-Hui Zhao, Jin-Feng Wang, Ju-Wen Chen, Yong-Qing Wang
OBJECTIVE: Angle stable interlocking intramedullary nail (ASIN), a novel technique, has rarely been used for treatment of tibial plateau fractures (TPF). This retrospective study was designed to introduce this novel technique, ASIN, as well as to describe the initial experience and verify the effectiveness when ASIN was used for the management for TPF. METHODS: A cohort of 19 cases with closed TPF aged from 18-70 years with at least 23 months follow-up from November 2008 to September 2013 was analyzed retrospectively...
May 2018: Orthopaedic Surgery
https://www.readbyqxmd.com/read/29770581/effect-of-static-compression-loads-on-intervertebral-disc-an-in-vivo-bent-rat-tail-model
#13
Wei Xia, Lin-Lin Zhang, Jun Mo, Wen Zhang, Hai-Tao Li, Zong-Ping Luo, Hui-Lin Yang
OBJECTIVE: To evaluate how well different magnitudes of compression-induced degenerative changes using a bent rat tail model simulated human lumbar lordosis. It has been shown that compression plays an important role in intervertebral disc degeneration (IDD). METHODS: Sprague-Dawley rats (n = 25) were instrumented with a special compressive apparatus that was used to bend the intervertebral disc between the 8th and the 10th caudal vertebral bodies using two Kirschner wires inserted percutaneously into the middle of two tail vertebrae...
May 2018: Orthopaedic Surgery
https://www.readbyqxmd.com/read/29770577/percutaneous-reduction-and-internal-fixation-for-monocondylar-fractures-of-tibial-plateau-a-systematic-review
#14
REVIEW
Heng-Rui Chang, Yi-Yang Yu, Lin-Lin Ju, Zhan-le Zheng, Wei Chen, Ying-Ze Zhang
Instead of extensive dissection of soft tissue around the fracture site, percutaneous techniques have unique advantages in managing displaced fragments, including preservation of soft tissues, less blood loss, lower risk of complications, and earlier functional rehabilitation. However, there are few systematic reviews on the effects of percutaneous reduction and internal fixation (PRIF) for tibial plateau fractures. A systematic search of Cochrane, EMBASE, and MEDLINE databases was performed for all publicly available data in March 2017 regarding the use of PRIF in treating monocondylar tibial plateau fractures...
May 2018: Orthopaedic Surgery
https://www.readbyqxmd.com/read/29767473/prediction-of-callus-subsidence-in-distraction-osteogenesis-using-callus-formation-scoring-system-preliminary-study
#15
Panlop Tirawanish, Perajit Eamsobhana
OBJECTIVE: To develop the scoring system which describes both quality and quantity of callus formation to predict the callus subsidence. METHODS: Forty-seven bony segments with an average lengthening of 5.17 ± 2.83 cm were included. The score was calculated based on the amount of callus classified in five patterns and the summation with the density of the callus classified in four patterns; the total score was 9. Bony subsidence >10% or >10° angulation were considered significant...
May 2018: Orthopaedic Surgery
https://www.readbyqxmd.com/read/29767463/mechanical-and-biological-properties-of-a-biodegradable-mg-zn-ca-porous-alloy
#16
Yong-Qiang Zhang, Yang Li, Huan Liu, Jing Bai, Ni-Rong Bao, Yue Zhang, Peng He, Jian-Ning Zhao, Li Tao, Feng Xue, Guang-Xin Zhou, Gen-Tao Fan
OBJECTIVES: As promising alternative to current metallic biomaterials, the porous Mg scaffold with a 3-D open-pore framework has drawn much attention in recent years due to its suitable biodegradation, biocompatibility, and mechanical properties for human bones. This experiment's aim is to study the mechanical properties, biosafety, and osteogenesis of porous Mg-Zn alloy. METHODS: A porous Mg-2Zn-0.3Ca (wt%) alloy was successfully prepared by infiltration casting, and the size of NaCl particles was detected by a laser particle size analyzer...
May 2018: Orthopaedic Surgery
https://www.readbyqxmd.com/read/29745033/role-of-teriparatide-in-glucocorticoid-induced-osteoporosis-through-regulating-cellular-reactive-oxygen-species
#17
Tao Wang, Chao Han, Peng Tian, Peng-Fei Li, Xin-Long Ma
OBJECTIVE: To determine the signaling pathways mediated by teriparatide in MLO-Y4 cell lines based on the evaluation of reactive oxygen species (ROS) through AKT pathways, which regulate apoptosis of bone cells. METHODS: We performed the DCFH-DA assay to investigate the role of ROS in MLO-Y4 cells caused by dexamethasone (Dex). Four groups were included: Dex group, Dex+NAC, Dex+ teriparatide group and control group (without any dispose). Real-time reverse transcriptase polymerase chain reaction was used to test the SOD2 and Cat mRNA expression...
May 2018: Orthopaedic Surgery
https://www.readbyqxmd.com/read/29624874/biological-and-biomechanical-evaluation-of-autologous-tendon-combined-with-ligament-advanced-reinforcement-system-artificial-ligament-in-a-rabbit-model-of-anterior-cruciate-ligament-reconstruction
#18
Xin-Min Wang, Gang Ji, Xiao-Meng Wang, Hui-Jun Kang, Fei Wang
OBJECTIVE: To compare the biomechanical and histological changes in a rabbit model after reconstructing the anterior cruciate ligament (ACL) with solely autologous tendon and with autologous tendon combined with the ligament advanced reinforcement system (LARS) artificial ligament. METHODS: Anterior cruciate ligament reconstruction was performed in 72 knees from 36 healthy New Zealand white rabbits (bodyweight, 2500-3000 g). The Achilles tendons were harvested bilaterally...
May 2018: Orthopaedic Surgery
https://www.readbyqxmd.com/read/29484857/biomechanical-analysis-of-a-novel-intercalary-prosthesis-for-humeral-diaphyseal-segmental-defect-reconstruction
#19
Li-Ming Zhao, Dong-Mu Tian, Yue Wei, Jun-Hui Zhang, Zheng-Lin Di, Zhi-Yong He, Yong-Cheng Hu
OBJECTIVE: To study the biomechanical properties of a novel modular intercalary prosthesis for humeral diaphyseal segmental defect reconstruction, to establish valid finite element humerus and prosthesis models, and to analyze the biomechanical differences in modular intercalary prostheses with or without plate fixation. METHODS: Three groups were set up to compare the performance of the prosthesis: intact humerus, humerus-prosthesis and humerus-prosthesis-plate...
February 2018: Orthopaedic Surgery
https://www.readbyqxmd.com/read/29484856/degenerate-disc-infection-study-with-contaminant-control-discussion-on-the-research-methods
#20
Prashanth J Rao, Christine Chau, Kevin Phan, Ralph J Mobbs
OBJECTIVE: The role of bacterial infection in the causation of disc degeneration and its consequences is controversial. The current evidence is limited to underpowered studies, with the majority of such studies having only an internal contaminant arm, and only one study having a control arm with a non-degenerate disc population. The Degenerate-disc Infection Study with Contaminant Control (DISC) study includes a control arm and an internal contaminant control to resolve these shortcomings...
February 2018: Orthopaedic Surgery
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