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Purpose: Radiology represents a highly relevant part of undergraduate medical education from preclinical studies to subinternship training. It is therefore important to establish a content base for teaching radiology in German Medical Faculties. Materials and Methods: The German Society of Radiology (DRG) developed a model curriculum for radiological teaching at German medical universities, which is presented in this article. There is also a European model curriculum for undergraduate teaching (U-level curriculum of the European Society of Radiology)...
November 2016: RöFo: Fortschritte Auf Dem Gebiete der Röntgenstrahlen und der Nuklearmedizin
Brett T Allaire, M Clara DePaolis Kaluza, Alexander G Bruno, Elizabeth J Samelson, Douglas P Kiel, Dennis E Anderson, Mary L Bouxsein
PURPOSE: Current standard methods to quantify disc height, namely distortion compensated Roentgen analysis (DCRA), have been mostly utilized in the lumbar and cervical spine and have strict exclusion criteria. Specifically, discs adjacent to a vertebral fracture are excluded from measurement, thus limiting the use of DCRA in studies that include older populations with a high prevalence of vertebral fractures. Thus, we developed and tested a modified DCRA algorithm that does not depend on vertebral shape...
October 18, 2016: European Spine Journal
P van der Voort, E R Valstar, B L Kaptein, M Fiocco, H J L van der Heide, R G H H Nelissen
AIMS: The widely used and well-proven Palacos R (a.k.a. Refobacin Palacos R) bone cement is no longer commercially available and was superseded by Refobacin bone cement R and Palacos R + G in 2005. However, the performance of these newly introduced bone cements have not been tested in a phased evidence-based manner, including roentgen stereophotogrammetric analysis (RSA). PATIENTS AND METHODS: In this blinded, randomised, clinical RSA study, the migration of the Stanmore femoral component was compared between Refobacin bone cement R and Palacos R + G in 62 consecutive total hip arthroplasties...
October 2016: Bone & Joint Journal
V V Bazylev, M E Evdokimov, M A Pantiukhina, Z A Morozov
In their everyday practical clinical work cardiovascular surgeons sometimes have to deal with patients at extremely high risk of both percutaneous coronary interventions (PCIs) and direct myocardial revascularization. A method of choice in such situations may become a PCI supported by artificial circulation (AC), for which foreign and Russian authors propose using systems of prolonged extracorporeal membrane oxygenation (ECMO). The present work was aimed at sharing our experience with using standard systems of AC and their modifications (mini-circuit systems) for performing high-risk PCIs...
2016: Angiologii︠a︡ i Sosudistai︠a︡ Khirurgii︠a︡, Angiology and Vascular Surgery
J-M Cosset
Radiotherapy is 120 years old. A few months only after the discoveries of Roentgen, Becquerel and Marie and Pierre Curie, a few scientists tried to use the newly discovered rays to treat patients. The question of the name of the first "radiation therapist" remains debated. Although often proposed, Emil Grubbé from Chicago seems to have been disqualified. Leopold Freund from Vienna treated a benign cutaneous lesion. Finally, Victor Despeignes from Lyon appears to be the most serious candidate, having treated in 1896 a gastric cancer, and obtaining a very significant tumour regression...
October 2016: Cancer Radiothérapie: Journal de la Société Française de Radiothérapie Oncologique
Chr I Baastrup
No abstract text is available yet for this article.
October 2016: Acta Radiologica
Tommaso Bonanzinga, Cecilia Signorelli, Marco Bontempi, Alessandro Russo, Stefano Zaffagnini, Maurilio Marcacci, Laura Bragonzoni
PURPOSE: dinamic roentgen stereophotogrammetric analysis (RSA), a technique currently based only on customized radiographic equipment, has been shown to be a very accurate method for detecting three-dimensional (3D) joint motion. The aim of the present work was to evaluate the applicability of an innovative RSA set-up for in vivo knee kinematic analysis, using a biplane fluoroscopic image system. To this end, the Authors describe the set-up as well as a possible protocol for clinical knee joint evaluation...
April 2016: Joints
Rashid L Bashshur, Elizabeth A Krupinski, James H Thrall, Noura Bashshur
INTRODUCTION: Radiology was founded on a technological discovery by Wilhelm Roentgen in 1895. Teleradiology also had its roots in technology dating back to 1947 with the successful transmission of radiographic images through telephone lines. Diagnostic radiology has become the eye of medicine in terms of diagnosing and treating injury and disease. This article documents the empirical foundations of teleradiology. METHODS: A selective review of the credible literature during the past decade (2005-2015) was conducted, using robust research design and adequate sample size as criteria for inclusion...
September 1, 2016: Telemedicine Journal and E-health: the Official Journal of the American Telemedicine Association
Axel Westman
No abstract text is available yet for this article.
September 2016: Acta Radiologica
Christian Benzing, Adrian Skwara, Jens Figiel, Jürgen Paletta
INTRODUCTION: Cementless fixation of the tibial component is critical as reduced initial stability leads to implant failure. In this experimental in vitro study, a new fixation method of the tibial component using polyaxial locking screws is evaluated using Roentgen stereophotogrammetric analysis (RSA). MATERIALS AND METHODS: A special prototype of a tibial component with four polyaxial locking screws was tested on 10 fresh-frozen human tibia specimens. The components were tested with an axial load of 2000 N for 10,000 cycles...
September 2016: Archives of Orthopaedic and Trauma Surgery
Christina Svanberg, Lars-Inge Norevall, Bertil Ekman, Jeanette Wahlberg, Mats Bågesund
Turner syndrome (TS) is a genetic disorder of females with a prevalence of 1/2000-3000 live female births. The aim of this study was to compare cephalometric variables from adult women diagnosed with TS to a standardized reference group of 31-year old healthy women, and to evaluate the possible effects of human growth hormone (hGH) therapy in women with TS. Registered TS subjects in the Southeast region of Sweden were invited to take part in the study. Twenty-one women aged 36 ± 13(18-57) years accepted participation...
2016: Swedish Dental Journal
Åke Åkerlund
No abstract text is available yet for this article.
August 2016: Acta Radiologica
Stuart A Callary, Lucian B Solomon, Oksana T Holubowycz, David G Campbell, Donald W Howie
A number of different software programs are used to investigate the in vivo wear of polyethylene bearings in total hip arthroplasty. With wear rates below 0.1mm/year now commonly being reported for highly cross-linked polyethylene (XLPE) components, it is important to identify the accuracy of the methods used to measure such small movements. The aims of this study were to compare the accuracy of current software programs used to measure two-dimensional (2D) femoral head penetration (FHP) and to determine whether the accuracy is influenced by larger femoral heads or by different methods of representing the acetabular component within radiostereometric analysis (RSA)...
June 30, 2016: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
Niladri K Mahato, Stephane Montuelle, John Cotton, Susan Williams, James Thomas, Brian Clark
BACKGROUND: Single or biplanar video radiography and Roentgen stereophotogrammetry (RSA) techniques used for the assessment of in-vivo joint kinematics involves application of ionizing radiation, which is a limitation for clinical research involving human subjects. To overcome this limitation, our long-term goal is to develop a magnetic resonance imaging (MRI)-only, three dimensional (3-D) modeling technique that permits dynamic imaging of joint motion in humans. Here, we present our initial findings, as well as reliability data, for an MRI-only protocol and modeling technique...
2016: BMC Medical Imaging
S A Heyerdahl
No abstract text is available yet for this article.
June 2016: Acta Radiologica
Th Eiken
No abstract text is available yet for this article.
June 2016: Acta Radiologica
Olufunmilayo O Adebayo, Frank C Ko, Steven R Goldring, Mary B Goldring, Timothy M Wright, Marjolein C H van der Meulen
Pre-clinical studies of post-traumatic OA have examined the pathways that lead to disease after injury by using surgical models such as the destabilization of the medial meniscus (DMM) and anterior cruciate ligament transection (ACLT). While the morphological, molecular and genetic pathways leading to OA have been examined extensively; the effects of these injuries on joint kinematics, and thus disease progression, have yet to be fully characterized. To this end, we sought to understand the kinematics in the DMM and ACLT joints compared to intact joints subjected to controlled tibial compressive loading...
May 6, 2016: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
Karl Philipp Kutzner, Tobias Freitag, Mark Predrag Kovacevic, Dominik Pfeil, Heiko Reichel, Ralf Bieger
No abstract text is available yet for this article.
April 22, 2016: International Orthopaedics
Jae Joon Hwang, Hyok Park, Ho-Gul Jeong, Sang-Sun Han
A patient's position changes in every CBCT scan despite patient alignment protocols. However, there have been studies to determine image quality differences when an object is located at the center of the field of view (FOV). To evaluate changes in the image quality of the CBCT scan according to different object positions, the image quality indexes of the Alphard 3030 (Alphard Roentgen Ind., Ltd., Kyoto, Japan) and the Rayscan Symphony (RAY Ind., Ltd., Suwon, Korea) were measured using the Quart DVT_AP phantom at the center of the FOV and 6 peripheral positions under four types of exposure conditions...
2016: PloS One
Karl Philipp Kutzner, Tobias Freitag, Mark-Predg Kovacevis, Dominik Pfeil, Heiko Reichel, Ralf Bieger
PURPOSE: The hypothesis of this study was that femoral implant migration would not differ between simultaneous bilateral or unilateral short-stem THA. METHOD: Implant migration of 202 femoral short-stems (100 unilateral and 102 one-stage bilateral cases) in 151 patients was assessed by "Ein-Bild-Roentgen-Analysis Femoral-Component-Analysis" in a two years follow-up (2.0-3.0 years). Migration patterns of unilateral and simultaneous cases were analysed and compared...
April 13, 2016: International Orthopaedics
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