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https://www.readbyqxmd.com/read/28081584/-mini-open-approach-shows-good-results-in-treatment-of-femoroacetabular-impingement
#1
Stephanie Maria Kirschbaum, Frank Sitterlee, Carsten Perka, Michael Müller
Background Femoroacetabular impingement (FAI) describes a painful, abnormal (bony) contact between the femoral neck and acetabulum, which, if left untreated, contributes to early osteoarthritis (OA) of the hip. Despite its flat learning curve and long operation times, hip arthroscopy has been used increasingly often in recent years in the surgery of femoroacetabular impingement. The mini-open technique (MOT) offers a possible alternative that addresses the abnormal morphological prominence and allows minimally invasive clearance of hip motion...
January 12, 2017: Zeitschrift Für Orthopädie und Unfallchirurgie
https://www.readbyqxmd.com/read/28079631/the-role-of-methicillin-resistant-staphylococcus-aureus-in-skin-and-soft-tissue-infections
#2
Matteo Bassetti, Alessia Carnelutti, Elda Righi
PURPOSE OF REVIEW: Methicillin-resistant Staphylococcus aureus (MRSA) has become a major public health issue worldwide over the last years. MRSA is frequently implicated in the development of skin and soft tissue infections, leading to significant increases in morbidity, mortality and overall healthcare costs. RECENT FINDINGS: In order to face the threat of MRSA, major changes in clinical management of skin and soft tissue infections are required. The identification of populations at risk for the acquisition of infections due to MRSA, together with the improvement of the diagnostic techniques, is paramount...
January 12, 2017: Current Opinion in Infectious Diseases
https://www.readbyqxmd.com/read/28076937/in-vivo-imaging-techniques-a-new-era-for-histochemical-analysis
#3
A Busato, P Fumene Feruglio, P P Parnigotto, P Marzola, A Sbarbati
In vivo imaging techniques can be integrated with classical histochemistry to create an actual histochemistry of water. In particular, Magnetic Resonance Imaging (MRI), an imaging technique primarily used as diagnostic tool in clinical/preclinical research, has excellent anatomical resolution, unlimited penetration depth and intrinsic soft tissue contrast. Thanks to the technological development, MRI is not only capable to provide morphological information but also and more interestingly functional, biophysical and molecular...
November 28, 2016: European Journal of Histochemistry: EJH
https://www.readbyqxmd.com/read/28076010/foreign-bodies-on-lateral-neck-radiographs-in-adults-imaging-findings-and-common-pitfalls
#4
Alba Castán Senar, Laura E Dinu, José M Artigas, Raquel Larrosa, Ylenia Navarro, Elena Angulo
Foreign-body (FB) ingestion is less common in adults than in children, but still occurs. Diagnostic management of patients with suspected FB ingestion in emergency departments depends on FB type and location, both of which are related to the patient profile. In adults, fish and chicken bones are the most common FB types, and the oropharynx and cricopharyngeal muscle are the most common locations. Once accidentally swallowed, an FB may become lodged in the oropharynx, and in such cases indirect or fiberoptic laryngoscopy is the first clinical management option...
January 2017: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/28075330/building-an-open-source-simulation-platform-of-acoustic-radiation-force-based-breast-elastography
#5
Yu Wang, Bo Peng, Jingfeng Jiang
Ultrasound-based elastography techniques including quasi-static strain elastography (SE), acoustic radiation force Impulse (ARFI) imaging, point shear wave elastography (pSWE) and supersonic shear imaging (SSI) have been used to differentiate breast tumors. The objective of this study is to extend a previously published virtual simulation platform of SE toward acoustic radiation force-based breast elastography. The proposed platform inherited four key components from the previously published virtual SE platform: an ultrasound simulator (Field II), a mesh generator (Tetgen), a finite element (FE) solver (FEBio) and a visualization and data processing package (VTK)...
January 11, 2017: Physics in Medicine and Biology
https://www.readbyqxmd.com/read/28068792/arthroscopic-reduction-and-internal-fixation-arif-of-a-comminuted-posterior-talar-body-fracture
#6
Rishin Kadakia, Jeff Konopka, Tristan Rodik, Samra Ahmed, Sameh A Labib
: The talus is the second most common fractured tarsal bone. While their incidence may be low, talus fractures are severe injuries that can lead to long-term disability and pain. Displaced talar body fractures are typically treated through an open approach with the aim of obtaining anatomic reduction and stable fixation. There are several case reports in the literature demonstrating successful management of talus fractures arthroscopically. An arthroscopic approach minimizes soft tissue trauma, which can help decrease postoperative wound complications and infections...
January 1, 2017: Foot & Ankle Specialist
https://www.readbyqxmd.com/read/28068159/suspensory-versus-aperture-fixation-of-a-quadrupled-hamstring-tendon-autograft-in-anterior-cruciate-ligament-reconstruction
#7
William M Browning, Melissa A Kluczynski, Christian Curatolo, John M Marzo
BACKGROUND: Hamstring grafts have become a popular choice for anterior cruciate ligament (ACL) reconstruction; however, the most effective means of fixation of these soft tissue grafts is unknown. PURPOSE: To determine whether suspensory or aperture fixation of hamstring tendon autografts provides better stability and clinical outcomes in ACL reconstruction. STUDY DESIGN: Meta-analysis. METHODS: A literature search of studies reporting single-bundle ACL reconstructions using 4-stranded hamstring tendon autografts with aperture or suspensory fixation with a minimum 24-month follow-up was conducted...
January 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28066731/imaging-of-the-hip-a-systematic-approach-to-the-young-adult-hip
#8
Sara Muñoz Chiamil, Claudia Astudillo Abarca
BACKGROUND: Great advances in knowledge and understanding of the biomechanics of the hip, both in arthroscopic procedures and imaging techniques, have expanded and improved the diagnosis of pathologies of the young adult hip. The anatomy of the hip joint is complex due to its morphology and orientation. The inter-pretation of the images requires deep knowledge of the osseous and soft tissue anatomy: muscles, tendons, ligaments, vessels and nerves. There are multiple imaging tools. Diagnostic techniques have different utilities and often are complementary...
July 2016: Muscles, Ligaments and Tendons Journal
https://www.readbyqxmd.com/read/28063081/submuscular-plating-of-the-femur-through-an-anterior-approach-after-bone-distraction
#9
Federico Persico, Gabriel Fletscher, Mauricio Zuluaga
The method of osteogenesis by distraction is a known technique in orthopaedics for the management of bone defects secondary to trauma, infections or tumours. New strategies have been developed for decreasing the external fixator time. The use of the minimally invasive plate osteosynthesis technique is a secure approach through a percutaneous fixation technique in the anterior aspect of the femur that permits minimal dissection of the soft tissues while preventing cross-contamination with the pin tracts of the external fixators...
January 7, 2017: Strategies in Trauma and Limb Reconstruction
https://www.readbyqxmd.com/read/28060412/optimizing-dual-energy-x-ray-parameters-for-the-exactrac-clinical-stereoscopic-imaging-system-to-enhance-soft-tissue-imaging
#10
Wesley A Bowman, James L Robar, Mike Sattarivand
PURPOSE: Stereoscopic x-ray image guided radiotherapy for lung tumors is often hindered by bone overlap and limited soft tissue contrast. This study aims to evaluate the feasibility of dual-energy imaging techniques and to optimize parameters of the ExacTrac stereoscopic imaging system to enhance soft tissue imaging for application to lung stereotactic body radiation therapy. METHODS: Simulated spectra and a physical lung phantom were used to optimize filter material, thickness, tube potentials, and weighting factors to obtain bone subtracted dual-energy images...
January 6, 2017: Medical Physics
https://www.readbyqxmd.com/read/28060331/biomechanical-characterization-of-human-soft-tissues-using-indentation-and-tensile-testing
#11
Michelle Griffin, Yaami Premakumar, Alexander Seifalian, Peter Edward Butler, Matthew Szarko
Regenerative medicine aims to engineer materials to replace or restore damaged or diseased organs. The mechanical properties of such materials should mimic the human tissues they are aiming to replace; to provide the required anatomical shape, the materials must be able to sustain the mechanical forces they will experience when implanted at the defect site. Although the mechanical properties of tissue-engineered scaffolds are of great importance, many human tissues that undergo restoration with engineered materials have not been fully biomechanically characterized...
December 13, 2016: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28060178/assessment-of-splints-applied-for-pediatric-fractures-in-an-emergency-department-urgent-care-environment
#12
Joshua M Abzug, Brandon S Schwartz, Aaron J Johnson
BACKGROUND: Fractures are common in the pediatric population. The initial evaluation is rarely by an orthopaedic surgeon, but commonly an emergency room or urgent care center physician/extender. This typically involves splint application by a nonorthopaedist to immobilize the extremity and provide stabilization. Iatrogenic injuries from inappropriate splint placement are a potential public health and legal concern that can lead to complications. The primary purpose of this study was to prospectively evaluate the adequacy of all splints placed on patients who presented to a pediatric orthopaedic office; secondary outcomes included assessing prevalence and types of complications that were associated with inadequate splints...
January 5, 2017: Journal of Pediatric Orthopedics
https://www.readbyqxmd.com/read/28057476/operative-treatment-of-early-infection-after-internal-fixation-of-limb-fractures-exclusive-of-severe-open-fractures
#13
REVIEW
P Bonnevialle
Early infection after open reduction and internal fixation (ORIF) of a limb bone is defined as bacteriologically documented, deep and/or superficial surgical-site infection (SSI) diagnosed within 6months after the surgical procedure. This interval is arbitrarily considered sufficient to obtain fracture healing. The treatment of early infection after ORIF should be decided by a multidisciplinary team. The principles are the same as for revision arthroplasty. Superficial SSIs should be differentiated from deep SSIs, based on the results of bacteriological specimens collected using flawless technique...
January 2, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28056334/immediate-microsurgical-bone-and-nerve-reconstruction-in-the-irradiation-treated-patient-a-case-report
#14
Ramzey Tursun, J Marshall Green
Microsurgical reconstructive techniques have revolutionized the treatment of large head and neck defects. These defects were once forever life altering because of the considerable morbidity to both the form and function of the patient. As time has progressed, microsurgical technique has improved dramatically and has become institutionalized in our training programs. Free flap outcomes in head and neck reconstruction have improved dramatically, and optimization of these outcomes is now key. One overlooked area has been neurosensory reconstruction...
December 11, 2016: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28053301/what-is-the-main-potential-factor-influencing-ocular-protrusion
#15
Yinwei Li, Yun Su, Xuefei Song, Huifang Zhou, Xianqun Fan
BACKGROUND The aim of the present study was to establish the normal-range orbital parameters and to explore the relationships between ocular protrusion and various orbital morphological factors. MATERIAL AND METHODS A retrospective, non-comparative case series was conducted from January 2014 to December 2015. We recruited 56 subjects (112 orbits), including 27 males (21 to 87 years of age) and 29 females (22 to 88 years of age) in this study. Nine length measurements, 2 angle measurements, and 2 volume measurements of various aspects of the orbit were obtained using Mimics v18...
January 5, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28050984/evaluation-of-bacteriological-profile-in-the-apical-root-segment-of-the-patients-with-primary-apical-periodontitis
#16
Aravind Tatikonda, N Sudheep, Krishna P Biswas, K Gowtham, Sudarshan Pujari, Padam Singh
INTRODUCTION: Apical periodontitis usually results from bacterial accumulation and contamination occurring in the root-canal system, and extending beyond the apical foramen to involve the periapical tissues. Literature has a paucity of the studies that stress on the division and analysis of the pulp canal segments. The reason for this disparity might be the technique used for collecting the samples from the pulp canals. Hence, we carried out the present study to evaluate the microbial flora in the apical part of the roots with necrotic pulp canals...
January 1, 2017: Journal of Contemporary Dental Practice
https://www.readbyqxmd.com/read/28048845/mo-d-pins-room-hall-e-01-integrating-mr-into-radiation-therapy
#17
D Savitskij
MRI, with its excellent soft tissue contrast and its ability to provide physiological as well as anatomical information, is becoming increasingly used in radiation therapy for treatment planning, image-guided radiation therapy, and treatment evaluation. This session will explore solutions to integrating MRI into the simulation process. Obstacles for using MRI for simulation include distortions and artifacts, image acquisition speed, complexity of imaging techniques, and lack of electron density information...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28048824/su-f-t-123-the-simulated-effect-of-the-breath-hold-reproducibility-treating-locally-advanced-lung-cancer-with-pencil-beam-scanned-proton-therapy
#18
J Dueck, R Perrin, G F Persson, A Lomax, M Josipovic, S A Engelholm, D C Weber, P Munck, A F Rosenschöld
PURPOSE: The breath-hold (BH) technique has been suggested to mitigate motion and reduce target coverage degradation due to motion effects. The aim of this study was to investigate the effect of inter-BH residual motion on the dose distribution for pencil beam scanned (PBS) proton therapy of locally-advanced lung cancer patients. METHODS: A dataset of visually-guided BH CT scans was acquired (10 scans per patient) taken from five lung cancer patients: three intra-fractionally repeated CT scans on treatment days 2,16 and 31, in addition to the day 0 planning CT scan...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28048652/tu-d-brb-00-dual-energy-ct-in-radiation-therapy
#19
Zacariah Labby
: Dual-energy CT technology is becoming increasingly available to the medical imaging community. In addition, several models of CT simulators sold for use in radiation therapy departments now feature dual-energy technology. The images provided by dual-energy CT scanners add new information to the radiation treatment planning process; multiple spectral components can be used to separate and identify material composition as well as generate virtual monoenergetic images. In turn, this information could be used to investigate pathologic processes, separate the properties of contrast agents from soft tissues, assess tissue response to therapy, and other applications of therapeutic interest...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28048577/tu-h-campus-iep2-05-breast-and-soft-tissue-equivalent-3d-printed-phantoms-for-imaging-and-dosimetry
#20
D Hintenlang, B Terracino
PURPOSE: The study has the goal to demonstrate that breast and soft tissue-equivalent phantoms for dosimetry applications in the diagnostic energy range can be fabricated using common 3D printing methods. METHODS: 3D printing provides the opportunity to rapidly prototype uniquely designed objects from a variety of materials. Common 3D printers are usually limited to printing objects based on thermoplastic materials such as PLA, or ABS. The most commonly available plastic is PLA, which has a density significantly greater than soft tissue...
June 2016: Medical Physics
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