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https://www.readbyqxmd.com/read/28327184/catestatin-vasostatin-cortisol-and-pain-assessments-in-dogs-suffering-from-traumatic-bone-fractures
#1
Thanikul Srithunyarat, Ragnvi Hagman, Odd V Höglund, Mats Stridsberg, Ulf Olsson, Jeanette Hanson, Chalermkwan Nonthakotr, Anne-Sofie Lagerstedt, Ann Pettersson
BACKGROUND: Traumatic bone fractures cause moderate to severe pain, which needs to be minimized for optimal recovery and animal welfare, illustrating the need for reliable objective pain biomarkers for use in a clinical setting. The objectives of this study were to investigate catestatin (CST) and vasostatin (VS) concentrations as two new potential biomarkers, and cortisol concentrations, scores of the short form of the Glasgow composite measure pain scale (CMPS-SF), and visual analog scale (VAS) in dogs suffering from traumatic bone fractures before and after morphine administration in comparison with healthy dogs...
March 21, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/28326421/nontraumatic-tibial-polyethylene-insert-cone-fracture-in-mobile-bearing-posterior-stabilized-total-knee-arthroplasty
#2
Yohei Tanikake, Koji Hayashi, Munehiro Ogawa, Yusuke Inagaki, Kenji Kawate, Tetsuya Tomita, Yasuhito Tanaka
A 72-year-old male patient underwent mobile-bearing posterior-stabilized total knee arthroplasty for osteoarthritis. He experienced a nontraumatic polyethylene tibial insert cone fracture 27 months after surgery. Scanning electron microscopy of the fracture surface of the tibial insert cone suggested progress of ductile breaking from the posterior toward the anterior of the cone due to repeated longitudinal bending stress, leading to fatigue breaking at the anterior side of the cone, followed by the tibial insert cone fracture at the anterior side of the cone, resulting in fracture at the base of the cone...
December 2016: Arthroplasty Today
https://www.readbyqxmd.com/read/28325640/computed-tomography-based-3-dimensional-finite-element-analyses-of-various-types-of-plates-placed-for-a-virtually-reduced-unilateral-condylar-fracture-of-the-mandible-of-a-patient
#3
Kazuhiro Murakami, Kazuhiko Yamamoto, Tsutomu Sugiura, Satoshi Horita, Yumiko Matsusue, Tadaaki Kirita
PURPOSE: This study was performed to evaluate stresses in various types of plates placed for a virtually reduced unilateral condylar fracture of the mandible using computed tomography-based 3-dimensional finite element (FE) models of a patient to select the optimal plate system. MATERIALS AND METHODS: A computed tomography-based FE model of the mandible of a patient with a unilateral condylar fracture was constructed. The fracture was virtually reduced and fixed with 1 straight titanium plate; 2 straight titanium plates; 2 straight poly-L-lactic acid plates; and 4-hole (box), 5-hole (strut), and 7-hole (lambda) condylar plates...
February 24, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28324131/case-report-fast-reversal-of-severe-osteoporosis-after-correction-of-excessive-levothyroxine-treatment-and-long-term-follow-up
#4
C M Laine, K Landin-Wilhelmsen
This case report describes a 38-year-old woman, who presented with bilateral femoral stress fractures and osteoporosis after years of excessive levothyroxine treatment. Her bone health was restored rapidly and long-lasting with the reduction of levothyroxine dosage. No bone-active treatment was warranted. INTRODUCTION: Hyperthyroidism is a known risk factor for osteoporosis and fractures. Recent studies on patients with serum thyrotropin-suppressive therapy have not, however, indicated adverse effects on bone during long-term follow-up...
March 21, 2017: Osteoporosis International
https://www.readbyqxmd.com/read/28323806/improving-pain-management-and-long-term-outcomes-following-high-energy-orthopaedic-trauma-pain-study
#5
Renan C Castillo, Srinivasa N Raja, Katherine P Frey, Heather A Vallier, Paul Tornetta, Todd Jaeblon, Brandon J Goff, Allan Gottschalk, Daniel O Scharfstein, Robert V OʼToole
Poor pain control after orthopaedic trauma is a predictor of physical disability and numerous negative long-term outcomes. Despite increased awareness of the negative consequences of poorly controlled pain, analgesic therapy among hospitalized patients after orthopaedic trauma remains inconsistent and often inadequate. The Pain study is a 3 armed, prospective, double-blind, multicenter randomized trial designed to evaluate the effect of standard pain management versus standard pain management plus perioperative nonsteroidal anti-inflammatory drugs or pregabalin in patients of ages 18-85 with extremity fractures...
April 2017: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/28323803/patient-response-to-an-integrated-orthotic-and-rehabilitation-initiative-for-traumatic-injuries-the-prioriti-mtf-study
#6
Joseph R Hsu, Johnny G Owens, Jennifer DeSanto, John R Fergason, Kevin M Kuhn, Benjamin K Potter, Daniel J Stinner, Robert G Sheu, Sandra L Waggoner, Jason M Wilken, Yanjie Huang, Daniel O Scharfstein, Ellen J MacKenzie
Although limb salvage is now possible for many high-energy open fractures and crush injuries to the distal tibia, ankle, hindfoot, and midfoot, orthotic options are limited. The Intrepid Dynamic Exoskeletal Orthosis (IDEO) is a custom, energy-storing carbon fiber orthosis developed for trauma patients undergoing limb salvage. The IDEO differs from other orthoses in that it allows patients with ankle weakness to have more normal ankle biomechanics and increased ankle power. This article describes the design of a study to evaluate the effectiveness of the IDEO when delivered together with a high-intensity, sports medicine-based approach to rehabilitation...
April 2017: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/28323705/etiology-of-adult-onset-stress-fracture-in-the-lumbar-spine
#7
Fumitake Tezuka, Koichi Sairyo, Toshinori Sakai, Akira Dezawa
STUDY DESIGN: This study was a case series. OBJECTIVE: The purpose of this paper was to present a case series of fresh stress fractures (spondylolysis) in the lumbar spines of adult athletes. SUMMARY OF BACKGROUND DATA: Lumbar spondylolysis is a stress fracture of the pars interarticularis, which is generally considered a disease of children or adolescence. There is only 1 case series written in English reporting on adult-onset fresh spondylolysis...
April 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28322263/causal-mechanisms-of-seismo-em-phenomena-during-the-1965-1967-matsushiro-earthquake-swarm
#8
Yuji Enomoto, Tsuneaki Yamabe, Nobuo Okumura
The 1965-1967 Matsushiro earthquake swarm in central Japan exhibited two unique characteristics. The first was a hydro-mechanical crust rupture resulting from degassing, volume expansion of CO2/water, and a crack opening within the critically stressed crust under a strike-slip stress. The other was, despite the lower total seismic energy, the occurrence of complexed seismo-electromagnetic (seismo-EM) phenomena of the geomagnetic intensity increase, unusual earthquake lights (EQLs) and atmospheric electric field (AEF) variations...
March 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28321570/comparative-analysis-of-locking-plate-versus-hook-plate-osteosynthesis-of-neer-type-iib-lateral-clavicle-fractures
#9
Benjamin Erdle, Kaywan Izadpanah, Martin Jaeger, Patrizia Jensen, Lukas Konstantinidis, Jörn Zwingmann, Norbert P Südkamp, Dirk Maier
INTRODUCTION: Controversy exists on optimal operative treatment of vertically unstable Neer IIB lateral clavicle fractures. Aim of this study was to analyse and compare clinical and radiological results and complications of locking plate osteosynthesis (LPO) versus hook plate osteosynthesis (HPO) with acromioclavicular joint (ACJ) stabilization. The hypothesis was, that HPO would recreate coracoclavicular stability more effectively and potentially lead to a superior outcome. METHODS: This retrospective, observational cohort study included 32 patients (19 HPO, 13 LPO) with a mean age of 44...
March 20, 2017: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/28319038/fracture-toughness-enhancement-of-h-bn-monolayers-via-hydrogen-passivation-of-a-crack-edge
#10
Rajesh Kumar, Avinash Parashar
Molecular dynamics-based simulations were performed in conjunction with reactive force-field potential parameters to investigate the effect of crack-edge passivation via hydrogenation on the fracture properties of h-BN nanosheets. In semi-hydrogenated (H is attached to either B or N) and fully hydrogenated (H is attached to both B and N) crack-edge atoms, three hybridisation states-sp(2), sp(3) and sp(2) + sp(3)-were considered in the simulations. Significant improvement in the fracture toughness of h-BN nanosheets was predicted with semi- and fully hydrogenated crack-edge atoms...
March 20, 2017: Nanotechnology
https://www.readbyqxmd.com/read/28316966/bilateral-femoral-neck-stress-fracture-presented-with-unilateral-symptoms-in-a-shipman-laborer-a-case-report
#11
Asep Santoso, Sang-Don Joo, Dong-Hyun Lee, Young-Jun Seol, Kyung-Soon Park, Taek-Rim Yoon
Femoral neck stress fracture occured commonly in athlete and military recruit populations, some of them are bilateral. Bilateral femoral neck stress fracture that associated with other occupation is very uncommon. We report a bilateral femoral neck stress fracture case that presented with unilateral symptoms in a male shipman laborer. The patient was successfully treated conservatively. Stress fracture sometimes occur associated with an unexpected specific occupation. Consideration of bilateral involvement is highly important in managing stress fracture...
March 2017: Hip & Pelvis
https://www.readbyqxmd.com/read/28316344/mechanoluminescent-imaging-of-osmotic-stress-induced-damage-in-a-glassy-polymer-network
#12
Jess M Clough, Jasper van der Gucht, Rint P Sijbesma
A chemiluminescent mechanophore, bis(adamantyl-1,2-dioxetane), is used to investigate the covalent bond scission resulting from the sorption of chloroform by glassy poly(methyl methacrylate) (PMMA) networks. Bis(adamantyl)-1,2-dioxetane units incorporated as cross-linkers underwent mechanoluminescent scission, demonstrating that solvent ingress caused covalent bond scission. At higher cross-linking densities, the light emission took the form of hundreds of discrete bursts, widely varying in intensity, with each burst composed of 10(7)-10(9) photons...
March 14, 2017: Macromolecules
https://www.readbyqxmd.com/read/28314685/association-of-psoriasis-and-psoriatic-arthritis-with-osteoporosis-and-pathological-fractures
#13
Parul Kathuria, Kenneth B Gordon, Jonathan I Silverberg
BACKGROUND: Previous studies examining the relationship between psoriasis (Pso), osteoporosis, and pathological fractures found conflicting results. OBJECTIVE: To determine whether Pso and psoriatic arthritis (PsA) are associated with osteoporosis and fractures in US adults. METHODS: Cross-sectional study of 198,102,435 children and adults, including 183,725 with Pso and 28,765 with PsA from the 2006-2012 National Emergency Department Sample, including 20% of the emergency care visits throughout the United States...
March 14, 2017: Journal of the American Academy of Dermatology
https://www.readbyqxmd.com/read/28306184/physical-and-biological-properties-of-a-novel-anti-adhesion-material-made-of-thermally-cross-linked-gelatin-film-investigation-of-the-usefulness-as-anti-adhesion-material
#14
Tsunehito Horii, Hiroyuki Tsujimoto, Hiroe Miyamoto, Koki Yamanaka, Shota Tanaka, Hiroko Torii, Yuki Ozamoto, Hideki Takamori, Eiji Nakamachi, Yoshito Ikada, Akeo Hagiwara
To create more useful, effective and safer anti-adhesion materials, we developed a thermally cross-linked gelatin film. In this study, we examined the physical properties of the film such as the physical strength and the adhesiveness to reveal the handling properties and biological properties, such as the anti-adhesion effect, the influence on cell proliferation, and the cytotoxicity to reveal the anti-adhesion mechanism, especially in comparison with the conventional hyaluronic acid and carboxymethylcellulose film (the conventional film)...
March 17, 2017: Journal of Biomedical Materials Research. Part B, Applied Biomaterials
https://www.readbyqxmd.com/read/28302780/draft-genome-sequence-of-pseudomonas-sp-bdal1-reconstructed-from-a-bakken-shale-hydraulic-fracturing-produced-water-storage-tank-metagenome
#15
Daniel Lipus, Daniel Ross, Kyle Bibby, Djuna Gulliver
We report the 5,425,832 bp draft genome of Pseudomonas sp. strain BDAL1, recovered from a Bakken shale hydraulic fracturing-produced water tank metagenome. Genome annotation revealed several key biofilm formation genes and osmotic stress response mechanisms necessary for survival in hydraulic fracturing-produced water.
March 16, 2017: Genome Announcements
https://www.readbyqxmd.com/read/28300324/risk-of-stress-fracture-varies-by-race-ethnic-origin-in-a-cohort-study-of-1-3-million-u-s-army-soldiers
#16
Lakmini Bulathsinhala, Julie M Hughes, Craig J McKinnon, Joseph R Kardouni, Katelyn I Guerriere, Kristin L Popp, Ronald W Matheny, Mary L Bouxsein
Stress fractures (SF) are common and costly injuries in military personnel. Risk for SF has been shown to vary with race/ethnicity. Previous studies report increased SF risk in White and Hispanic Soldiers compared to Black soldiers. However, these studies did not account for the large ethnic diversity in the U.S. Military. PURPOSE: We aimed to identify differences in SF risk among racial/ethnic groups within the U.S. Army. METHODS: A retrospective cohort study was conducted using data from the Total Army Injury and Health Outcomes Database from 2001 until 2011...
March 16, 2017: Journal of Bone and Mineral Research: the Official Journal of the American Society for Bone and Mineral Research
https://www.readbyqxmd.com/read/28298228/is-transport-distance-correlated-with-animal-welfare-and-carcass-quality-of-reindeer-rangifer-tarandus-tarandus
#17
Sauli Laaksonen, Pikka Jokelainen, Jyrki Pusenius, Antti Oksanen
BACKGROUND: Slaughter reindeer are exposed to stress caused by gathering, handling, loading and unloading, and by conditions in vehicles during transport. These stress factors can lead to compromised welfare and trauma such as bruises or fractures, aspiration of rumen content, and abnormal odour in carcasses, and causing condemnations in meat inspection and lower meat quality. We investigated the statistical association of slaughter transport distance with these indices using meat inspection data from years 2004-2016, including inspection of 669,738 reindeer originating from Finnish reindeer herding areas...
March 15, 2017: Acta Veterinaria Scandinavica
https://www.readbyqxmd.com/read/28295677/a-novel-design-of-multi-mechanoresponsive-and-mechanically-strong-hydrogels
#18
Hong Chen, Fengyu Yang, Qiang Chen, Jie Zheng
A newly developed polyacrylamide-co-methyl acrylate/spiropyran (SP) hydrogel crosslinked by SP mechanophore demonstrates multi-stimuli-responsive and mechanically strong properties. The hydrogels not only exhibit thermo-, photo-, and mechano-induced color changes, but also achieve super-strong mechanical properties (tensile stress of 1.45 MPa, tensile strain of ≈600%, and fracture energy of 7300 J m(-2) ). Due to a reversible structural transformation between spiropyran (a ring-close) and merocyanine (a ring-open) states, simple exposure of the hydrogels to white light can reverse color changes and restore mechanical properties...
March 15, 2017: Advanced Materials
https://www.readbyqxmd.com/read/28295116/polymer-liquids-fracture-like-solids
#19
Qian Huang, Ole Hassager
While fracture in brittle solids has been studied for centuries until today, there are few studies on fracture in polymer liquids. Recent developments in experimental techniques, especially the combination of controlled filament stretching rheometry and high speed imaging, have opened new windows into the detailed study of fracture processes for polymer liquids. High speed imaging shows that polymer liquids fracture like solids with initiation and propagation of an edge fracture. However, remarkable features such as highly reproducible critical stress, independent appearance of multiple fractures, and trumpet crack profiles, reveal mechanisms which are significantly different from solids...
March 15, 2017: Soft Matter
https://www.readbyqxmd.com/read/28293486/sacral-insufficiency-fractures-recognition-and-treatment-in-patients-with-concurrent-lumbar-vertebral-compression-fractures
#20
Jesse Hatgis, Michelle Granville, Robert E Jacobson, Aldo Berti
INTRODUCTION: In reviewing a larger group of osteoporotic vertebral compression fractures (VCFs), we found that the overall incidence of sacral insufficiency fractures (SIFs) is higher than commonly reported values. This is especially seen in patients with previous or concurrent lumbar VCFs and also in a subgroup that had lumbar stenosis or hip arthroplasty. The altered biomechanics due to associated lumbar stenosis or hip arthroplasty lead to increased mechanical stress on already weakened and deficient sacral alae, which are more vulnerable to osteoporotic weakening than other parts of the sacrum...
February 2, 2017: Curēus
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