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SI Joint

Qiaojie Chen, Shaokun Wu, Yaojun Wu, Liang Chen, Qingjiang Pang
BACKGROUND: Osteoarthritis (OA) is a degenerative joint disease that with the complication of disability, while inflammation is the important response of OA. MiR-149 was down-regulated in the OA tissues, while the potential mechanism of miR-149 in OA is unclear. METHODS: A total of 20 OA patients and 20 healthy persons were enrolled in the present study. Real-time PCR was used to detect miR-149 and the mRNA expression of TAK1, western blot was used to detect the protein expression of TAK1...
March 7, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
Janneke de Winter, Manouk de Hooge, Marleen van de Sande, Henriëtte de Jong, Lonneke van Hoeven, Anoek de Koning, Inger Jorid Berg, Roberta Ramonda, Dominique Baeten, Désirée van der Heijde, Angelique Weel, Robert Landewé
OBJECTIVE: To compare MRI of the sacroiliac joints (MRI-SI) of healthy, symptomless individuals and those with known mechanical strain acting upon SI joints to axial spondyloarthritis (axSpA) and chronic back pain (CBP) patients. METHODS: Three trained, calibrated and blinded readers randomly scored MRI-SI of 172 subjects: 47 healthy individuals without current/past back pain; 47 axSpA patients from the SPondyloArthritis Caught Early (SPACE) cohort (with a previously confirmed positive MRI-SI); 47 CBP controls (irrespective of MRI-SI results) from the SPACE cohort; 7 women with postpartum back pain; and 24 frequent runners...
March 7, 2018: Arthritis & Rheumatology
Hairil Rizal Abdullah, Sapphire RouXi Tan, Si Jia Lee, Hamid Rahmatullah Bin Abd Razak, Rachel Huiqi Seet, Hao Ying, Ervin Sethi, Eileen Yilin Sim
INTRODUCTION: Postoperative delirium is a serious and common complication in older adults following total joint arthroplasties (TJA). It is associated with increased risk of postoperative complications, mortality, length of hospital stay and postdischarge institutionalisation. Thus, it has a negative impact on the health-related quality of life of the patient and poses a large economic burden. This study aims to characterise the incidence of postoperative delirium following TJA in the South East Asian population and investigate any risk factors or associated outcomes...
March 6, 2018: BMJ Open
Bo-Yi Yang, Zhengmin Min Qian, Shanshan Li, Shujun Fan, Gongbo Chen, Kevin M Syberg, Hong Xian, Si-Quan Wang, Huimin Ma, Duo-Hong Chen, Mo Yang, Kang-Kang Liu, Xiao-Wen Zeng, Li-Wen Hu, Yuming Guo, Guang-Hui Dong
Little evidence exists about the effects of long-term exposure to ambient air pollution on metabolic syndrome (MetS). This study aimed to determine the association between long-term ambient air pollution and MetS in China. A total of 15,477 adults who participated in the 33 Communities Chinese Health Study (33CCHS) in 2009 were evaluated. MetS was defined based on the recommendation by the Joint Interim Societies. Exposure to air pollutants was assessed using data from monitoring stations and a spatial statistical model (including particles with diameters ≤ 1...
March 1, 2018: Environmental Research
Marco Aurélio N Added, Diego G de Freitas, Karina T Kasawara, Robroy L Martin, Thiago Y Fukuda
Study design: Case series. Background and purpose: The literature has emphasized the use of exercise as an intervention for individuals with lumbopelvic pain. However, there is limited information to guide clinicians in exercise selection for those with sacroiliac (SI) joint dysfunction. Altered function of the gluteus maximus has been found in those with SI joint dysfunction. The objective of this case series was to assess the effectiveness of an exercise program directed at increasing gluteus maximus strength in those with clinical tests positive for SI joint dysfunction...
February 2018: International Journal of Sports Physical Therapy
Bo Huang, Xuewen Shu
A highly sensitive optical fiber torsion sensor with femtosecond laser-induced low birefringence SMF-based Sagnac interferometer (SI) is proposed and experimentally demonstrated in this paper. A straight-line waveguide positioned horizontally with respect to the fiber core is inscribed by the femtosecond laser in the cladding of the SMF, which leads to the asymmetry stress distribution in the SMF, and then gives rise to the low birefringence in the SMF. Compared with most of the previous reported SI based torsion sensors, there is no splicing joint in the femtosecond laser-induced low birefringence SMF-based SI, which lowers the transmission loss and makes the SI based torsion sensor more robust simultaneously...
February 19, 2018: Optics Express
Sergei Vlassov, Sven Oras, Mikk Antsov, Jelena Butikova, Rünno Lõhmus, Boris Polyakov
High surface energy of individual nanostructures leads to high adhesion and static friction that can completely hinder the operation of nanoscale systems with movable parts. For instance, silver or gold nanowires cannot be moved on silicon substrate without plastic deformation. In this paper we experimentally demonstrate the operational prototype of low-friction nano-joint. The movable part of the prototype is made either from gold or silver nano-pin produced by laser-induced partial melting of silver and gold nanowires resulting in formation of rounded bulbs on their ends...
February 22, 2018: Nanotechnology
Chenglei Liu, Chang Liu, Liping Si, Hao Shen, Qian Wang, Weiwu Yao
BACKGROUND: The importance of subchondral bone in the pathogenesis of osteoarthritis (OA) has drawn interest. PURPOSE: To investigate subregional trabecular bone microstructural features and to determine the relationship between cartilage and trabecular bone in the osteoarthritic human knee. STUDY TYPE: Prospective study. SUBJECTS: In all, 92 knees were enrolled and divided into three groups: without OA, mild OA, and severe OA...
February 16, 2018: Journal of Magnetic Resonance Imaging: JMRI
Jong-Hee Kim, Han-Sur Bang, Hee-Seon Bang
Lower-arm, one of the components in automotive suspension module, has been fabricated by MAG welding in general which is lap jointed with 2 mm thick galvannealed steel sheet (SGAPH440). This welding process produces some problems such as significantly much spatters and weld defects of porosity in welded joint, which degrades productivity and weldability. Therefore, in order to solve these problems, this study has been tried to apply two types of solid wires with different chemical composition rate of Si and Mn, in MAG welding process...
March 1, 2018: Journal of Nanoscience and Nanotechnology
Jian Chen, Jun-Jun Xie, Ke-Si Shi, Yun-Tao Gu, Cong-Cong Wu, Jun Xuan, Yue Ren, Long Chen, Yao-Sen Wu, Xiao-Lei Zhang, Jian Xiao, De-Zhong Wang, Xiang-Yang Wang
Treatments for osteoarthritis (OA) are designed to restore chondrocyte function and inhibit cell apoptosis. Previous studies have shown that activation of the glucagon-like peptide-1 receptor (GLP-1R) leads to anti-inflammatory and anti-apoptotic effects. However, the role of GLP-1R in the pathological process of OA is unclear. In present work, we aimed to demonstrate the potential effect of GLP-1R on chondrocytes and elucidate its underlying mechanisms. We found that activation of GLP-1R with liraglutide could protect chondrocytes against endoplasmic reticulum stress and apoptosis induced by interleukin (IL)-1β or triglycerides (TGs)...
February 12, 2018: Cell Death & Disease
Si-Eun Park, Yang-Rae Kim, Yong-Youn Kim
[Purpose] The purpose of this study was to investigate the effect of scapular stabilizing exercise in a stroke patient with winging and elevated scapula. [Subject and Methods] The subject was a 46-year-old female with a history of stroke. She had right side hemiplegia with winging and elevated scapula on the right side, and had compensatory motions of the neck and shoulder when using the paretic upper extremity. The subject participated in scapular stabilizing exercises for four days. This exercise program consisted of scapular protraction-retraction in an upright seated position...
January 2018: Journal of Physical Therapy Science
Soo Yeon Kim, Woo Joong Kim, Hyuna Kim, Sun Ah Choi, Jin Sook Lee, Anna Cho, Se Song Jang, Byung Chan Lim, Ki Joong Kim, Jong-Il Kim, Si Houn Hahn, Jong-Hee Chae
INTRODUCTION: We aimed to analyze the clinical and genetic characteristics of collagen VI-related myopathy. METHODS: We analyzed the clinical course and mutation spectrum in patients with collagen VI gene mutations among our congenital muscular dystrophy cohort. RESULTS: Among 24 patients with mutations in collagen VI coding genes, 13 (54.2%) were categorized as Ullrich type, and 11 (45.8%) as non-Ullrich type. Congenital orthopedic problems were similarly observed in both types, yet multiple joint contractures were found only in the Ullrich type...
February 6, 2018: Muscle & Nerve
Min-Jie Chen, Chi Yang, Ji-Si Zheng, Guo Bai, Zi-Xiang Han, Yi-Wen Wang
PURPOSE: We sought to introduce our classification and reconstruction protocol for skull base erosions in the temporomandibular joint and skull base region. PATIENTS AND METHODS: Patients with neoplasms in the temporomandibular joint and skull base region treated from January 2006 to March 2017 were reviewed. Skull base erosion was classified into 3 types according to the size of the defect. RESULTS: We included 33 patients, of whom 5 (15...
January 3, 2018: Journal of Oral and Maxillofacial Surgery
Jun Zhang, Mingxia Liu, Li Wang, Si Chen, Peng Yuan, Jianfu Li, Steve Guo-Fang Shen, Zhen Tang, Ken-Chung Chen, James J Xia, Dinggang Shen
Generating accurate 3D models from cone-beam computed tomography (CBCT) images is an important step in developing treatment plans for patients with craniomaxillofacial (CMF) deformities. This process often involves bone segmentation and landmark digitization. Since anatomical landmarks generally lie on the boundaries of segmented bone regions, the tasks of bone segmentation and landmark digitization could be highly correlated. However, most existing methods simply treat them as two standalone tasks, without considering their inherent association...
September 2017: Medical Image Computing and Computer-assisted Intervention: MICCAI ..
Dajie Wang
Chronic pain is a common medical condition. Patients who suffer uncontrolled chronic pain may require interventions including spinal injections and various nerve blocks. Interventional procedures have evolved and improved over time since epidural injection was first introduced for low back pain and sciatica in 1901. One of the major contributors in the improvement of these interventions is the advancement of imaging guidance technologies. The utilization of image guidance has dramatically improved the accuracy and safety of these interventions...
January 26, 2018: Current Pain and Headache Reports
Yuan Si, Xiang Li, Dongqin Yin, Ronghua Liu, Jiahua Wei, Yuefei Huang, Tiejian Li, Jiahong Liu, Shenglong Gu, Guangqian Wang
The hydropower system in the Upper Yellow River (UYR), one of the largest hydropower bases in China, plays a vital role in the energy structure of the Qinghai Power Grid. Due to management difficulties, there is still considerable room for improvement in the joint operation of this system. This paper presents a general LINGO-based integrated framework to study the operation of the UYR hydropower system. The framework is easy to use for operators with little experience in mathematical modeling, takes full advantage of LINGO's capabilities (such as its solving capacity and multi-threading ability), and packs its three layers (the user layer, the coordination layer, and the base layer) together into an integrated solution that is robust and efficient and represents an effective tool for data/scenario management and analysis...
2018: PloS One
Yang Yang, Si Qi, Mengyue Liu, Yu Zhao, Ning Li
OBJECTIVE: To compare the differences in the clinical therapeutic effects on chronic knee joint pain between the combination of the central-square needling technique of thumb-tack needles with the routine therapy of acupuncture, moxibustion and tuina and the routine therapy of acupuncture, moxibustion and tuina. METHODS: One hundred and twenty patients of chronic knee joint pain were randomized into an observation group and a control group, 60 cases in each one...
October 12, 2017: Zhongguo Zhen Jiu, Chinese Acupuncture & Moxibustion
Yanwu Wang, Chongmin Wang, Huade Chen, Xinmiao Ye
OBJECTIVE: To verify the clinical therapeutic effects on shoulder joint pain of rotator cuff injury treated with electroacupuncture (EA) and Mulligan's mobilization. METHODS: A total of 120 patients of shoulder joint pain of rotator cuff injury were randomized into an EA group, a rehabilitation group and a combined therapy group, 40 cases in each one. In the EA group, EA was applied to Jianzhen (SI 9), Jianliao (TE 14), Jianyu (LI 15), Tianzong (SI 11), Jianqian (extra) and Binao (LI 14) in the affected side...
January 12, 2018: Zhongguo Zhen Jiu, Chinese Acupuncture & Moxibustion
Joseph L Laratta, James D Lin, Jamal N Shillingford, Nathan E Hardy, Hemant Reddy, Ronald A Lehman
Achieving lumbosacral fusion through spinopelvic fixation is an important and challenging aspect of spinal deformity surgery. Numerous instrumentation techniques are available, with iliac screws and S2-alar-iliac (SRAI) screws being most commonly used today. However, the increasing popularity of minimally invasive sacroiliac (SI) fusion as a common procedure performed for SI joint pain presents a distinct challenge in complex adult deformity cases requiring iliac screw fixation. We report a case of a 71-year-old female with a longstanding history of spinal deformity status-post T11-L5 fusion and a subsequent right-sided SI joint fusion who presented with sagittal imbalance...
December 2017: Journal of Spine Surgery (Hong Kong)
Myat K Thu, Ajay M V Kumar, Kyaw T Soe, Saw Saw, Saw Thein, Zaw Mynit, Htet M W Maung, Si T Aung
Background: Since 2011, Myanmar has adopted domiciliary care for multidrug-resistant tuberculosis (MDR-TB) patients and implemented several patient-support measures such as community-based directly observed treatment, nutritional support and financial incentives for patients and providers. We assessed treatment outcomes among MDR-TB patients registered for treatment in the Yangon and Mandalay Regions of Myanmar during 2012-2014 and factors associated with unfavourable treatment outcomes...
January 17, 2018: Transactions of the Royal Society of Tropical Medicine and Hygiene
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