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https://www.readbyqxmd.com/read/28644080/determination-of-gastrointestinal-transit-times-in-barred-owls-strix-varia-by-contrast-fluoroscopy
#1
Grayson A Doss, Jackie M Williams, Christoph Mans
Contrast imaging studies are routinely performed in avian patients when an underlying abnormality of the gastrointestinal (GI) tract is suspected. Fluoroscopy offers several advantages over traditional radiography and can be performed in conscious animals with minimal stress and restraint. Although birds of prey are commonly encountered as patients, little is known about GI transit times and contrast imaging studies in these species, especially owls. Owls are commonly encountered in zoological, educational, and wildlife settings...
June 2017: Journal of Avian Medicine and Surgery
https://www.readbyqxmd.com/read/28632662/treatment-of-incomplete-jones-fractures-with-low-intensity-pulsed-ultrasound-lipus
#2
Tateishi Tomohiko, Tsuyoshi Nagase, Teruhiko Nakagawa, Tsuchiya Masamitsu
OBJECTIVE: Stress fractures of the proximal epiphysis of the fifth metatarsal bone (termed Jones fracture) frequently occur in both senior high-school-age and older contestant-level soccer players, and its incidence in Japanese soccer players is higher than that in European players. Surgery is most commonly indicated for a complete fracture, and about 3 months are required before the patient is able to return to the sport. We have performed a "Jones fracture screening" to reduce the incidence of these fractures...
July 2017: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/28603855/stress-fractures-of-the-calcaneus-diagnosed-by-sonography-report-of-8-cases
#3
Stefano Bianchi, Dien Hung Luong
We present a retrospective review of 8 patients (6 women and 2 men, with an age range of 46-80 years; mean age, 60.2 years) in whom sonography was used to diagnose a calcaneal stress fracture. Sonography was performed because of a clinical suspicion of soft tissue injuries. Two patients were first assessed by standard radiography; for the remaining patients, sonography was the first imaging technique used. Patients were subsequently examined by magnetic resonance imaging, except for 1 patient in whom the diagnosis was made only on a clinical-sonographic correlation...
June 12, 2017: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/28552041/magnetic-resonance-imaging-and-stress-radiography-in-chronic-lateral-ankle-instability
#4
Hong-Geun Jung, Na-Ra Kim, Tae-Hoon Kim, Joon-Sang Eom, Dong-Oh Lee
BACKGROUND: Studies regarding magnetic resonance imaging (MRI) findings of the lateral ankle ligaments in chronic lateral ankle instability and their clinical relevance for surgery are lacking. This study classified the lateral ankle ligament MRI findings of the anterior talofibular ligament (ATFL) and calcaneofibular ligament (CFL) in chronic lateral ankle instability (CLAI) and correlated these findings with ankle stress radiographs. METHODS: We included 132 ankles with CLAI that underwent ligament reconstructions from 2006 to 2013...
June 2017: Foot & Ankle International
https://www.readbyqxmd.com/read/28473086/acr-appropriateness-criteria-%C3%A2-stress-fatigue-insufficiency-fracture-including-sacrum-%C3%A2-excluding-other-vertebrae
#5
Jenny T Bencardino, Taylor J Stone, Catherine C Roberts, Marc Appel, Steven J Baccei, R Carter Cassidy, Eric Y Chang, Michael G Fox, Bennett S Greenspan, Soterios Gyftopoulos, Mary G Hochman, Jon A Jacobson, Douglas N Mintz, Gary W Mlady, Joel S Newman, Zehava S Rosenberg, Nehal A Shah, Kirstin M Small, Barbara N Weissman
Stress fractures, including both fatigue and insufficiency types, are frequently encountered in clinical practice as a source of pain in both athletes and patients with predisposing conditions. Radiography is the imaging modality of choice for baseline diagnosis. MRI has greatly improved our ability to diagnose radiographically occult stress fractures. Tc-99m bone scan and CT may also be useful as diagnostic tools. Although fatigue and insufficiency fractures can be self-limited and go onto healing even without diagnosis, there is usually value in initiating prompt therapeutic measures as incomplete stress fractures have the potential of progressing to completion and requiring more invasive treatment or delay in return to activity...
May 2017: Journal of the American College of Radiology: JACR
https://www.readbyqxmd.com/read/28469488/ultrasound-diagnosed-tibia-stress-fracture-a-case-report
#6
Adae Amoako, Ayesha Abid, Anthony Shadiack, Robert Monaco
Stress fractures are a frequent cause of lower extremity pain in athletes, and especially in runners. Plain imaging has a low sensitivity. Magnetic resonance imaging (MRI) or bone scan scintigraphy is the criterion standard, but expensive. We present the case of a young female distance runner with left shin pain. Plain radiography was unremarkable. Ultrasound showed focal hyperechoic elevation of the periosteum with irregularity over the distal tibia and increased flow on Doppler. These findings were consistent with a distal tibia stress fracture and confirmed by MRI...
2017: Clinical Medicine Insights. Arthritis and Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28419804/simultaneous-reconstruction-of-the-medial-and-lateral-collateral-ligaments-for-chronic-combined-ligament-injuries-of-the-ankle
#7
Toshito Yasuda, Hiroaki Shima, Katsunori Mori, Seiya Tsujinaka, Masashi Neo
BACKGROUND: Objective data on chronic injuries of the medial collateral ligament (MCL) of the ankle are scarce. Chronic MCL injuries are frequently associated with lateral collateral ligament (LCL) injuries. For patients with chronic combined MCL and LCL injuries, the authors have performed simultaneous surgery of the 2 ligaments. HYPOTHESIS: Simultaneous surgery of the 2 ligaments may be effectively used to treat chronic combined MCL and LCL injuries. STUDY DESIGN: Case series; Level of evidence, 4...
April 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28418814/ionizing-radiation-exposure-during-pregnancy-effects-on-postnatal-development-and-life
#8
Shayenthiran Sreetharan, Christopher Thome, Sujeenthar Tharmalingam, Devon E Jones, Adomas V Kulesza, Neelam Khaper, Simon J Lees, Joanna Y Wilson, Douglas R Boreham, T C Tai
Reliable human data on the effects of prenatal exposure to ionizing radiation are largely based on high-dose exposures. Exposure to low doses may produce effects that are not easily observable at birth, and may persist over the course of the offspring's postnatal life. This is important when considering fetal programing, a phenomenon characterized by changes in offspring phenotype due to a stress experienced in utero. In this review, we briefly summarize the known effects of both high- and low-dose exposure to ionizing radiation during pregnancy in humans...
June 2017: Radiation Research
https://www.readbyqxmd.com/read/28388886/allograft-tendon-reconstruction-of-the-anterior-talofibular-ligament-and-calcaneofibular-ligament-in-the-treatment-of-chronic-ankle-instability
#9
Weikai Wang, Guo Hong Xu
BACKGROUND: The purpose was retrospectively to investigate functional and clinical outcomes after anterior talofibular ligament (ATFL) and calcaneofibular ligament (CFL) reconstruction using a single allograft. METHODS: Patients with severe chronic lateral instability of the ankle underwent surgery after conservative treatment failed. Ultrasounds of the ankle were performed, and if the AFTL and CFL were completely torn without enough soft tissue for repair, the ligaments were reconstructed using allograft tendon...
April 8, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28349205/prevalence-and-clinical-features-of-sports-related-lumbosacral-stress-injuries-in-the-young
#10
Hideto Kaneko, Mototsune Murakami, Kazuya Nishizawa
BACKGROUND: Stress injuries (stress fractures and stress reactions) of the lumbosacral region are one of the causes of sports-related lower back pain in young individuals. These injuries can be detected by bone marrow edema lesion on MRI. However, little is known about the prevalence and clinical features of early stage lumbosacral stress injuries. This study aimed to evaluate the epidemiology of lumbosacral stress injuries. METHODS: A total of 312 patients (under 18 years of age) who complained of sports-related lower back pain that had lasted for ≥7 days underwent magnetic resonance imaging (MRI) scans...
May 2017: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/28348888/the-influence-of-oblique-angle-forced-exercise-in-surgically-destabilized-stifle-joints-is-synergistic-with-bone-but-antagonistic-with-cartilage-in-an-ovine-model-of-osteoarthritis
#11
Rachel J Hill, Holly M Mason, Gavin Yeip, Samer S Merchant, Aaron L Olsen, Rusty D Stott, Arnaud J Van Wettere, Eadric Bressel, Jeffrey B Mason
Large animal models of osteoarthritis are a necessary testing ground for FDA approval of human medicine applications. Sheep models have advantages over other available large animals, but development and progression of osteoarthritis in sheep is exceedingly slow, which handicaps progress in development of potential treatments. We combined oblique angle forced exercise to increase stress on the stifle, with surgical destabilization to hasten the development of osteoarthritis in ewes. Methods for early detection of clinical signs included radiography, urine, and serum biomarker assays and gait analysis and ex vivo we used microcomputed tomography and macroscopic joint analysis...
2017: Arthritis
https://www.readbyqxmd.com/read/28321570/comparative-analysis-of-locking-plate-versus-hook-plate-osteosynthesis-of-neer-type-iib-lateral-clavicle-fractures
#12
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...
May 2017: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/28259272/current-evidence-regarding-diagnostic-imaging-methods-for-pediatric-lumbar-spondylolysis-a-report-from-the-scoliosis-research-society-evidence-based-medicine-committee
#13
Charles G T Ledonio, Douglas C Burton, Charles H Crawford, Robert Shay Bess, Jacob M Buchowski, Serena S Hu, Baron S H Lonner, David W Polly, Justin S Smith, James O Sanders
BACKGROUND: Spondylolysis is common among the pediatric population, yet no formal systematic literature review regarding diagnostic imaging has been performed. The Scoliosis Research Society (SRS) requested an assessment of the current state of peer reviewed evidence regarding pediatric spondylolysis. METHODS: Literature was searched professionally and citations retrieved. Abstracts were reviewed and analyzed by the SRS Evidence-Based Medicine Committee. Level I studies were considered to provide Good Evidence for the clinical question...
March 2017: Spine Deformity
https://www.readbyqxmd.com/read/28160934/arthroscopic-quantification-of-syndesmotic-instability-in-a-cadaveric-model
#14
Ross Feller, Todd Borenstein, Amanda J Fantry, Roy Bradley Kellum, Jason T Machan, Florian Nickisch, Brad Blankenhorn
PURPOSE: To investigate whether arthroscopy or stress radiography can identify instability resulting from single-ligament injury of the ankle syndesmosis and to determine whether either modality is capable of differentiating between various levels of ligament injury. METHODS: Syndesmotic/deltoid ligament sectioning was performed in 10 cadaver legs. Arthroscopic evaluation and fluoroscopic stress testing were completed after each sectioning. In group 1 (n = 5), sectioning began with anteroinferior tibiofibular ligament (AITFL), then interosseous membrane (IOM), posteroinferior tibiofibular ligament (PITFL), and deltoid...
February 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/28045871/revision-posterior-cruciate-ligament-surgery
#15
REVIEW
Gregory C Fanelli, Matthew G Fanelli, David G Fanelli
Successful posterior cruciate ligament (PCL) reconstruction surgery results from identification and treatment of associated pathology such as posterolateral instability, posteromedial instability, and lower extremity malalignment. The use of strong graft material, properly placed tunnels to as closely as possible approximate the PCL insertion sites, and minimization of graft bending also enhance the probability of PCL reconstruction success. In addition, mechanical graft tensioning, primary and back-up PCL graft fixation, and the appropriate postoperative rehabilitation program are also necessary ingredients for PCL reconstruction success...
March 2017: Sports Medicine and Arthroscopy Review
https://www.readbyqxmd.com/read/27877885/investigation-of-microstructure-in-additive-manufactured-inconel-625-by-spatially-resolved-neutron-transmission-spectroscopy
#16
Anton S Tremsin, Yan Gao, Laura C Dial, Francesco Grazzi, Takenao Shinohara
Non-destructive testing techniques based on neutron imaging and diffraction can provide information on the internal structure of relatively thick metal samples (up to several cm), which are opaque to other conventional non-destructive methods. Spatially resolved neutron transmission spectroscopy is an extension of traditional neutron radiography, where multiple images are acquired simultaneously, each corresponding to a narrow range of energy. The analysis of transmission spectra enables studies of bulk microstructures at the spatial resolution comparable to the detector pixel...
2016: Science and Technology of Advanced Materials
https://www.readbyqxmd.com/read/27859254/influence-of-experimental-periodontitis-on-cardiac-oxidative-stress-in-rats-a-biochemical-and-histomorphometric-study
#17
O Köse, T Arabacı, H Yemenoglu, S Ozkanlar, N Kurt, I Gumussoy, S Gedikli, A Kara
BACKGROUND AND OBJECTIVE: The role of oxidative stress in the process of cardiac remodeling, hypertrophy and heart failure is a current topic. The purpose of this experimental study was to investigate the influences of periodontitis on levels of cardiac oxidative stress. MATERIAL AND METHODS: Twenty rats were separated into two groups: control and experimental periodontitis (EP). Periodontitis was induced by placing a 3.0 silk suture in the cervix of the left and right mandibular first molar teeth for 5 wk...
June 2017: Journal of Periodontal Research
https://www.readbyqxmd.com/read/27856937/allylpyrocatechol-attenuates-collagen-induced-arthritis-via-attenuation-of-oxidative-stress-secondary-to-modulation-of-the-mapk-jak-stat-and-nrf2-ho-1-pathways
#18
Soumita De, Alak Manna, Sunanda Kundu, Sritama De Sarkar, Uttara Chatterjee, Tuhinadri Sen, Subrata Chattopadhyay, Mitali Chatterjee
Rheumatoid arthritis (RA), an inflammatory autoimmune disorder, is characterized by synovial hyperplasia and bony destruction. The pathogenesis of RA includes redox dysregulation, concomitant with increased levels of proinflammatory mediators. As the ability of allylpyrocatechol (APC), a phytoconstituent of Piper betle leaves, to alleviate oxidative stress has been demonstrated in patients with RA, its antiarthritic activity was evaluated in an animal model of arthritis, and the underlying mechanism(s) of action clarified...
February 2017: Journal of Pharmacology and Experimental Therapeutics
https://www.readbyqxmd.com/read/27802742/short-period-cyclic-loading-system-for-in-situ-x-ray-observation-of-anelastic-properties-at-high-pressure
#19
Takashi Yoshino, Daisuke Yamazaki, Yoshinori Tange, Yuji Higo
To determine the anelastic properties of materials of the Earth's interior, a short-period cyclic loading system was installed for in situ X-ray radiographic observation under high pressure to the multi-anvil deformation DIA press at the bending magnet beam line BL04B1 at SPring-8. The hydraulic system equipped with a piston controlled by a solenoid was designed so as to enable producing smooth sinusoidal stress in a wide range of oscillation period from 0.2 to 100 s and generating variable amplitudes. Time resolved X-ray radiography imaging of the sample and reference material provides their strain as a function of time during cyclic loading...
October 2016: Review of Scientific Instruments
https://www.readbyqxmd.com/read/27726744/sports-injuries-about-the-hip-what-the-radiologist-should-know
#20
Tarek M Hegazi, Jeffrey A Belair, Eoghan J McCarthy, Johannes B Roedl, William B Morrison
Injuries of the hip and surrounding structures represent a complex and commonly encountered scenario in athletes, with improper diagnosis serving as a cause of delayed return to play or progression to a more serious injury. As such, radiologists play an essential role in guiding management of athletic injuries. Familiarity with hip anatomy and the advantages and limitations of various imaging modalities is of paramount importance for accurate and timely diagnosis. Magnetic resonance (MR) imaging is often the modality of choice for evaluating many of the injuries discussed, although preliminary evaluation with conventional radiography and use of other imaging modalities such as ultrasonography (US), computed tomography, and bone scintigraphy may be supplementary or preferred in certain situations...
October 2016: Radiographics: a Review Publication of the Radiological Society of North America, Inc
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