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https://www.readbyqxmd.com/read/28339752/testing-shoulder-pain-mapping
#1
Levent Bayam, Rajendra Arumilli, Ian Horsley, Fatma Bayam, Lee Herrington, Lennard Funk
Objective. : A previous study on shoulder pain mapping showed specific pain patterns for common shoulder disorders. This study aimed to test those patterns for accuracy, modify shoulder pain mapping as needed, and observe their reliability and validity. Methods. : This prospective study used a two-step process and was undertaken to determine its potential utility in daily practice. New shoulder pain patients marked their pain, its character and severity, on a custom-made mapping form...
February 22, 2017: Pain Medicine: the Official Journal of the American Academy of Pain Medicine
https://www.readbyqxmd.com/read/28337199/nutrient-and-metabolic-sensing-in-t-cell-responses
#2
REVIEW
Jun Wei, Jana Raynor, Thanh-Long M Nguyen, Hongbo Chi
T cells play pivotal roles in shaping host immune responses in infectious diseases, autoimmunity, and cancer. The activation of T cells requires immune and growth factor-derived signals. However, alterations in nutrients and metabolic signals tune T cell responses by impinging upon T cell fates and immune functions. In this review, we summarize how key nutrients, including glucose, amino acids, and lipids, and their sensors and transporters shape T cell responses. We also briefly discuss regulation of T cell responses by oxygen and energy sensing mechanisms...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28336559/microvascular-endothelial-dysfunction-in-obesity-is-driven-by-macrophage-dependent-hydrogen-sulfide-depletion
#3
Joseph Candela, Rui Wang, Carl White
OBJECTIVE: The function of perivascular adipose tissue as an anticontractile mediator in the microvasculature is lost during obesity. Obesity results in inflammation and recruitment of proinflammatory macrophages to the perivascular adipose tissue that is paralleled by depletion of the vasorelaxant signaling molecule hydrogen sulfide (H2S) in the vessel. The current objective was to assess the role of macrophages in determining vascular [H2S] and defining how this impinged on vasodilation...
March 23, 2017: Arteriosclerosis, Thrombosis, and Vascular Biology
https://www.readbyqxmd.com/read/28336246/does-hip-arthroscopy-have-a-role-in-the-treatment-of-developmental-hip-dysplasia
#4
Jacob M Kirsch, Moin Khan, Asheesh Bedi
BACKGROUND: Indications for hip arthroscopy in mildly dysplastic patients with a symptomatic hip remain controversial. METHODS: This article provides a concise review of the available literature evaluating the role of hip arthroscopy in treating symptomatic dysplasia. Potential indications for hip arthroscopy in isolation are reviewed. Emerging evidence on the role of hip arthroscopy based on patient-specific pathomorphology is highlighted. RESULTS: Hip arthroscopy in isolation may be helpful for select dysplastic patients with dynamic impingement or microinstability...
February 27, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28335360/super-hydrophobic-icephobic-coatings-based-on-silica-nanoparticles-modified-by-self-assembled-monolayers
#5
Junpeng Liu, Zaid A Janjua, Martin Roe, Fang Xu, Barbara Turnbull, Kwing-So Choi, Xianghui Hou
A super-hydrophobic surface has been obtained from nanocomposite materials based on silica nanoparticles and self-assembled monolayers of 1H,1H,2H,2H-perfluorooctyltriethoxysilane (POTS) using spin coating and chemical vapor deposition methods. Scanning electron microscope images reveal the porous structure of the silica nanoparticles, which can trap small-scale air pockets. An average water contact angle of 163° and bouncing off of incoming water droplets suggest that a super-hydrophobic surface has been obtained based on the silica nanoparticles and POTS coating...
December 2, 2016: Nanomaterials
https://www.readbyqxmd.com/read/28334547/origin-of-cam-morphology-in-femoroacetabular-impingement
#6
William Z Morris, Ryan T Li, Raymond W Liu, Michael J Salata, James T Voos
Cam morphology of the proximal femur is an abnormal contour of the femoral head-neck junction present in approximately 15% to 25% of the asymptomatic population, predominantly in males. Alpha angle and femoral head-neck offset ratio are 2 objective measurement tools that define cam morphology. Both primary (idiopathic) and secondary cam deformity develops through distinct mechanisms. The cause of primary (idiopathic) cam morphology remains incompletely understood. Mounting evidence suggests that idiopathic cam morphology develops during adolescence through alterations in the capital femoral epiphysis in response to participation in vigorous sporting activity...
March 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28333947/surgical-interventions-to-treat-humerus-shaft-fractures-a-network-meta-analysis-of-randomized-controlled-trials
#7
Jia-Guo Zhao, Jia Wang, Xiao-Hui Meng, Xian-Tie Zeng, Shi-Lian Kan
BACKGROUND: There are three main surgical techniques to treat humeral shaft fractures: open reduction and plate fixation (ORPF), intramedullary nail (IMN) fixation, and minimally invasive percutaneous osteosynthesis (MIPO). We performed a network meta-analysis to compare three surgical procedures, including ORPF, IMN fixation, and MIPO, to provide the optimum treatment for humerus shaft fractures. METHODS: MEDLINE, EMBASE, Cochrane Bone, Joint and Muscle Trauma Group Specialised Register, and Cochrane library were researched for reports published up to May 2016...
2017: PloS One
https://www.readbyqxmd.com/read/28331459/heterotopic-ossification-of-the-calvarium-following-bilateral-craniectomies-in-traumatic-brain-injury
#8
Rafael A Vega, Leslie Hutchins
BACKGROUND: Heterotopic ossification (HO) is defined as ectopic bone formation following traumatic brain injury. Patients typically develop lesions in the hips, knees, and elbows that cause pain, restricted range of motion, nerve impingement, and pressure ulcers. CASE REPORT: We report an unusual presentation of HO in an 18-year-old male who was involved in a motor vehicle accident and subsequently developed malignant intracranial pressure. His HO developed following bilateral craniectomies in which 2 different dural substitutes were used...
2017: Ochsner Journal
https://www.readbyqxmd.com/read/28331049/achieving-precision-death-with-cell-cycle-inhibitors-that-target-dna-replication-and-repair
#9
Aimee Bence Lin, Samuel C McNeely, Richard P Beckmann
All cancers are characterized by defects in the systems that ensure strict control of the cell cycle in normal tissues. The consequent excess tissue growth can be countered by drugs that halt cell division and, indeed, the majority of chemotherapeutics developed during the last century work by disrupting processes essential for the cell cycle, particularly DNA synthesis, DNA replication, and chromatid segregation. In certain contexts the efficacy of these classes of drugs can be impressive but, because they indiscriminately block the cell cycle of all actively dividing cells, their side effects severely constrain the dose and duration with which they can be administered, allowing both normal and malignant cells to escape complete growth arrest...
March 22, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28330871/human-mitochondrial-cytochrome-c-oxidase-assembly-factor-cox18-acts-transiently-as-a-membrane-insertase-within-the-subunit-2-maturation-module
#10
Myriam Bourens, Antoni Barrientos
Defects in mitochondrial cytochrome c oxidase or respiratory chain complex IV (CIV) assembly are a frequent cause of human mitochondrial disorders. Specifically, mutations in four conserved assembly factors impinging the biogenesis of the mitochondrion-encoded catalytic core subunit 2 (COX2) result in myopathies. These factors afford stability of newly-synthesized COX2 (the dystonia-ataxia syndrome protein COX20), a protein with two transmembrane domains, and maturation of its copper center CuA (cardiomyopathy proteins SCO1, SCO2 and COA6)...
March 22, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28330586/structured-wii-protocol-for-rehabilitation-of-shoulder-impingement-syndrome-a-pilot-study
#11
John-Ross Rizzo, Peter Thai, Edward J Li, Terence Tung, Todd E Hudson, Joseph Herrera, Preeti Raghavan
OBJECTIVE: To determine the feasibility and efficacy of using a structured Nintendo Wii protocol to improve range of motion, strength, and quality of life in patients with shoulder impingement syndrome. METHODS: A total of 14 patients with shoulder pain were randomized to perform a structured Wii protocol (n=8) or conventional therapy (n=6). Pain-free shoulder range of motion, strength, shoulder pain and disability, and quality of life were assessed pre- and post-treatment...
March 15, 2017: Annals of Physical and Rehabilitation Medicine
https://www.readbyqxmd.com/read/28328635/a-systematic-review-of-the-use-of-telemedicine-in-plastic-and-reconstructive-surgery-and-dermatology
#12
Krishna S Vyas, H Rhodes Hambrick, Afaaf Shakir, Shane D Morrison, Duy C Tran, Keon Pearson, Henry C Vasconez, Samir Mardini, Amanda A Gosman, Marek Dobke, Mark S Granick
BACKGROUND: Telemedicine, the use of information technology and telecommunication to provide healthcare at a distance, is a burgeoning field with applications throughout medicine. Given the visual nature of plastic surgery and dermatology, telemedicine has a myriad of potential applications within the field. METHODS: A comprehensive literature review of articles published on telemedicine since January 2010 was performed. Articles were selected for their relevance to plastic and reconstructive surgery and dermatology, and then reviewed for their discussion of the applications, benefits, and limitations of telemedicine in practice...
March 21, 2017: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/28325424/surgical-treatment-of-carpal-boss-by-simple-resection-results-in-25%C3%A2-cases-at-a-mean-of-8%C3%A2-years-follow-up
#13
S Roulet, G Bacle, E Marteau, J Laulan
Carpal boss is a symptomatic bony protrusion on the dorsal surface of the wrist at the base of the 2nd and/or 3rd metacarpal. The goal of this study was to assess the reliability and safety of simply resecting the exostosis. From 1994 to 2014, 29 cases of carpal boss were treated by simple resection. Twenty-five of these patients were subsequently assessed by telephone questionnaire at a mean of 8 years' follow-up (range 1.1 to 20 years). There were no cases of recurrence; however, 1 patient reported carpometacarpal instability requiring fusion, 5 years after surgery...
April 2017: Hand Surgery and Rehabilitation
https://www.readbyqxmd.com/read/28324121/-impingement-syndrome-of-the-ankle
#14
R-I Milos, L B Fritz, C Schueller-Weidekamm
Impingement syndrome of the ankle is a clinical diagnosis caused posttraumatically by overuse due to repetitive mechanical loading or the presence of predisposing anatomical variants. Ankle impingement syndrome is characterized by chronic pain and limited range of movement caused by mechanical compression of bony or soft tissues within the joint compartments. Ankle impingement syndrome is classified according to the various anatomical locations around the tibiotalar joint as anterior, anterolateral, anteromedial, posterior or posteromedial...
March 21, 2017: Der Radiologe
https://www.readbyqxmd.com/read/28323422/mechanisms-of-hydrogen-assisted-co2-reduction-on-nickel
#15
Wei Lin, Kelsey M Stocker, George C Schatz
Mechanistic details of catalytic reactions are critical to the development of improved catalysts. Here, we perform high quality Born-Oppenheimer molecular dynamics (BOMD) simulations of the reaction mechanisms associated with hydrogen-assisted CO2 reduction on Ni(110). The simulation results show direct theoretical evidence for both associative and redox mechanisms in the reaction of atomic hydrogen with CO¬2. Since H2 is dissociatively chemisorbed on Ni(110) with nearly unit probability, the mechanisms we find are also relevant to the RWGS reaction (H2 with adsorbed CO¬2)...
March 21, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/28322758/increased-seat-dump-angle-in-a-manual-wheelchair-is-associated-with-changes-in-thoracolumbar-lordosis-and-scapular-kinematics-during-propulsion
#16
Beth A Cloud, Kristin D Zhao, Arin M Ellingson, Ahmad Nassr, Anthony J Windebank, Kai-Nan An
OBJECTIVE: To quantify and compare spinal curvature and shoulder kinematics throughout the manual wheelchair propulsion cycle for individuals with spinal cord injury (SCI) who were seated at 2 different seat dump angles. DESIGN: Single-group, repeated-measures study. SETTING: Academic medical center. PARTICIPANTS: Twenty-eight individuals completed the telephone screening; 21 were eligible and completed the study. INTERVENTIONS: Participants' personal manual wheelchairs were modified to have seat dump angles of 0° or 14°, with a vertical backrest...
March 18, 2017: Archives of Physical Medicine and Rehabilitation
https://www.readbyqxmd.com/read/28321187/steps-to-health-in-cognitive-aging-effects-of-physical-activity-on-spatial-attention-and-executive-control-in-the-elderly
#17
Giancarlo Condello, Roberta Forte, Simone Falbo, John B Shea, Angela Di Baldassarre, Laura Capranica, Caterina Pesce
The purpose of this study was to investigate whether physical activity (PA) habits may positively impact performance of the orienting and executive control networks in community-dwelling aging individuals and diabetics, who are at risk of cognitive dysfunction. To this aim, we tested cross-sectionally whether age, ranging from late middle-age to old adulthood, and PA level independently or interactively predict different facets of the attentional performance. Hundred and thirty female and male individuals and 22 adults with type 2 diabetes aged 55-84 years were recruited and their daily PA (steps) was objectively measured by means of armband monitors...
2017: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/28318922/surgical-rehabilitation-for-anophthalmic-sockets-devoid-of-orbital-implant
#18
Doo-Ri Eo, Yoon-Duck Kim, Kyung In Woo
PURPOSE: To determine the necessity of rehabilitative surgical procedures for no implant anophthalmic sockets, and predictive factors of corrective operations after secondary orbital implantation. MATERIAL AND METHODS: Nineteen unilateral anophthalmic patients without orbital implant were included. The distance of eyebrow, upper eyelid margin, and lower eyelid margin from the horizontal medial canthal line (BM, UM, and LM, respectively) was measured using photographs...
February 13, 2017: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/28304240/posterior-arch-c-1-screw-technique-a-cadaveric-comparison-study
#19
Marc Moisi, Christian Fisahn, Lara Tkachenko, Shiveindra Jeyamohan, Stephen Reintjes, Peter Grunert, Daniel C Norvell, R Shane Tubbs, Jeni Page, David W Newell, Peter Nora, Rod J Oskouian, Jens Chapman
OBJECTIVE Posterior atlantoaxial stabilization and fusion using C-1 lateral mass screw fixation has become commonly used in the treatment of instability and for reconstructive indications since its introduction by Goel and Laheri in 1994 and modification by Harms in 2001. Placement of such lateral mass screws can be challenging because of the proximity to the spinal cord, vertebral artery, an extensive venous plexus, and the C-2 nerve root, which overlies the designated starting point on the posterior center of the lateral mass...
March 17, 2017: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/28302429/does-bony-regrowth-occur-after-arthroscopic-femoroplasty-in-a-group-of-young-adolescents-femoroplasty-regrowth-in-adolescents
#20
Itay Perets, Asheesh Gupta, Edwin O Chaharbakhshi, Lyall Ashberg, David E Hartigan, Mary R Close, Benjamin G Domb
PURPOSE: To evaluate femoral head-neck bone regrowth and PROs in skeletally immature patients that underwent arthroscopic femoroplasties over a minimum 2-year period. METHODS: Eleven skeletally immature hips (10 patients) with open femoral head physes underwent femoroplasty between October 2008 and November 2013. Inclusion criteria were minimum 2-year follow-up with patient-reported outcomes (PROs) and radiographs preoperatively, at 2 weeks, and at a minimum of 2 years postoperatively...
March 13, 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
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