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Stress radiography of joint

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https://www.readbyqxmd.com/read/27525497/conservative-treatment-is-sufficient-for-acute-distal-radioulnar-joint-instability-with-distal-radius-fracture
#1
Sang Ki Lee, Kap Jung Kim, Yong Han Cha, Won Sik Choy
Treatments for acute distal radioulnar joint (DRUJ) instability with distal radius fracture vary from conservative to operative treatment, although it seems to be no consensus regarding which treatment is optimal. This prospective randomized study was designed to compare the clinical outcomes for operative and conservative treatment of acute DRUJ instability with distal radius fracture, according to the presence or absence and type of ulnar styloid process fracture and the degree of its displacement. Between July 2008 and February 2013, we enrolled 157 patients who exhibited an unstable DRUJ during intraoperative manual stress testing (via the ballottement test) after fixation of the distal radius...
September 2016: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/27493817/morel-lavall%C3%A3-e-lesion-of-the-knee-in-a-recreational-frisbee-player
#2
Alison Shmerling, Jonathan T Bravman, Morteza Khodaee
Traumatic swelling/effusion in the knee region is a relatively common presenting complaint among athletes and nonathletes. Due to its broad differential diagnosis, a comprehensive evaluation beginning with history and physical examination are recommended. Knee joint effusion can be differentiated from other types of swelling by careful physical examination. Imaging, including plain radiography, ultrasound, and magnetic resonance imaging (MRI), is preferred modality. Aspiration of a local fluctuating mass may help with the diagnosis and management of some of these conditions...
2016: Case Reports in Orthopedics
https://www.readbyqxmd.com/read/27478694/a-preliminary-case-study-of-the-effect-of-shoe-wearing-on-the-biomechanics-of-a-horse-s-foot
#3
Olga Panagiotopoulou, Jeffery W Rankin, Stephen M Gatesy, John R Hutchinson
Horse racing is a multi-billion-dollar industry that has raised welfare concerns due to injured and euthanized animals. Whilst the cause of musculoskeletal injuries that lead to horse morbidity and mortality is multifactorial, pre-existing pathologies, increased speeds and substrate of the racecourse are likely contributors to foot disease. Horse hooves have the ability to naturally deform during locomotion and dissipate locomotor stresses, yet farriery approaches are utilised to increase performance and protect hooves from wear...
2016: PeerJ
https://www.readbyqxmd.com/read/27444365/analysis-of-endovascular-therapy-for-femoropopliteal-disease-with-the-supera-stent
#4
Miguel Montero-Baker, Gregory J Ziomek, Luis Leon, Aaron Gonzales, Robert S Dieter, Crystal L Gadd, John P Pacanowski
BACKGROUND: The structural limitations of currently available laser-cut nitinol stents in the highly diseased arterial system of the lower extremity are well described. These devices are frequently used in long-segment occlusions, at the adductor hiatus, and across the knee into the popliteal artery and tibial-peroneal trunk despite concerns related to the high mobility of the knee joint and the potential for external stent compression, fractures, and occlusion. The Supera stent (Abbott Vascular, Santa Clara, Calif) was developed to provide superior radial strength, fracture resistance, and flexibility compared with laser-cut nitinol stents...
October 2016: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/27282732/stress-radiography-for-clinical-evaluation-of-anterior-shoulder-instability
#5
Jin-Young Park, Youngbok Kim, Kyung-Soo Oh, Hwa-Kyung Lim, Joo-Yong Kim
BACKGROUND: The purpose of this study was to examine the validity of stress radiography using the Telos GA-IIE as a clinical methodology to evaluate shoulder instability. METHODS: On 36 anterior shoulder dislocators and 23 uninjured volunteers, 4 types of stress radiographs were captured while applying 15 daN of force anteriorly (AER0 and AER60) and posteriorly (PER0 and PER60) at 2 different positions: (1) 90° of abduction combined with 0° external rotation and (2) 90° of abduction combined with 60° external rotation...
June 6, 2016: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/27163590/whole-body-clinical-applications-of-digital-tomosynthesis
#6
Haruhiko Machida, Toshiyuki Yuhara, Mieko Tamura, Takuya Ishikawa, Etsuko Tate, Eiko Ueno, Katelyn Nye, John M Sabol
With flat-panel detector mammography, radiography, and fluoroscopy systems, digital tomosynthesis (DT) has been recently introduced as an advanced clinical application that removes overlying structures, enhances local tissue separation, and provides depth information about structures of interest by providing high-quality tomographic images. DT images are generated from projection image data, typically using filtered back-projection or iterative reconstruction. These low-dose x-ray projection images are easily and swiftly acquired over a range of angles during a single linear or arc sweep of the x-ray tube assembly...
May 2016: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/26979177/does-simulated-walking-cause-gapping-of-meniscal-repairs
#7
Patrick C McCulloch, Hugh L Jones, Kendall Hamilton, Michael G Hogen, Jonathan E Gold, Philip C Noble
BACKGROUND: The objective of rehabilitation following meniscal repair is to promote healing by limiting stresses on repairs, while simultaneously preserving muscle strength and joint motion. Both protective protocols limiting weight bearing and accelerated which do not, have shown clinical success. This study assesses the effects of physiologic gait loading on the kinematic behavior of a repaired medial meniscus. METHODS: The medial menisci of eight fresh cadaveric knees were implanted with arrays of six 0...
December 2016: Journal of Experimental Orthopaedics
https://www.readbyqxmd.com/read/26945021/improving-diagnostic-accuracy-and-efficiency-of-suspected-bone-stress-injuries-algorithm-and-clinical-prediction-rule
#8
Nathaniel S Nye, Carlton J Covey, Lucas Sheldon, Bryant Webber, Mary Pawlak, Barry Boden, Anthony Beutler
CONTEXT: Lower extremity stress fractures among athletes and military recruits cause significant morbidity, fiscal costs, and time lost from sport or training. During fiscal years (FY) 2012 to 2014, 1218 US Air Force trainees at Joint Base San Antonio-Lackland, Texas, were diagnosed with stress fracture(s). Diagnosis relied heavily on bone scans, often very early in clinical course and often in preference to magnetic resonance imaging (MRI), highlighting the need for an evidence-based algorithm for stress injury diagnosis and initial management...
March 4, 2016: Sports Health
https://www.readbyqxmd.com/read/26885391/imaging-of-hip-pain-from-radiography-to-cross-sectional-imaging-techniques
#9
REVIEW
Fernando Ruiz Santiago, Alicia Santiago Chinchilla, Afshin Ansari, Luis Guzmán Álvarez, Maria Del Mar Castellano García, Alberto Martínez Martínez, Juan Tercedor Sánchez
Hip pain can have multiple causes, including intra-articular, juxta-articular, and referred pain, mainly from spine or sacroiliac joints. In this review, we discuss the causes of intra-articular hip pain from childhood to adulthood and the role of the appropriate imaging techniques according to clinical suspicion and age of the patient. Stress is put on the findings of radiographs, currently considered the first imaging technique, not only in older people with degenerative disease but also in young people without osteoarthritis...
2016: Radiology Research and Practice
https://www.readbyqxmd.com/read/26823451/does-superficial-medial-collateral-ligament-release-in-open-wedge-high-tibial-osteotomy-for-varus-osteoarthritic-knees-increase-valgus-laxity
#10
Seung-Suk Seo, Chang-Wan Kim, Jin-Hyuk Seo, Do-Hun Kim, Chang-Rack Lee
BACKGROUND: Medial open-wedge high tibial osteotomy (OWHTO) requires the release of the superficial medial collateral ligament (sMCL). However, research on medial laxity among patients who undergo OWHTO is rare. PURPOSE: To evaluate the changes in medial laxity of the knee joint as related to the complete release of the sMCL through serial valgus stress radiographs in patients who underwent OWHTO. STUDY DESIGN: Cohort study; Level of evidence, 2...
April 2016: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/26793038/ultrasonography-in-the-assessment-of-lateral-ankle-ligament-injury-instability-and-anterior-ankle-impingement-a-diagnostic-case-report
#11
Patrick J Battaglia, Kate Craig, Norman W Kettner
OBJECTIVE: The purpose of this case report is to describe the diagnostic value of ultrasonography (US) in a patient with injury to the lateral ligaments of the ankle with concomitant ankle joint osteoarthritis and anterior impingement. CLINICAL FEATURES: A 28-year-old male had a history of an inversion injury of the left ankle. Diagnostic US of the left ankle using an 8- to 15-MHz linear array transducer demonstrated a full thickness tear of the anterior talofibular ligament, partial thickness tearing of the calcaneofibular ligament, and laxity of the ankle with varus stress testing...
December 2015: Journal of Chiropractic Medicine
https://www.readbyqxmd.com/read/26781295/stress-fracture-of-the-scaphoid-in-an-elite-junior-tennis-player-a-case-report-and-review-of-the-literature
#12
REVIEW
Sho Kohyama, Akihiro Kanamori, Toshikazu Tanaka, Yuki Hara, Masashi Yamazaki
BACKGROUND: The carpal scaphoid is the most commonly fractured carpal bone in young adults after a fall on an outstretched arm that results in acute dorsal flexion of the wrist. However, stress fractures of the scaphoid are relatively rare. To the best of our knowledge, we describe the first case in the literature of carpal scaphoid stress fracture in a tennis player. CASE PRESENTATION: An 18-year-old Japanese man who was an elite junior tennis player was referred to our hospital after radiography and computed tomography revealed a carpal scaphoid fracture...
January 18, 2016: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/26521012/residual-hip-dysplasia-at-1-year-after-treatment-for-neonatal-hip-instability-is-not-related-to-degenerative-joint-disease-in-young-adulthood-a-21-year-follow-up-study-including-dgemric
#13
D Wenger, C Siversson, L E Dahlberg, C J Tiderius
OBJECTIVE: Developmental dysplasia of the hip (DDH) is associated with an increased risk of early hip osteoarthritis (OA). We aimed to examine the outcome at the completion of growth in a cohort of children who had residual acetabular dysplasia at age 1 year following early treatment for neonatal instability of the hip (NIH). DESIGN: We examined 21 of 30 subjects who had been treated with the von Rosen splint neonatally for NIH and had residual acetabular dysplasia at age 1 year...
March 2016: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/26510942/subtalar-joint-instability
#14
REVIEW
Thomas Mittlmeier, Alice Wichelhaus
PURPOSE: Subtalar joint instability may frequently be overlooked and erroneously be integrated under the diagnosis of ankle joint instability. It was the scope of this review to characterize the present state-of-art with regard to the adequate diagnosis and treatment. METHODS: While the clinical picture is mostly inconclusive for subtalar joint instability, a high degree of suspicion for this diagnosis is needed to employ weight-bearing x-rays, standardized stress radiography, CT scanning and MRI to further elucidate the etiopathology RESULTS: Geometrical reasons as hindfoot deformities, isolated or combined injuries or instabilities in conjunction with the ankle ligament complex do exist which should be differentiated in detail and classified to indicate the adequate treatment...
December 2015: European Journal of Trauma and Emergency Surgery: Official Publication of the European Trauma Society
https://www.readbyqxmd.com/read/26251933/simultaneous-bilateral-functional-radiography-in-ulnar-collateral-ligament-lesion-of-the-thumb-an-original-technique
#15
Jose Javier Dominguez Gonzalez, Pedro Zorrilla Ribot, Elba Nieves Perez Riverol, Ana Sarai Martinez Rodriguez
In any thumb injury, particularly one caused by hyperabduction, an ulnar collateral ligament lesion (gamekeeper's or skier's thumb) must be considered. If the diagnosis is suspected, and radiographs show no fracture, comparative radiographs should be obtained in forced valgus. This examination, which uses a stress test to cause joint tilt, is crucial in making an accurate diagnosis and deciding on the most appropriate therapeutic approach. The forced valgus maneuver typically is performed by the examiner, who must stay with the patient in the radiography room and wear radiologic protection...
August 2015: American Journal of Orthopedics
https://www.readbyqxmd.com/read/26131434/stability-of-unilateral-sagittal-split-ramus-osteotomy-for-correction-of-facial-asymmetry-long-term-case-series-and-literature-review
#16
Seong-Geun Lee, Young-Hoon Kang, June-Ho Byun, Uk-Kyu Kim, Jong-Ryoul Kim, Bong-Wook Park
Bilateral sagittal split ramus osteotomy is considered a standard technique in mandibular orthognathic surgeries to reduce unexpected bilateral stress in the temporomandibular joints. Unilateral sagittal split ramus osteotomy (USSO) was recently introduced to correct facial asymmetry caused by asymmetric mandibular prognathism and has shown favorable outcomes. If unilateral surgery could guarantee long-term postoperative stability as well as favorable results, operation time and the incidence of postoperative complications could be reduced compared to those in bilateral surgery...
June 2015: Journal of the Korean Association of Oral and Maxillofacial Surgeons
https://www.readbyqxmd.com/read/25932881/physical-examination-and-imaging-of-medial-collateral-ligament-and-posteromedial-corner-of-the-knee
#17
REVIEW
Jason A Craft, Peter R Kurzweil
The medial collateral ligament (MCL) is the most commonly injured knee ligament. Most will heal well with nonoperative treatment. However, not all medial knee injuries are the same. A detailed physical examination can help determine the severity of the medial-sided injury. When combined with advanced imaging, the examination will delineate damage to associated medial knee structures, including the location of MCL damage, posteromedial capsule injuries, and combined cruciate injuries. Failure to recognize MCL injuries that may be prone to chronic laxity can lead to significant disability, joint damage, and failure of concomitant cruciate ligament reconstructions...
June 2015: Sports Medicine and Arthroscopy Review
https://www.readbyqxmd.com/read/25855083/review-of-supplemental-views-and-stress-radiography-in-musculoskeletal-trauma-lower-extremity
#18
REVIEW
Michael V Friedman, Smith Chris, Jonathan C Baker, Travis J Hillen
The standard radiographic series is not always sufficient to diagnose and characterize subtle musculoskeletal injuries. Missed or delayed diagnoses can negatively affect patient acute morbidity and long-term outcomes. Similarly, management based on erroneous diagnoses may lead to unnecessary treatment and restrictions. Body-part- or joint-specific supplemental radiographic views and stress radiography offer an alternative for further evaluation of subtle injuries in specific clinical situations and may obviate the need for the added cost and potential ionizing radiation exposure of further cross-sectional imaging...
October 2015: Emergency Radiology
https://www.readbyqxmd.com/read/25850394/review-of-supplemental-views-and-stress-radiography-in-musculoskeletal-trauma-upper-extremity
#19
REVIEW
Michael V Friedman, Chris Smith, Travis J Hillen, Jonathan C Baker
The standard radiographic series is not always sufficient to diagnose and characterize subtle musculoskeletal injuries. Missed or delayed diagnoses can negatively affect patient acute morbidity and long-term outcomes. Similarly, management based on erroneous diagnoses may lead to unnecessary treatment and restrictions. Body part or joint specific supplemental radiographic views and stress radiography offer an alternative for further evaluation of subtle injuries in specific clinical situations and may obviate the need for the added cost and potential ionizing radiation exposure of further cross-sectional imaging...
October 2015: Emergency Radiology
https://www.readbyqxmd.com/read/25729287/stress-fracture-of-the-ulna-in-an-elite-ice-dancer
#20
Davide Tornese, Domenico Curci, Alice Nardo, Alessandra Cuccia, Grazia Pozzi
Stress fracture of the ulna is a rare overuse injury often arising from repetitive excessive forearm rotation. Here we report the first case of ulnar stress fracture in a female ice dancer. Diagnosis was made by history and physical examination, with the aid of imaging studies (plain x-ray, computed tomography, and magnetic resonance imaging), and biomechanical analysis of forearm pronation and supination. Following identification and modification of the causal technical element, the ice dancer was able to continue training and competing without cessation of activity...
March 2015: Journal of Sports Science & Medicine
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