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Glenohumeral joint

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https://www.readbyqxmd.com/read/29027573/dose-reduction-for-fluoroscopically-guided-injections-phantom-simulation-and-patient-procedures
#1
C Y Chang, F J Simeone, M C DeLorenzo, W E Palmer, M A Bredella, A J Huang
OBJECTIVE: To demonstrate fluoroscopy dose reduction through both simulated injections on a phantom and patient injections. MATERIALS AND METHODS: Our study was IRB-approved and HIPAA-compliant. Simulation on a phantom was used to estimate effective dose, entrance dose, and organ doses for hip joint injections without and with dose minimization technique (DMT). Additionally, 1,094 joint, bursae, and tendon sheath injections performed by three operators in the same fluoroscopy suite were evaluated both before and after application of DMT...
October 13, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/29018641/prevalence-and-determinants-of-frozen-shoulder-in-patients-with-diabetes-a-single-center-experience-from-pakistan
#2
Faisal Inayat, Nouman Safdar Ali, Haroon Shahid, Fariha Younus
Introduction Frozen shoulder (FS) or adhesive capsulitis is a constellation of symptoms like pain, stiffness, and/or functional deficit at the glenohumeral joint. It is one of the musculoskeletal complications in patients with diabetes that can be particularly debilitating. The aim of this study is to estimate the prevalence of FS and to compare the determinants of this disease in a population with diabetes from Lahore, Pakistan. Materials and Methods We carried out this cross-sectional study on a systematically randomized sample of 80 patients with diabetes...
August 6, 2017: Curēus
https://www.readbyqxmd.com/read/28989939/recovery-of-shoulder-rotational-muscle-strength-after-arthroscopic-bankart-repair
#3
Masatoshi Amako, Hiroshi Arino, Yoshifumi Tsuda, Toyokazu Tsuchihara, Koichi Nemoto
BACKGROUND: Shoulder rotational muscles act as dynamic stabilizers of the glenohumeral joint, and the recovery of muscle strength plays an important role in stabilizing the joint during postoperative rehabilitation. However, temporal changes in muscle strength after arthroscopic Bankart repair have not been clarified. PURPOSE: To better understand the temporal recovery of shoulder rotational muscle strength after arthroscopic Bankart repair. STUDY DESIGN: Case series; Level of evidence, 4...
September 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28988877/intra-and-inter-observer-reproducibility-of-shoulder-laxity-tests-comparison-of-the-drawer-modified-drawer-and-load-and-shift-tests
#4
Wataru Morita, Atsushi Tasaki
BACKGROUND: Conventional tests of shoulder laxity have been shown to have poor reliability due to the difficulty in palpating the subtle movements of the shoulder joint beneath the musculature. Modified drawer test that is performed while the soft tissues surrounding the shoulder are loosened has been proposed to facilitate glenohumeral joint movement and improve reliability. We hypothesised that the modified drawer test would have an improved intra- and inter-observer reproducibility in comparison to the drawer and load and shift tests...
October 5, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28987866/kinematic-patterns-in-normal-and-degenerative-shoulders-part-ii-review-of-3-d-scapular-kinematic-patterns-in-patients-with-shoulder-pain-and-clinical-implications
#5
REVIEW
Marie-Martine Lefèvre-Colau, Christelle Nguyen, Clemence Palazzo, Frederic Srour, Guillaume Paris, Valerie Vuillemin, Serge Poiraudeau, Agnes Roby-Brami, Alexandra Roren
BACKGROUND: The global range of motion of the arm is the result of a coordinated motion of the shoulder complex including glenohumeral (GH), scapulothoracic, sternoclavicular and acromioclavicular joints. METHODS: This study is a non-systematic review of kinematic patterns in degenerated shoulders. It is a based on our own research on the kinematics of the shoulder complex and clinical experience. RESULTS: For patients with subacromial impingement syndrome without rotator-cuff tears, most kinematic studies showed a small superior humeral translation relative to the glenoid and decreased scapular lateral rotation and posterior tilt...
October 5, 2017: Annals of Physical and Rehabilitation Medicine
https://www.readbyqxmd.com/read/28983224/arthroscopic-treatment-of-osseous-instability-of-the-shoulder
#6
REVIEW
David A Porter, Michael Birns, Sarah J Hobart, Marc Kowalsky, Gregory J Galano
BACKGROUND: Bony deficiency of the anteroinferior glenoid rim as a result of a dislocation can lead to recurrent glenohumeral instability. These lesions, traditionally treated by open techniques, are increasingly being treated arthroscopically as our understanding of the pathophysiology and anatomy of the glenohumeral joint becomes clearer. Different techniques for arthroscopic management have been described and continue to evolve. While the success of the repair is surgeon dependent, the recent advances in arthroscopic shoulder surgery have contributed to the growing acceptance of arthroscopic reconstruction of glenoid bone defects to restore stability...
October 2017: HSS Journal: the Musculoskeletal Journal of Hospital for Special Surgery
https://www.readbyqxmd.com/read/28980784/-adhesive-capsulitis-of-the-shoulder-update-2017
#7
Pierre-Alain Buchard, Cyrille Burrus, François Luthi, Nicolas Theumann, Nicolas Riand, Michel Konzelmann
A century and a half after its first description, adhesive capsulitis (frozen shoulder) has revealed only part of its secrets. Its definition remains clinical since the imaging technology we have at our dis-posal is insufficiently sensitive and specific. Next to its idiopathic form, the most frequent and the most characteristic, there are numerous situations inducing a functional limitation of the glenohumeral joint and of its environment. The clinical course inexorably takes place in one to two years, and develops in 3 phases where successively pain, retraction, and then recovery, as a rule complete recovery, dominate...
October 4, 2017: Revue Médicale Suisse
https://www.readbyqxmd.com/read/28979603/controversies-in-the-surgical-management-of-shoulder-instability-associated-soft-tissue-procedures
#8
Santos Moros Marco, José Luis Ávila Lafuente, Miguel Angel Ruiz Ibán, Jorge Diaz Heredia
BACKGROUND: The glenohumeral joint is a ball-and-socket joint that is inherently unstable and thus, susceptible to dislocation. The traditional and most common anatomic finding is the Bankart lesion (anterior-inferior capsule labral complex avulsion), but there is a wide variety of anatomic alterations that can cause shoulder instability or may be present as a concomitant injury or in combination, including bone loss (glenoid or humeral head), complex capsule-labral tears, rotator cuff tears, Kim´s lesions (injuries to the posterior-inferior labrum) and rotator interval pathology...
2017: Open Orthopaedics Journal
https://www.readbyqxmd.com/read/28979601/rehabilitation-for-shoulder-instability-current-approaches
#9
Anju Jaggi, Susan Alexander
BACKGROUND: The shoulder relies predominantly on dynamic muscular control to provide stability. Successful treatment is highly dependent upon the correct clinical diagnosis, identification of anatomical structural defects and abnormal movement patterns so that rehabilitation programs can be designed accordingly and individualised to the patient. METHOD: A systematic outline is provided to guide the clinician on how to identify muscular insufficiencies both local to the shoulder joint and global muscles that can influence shoulder instability...
2017: Open Orthopaedics Journal
https://www.readbyqxmd.com/read/28979600/anatomy-and-biomechanics-of-the-unstable-shoulder
#10
Ricardo Cuéllar, Miguel Angel Ruiz-Ibán, Adrián Cuéllar
PURPOSE: To review the anatomy of the shoulder joint and of the physiology of glenohumeral stability is essential to manage correctly shoulder instability. METHODS: It was reviewed a large number of recently published research studies related to the shoulder instability that received a higher Level of Evidence grade. RESULTS: It is reviewed the bony anatomy, the anatomy and function of the ligaments that act on this joint, the physiology and physiopathology of glenohumeral instability and the therapeutic implications of the injured structures...
2017: Open Orthopaedics Journal
https://www.readbyqxmd.com/read/28970982/concomitant-reverse-hill-sachs-lesion-and-posterior-humeral-avulsion-of-the-glenohumeral-ligament-treatment-with-fresh-talus-osteochondral-allograft-and-arthroscopic-posterior-humeral-avulsion-of-the-glenohumeral-ligament-and-labrum-repair
#11
Justin J Mitchell, Alexander R Vap, George Sanchez, Daniel J Liechti, Jorge Chahla, Gilbert Moatshe, Márcio B Ferrari, Matthew T Provencher
Chronic posterior glenohumeral joint instability can be a challenging clinical entity for patients and surgeons alike. In the setting of a posterior dislocation, a large anterior humeral impaction injury (reverse Hill-Sachs [HS]) may occur, leading to engagement of the humerus with the posterior glenoid bone, especially during internal rotation of the joint. A reverse HS is especially debilitating because of the significant portion of affected humeral head cartilage, and is made worse in the setting of ligamentous disruption such as a posterior humeral avulsion of the glenohumeral ligament (HAGL) lesions...
August 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28967470/involvement-of-synovial-matrix-degradation-and-angiogenesis-in-oxidative-stress-exposed-degenerative-rotator-cuff-tears-with-osteoarthritis
#12
Kyu-Cheol Noh, Sin-Hye Park, Cheol Jung Yang, Geun Woo Lee, Min Ki Kim, Young-Hee Kang
BACKGROUND: Shoulder osteoarthritis is a gradual wearing of the articular cartilage concomitant with degenerative rotator cuff tears (RCTs). This pathologic disorder is related to inflammation, oxidative stress, and angiogenesis. Degenerative alterations may prompt production of cytokines and angiogenesis-related proteins, evoking rotator cuff diseases. This study tested the hypothesis that oxidative stress-responsive mediators can influence joint inflammation of patients with RCT. METHODS: Twelve healthy RCT patients not suffering shoulder osteoarthritis were categorized as the control group, and 24 patients were allocated to 2 RCT groups (RCTP1 and RCTP2), according to severity of RCT and glenohumeral arthritis...
September 26, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28965317/radiographic-evaluation-of-patients-with-anterior-shoulder-instability
#13
REVIEW
Andrew J Kompel, Xinning Li, Ali Guermazi, Akira M Murakami
PURPOSE OF REVIEW: Injuries to the labrum, joint capsule (in particular the inferior glenohumeral ligament), cartilage, and glenoid periosteum are associated with anterior shoulder instability. The goal of this review is to provide common radiographic images and findings in patients with anterior shoulder instability. Furthermore, we will demonstrate the best methods for measuring anterior glenoid bone loss. RECENT FINDINGS: Magnetic resonance (MR) imaging is highly relied upon for evaluating anterior shoulder instability and can diagnose soft tissue injuries with high sensitivity...
September 30, 2017: Current Reviews in Musculoskeletal Medicine
https://www.readbyqxmd.com/read/28952852/effects-of-self-myofascial-release-on-shoulder-function-and-perception-in-adolescent-tennis-players
#14
Julien Le Gal, Mickael Begon, Benoit Gillet, Isabelle Rogowski
CONTEXT: Tennis induces a decreased internal rotation range of motion at the dominant glenohumeral joint. The effects of self-myofascial release have not yet been investigated to restore glenohumeral range of motion. OBJECTIVE: This study aimed at investigating the effects of self-myofascial release on the shoulder function and perception in adolescent tennis players. DESIGN: Test-retest design. SETTING: Tennis training sport facilities...
September 27, 2017: Journal of Sport Rehabilitation
https://www.readbyqxmd.com/read/28951280/the-relationship-of-the-anterior-articular-capsule-to-the-adjacent-subscapularis-an-anatomic-and-histological-study
#15
Chi-Ju Lee, Ming-Long Yeh, Chih-Hsun Chang, Florence L Chiang, Chih-Kai Hong, Wei-Ren Su
INTRODUCTION: The purpose of this study was to delineate the anatomic relationship between the anterior articular capsule and the adjacent subscapularis by measuring the dimensions of the anterior articular capsule attachment and the subscapularisfootprint on the humerus, as well as investigating the interface between the two structures. MATERIALS AND METHODS: Three shoulder specimensunderwent histological analysis; forhistological analysis, cross-sections through the subscapularis-capsulecomplex were harvested at the tendinous and muscular insertion sites...
September 22, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28945456/epidemiology-of-posterior-glenohumeral-instability-in-a-young-athletic-population
#16
Joseph T Lanzi, Philip J Chandler, Kenneth L Cameron, Julia M Bader, Brett D Owens
BACKGROUND: While several studies have observed the incidence of posterior glenohumeral instability in selected populations, there are no data from large-scale population-based studies with corresponding athletic exposure data to calculate incidence rates (IRs) and associated risk factors. PURPOSE: To determine risk factors for posterior glenohumeral instability within the physically active population at the United States Military Academy. STUDY DESIGN: Descriptive epidemiology study...
September 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28943071/classification-of-humeral-head-pathomorphology-in-primary-osteoarthritis-a-radiographic-and-in-vivo-photographic-analysis
#17
Peter Habermeyer, Petra Magosch, Christel Weiß, Nael Hawi, Sven Lichtenberg, Mark Tauber, Bastian Ipach
BACKGROUND: The purpose of this study was to characterize the pathologic changes of the osteoarthritic humeral head. METHODS: The study included 55 patients with primary osteoarthritis who underwent anatomic shoulder arthroplasty. Several radiologic parameters (radiography, magnetic resonance imaging) were assessed. Humeral head deformity in the transverse plane and humeral cartilage erosion in the coronal plane were chosen for photographic measurements from the resected humeral heads...
September 21, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28939321/ultrasound-guided-interscalene-brachial-plexus-nerve-block-with-an-ultralow-volume-of-local-anesthetic-for-post-thoracotomy-shoulder-girdle-pain
#18
Theodosios Saranteas, Anastasia Alevizou, Tatiana Sidiropoulou, Andreas Mavrogenis, Periklis Tomos, Panagiota Florou, Thomas Papadimos, Georgia Kostopanagiotou
OBJECTIVES: To evaluate the efficacy of ultrasound-guided interscalene nerve block using an ultralow volume of local anesthetic (5 mL of ropivacaine, 0.75%) for the management of post-thoracotomy shoulder girdle pain. DESIGN: Open-cohort, prospective, single-center study. SETTING: University hospital. INTERVENTIONS: Patients with post-thoracotomy shoulder girdle pain (visual analog scale [VAS] ≥5) received an ultrasound-guided interscalene nerve block...
April 26, 2017: Journal of Cardiothoracic and Vascular Anesthesia
https://www.readbyqxmd.com/read/28932751/return-to-sports-and-recurrences-after-arthroscopic-anterior-shoulder-stabilization-in-martial-arts-athletes
#19
Maximiliano Ranalletta, Luciano A Rossi, Adrian Sirio, Fernando Diaz Dilernia, Agustin Bertona, Gastón D Maignon, Santiago L Bongiovanni
BACKGROUND: The high demands to the glenohumeral joint and the violent shoulder blows experienced during martial arts (MA) could compromise return to sports and increase the recurrence rate after arthroscopic stabilization for anterior shoulder instability in these athletes. PURPOSE: To report the functional outcomes, return to sports, and recurrences in a series of MA athletes with anterior shoulder instability treated with arthroscopic stabilization with suture anchors...
September 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28932283/glenohumeral-arthrodesis-for-late-reconstruction-of-flail-shoulder-in-patients-with-traumatic-supraclavicular-brachial-plexus-palsy
#20
Tanujan Thangarajah, Simon M Lambert
BACKGROUND: Flail shoulder can occur following a brachial plexus injury and is characterized by painful subluxation of the glenohumeral joint and the inability to independently position the hand in space. The present study aimed to report the clinical outcomes following glenohumeral arthrodesis for late reconstruction of flail shoulder in patients with traumatic supraclavicular brachial plexus palsy. METHODS: Seven patients were included in the present study and were followed-up for a mean of 98 months (range 27 months to 197 months)...
October 2017: Shoulder & Elbow
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