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https://www.readbyqxmd.com/read/28319258/ct-derived-indices-of-canine-osteosarcoma-affected-antebrachial-strength
#1
Tanya C Garcia, Michele A Steffey, Allison L Zwingenberger, Leticia Daniel, Susan M Stover
OBJECTIVE: To improve the prediction of fractures in dogs with bone tumors of the distal radius by identifying computed tomography (CT) indices that correlate with antebrachial bone strength and fracture location. STUDY DESIGN: Prospective experimental study. ANIMALS: Dogs with antebrachial osteosarcoma (n = 10), and normal cadaver bones (n=9). METHODS: Antebrachia were imaged with quantitative CT prior to biomechanical testing to failure...
March 20, 2017: Veterinary Surgery: VS
https://www.readbyqxmd.com/read/28319248/cyclic-tensile-strain-enhances-human-mesenchymal-stem-cell-smad-2-3-activation-and-tenogenic-differentiation-in-anisotropic-collagen-glycosaminoglycan-scaffolds
#2
W G Grier, A S Moy, B A Harley
Stem cell research arose from the need to explore new therapeutic possibilities for intractable and lethal diseases. Although musculoskeletal disorders are basically nonlethal, their high prevalence and relative ease of performing clinical trials have facilitated the clinical application of stem cells in this field. However, few reliable clinical studies have been published, despite the plethora of in vitro and preclinical studies in stem cell research for regenerative medicine in the musculoskeletal system...
March 20, 2017: European Cells & Materials
https://www.readbyqxmd.com/read/28318949/wing-augmentation-reduces-femoral-head-cutting-out-of-dynamic-hip-screw
#3
Chih-Yu Chen, Shu-Wei Huang, Jui-Sheng Sun, Shin-Yiing Lin, Chih-Sheng Yu, Hsu-Pin Pan, Ping-Hung Lin, Fan-Chun Hsieh, Yang-Hwei Tsuang, Feng-Huei Lin, Rong-Sen Yang, Cheng-Kung Cheng
The dynamic hip screw (DHS) is commonly used in the treatment of femoral intertrochanteric fracture with high satisfactory results. However, post-operative failure does occur and result in poor prognosis. The most common failure is femoral head varus collapse, followed by lag screw cut-out through the femoral head. In this study, a novel-designed DHS with two supplemental horizontal blades was used to improve the fixation stability. In this study, nine convention DHS and 9 Orthopaedic Device Research Center (ODRC) DHSs were tested in this study...
March 17, 2017: Medical Engineering & Physics
https://www.readbyqxmd.com/read/28318918/comparison-of-functional-outcomes-and-patient-reported-satisfaction-between-titanium-and-absorbable-plates-and-screws-for-fixation-of-mandibular-fractures-a-one-year-prospective-study
#4
Maria Belén Leno, Stanley Yung Liu, Chien-Tzung Chen, Han-Tsung Liao
PURPOSE: The aim of this study is to compare the 1-year functional outcomes and patient-reported satisfaction in treating mandibular fractures between resorbable and titanium fixation devices. MATERIALS AND METHODS: A 1-year prospective study was conducted; 41 consecutive patients presenting with mandibular fractures were included. A resorbable system was used in 21 patients, while in 20 patients a titanium fixation device was used. Functional outcome was evaluated objectively at several time points (2, 4 and 6 weeks, 3 and 6 months, and 1 year after surgery)...
February 13, 2017: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/28318751/fracture-admissions-after-burns-a-retrospective-longitudinal-study
#5
Janine M Duke, Sean M Randall, Mark W Fear, James H Boyd, Fiona M Wood
BACKGROUND: Severe burn triggers systemic responses that result in reduced muscle mass and changes in bone formation, with recent evidence also suggesting systemic effects on bone after minor burns. The aim of this study was to assess if people hospitalised with a burn have increased admissions for fractures after discharge. METHODS: A population-based longitudinal study using linked hospital morbidity and death data from Western Australia was undertaken of all persons hospitalised for a first burn (n=30,997) during the period 1980-2012...
March 15, 2017: Burns: Journal of the International Society for Burn Injuries
https://www.readbyqxmd.com/read/28318055/menkes-disease-mimicking-child-abuse
#6
Rebecca J Droms, Jillian F Rork, Riley McLean, Madelena Martin, Leah Belazarian, Karen Wiss
Althouygh Menkes disease has well-recognized neurologic, developmental, and cutaneous features, the initial presentation may resemble child abuse. We describe a 5-month-old boy with multiple fractures indicative of nonaccidental trauma who was ultimately diagnosed with Menkes disease. Copper deficiency leads to connective tissue abnormalities and may result in subdural hematomas, wormian bones, cervical spine defects, rib fractures, and spurring of the long bone metaphyses. Several of these findings, including fractures and subdural hematomas, may be misinterpreted as child abuse...
March 20, 2017: Pediatric Dermatology
https://www.readbyqxmd.com/read/28317616/review-of-166-gunshot-injury-cases-in-dogs
#7
Hrvoje Capak, Nika Brkljaca Bottegaro, Ana Manojlovic, Ozren Smolec, Drazen Vnuk
The study is aimed to establish predilection signalment and history data, and to investigate clinical findings and risk factors associated with a poor outcome in dogs with projectile injuries. A retrospective study was undertaken of 166 canine cases in which a projectile was found on radiograph in a university׳s diagnostic imaging center more than a 4-year period. The study included dogs with both apparent (obvious recent traumatic event) and incidental (traumatic event unknown to the owner) projectile injury...
December 2016: Topics in Companion Animal Medicine
https://www.readbyqxmd.com/read/28316964/the-fixation-method-according-to-the-fracture-type-of-the-greater-trochanter-in-unstable-intertrochanteric-fractures-undergoing-arthroplasty
#8
Doohoon Sun, Byeong-Seop Park, Gun-Il Jang, Bongjoo Lee
PURPOSE: We conducted a study on patients who underwent hip joint arthroplasty because of unstable femur intertrochanteric fractures with greater trochanter bony fragments. After dividing patients into three groups depending on their fracture patterns, we evaluated the clinical and radiological outcomes of different operation methods applied to each of these groups. MATERIALS AND METHODS: Using Evan's classification, we defined an unstable intertrochanteric fracture as those characterized as stage 4 or 5...
March 2017: Hip & Pelvis
https://www.readbyqxmd.com/read/28316962/wiring-techniques-for-the-fixation-of-trochanteric-fragments-during-bipolar-hemiarthroplasty-for-femoral-intertrochanteric-fracture-clinical-study-and-technical-note
#9
Joong-Myung Lee, Yongsuk Cho, Junhyun Kim, Dong-Won Kim
PURPOSE: Femoral intertrochanteric fractures are common in the elderly. Appropriate surgical fixation of trochanteric fracture fragments can restore normal anatomical structure and ambulation, and can aid in the recovery of biomechanical function of the hip. We evaluated clinical outcomes of bipolar hemiarthroplasty using a wiring technique for trochanteric fracture fragment fixation. MATERIALS AND METHODS: From September 2006 to February 2015, a total of 260 cases underwent simultaneous bipolar hemiarthroplasty and wire fixation...
March 2017: Hip & Pelvis
https://www.readbyqxmd.com/read/28316959/comparative-study-of-peripheral-rim-fixation-using-jumbo-cup-in-revisional-hip-arthroplasty
#10
Woo-Lam Jo, Young-Wook Lim, Jin-Hyung Im, Seung-Chan Kim, Soon-Yong Kwon, Yong-Sik Kim
PURPOSE: It is challenging procedure to revise acetabular component in acetabulum with severe bone defect or deformity. The jumbo cup is good option for revisional arthroplasty in large bone defect. The purpose of this study is to compare the prognosis of revisional total hip arthroplasty using jumbo cup with peripheral rim fixation and no rim fixation. MATERIALS AND METHODS: We included the patients who had performed acetabular revisional total hip arthroplasty from January 2002 to March 2015 in our institute...
March 2017: Hip & Pelvis
https://www.readbyqxmd.com/read/28316249/association-of-fractures-with-the-incidence-of-amyotrophic-lateral-sclerosis
#11
Tracy L Peters, Caroline E Weibull, Fang Fang, Dale P Sandler, Paul C Lambert, Weimin Ye, Freya Kamel
OBJECTIVE: Elevated bone turnover observed in ALS patients suggests poor bone health and increased fracture risk. We therefore evaluated the relationship of fracture to subsequent ALS risk. METHODS: We followed 4,529,460 Swedes from 1987 to 2010 and identified ALS and fractures from the Swedish National Patient Register. We examined associations of ALS risk with all fractures, osteoporotic and non-osteoporotic fractures, and traumatic and non-traumatic fractures among individuals aged 30-80 years...
March 20, 2017: Amyotrophic Lateral Sclerosis and Frontotemporal Degeneration
https://www.readbyqxmd.com/read/28316107/applied-induced-pluripotent-stem-cells-in-combination-with-biomaterials-in-bone-tissue-engineering
#12
Abdolreza Ardeshirylajimi
Due to increasing of the orthopedic lesions and fractures in the world and limitation of current treatment methods, researchers and surgeons paid attention to the new treatment ways especially to tissue engineering and regenerative medicine. Innovation in stem cells and biomaterials accelerate during the last decade as two main important parts of the tissue engineering. Recently, induced pluripotent stem cells (iPSCs) introduced as cells with highly proliferation and differentiation potentials that hold great promising features for used in tissue engineering and regenerative medicine...
March 18, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28316103/identification-of-hip-bmd-loss-and-fracture-risk-markers-through-population-based-serum-proteomics
#13
Carrie M Nielson, Jack Wiedrick, Jian Shen, Jon Jacobs, Erin S Baker, Aaron Baraff, Paul Piehowski, Christine G Lee, Arie Baratt, Vladislav Petyuk, Shannon McWeeney, Jeong Youn Lim, Douglas C Bauer, Nancy E Lane, Peggy M Cawthon, Richard D Smith, Jodi Lapidus, Eric S Orwoll
Serum proteomics analysis may lead to the discovery of novel osteoporosis biomarkers. The Osteoporotic Fractures in Men Study (MrOS) comprises men ≥65 in the US who have had repeated BMD measures and have been followed for incident fracture. High-throughput quantitative proteomic analysis was performed on baseline fasting serum samples from non-Hispanic white men using a multi-dimensional approach coupling liquid chromatography, ion-mobility separation, and mass spectrometry (LC-IMS-MS). We followed the participants for a mean of 4...
March 18, 2017: Journal of Bone and Mineral Research: the Official Journal of the American Society for Bone and Mineral Research
https://www.readbyqxmd.com/read/28315954/trends-in-osteoporosis-and-low-bone-mass-in-older-us-adults-2005-2006-through-2013-2014
#14
A C Looker, N Sarafrazi Isfahani, B Fan, J A Shepherd
This study examined trends in osteoporosis and low bone mass in older US adults between 2005 and 2014 using bone mineral density (BMD) data from the National Health and Nutrition Examination Survey (NHANES). Osteoporosis and low bone mass appear to have increased at the femur neck but not at the lumbar spine during this period. INTRODUCTION: Recent preliminary data from Medicare suggest that the decline in hip fracture incidence among older US adults may have plateaued in 2013-2014, but comparable data on BMD trends for this time period are currently lacking...
March 18, 2017: Osteoporosis International
https://www.readbyqxmd.com/read/28314869/-operative-treatment-of-terrible-triad-injury-of-the-elbow-open-reduction-and-internal-fixation
#15
R Babst, C Schraner, F J P Beeres
AIM OF SURGERY: Reconstruction of the most important ligamentous and osseus structures of the elbow after terrible triad injury via the radial head to the lateral collateral ligament complex (LCL) and if necessary beginning at the coronoid process. The aim is a stable concentrically guided elbow with early functional follow-up treatment. The approach depends on the intraoperatively tested stability. INDICATIONS: Osteoligamentous terrible triad injury pattern with or without subluxation position following reduction and temporary immobilization...
March 17, 2017: Operative Orthopädie und Traumatologie
https://www.readbyqxmd.com/read/28314422/maxillofacial-and-mandibular-fractures-in-sports
#16
REVIEW
Christopher F Viozzi
Sports account for 3% to 29% of facial injuries and 10% to 42% of facial fractures. Fractures of the facial skeleton most commonly occur owing to interpersonal violence or motor vehicle crashes. Facial fractures from sporting activities has clearly decreased over time owing to better preventive measures. However, this decreasing trend is offset by the emergence of more dangerous sports activities, or "pushing the envelope" of traditional sports activities. Fractures can occur from contact between athletes, and between athletes and their surroundings...
April 2017: Clinics in Sports Medicine
https://www.readbyqxmd.com/read/28314421/nasal-injuries-in-sports
#17
REVIEW
Alexander P Marston, Erin K O'Brien, Grant S Hamilton
Nasal trauma is a common consequence of athletic competition. The nasal bones are the most commonly fractured facial bone and are particularly at risk during sports participation. Acute management of trauma to the nose includes thorough evaluation of all injuries and may require immediate management for repair of facial lacerations, epistaxis control, or septal hematoma drainage. Nasal fractures can often be addressed with closed reduction techniques; however, in the setting of complex nasal trauma, an open approach may be indicated...
April 2017: Clinics in Sports Medicine
https://www.readbyqxmd.com/read/28314420/sport-injuries-of-the-ear-and-temporal-bone
#18
REVIEW
L Mariel Osetinsky, Grant S Hamilton, Matthew L Carlson
In cases of head trauma, the ear should be evaluated in all of its components. A good understanding of otologic and skull base anatomy enables a thorough trauma assessment of this complex anatomic region. Auricular laceration, abrasion, avulsion, hematoma, frostbite, otitis externa, exostosis, tympanic membrane perforation, ossicular discontinuity, perilymphatic fistula, labyrinthine concussion, temporal bone fracture, facial nerve paresis, and sensorineural hearing loss are a few of the more common otologic injuries seen in active patients...
April 2017: Clinics in Sports Medicine
https://www.readbyqxmd.com/read/28306642/damage-identification-on-vertebral-bodies-during-compressive-loading-using-digital-image-correlation
#19
Hannah M Gustafson, Angela D Melnyk, Gunter P Siegmund, Peter A Cripton
STUDY DESIGN: Ex vivo compression experiments on isolated cadaveric vertebrae OBJECTIVE.: To qualitatively compare the fracture locations identified in video analysis with the locations of high compressive strain measured with DIC on vertebral bodies and to evaluate the timing of local damage to the cortical shell relative to the global yield force SUMMARY OF BACKGROUND DATA.: In previous ex vivo experiments, cortical bone fracture has been identified using various methods including acoustic emission sensors, strain gages, video analysis, or force signals...
March 16, 2017: Spine
https://www.readbyqxmd.com/read/28304116/diagnostic-accuracy-of-computed-tomography-guided-biopsy-in-pathological-fractures
#20
Christopher M Stokes, Osama Elsewaisy, Grant Pang, John L Slavin, Stephen M Schlicht, Peter F M Choong
BACKGROUND: Obtaining a histological diagnosis is essential for appropriate management of pathological fractures. Computed tomography (CT) is an accurate method of obtaining diagnosis for musculoskeletal tumours. We analysed whether diagnostic accuracy was maintained in the evaluation of pathological fractures. METHODS: A retrospective review of 101 consecutive patients presenting to our tertiary musculoskeletal tumour centre with pathological fracture was performed...
March 17, 2017: ANZ Journal of Surgery
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