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https://www.readbyqxmd.com/read/29145042/relationship-of-t1-slope-with-loss-of-lordosis-and-surgical-outcomes-after-laminoplasty-for-cervical-ossification-of-the-posterior-longitudinal-ligament
#1
Masashi Miyazaki, Toshinobu Ishihara, Naoki Notani, Shozo Kanezaki, Hiroshi Tsumura
OBJECTIVE: T1 slope (T1S) has emerged as a predictor of kyphotic alignment change after laminoplasty. Although it was reported that patients with cervical ossification of the posterior longitudinal ligament (OPLL) and higher T1S had more pronounced lordotic curvature before surgery and higher loss of cervical lordosis after surgery, few studies have attempted to correlate these findings with clinical outcomes. We aimed to investigate the relationship of T1S with loss of cervical lordosis and surgical outcomes after laminoplasty for cervical OPLL...
November 13, 2017: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/29140170/clinical-diagnostic-tests-versus-mri-diagnosis-of-acl-tears
#2
Megan P Brady, Windee Weiss
CLINICAL SCENARIO: A common injury among elite, recreational, and youth athletes is the anterior cruciate ligament (ACL) tear.(1) Approximately 200,000 ACL injuries occur every year.(2) The gold standard in ACL injury evaluation is diagnostic arthroscopy,(3,4) however the diagnostic accuracy of clinical diagnostic tests and magnetic resonance imaging (MRI) is debatable.(1,3-6) Due to the frequency of knee injury,(3) MRI is a common diagnostic tool used for imaging and diagnosis(5). ACL tears are also diagnosed using clinical diagnostic tests...
November 15, 2017: Journal of Sport Rehabilitation
https://www.readbyqxmd.com/read/29137617/surgical-treatment-for-diffused-type-giant-cell-tumor-pigmented-villonodular-synovitis-about-the-ankle-joint
#3
Xingchen Li, Yang Xu, Yuan Zhu, Xiangyang Xu
BACKGROUND: Diffused-type giant cell tumor(Dt-GCT) is a rare, aggressive disorder of the joint synovium, bursa and tendon sheaths. Osseous erosions and subchondral cysts may develop as the result of synovium infiltration in Dt-GCT. We present a retrospective study of a series of patients who are diagnosed with Dt-GCT about the ankle joint, there clinical outcome is evaluated in this study. MATERIAL AND METHOD: Fifteen patients with radiologically and histologically confirmed Dt-GCT about the ankle joint were identified in our foot and ankle department...
November 14, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/29127246/non-oncologic-applications-of-pet-ct-and-pet-mr-in-musculoskeletal-orthopedic-and-rheumatologic-imaging-general-considerations-techniques-and-radiopharmaceuticals
#4
Ali Gholamrezanezhad, Kyle Basques, Ali Batouli, Mojtaba Olyaie, George Matcuk, Abass Alavi, Hossein Jadvar
Positron Emission Tomography (PET) is often underutilized in the field of musculoskeletal imaging, with key reasons including the excellent performance of conventional musculoskeletal MRI, the limited spatial resolution of PET, and the lack of reimbursement for PET for non-oncologic musculoskeletal indications. However, with improvements in PET/CT and PET/MR imaging over the last decade as well as an increased understanding of the pathophysiology of musculoskeletal diseases, there is an emerging potential for PET as a primary or complementary modality in the management of rheumatologic and orthopedic patients...
November 10, 2017: Journal of Nuclear Medicine Technology
https://www.readbyqxmd.com/read/29116329/digital-tomography-for-detection-of-acute-occult-scaphoid-fractures
#5
Anthony M Barcia, Liang Zhou, Jay B Cook, Kenneth K Lindell, Rey D Gumboc, Aaron D Dykstra, Robert J Lachky, Steven H Shaha, Kenneth F Taylor
Diagnosis of occult scaphoid fractures remains a challenge. Traditional management consisting of 2 weeks of immobilization and repeat radiographs results in unnecessary immobilization of many patients without fracture. Magnetic resonance imaging (MRI) is sensitive but expensive. Digital tomography (DT) is an imaging technique that provides fine-cut visualization with minimal radiation exposure and may be used when there is high clinical suspicion despite negative findings on initial radiographs. The authors compared the ability of DT vs MRI to detect acute occult scaphoid fractures...
November 1, 2017: Orthopedics
https://www.readbyqxmd.com/read/29101634/understanding-the-hill-sachs-lesion-in-its-role-in-patients-with-recurrent-anterior-shoulder-instability
#6
REVIEW
Jake A Fox, Anthony Sanchez, Tyler J Zajac, Matthew T Provencher
PURPOSE OF REVIEW: The purpose of this study is to provide an update to the orthopedic field in regard to treatment of the Hill-Sachs lesion and anterior shoulder instability. The review highlights the most current knowledge of epidemiology, clinical evaluation, and surgical methods used to treat Hill-Sachs lesions. It also details the relevant clinical and surgical findings that have been made throughout the literature in the past couple of years. RECENT FINDINGS: The most recent literature covering the Hill-Sachs lesion has focused on the relatively new and unexplored topic of the importance of concomitant injuries while treating a humeral head defect...
December 2017: Current Reviews in Musculoskeletal Medicine
https://www.readbyqxmd.com/read/29100514/expression-of-adiponectin-in-the-subchondral-bone-of-lumbar-facet-joints-with-different-degrees-of-degeneration
#7
Qi Lai, Yuan Liu, Leitao Huang, Xuqiang Liu, Xionglong Yu, Qiang Wang, Runsheng Guo, Jianghao Zhu, Hanxiong Cheng, Min Dai, Bin Zhang
BACKGROUND: Osteoarthritis research has been most commonly performed in the setting of the articular cartilage of the knee. To the best of our knowledge, no studies have evaluated the role of adiponectin in osteoarthritis of the lumbar facet joint (FJOA). Therefore, in this study, we explored whether adiponectin was expressed in the lumbar facet joints and evaluated the role of adiponectin in FJOA. METHODS: We enrolled patients who underwent lumbar computed tomography (CT) and magnetic resonance imaging (MRI) at the Orthopedic Department of the First Affiliated Hospital of Nanchang from May 2015 to June 2016...
November 3, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/29097955/thoracic-schwannoma-in-an-adult-male-presenting-with-thoracic-pain-a-case-report
#8
Andrew M Rodgers, Kim B Khauv
Objective: The purpose of this case report was to describe a patient presenting with back pain subsequently diagnosed with thoracic schwannoma. Clinical Features: A 45-year-old male presented to a chiropractic practice with mid-back, low back, and sacroiliac pain. Orthopedic examination revealed joint dysfunction in the thoracic-sacroiliac region with normal findings on neurologic examination. An initial diagnosis of thoracic spinal pain and sacroiliac sprain and strain was made...
September 2017: Journal of Chiropractic Medicine
https://www.readbyqxmd.com/read/29095394/mri-arthroscopy-correlation-of-the-rotator-cuff-a-case-based-review
#9
Rafael A Buerba, Armin Arshi, Kim M Lee, Benjamin D Levine, Frank A Petrigliano
With significant advancements over recent decades, magnetic resonance imaging (MRI) and shoulder arthroscopy are important complementary tools in guiding orthopedic surgeons to diagnosis, decision making, and treatment of rotator cuff pathology. The objective of this article is to review the basic principles and pearls of MRI-arthroscopy correlation of the rotator cuff through an overview of our approach to reading shoulder MRI followed by a case-based review of selected conditions. By understanding and comparing the subtleties of these modalities, radiologists and clinicians can better appreciate both the utility and limitations of MRI in predicting operative findings...
December 2017: Sports Medicine and Arthroscopy Review
https://www.readbyqxmd.com/read/29068880/quantitative-magnetization-transfer-mri-measurements-of-the-anterior-spinal-cord-region-are-associated-with-clinical-outcomes-in-cervical-spondylotic-myelopathy
#10
Michael Brendan Cloney, Zachary A Smith, Kenneth A Weber, Todd B Parrish
STUDY DESIGN: case-control. OBJECTIVE: To understand the role of magnetization transfer ratio in identifying patients with clinically significant myelopathy and disability. SUMMARY OF BACKGROUND DATA: Magnetization transfer ratio (MTR) is a quantitative measure that correlates with myelin loss and neural tissue destruction in a variety of neurological diseases. However, the usefulness of MTR in patients with cervical spondylotic myelopathy (CSM) has not been examined...
October 24, 2017: Spine
https://www.readbyqxmd.com/read/29067267/diabetic-osteoarthropathy-care-in-sweden-need-for-improvement-a-national-inventory
#11
Linda Wennberg, Paul Lundgren, Rimma Axelsson, Peter Aspelin, Kurt Gerok-Andersson, Börje Åkerlund
AIMS: Osteoarthropathy, a rare foot complication in patients with diabetes mellitus, calls for immediate and optimal management to prevent irreversible bone/joint destruction and risk of amputation. Awareness of the condition and adequate guidelines would minimize the consequences and the costs, both for the patient and for the society. We investigated the diabetic osteoarthropathy care in Swedish orthopedic clinics. METHODS: A questionnaire was distributed to 63 Swedish hospitals with emergency department for orthopedic patients...
September 2017: Journal of Clinical & Translational Endocrinology
https://www.readbyqxmd.com/read/29054263/nmsbuilder-freeware-to-create-subject-specific-musculoskeletal-models-for-opensim
#12
Giordano Valente, Gianluigi Crimi, Nicola Vanella, Enrico Schileo, Fulvia Taddei
BACKGROUND AND OBJECTIVE: Musculoskeletal modeling and simulations of movement have been increasingly used in orthopedic and neurological scenarios, with increased attention to subject-specific applications. In general, musculoskeletal modeling applications have been facilitated by the development of dedicated software tools; however, subject-specific studies have been limited also by time-consuming modeling workflows and high skilled expertise required. In addition, no reference tools exist to standardize the process of musculoskeletal model creation and make it more efficient...
December 2017: Computer Methods and Programs in Biomedicine
https://www.readbyqxmd.com/read/29024404/removal-of-sacral-nerve-stimulation-devices-for-magnetic-resonance-imaging-what-happens-next
#13
Jessica C Lloyd, Bradley C Gill, Javier Pizarro-Berdichevsky, Howard B Goldman
INTRODUCTION: Sacral neuromodulation (SNM) devices (Medtronic, Minneapolis, MN, USA) are not approved to undergo magnetic resonance imaging (MRI) of sites other than the head. When MRIs are required, devices are often removed prior to imaging. We reviewed the prevalence of device removal for MRI at a large academic institution and the subsequent clinical course of these patients. METHODS: A retrospective review of all SNM explants from 2009-2015 was performed. Cases explanted for MRI were analyzed to collect demographics, clinical characteristics, and postremoval management...
October 11, 2017: Neuromodulation: Journal of the International Neuromodulation Society
https://www.readbyqxmd.com/read/28957618/quadrilateral-space-syndrome-treated-with-ultrasound-guided-corticosteroid-injection-a-case-of-isolated-teres-minor-atrophy-and-review-of-the-literature
#14
Peter S Chang, Nathan Jacobson, Kwang U Chang
Quadrilateral space syndrome (QSS) is a rare orthopedic condition caused by compression, entrapment, or injury to the axillary nerve or posterior humeral circumflex artery as they arise from the quadrilateral space. QSS can present with point tenderness over the quadrilateral space and weakness and paresthesia in the axillary nerve distribution. It is commonly associated with repetitive overhead activities and is seen in athletes engaging in such activities. Here we report a case of QSS in a 42-year-old male weight lifter who presented with pain and soreness in the posterior aspect of his right shoulder radiating around his arm as well as slight weakness of his right shoulder of a few weeks duration...
October 2017: South Dakota Medicine: the Journal of the South Dakota State Medical Association
https://www.readbyqxmd.com/read/28946893/risk-factors-for-retear-of-large-massive-rotator-cuff-tears-after-arthroscopic-surgery-an-analysis-of-tearing-patterns
#15
Hisao Shimokobe, Masafumi Gotoh, Hirokazu Honda, Hidehiro Nakamura, Yasuhiro Mitsui, Tatsuyuki Kakuma, Takahiro Okawa, Naoto Shiba
BACKGROUND: Previous studies have evaluated the risk factors for retear of large/massive rotator cuff tears (RCTs) that were treated arthroscopically; however, most studies did not evaluate tear patterns. The present study hypothesized that postoperative risk factors are affected by the tearing patterns in large/massive cuff tears in patients undergoing arthroscopic rotator cuff repair (ARCR). METHODS: One hundred fifty patients with large/massive cuff tears underwent ARCR at our institution...
September 25, 2017: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/28937464/comparison-of-clinical-outcomes-after-anterior-cervical-discectomy-and-fusion-versus-cervical-total-disk-replacement-in-patients-with-modic-2-changes-on-mri
#16
Jia Li, Di Zhang, Wenyuan Ding, Yingze Zhang, Yong Shen
STUDY DESIGN: A retrospective investigation. OBJECTIVE: The aim of this research is to compare the clinical and radiologic outcomes of patients with Modic-2 changes who underwent anterior cervical discectomy and fusion (ACDF) or cervical total disk replacement (TDR) in single level. SUMMARY OF BACKGROUND DATA: There were few studies focused on the clinical and radiologic outcomes of patients with Modic-2 changes who underwent ACDF or cervical TDR in single level...
October 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28934809/ct-and-mri-techniques-for-imaging-around-orthopedic-hardware
#17
Thuy Duong Do, Reto Sutter, Stephan Skornitzke, Marc-André Weber
Orthopedic hardware impairs image quality in cross-sectional imaging. With an increasing number of orthopedic implants in an aging population, the need to mitigate metal artifacts in computed tomography and magnetic resonance imaging is becoming increasingly relevant. This review provides an overview of the major artifacts in CT and MRI and state-of-the-art solutions to improve image quality. All steps of image acquisition from device selection, scan preparations and parameters to image post-processing influence the magnitude of metal artifacts...
September 21, 2017: RöFo: Fortschritte Auf Dem Gebiete der Röntgenstrahlen und der Nuklearmedizin
https://www.readbyqxmd.com/read/28934538/predictability-of-early-postoperative-ultrasonography-after-arthroscopic-rotator-cuff-repair
#18
Joo Han Oh, Joon Yub Kim, Sae Hoon Kim, Nam Yun Chung
The predictability of early postoperative ultrasonography (USG) for evaluating the structural integrity of repaired rotator cuffs is still unclear. The aim of this study was to compare the predictability of early USG performed 3 and 6 months postoperatively with magnetic resonance imaging (MRI) performed 1 year after arthroscopic cuff repair for structural failure. Among 213 patients who had arthroscopic rotator cuff surgery in 2013, one hundred thirty-eight patients who underwent USG between 3 and 6 months postoperatively and MRI at 1 year postoperatively were enrolled; the postoperative MRI findings were the reference standard used for the comparison...
September 21, 2017: Orthopedics
https://www.readbyqxmd.com/read/28929003/fatal-cobalt-toxicity-after-a-non-metal-on-metal-total-hip-arthroplasty
#19
Rinne M Peters, Pax Willemse, Paul C Rijk, Mels Hoogendoorn, Wierd P Zijlstra
This case illustrates the potential for systemic cobalt toxicity in non-metal-on-metal bearings and its potentially devastating consequences. We present a 71-year-old male with grinding sensations in his right hip following ceramic-on-ceramic total hip arthroplasty (THA). After diagnosing a fractured ceramic liner, the hip prosthesis was revised into a metal-on-polyethylene bearing. At one year postoperatively, X-rays and MARS-MRI showed a fixed reversed hybrid THA, with periarticular densities, flattening of the femoral head component, and a pattern of periarticular metal wear debris and pseudotumor formation...
2017: Case Reports in Orthopedics
https://www.readbyqxmd.com/read/28917712/toward-classification-criteria-for-early-osteoarthritis-of-the-knee
#20
F P Luyten, S Bierma-Zeinstra, F Dell'Accio, V B Kraus, K Nakata, I Sekiya, N K Arden, L S Lohmander
OBJECTIVE: To propose draft classification criteria for early stage osteoarthritis (OA) of the knee for use in a primary care setting. METHODS: A group of basic scientists, physician-scientists, rheumatologists, orthopedic surgeons, and physiotherapists in a workshop setting discussed potential classification criteria for early osteoarthritis of the knee. The workshop was divided into sessions around relevant topics with short state of the art presentations followed by breakout sessions, consensus discussions, and consolidation into a consensus document...
August 9, 2017: Seminars in Arthritis and Rheumatism
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