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https://www.readbyqxmd.com/read/28637185/a-novel-method-of-open-reduction-and-internal-fixation-of-a-displaced-manubrial-fracture-using-distal-clavicle-locking-plates
#1
Daniel Miller, M Adeel Akhtar, Jonathan Fergusson, James L McVie
A 52-year-old man sustained a sternal fracture after a blunt traumatic chest injury. He was in severe pain in the intensive care unit, which resulted in difficulty breathing and increased analgesic requirement, and a decision was made to stabilize his manubrial fracture. Orthopaedic and thoracic surgeons jointly performed open reduction and internal fixation of the displaced manubrial fracture using 2 distal clavicle locking plates. This resulted in improvement in patient's pain and helped with his subsequent recovery and discharge from the hospital...
June 20, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/28636926/enhanced-human-bone-marrow-mesenchymal-stromal-cell-adhesion-on-scaffolds-promotes-cell-survival-and-bone-formation
#2
Miryam Mebarki, Laura Coquelin, Pierre Layrolle, Séverine Battaglia, Marine Tossou, Philippe Hernigou, Hélène Rouard, Nathalie Chevallier
In order to induce an efficient bone formation with human bone marrow mesenchymal stromal cells (hBMSC) associated to a scaffold, it is crucial to determine the key points of the hBMSC action after in vivo transplantation as well as the appropriate features of a scaffold. To this aim we compared the hBMSC behavior when grafted onto two biomaterials allowing different bone potential in vivo. The cancellous devitalized Tutoplast®-processed bone (TPB) and the synthetic hydroxyapatite/β-tricalcium-phosphate (HA/βTCP) which give at 6 weeks 100% and 50% of bone formation respectively...
June 18, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28634743/comminuted-olecranon-fractures-biomechanical-testing-of-locked-versus-minifragment-non-locked-plate-fixation
#3
David S Wellman, Scott M Tucker, Josh R Baxter, Nadine C Pardee, Lionel E Lazaro, Christopher S Smith, Dean G Lorich, David L Helfet
INTRODUCTION: Open reduction and internal fixation has long been accepted as optimal treatment for displaced olecranon fractures based on poor results seen with conservative management. With the presence of comminution, tension-band wiring constructs are contraindicated due to tendency to compress through fragments, thereby shortening the articular segment. Therefore, plate fixation is typically employed. Our hypothesis was that in a comminuted fracture model, 2.7 mm reconstruction plating without locking screws will perform equally to 3...
June 20, 2017: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/28633800/two-view-gravity-stress-imaging-protocol-for-nondisplaced-type-ii-supination-external-rotation-ankle-fractures-introducing-the%C3%A2-gravity%C3%A2-stress-cross-table-lateral-view
#4
Troy J Boffeli, Rachel C Collier, Samuel J Gervais
Assessing ankle stability in nondisplaced Lauge-Hansen supination external rotation type II injuries requires stress imaging. Gravity stress mortise imaging is routinely used as an alternative to manual stress imaging to assess deltoid integrity with the goal of differentiating type II from type IV injuries in cases without a posterior or medial fracture. A type II injury with a nondisplaced fibula fracture is typically treated with cast immobilization, and a type IV injury is considered unstable and often requires operative repair...
July 2017: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/28633789/displaced-salter-harris-type-i-distal-fibula-fractures-two-case-reports-and-a-review-of-the-literature
#5
Jeremy Korsh, Stephen Adolfsen
Salter-Harris type I (SH-I) fractures of the distal fibula are commonly encountered in pediatric orthopedics. We describe 2 unique cases of adolescents with completely displaced SH-I distal fibula fractures that were treated operatively. In the first case, a closed reduction attempt failed and the patient required open reduction and internal fixation of the distal fibula and syndesmosis. The syndesmotic ligaments were avulsed from the distal fibular metaphysis. In the second case, closed reduction of the distal fibula fracture was partially successful, but anatomic reduction could not be achieved without open reduction...
July 2017: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/28633784/complications-of-talar-neck-fractures-by-hawkins-classification-a%C3%A2-systematic-review
#6
REVIEW
Richard K Jordan, Kunaal R Bafna, Jiayong Liu, Nabil A Ebraheim
The goal of the present study was to perform a systematic review of the published data on talar neck fractures for a better understanding of the postoperative clinical outcomes using open reduction and internal fixation stratified by Hawkins type. A PubMed search was performed using the keywords "talar," "neck," and "fracture." This search identified 209 potential studies, which were reviewed to yield 16 studies that met the criteria. The surgical outcomes of talar neck fractures stratified by the Hawkins classification analyzed in the present study were as follows: American Orthopaedic Foot and Ankle Society scale score was 77...
July 2017: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/28633769/blisters-in-ankle-fractures-a-retrospective-cohort-study
#7
David González Quevedo, Juan Manuel Sánchez Siles, Facundo Rojas Tomba, Iskandar Tamimi Mariño, Manuel Francisco Bravo Bardaji, Francisco Villanueva Pareja
The most frequent postoperative complications after an ankle fracture are usually skin related. We present the results of a retrospective study of 112 patients with ankle fracture who had undergone open reduction and internal fixation from January 2014 to December 2014. The following features were analyzed: patient comorbidities, fracture type, the presence of an open fracture or fracture-dislocation, timing and duration of surgery, preoperative glucose level, and short-term complications (i.e., blisters, wound dehiscence, deep and superficial infections, and reintervention)...
July 2017: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/28632581/multicenter-retrospective-study-of-noncompressible-torso-hemorrhage-anatomic-locations-of-bleeding-and-comparison-of-endovascular-versus-open-approach
#8
Ronald Chang, Erin E Fox, Thomas J Greene, Brian J Eastridge, Ramyar Gilani, Kevin K Chung, Stacia M DeSantis, Joseph J DuBose, Jeffrey S Tomasek, Gerald R Fortuna, Valerie G Sams, S Rob Todd, Jeanette M Podbielski, Charles E Wade, John B Holcomb
BACKGROUND: Rational development of technology for rapid control of noncompressible torso hemorrhage (NCTH) requires detailed understanding of what is bleeding. Our objectives were to describe the anatomic location of truncal bleeding in patients presenting with NCTH and compare endovascular (ENDO) management versus open (OPEN) management. METHODS: This is a retrospective study of adult trauma patients with NCTH admitted to four urban Level I trauma centers in the Houston and San Antonio metropolitan areas in 2008 to 2012...
July 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28631217/24-month-open-label-teriparatide-once-weekly-efficacy-research-trial-examining-bone-mineral-density-in-subjects-with-primary-osteoporosis-and-high-fracture-risk
#9
Toshitsugu Sugimoto, Masataka Shiraki, Masao Fukunaga, Hiroshi Hagino, Teruki Sone, Tetsuo Nakano, Hideaki Kishimoto, Masako Ito, Hideki Yoshikawa, Mitsukazu Kishida, Chika Irie, Toshitaka Nakamura
INTRODUCTION: To clarify the additional efficacy and safety benefits of 24 months' treatment with the once-weekly formulation of teriparatide, which is currently used for 72 weeks. METHODS: This was a multicenter, open-label, single-arm study conducted in Japan. Subjects who were 65 years or older with prevalent vertebral fractures received once-weekly subcutaneous injection of 56.5 μg teriparatide for 24 months. The main outcome measure was percentage change from baseline in lumbar (L2-L4) BMD measured by dual-energy X-ray absorptiometry...
June 19, 2017: Advances in Therapy
https://www.readbyqxmd.com/read/28630927/welding-of-3d-printed-carbon-nanotube-polymer-composites-by-locally-induced-microwave-heating
#10
Charles B Sweeney, Blake A Lackey, Martin J Pospisil, Thomas C Achee, Victoria K Hicks, Aaron G Moran, Blake R Teipel, Mohammad A Saed, Micah J Green
Additive manufacturing through material extrusion, often termed three-dimensional (3D) printing, is a burgeoning method for manufacturing thermoplastic components. However, a key obstacle facing 3D-printed plastic parts in engineering applications is the weak weld between successive filament traces, which often leads to delamination and mechanical failure. This is the chief obstacle to the use of thermoplastic additive manufacturing. We report a novel concept for welding 3D-printed thermoplastic interfaces using intense localized heating of carbon nanotubes (CNTs) by microwave irradiation...
June 2017: Science Advances
https://www.readbyqxmd.com/read/28630909/dynamic-fracture-of-tantalum-under-extreme-tensile-stress
#11
Bruno Albertazzi, Norimasa Ozaki, Vasily Zhakhovsky, Anatoly Faenov, Hideaki Habara, Marion Harmand, Nicholas Hartley, Denis Ilnitsky, Nail Inogamov, Yuichi Inubushi, Tetsuya Ishikawa, Tetsuo Katayama, Takahisa Koyama, Michel Koenig, Andrew Krygier, Takeshi Matsuoka, Satoshi Matsuyama, Emma McBride, Kirill Petrovich Migdal, Guillaume Morard, Haruhiko Ohashi, Takuo Okuchi, Tatiana Pikuz, Narangoo Purevjav, Osami Sakata, Yasuhisa Sano, Tomoko Sato, Toshimori Sekine, Yusuke Seto, Kenjiro Takahashi, Kazuo Tanaka, Yoshinori Tange, Tadashi Togashi, Kensuke Tono, Yuhei Umeda, Tommaso Vinci, Makina Yabashi, Toshinori Yabuuchi, Kazuto Yamauchi, Hirokatsu Yumoto, Ryosuke Kodama
The understanding of fracture phenomena of a material at extremely high strain rates is a key issue for a wide variety of scientific research ranging from applied science and technological developments to fundamental science such as laser-matter interaction and geology. Despite its interest, its study relies on a fine multiscale description, in between the atomic scale and macroscopic processes, so far only achievable by large-scale atomic simulations. Direct ultrafast real-time monitoring of dynamic fracture (spallation) at the atomic lattice scale with picosecond time resolution was beyond the reach of experimental techniques...
June 2017: Science Advances
https://www.readbyqxmd.com/read/28630852/adult-traumatic-inferior-hip-dislocation-rare-case-ended-with-open-reduction
#12
Salam Ismael, J Vora, P Thomas
INTRODUCTION: An inferior hip dislocation also called luxatio erecta femoris is a rare type of hip dislocation that is not widely reported in literature. Only 12 cases are reported in British literature. CASE REPORT: This article reports a 17-year-old male involved in a road traffic accident, sustaining inferior hip dislocation. Following resuscitation, computed tomography confirmed the clinical diagnoses. Several attempts to perform a closed reduction of the hip under sedation and general anesthesia failed to reduce the dislocation...
January 2017: Journal of Orthopaedic Case Reports
https://www.readbyqxmd.com/read/28630842/irreducible-subtalar-dislocation-caused-by-sustentaculum-tali-incarceration
#13
Mourad Zaraa, Ismail Jerbi, Sabri Mahjoub, Heithem Sehli, Mondher Mbarek
INTRODUCTION: Subtalar dislocation is an uncommon lesion in traumatology chiefly when it concerns the lateral form. Surgical treatment is required when a fracture is related or the dislocation is irreducible. Even well treated, these dislocations progress unavoidably to subtalar arthrosis, which stays well tolerated. CASE REPORT: A 46-year-old male with irreducible lateral subtalar dislocation caused sustentaculum tali incarceration confirmed on computed tomography (CT)...
January 2017: Journal of Orthopaedic Case Reports
https://www.readbyqxmd.com/read/28630838/a-case-report-of-an-unusual-case-of-tuberculous-osteomyelitis-causing-spontaneous-pathological-fracture-of-humerus-in-a-middle-aged-female
#14
Umesh Birole, Ashish Ranade, Mahesh Mone
INTRODUCTION: Tuberculosis is a major health problem worldwide. Extrapulmonary tuberculosis is often secondary to some primary foci in lungs. There are reports of tuberculous osteomyelitis involving maxilla, ulna, femur, and shoulder joint but none have reported pathological fracture in humeral diaphysis due to tuberculosis osteomyelitis without shoulder joint involvement. We report a case of pathological fracture of humerus diaphysis due to tuberculous osteomyelitis with normal articular space...
January 2017: Journal of Orthopaedic Case Reports
https://www.readbyqxmd.com/read/28630762/articular-impaction-injuries-in-the-lower-limb
#15
Ippokratis Pountos, Peter V Giannoudis
The effective management of articular impacted fractures requires the successful elevation of the osteochondral fragment to eliminate joint incongruency and the stable fixation of the fragments providing structural support to the articular surface.The anatomical restoration of the joint can be performed either with elevation through a cortical window, through balloon-guided osteoplasty or direct visualisation of the articular surface.Structural support of the void created in the subchondral area can be achieved through the use of bone graft materials (autologous tricortical bone), or synthetic bone graft substitutes...
May 2017: EFORT open reviews
https://www.readbyqxmd.com/read/28630761/partial-proximal-tibia-fractures
#16
Michael J Raschke, Christoph Kittl, Christoph Domnick
Partial tibial plateau fractures may occur as a consequence of either valgus or varus trauma combined with a rotational and axial compression component.High-energy trauma may result in a more complex and multi-fragmented fracture pattern, which occurs predominantly in young people. Conversely, a low-energy mechanism may lead to a pure depression fracture in the older population with weaker bone density.Pre-operative classification of these fractures, by Müller AO, Schatzker or novel CT-based methods, helps to understand the fracture pattern and choose the surgical approach and treatment strategy in accordance with estimated bone mineral density and the individual history of each patient...
May 2017: EFORT open reviews
https://www.readbyqxmd.com/read/28630760/treatment-of-hindfoot-and-ankle-pathologies-with-posterior-arthroscopic-techniques
#17
Tahir Ögüt, N Selcuk Yontar
The two-portal hindfoot arthroscopy is an effective procedure enabling direct visualisation of posterior ankle pathology with low invasiveness.An important stage of the hindfoot endoscopy is localisation of the flexor hallucis longus (FHL) tendon to protect the neurovascular bundle which is located just medial to it.Posterior ankle impingement syndrome and FHL tenosynovitis are common causes of posterior ankle pain and frequently occur together.Posteriorly localised talar osteochondral lesions, Achilles tendon disorders, osteoarthritis, talar bone cysts and talar fractures are among the other pathologies that can be treated with hindfoot arthroscopy...
May 2017: EFORT open reviews
https://www.readbyqxmd.com/read/28630753/how-to-deal-with-a-glenoid-fracture
#18
Lars Henrik Frich, Morten Schultz Larsen
The glenoid fossa is involved in approximately 10% of all scapular fractures.Glenoid fossa incongruity is surprisingly well tolerated.Surgery is recommended when 20% or more of the anterior glenoid fossa is involved.Glenoid rim fractures often lead to chronic shoulder instability.Unstable glenoid neck fractures need surgical treatment and stable fractures can be treated conservatively.CT examination with 3D reformations of the glenoid fossa has improved insight into fracture morphology and fracture patterns and is very helpful for clinical decision makers...
May 2017: EFORT open reviews
https://www.readbyqxmd.com/read/28628325/tuning-optical-signatures-of-single-and-few-layer-mos2-by-blown-bubble-bulge-straining-up-to-fracture
#19
Rui Yang, Jaesung Lee, Souvik Ghosh, Hao Tang, R Mohan Sankaran, Christian A Zorman, Philip X-L Feng
Emerging atomic layer semiconducting crystals such as molybdenum disulfide (MoS2) are promising candidates for flexible electronics and strain-tunable devices due to their ultrahigh strain limits (up to ~20-30%) and strain-tunable bandgaps. However, high strain levels, controllable isotropic and anisotropic biaxial strains in single- and few-layer MoS2 on device-oriented flexible substrates permitting convenient and fast strain tuning, remain unexplored. Here, we demonstrate a blown-bubble bulge technique for efficiently applying large biaxial strains to atomic layer MoS2 devices on flexible substrate...
June 19, 2017: Nano Letters
https://www.readbyqxmd.com/read/28626332/3d-motion-analysis-of-the-wrist-splint-effect-to-wrist-joint-movement
#20
Joong-Il Shin, Soo-Hee Park
[Purpose] This study aimed to investigate the degree of straightness of the wrist joint, depending on the use of a wrist splint while opening a bottle cap. Its results may provide data for later studies on preventing accidents at workplaces and improving efficiency. [Subjects and Methods] Thirty Male and Female in their twenties who did not have hand-related diseases, fractures, or history that included neurological impairments associated with the hand were selected as subjects of the study. Wrist splints were made to fit the hand and lower arm of each subject...
June 2017: Journal of Physical Therapy Science
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