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SI Joint

Wilson Bautista-Molano, Robert B M Landewé, Cesar Serna, Rafael Valle-Oñate, Désirée van der Heijde
OBJECTIVES: To evaluate the patients' characteristics associated with the clinical decision to request SI-MRI and/or HLA-B27 in patients with SpA in daily practice. METHODS: Patients referred to a rheumatology outpatient-clinic in a national referral-centre were selected. Patients with a clinical diagnosis of SpA according to the rheumatologist were included. SI-MRI and HLA-B27 was available for patients in whom the rheumatologists had ordered these tests. Characteristics associated with ordering SI-MRI or HLA-B27 were identified with univariable analyses...
October 26, 2016: Clinical and Experimental Rheumatology
Si Chen, Bao-Liang Ma, Ming-Qiang Cao, Hong-Juan Yu, Xing-Ming Ma
OBJECTIVE: To investigate the correlation among serum levels of manning-binding lectin (MBL), MBL-associated serine proteases-2 (MASP-2), complement C3 and high-sensitive C reactive protein (HsCRP) in patients with rheumatoid arthritis (RA). METHODS: Fasting venous blood were collected from 50 RA patients (25 in active stage and 25 in remission) and 40 healthy subjects for detecting serum levels of MBL, MASP-2, complement C3 and HsCRP using enzyme-linked immunosorbent assay (ELISA) and immune turbidity assay...
October 20, 2016: Nan Fang Yi Ke da Xue Xue Bao, Journal of Southern Medical University
Qian Wang, Xiaoguang Chen, Lin Zhu, Jiuchun Yan, Zhiwei Lai, Pizhi Zhao, Juncheng Bao, Guicai Lv, Chen You, Xiaoyu Zhou, Jian Zhang, Yuntao Li
Al-50Si alloys were joined by rapid ultrasound-induced transient-liquid-phase bonding method using Zn foil as interlayer at 390°C in air, below the melt point of interlayer. The fracture of oxide films along the edge of Si particles led to contact and inter-diffusion between aluminum substrate and Zn interlayer, and liquefied Zn-Al alloys were developed. The width of Zn-Al alloys gradually decreased with increasing the ultrasonic vibration time due to liquid squeezing out and accelerated diffusion. A stage of isothermal solidification existed, and the completion time was significantly shortened...
January 2017: Ultrasonics Sonochemistry
Paramee Kumkrong, Benjaporn Thiensong, Phuong Mai Le, Garnet McRae, Anthony Windust, Suladda Deawtong, Juris Meija, Paulette Maxwell, Lu Yang, Zoltán Mester
Methods based on species specific isotope dilution were developed for the accurate and SI traceable determination of arsenobetaine (AsBet) and methylmercury (MeHg) in prawn and cuttlefish tissues by LC-MS/MS and SPME GC-ICPMS. Quantitation of AsBet and MeHg were achieved by using a (13)C-enriched AsBet spike (NRC CRM CBET-1) and an enriched spike of Me(198)Hg (NRC CRM EMMS-1), respectively, wherein analyte mass fractions in enriched spikes were determined by reverse isotope dilution using natural abundance AsBet and MeHg primary standards...
November 2, 2016: Analytica Chimica Acta
Simon Kahmann, Daniele Fazzi, Gebhard Josef Matt, Walter Thiel, Maria Antonietta Loi, Christoph J Brabec
We investigate the photoinduced absorption (PIA) spectra of the prototypical donor-acceptor polymers C/Si-PCPDTBT over a spectral range from 0.07 to 1.5 eV. Comparison between (TD)DFT simulations of the electronic and vibrational transitions of singlet- and triplet-excitons as well as polarons and bipolarons with the experimental results prove the observed features to be due to positive polarons delocalized on the polymer chains. We find the more crystalline Si-bridged variant to give rise to a red-shift in the transition energies, especially in the mid infrared (MIR) spectral range, and furthermore observe the pristine polymers' responses to depend on the excitation energy...
October 17, 2016: Journal of Physical Chemistry Letters
Kyung Hee Do, Sang Ho Ahn, Rodney Jones, Sung Ho Jang, Su Min Son, Dong Gyu Lee, Hee Kyung Cho, Gyu Sik Choi, Yun-Woo Cho
OBJECTIVES: Sacroiliac joint (SIJ) injections have been used to provide short-term relief of SIJ pain. In this study, the authors investigated a new technique using a superior approach. METHODS: Twenty four patients with chronic SI joint paint were recruited. Each patient was treated with a single SIJ intra-articular injection plus a periarticular injection of local anesthetic and corticosteroid in one procedure. Technical accuracy of the intra-articular procedure was determined by having 2 independent observers review and rate the quality of arthrograms obtained...
October 2016: Pain Medicine: the Official Journal of the American Academy of Pain Medicine
Akio Morinobu, Shino Tanaka, Keisuke Nishimura, Soshi Takahashi, Goichi Kageyama, Yasushi Miura, Masahiro Kurosaka, Jun Saegusa, Shunichi Kumagai
In rheumatoid arthritis (RA), synovial fibroblasts (RA-SFs) accumulate in affected joints, where they play roles in inflammation and joint destruction. RA-SFs exhibit tumor-like proliferation and are resistant to apoptosis. Although RA-SF activation is well described, negative regulators of RA-SF activation are unknown. We previously reported that histone deacetylase (HDAC) inhibitors facilitate apoptosis in RA-SFs. Here we found that RA-SFs treated with the HDAC inhibitor Trichostatin A (TSA) exhibited an upregulation of the immediate early response gene X-1 (IEX-1)...
2016: PloS One
David Dreizin, Jason Nascone, Derik L Davis, Daniel Mascarenhas, Nikki Tirada, Haoxing Chen, Uttam K Bodanapally
OBJECTIVE: Pelvic binders may hinder radiologic assessment of pelvic instability after trauma, and avulsive injuries can potentially unmask instability in this setting. We compare the performance of MDCT for the detection of pelvic disruptions in patients with binders to a matched cohort without binders, and we assess the utility of avulsive injuries as signs of pelvic instability. MATERIALS AND METHODS: MDCT examinations of 56 patients with binders were compared with MDCT examinations of 54 patients without binders...
September 28, 2016: AJR. American Journal of Roentgenology
Augusta Ortolan, Paolo Lazzarin, Mariagrazia Lorenzin, Lucia Rampin, Roberta Ramonda
Spondyloarthritis (SpA) is usually characterized by early inflammatory involvement of the sacroiliac joints (SI), which constitutes one of the most important classification criteria according to the SpondyloArthritis International Society (ASAS). These criteria do not include inflammatory spine lesions which can be detected on MRI, although spine involvement is very common in axial SpA. This is because spine MRI lesion often retrieved in SpA are not very specific, and can be found in many other diseases such as malignancy and osteoarthritis...
September 27, 2016: Clinical Rheumatology
Laís Uyeda Aivazoglou, Orlando Rondan Zotti, Marcelo de Medeiros Pinheiro, Moacir Ribeiro de Castro Junior, Andrea Puchnick, Artur da Rocha Corrêa Fernandes, Eloy de Ávila Fernandes
OBJECTIVE: To evaluate the imaging features of spondyloarthritis in magnetic resonance imaging (MRI) of the sacroiliac (SI) joint, topography (in thirds) and affected margin, considering that this issue is rarely addressed in the literature. METHODS: Cross-sectional study evaluating MRI (1.5T) of SI joints in 16 patients with axial spondyloarthritis for the presence of acute changes (subchondral bone edema, enthesitis, synovitis and capsulitis) and chronic changes (erosions, subchondral bone sclerosis, bony bridges, and fatty infiltration), performed by two radiologists blind for clinical data...
September 9, 2016: Revista Brasileira de Reumatologia
Gregor Hülsen, Julian Gröbner, Saulius Nevas, Peter Sperfeld, Luca Egli, Geiland Porrovecchio, Marek Smid
One major objective of the European Joint Research Project "Traceability for surface spectral solar ultraviolet (UV) radiation" was to reduce the uncertainty of spectral UV measurements. The measurement instrument used for this work was the portable UV European reference spectroradiometer Qasume. The calibration uncertainty of this instrument was decreased and validated by a comparison of direct calibrations against a primary standard for spectral irradiance, a high temperature blackbody radiator, and against a reference detector using a spectrally tunable laser as a monochromatic source...
September 10, 2016: Applied Optics
Frederiek Laloo, N Herregods, G Varkas, J L Jaremko, X Baraliakos, D Elewaut, F Van den Bosch, K Verstraete, L Jans
OBJECTIVES: To determine the diagnostic value of MR signal within the sacroiliac (SI) joint space in spondyloarthritis (SpA). METHODS: A retrospective analysis of MRIs of SI joints was performed in 363 patients, aged 16-45 years, clinically suspected of sacroiliitis. Intra-articular SI joint MR signals were categorized as normal, high T1 signal, fluid signal, ankylosis or vacuum phenomenon (VP). These MRI findings were correlated with the final diagnosis, according to the ASAS criteria...
September 20, 2016: European Radiology
Si-Huei Lee, Shih-Ching Yeh, Rai-Chi Chan, Shuya Chen, Geng Yang, Li-Rong Zheng
Objective. This study aims to extract motor ingredients through data mining from wearable sensors in a virtual reality goal-directed shoulder rehabilitation (GDSR) system and to examine their effects toward clinical assessment. Design. A single-group before/after comparison. Setting. Outpatient research hospital. Subjects. 16 patients with frozen shoulder. Interventions. The rehabilitation treatment involved GDSR exercises, hot pack, and interferential therapy. All patients first received hot pack and interferential therapy on the shoulder joints before engaging in the exercises...
2016: BioMed Research International
Sung-Dae Choung, Kyue-Nam Park, Si-Hyun Kim, Oh-Yun Kwon
BACKGROUND: Overuse of the extensor carpi radialis (ECR) may play a role in the development of lateral epicondylitis (LE). However, no studies have investigated the muscle activity ratio between the ECR and extensor carpi ulnaris (ECU) associated with the kinematics during wrist extension in workers with LE. OBJECTIVE: We compared the ratio (ECR/ECU) of muscle activity between the ECR and ECU and the kinematics of the wrist during wrist extension between workers with and without LE...
September 7, 2016: Work: a Journal of Prevention, Assessment, and Rehabilitation
Patrick J Polsunas, Gwendolyn Sowa, Julie M Fritz, Angela Gentili, Natalia E Morone, Srinivasa Naga Raja, Eric Rodriguez, Kenneth Schmader, Joel D Scholten, Debra K Weiner
OBJECTIVE: To present an algorithm of sequential treatment options for managing sacroiliac joint (SIJ) pain in the setting of chronic low back pain (CLBP) in the older adult. This is the tenth part in a series, and includes an illustrative clinical case. METHODS: The stepped care drug table and evaluation and treatment algorithm were created following a thorough literature review of approaches and subsequent analysis through a modified Delphi process. The principal investigator developed the initial draft, which was refined for content by an interdisciplinary panel of five experts...
September 2016: Pain Medicine: the Official Journal of the American Academy of Pain Medicine
H P Zhou, M Xu, S Xu, L L Liu, C X Liu, L C Kwek, L X Xu
Being a low-cost, mass-production-compatible route to attain crystalline silicon, post-deposition crystallization of amorphous silicon has received intensive research interest. Here we report a low-temperature (300 °C), rapid (crystallization rate of ~17 nm/min) means of a-Si:H crystallization based on high-density hydrogen plasma. A model integrating the three processes of hydrogen insertion, etching, and diffusion, which jointly determined the hydrogenation depth of the excess hydrogen into the treated micrometer thick a-Si:H, is proposed to elucidate the hydrogenation depth evolution and the crystallization mechanism...
2016: Scientific Reports
Thomas Biberger, Stephan D Ewert
Human auditory perception and speech intelligibility have been successfully described based on the two concepts of spectral masking and amplitude modulation (AM) masking. The power-spectrum model (PSM) [Patterson and Moore (1986). Frequency Selectivity in Hearing, pp. 123-177] accounts for effects of spectral masking and critical bandwidth, while the envelope power-spectrum model (EPSM) [Ewert and Dau (2000). J. Acoust. Soc. Am. 108, 1181-1196] has been successfully applied to AM masking and discrimination...
August 2016: Journal of the Acoustical Society of America
Clay Frank, Dimitriy Kondrashov, S Craig Meyer, Gary Dix, Morgan Lorio, Don Kovalsky, Daniel Cher
BACKGROUND: The evidence base supporting minimally invasive sacroiliac (SI) joint fusion (SIJF) surgery is increasing. The work relative value units (RVUs) associated with minimally invasive SIJF are seemingly low. To date, only one published study describes the relative work intensity associated with minimally invasive SIJF. No study has compared work intensity vs other commonly performed spine surgery procedures. METHODS: Charts of 192 patients at five sites who underwent either minimally invasive SIJF (American Medical Association [AMA] CPT® code 27279) or lumbar microdiscectomy (AMA CPT® code 63030) were reviewed...
2016: ClinicoEconomics and Outcomes Research: CEOR
Cai-xia Jin, Xiao-wei Si, Zi-ying Wang, Qin-wen Zhang
Soil and vegetable samples were collected from 13 different livestock farms of different sizes in Xinxiang of China, and the residues of three sulfonamides including sulfadiazine, sulfamonomethoxine, and sulfamethoxazole were analyzed by HPLC with a fluorimetric detector, The results indicated that the total concentration ranges of the three sulfonamides in soil and vegetable were 7.60-176.26 µg · kg⁻¹ and ND-32, 70 µg · kg⁻¹, respectively. The mean concentrations were 70.73 µg · kg⁻¹ and 7.08 µg · kg⁻¹ for soil and vegetables...
April 15, 2016: Huan Jing Ke Xue= Huanjing Kexue
B Hari Krishnan, Yogesh Sharma, Girish Magdum
BACKGROUND: Unstable posterior pelvic and sacroiliac joint injuries are challenging fractures mostly managed conservatively in our military hospitals till date. We carried out a retrospective analysis of early fixation of these fractures at our hospital and compared it with the existing literature as regards its safety and efficacy. METHODS: A retrospective analysis of all patients admitted and managed by internal fixation for unstable posterior pelvic fractures was carried out for evaluation of its efficacy and safety...
July 2016: Medical Journal, Armed Forces India
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