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Glenohumeral

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https://www.readbyqxmd.com/read/28099302/comparison-of-ultrasound-and-mri-for-the-diagnosis-of-glenohumeral-dysplasia-in-brachial-plexus-birth-palsy
#1
Kenneth W Donohue, Kevin J Little, John P Gaughan, Scott H Kozin, Brian D Norton, Dan A Zlotolow
BACKGROUND: In this study, we investigated the agreement between measurements made on ultrasound and those made on magnetic resonance imaging (MRI) in the assessment of glenohumeral dysplasia resulting from brachial plexus birth palsy. METHODS: Thirty-nine patients (14 male and 25 female) with brachial plexus birth palsy were evaluated at 2 tertiary care centers. All patients underwent ultrasonography and MRI for suspected glenohumeral dysplasia. Studies were obtained at an average of 2 months apart (range, 0 to 6 months)...
January 18, 2017: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/28098497/magnetic-resonance-arthrography-results-that-indicate-surgical-treatment-for-partial-articular-sided-supraspinatus-tendon-avulsion-a-retrospective-study-in-a-tertiary-center
#2
Seok Hahn, Young Han Lee, Yong-Min Chun, Eun Hae Park, Jin-Suck Suh
Background Specific findings on magnetic resonance arthrography (MRA) that indicate the need for surgery in patients with partial articular-sided supraspinatus tendon avulsion (PASTA) are not well understood. Purpose To determine which MRA findings are characteristic of patients who undergo surgery for PASTA. Material and Methods From July 2011 to February 2014, MRA findings for patients treated for PASTA were retrospectively reviewed. The patients were divided into two groups: conservative treatment and surgical repair...
January 1, 2017: Acta Radiologica
https://www.readbyqxmd.com/read/28095361/axial-traction-magnetic-resonance-imaging-mri-of-the-glenohumeral-joint-in-healthy-volunteers-initial-experience
#3
Elisabeth R Garwood, Richard B Souza, Amy Zhang, Alan L Zhang, C Benjamin Ma, Thomas M Link, Daria Motamedi
OBJECTIVE: Evaluate technical feasibility and potential applications of glenohumeral (GH) joint axial traction magnetic resonance imaging (MRI) in healthy volunteers. MATERIALS AND METHODS: Eleven shoulders were imaged in neutral and with 4kg axial traction at 3T. Quantitative measurements were assessed. RESULTS: Axial traction was well tolerated. There was statistically significant widening of the superior GH joint space (p=0.002) and acromial angle (p=0...
January 3, 2017: Clinical Imaging
https://www.readbyqxmd.com/read/28089258/the-effect-of-scapular-position-on-subacromial-contact-behavior-a-cadaver-study
#4
Takayuki Muraki, Nobuyuki Yamamoto, John W Sperling, Scott P Steinmann, Robert H Cofield, Kai-Nan An
BACKGROUND: Patients with subacromial impingement were reported to show abnormal scapular positions during shoulder elevation. However, the relationship between the scapular positions and subacromial impingement is unclear. The purpose of this study was to biomechanically determine the effect of scapular position on subacromial contact behavior by using fresh frozen cadavers. METHODS: The peak contact pressure on the coracoacromial arch was measured with a flexible tactile force sensor in 9 fresh frozen cadaver shoulders...
January 11, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28075438/quantitative-anatomical-differences-in-the-shoulder
#5
Usman Ali Mohammed Syed, Daniel E Davis, Jia-Wei Ko, Brian K Lee, Daniel Huttman, Adam Seidl, Carl Deirmengian, Joseph A Abboud
This study explored the radiographic and anatomical differences in normal shoulders between men and women, as well as factors such as race, height, weight, and age. A total of 205 patients with documented normal anatomical radiographs comprised the study population. Five fellowship-trained orthopedic surgeon reviewers measured head diameter, humeral head size, head to tuberosity distance, greater tuberosity width, neck-shaft angle, surface-arc angle, glenoid neck length, and distance from the lateral acromion process to the greater tuberosity on anteroposterior radiographs with the shoulder in external rotation...
January 11, 2017: Orthopedics
https://www.readbyqxmd.com/read/28071815/effect-of-glenohumeral-elevation-on-subacromial-supraspinatus-compression-risk-during-simulated-reaching
#6
Rebekah L Lawrence, Dustin M Schlangen, Katelyn A Schneider, Jonathan Schoenecker, Andrea L Senger, William C Starr, Justin L Staker, Jutta M Ellermann, Jonathan P Braman, Paula M Ludewig
Mechanical subacromial rotator cuff compression is one theoretical mechanism in the pathogenesis of rotator cuff disease. However, the relationship between shoulder kinematics and mechanical subacromial rotator cuff compression across the range of humeral elevation motion is not well understood. The purpose of this study was to investigate the effect of humeral elevation on subacromial compression risk of the supraspinatus during a simulated functional reaching task. Three-dimensional anatomical models were reconstructed from shoulder magnetic resonance images acquired from 20 subjects (10 asymptomatic, 10 symptomatic)...
January 10, 2017: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/28069409/translation-and-validation-of-the-french-version-of-the-western-ontario-shoulder-instability-index-wosi-wosi-fr
#7
C Perrin, F Khiami, L Beguin, P Calmels, G Gresta, P Edouard
INTRODUCTION: The Western Ontario Shoulder Instability Index (WOSI) is a specific self-administered questionnaire measuring the functional impact on patients with chronic glenohumeral instability. In its English version, it is valid, reliable, and sensitive to change. The objective of the present study was to provide a linguistic and cross-cultural adaptation of the original version of the WOSI to French and to assess the metrologic properties of this version in patients with chronic shoulder instability...
January 6, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28060814/glenohumeral-joint-kinematics-following-clavicular-fracture-and-repairs
#8
Claudio Rosso, Michael Nasr, Kempland C Walley, Ethan R Harlow, Babak Haghpanah, Ashkan Vaziri, Arun J Ramappa, Ara Nazarian, Joseph P DeAngelis
BACKGROUND: The purpose of this biomechanical study was to determine the effect of shortened clavicle malunion on the center of rotation of the glenohumeral (GH) joint, and the capacity of repair to restore baseline kinematics. METHODS: Six shoulders underwent automated abduction (ABD) and abbreviated throwing motion (ATM) using a 7-DoF automated upper extremity testing system in combination with an infrared motion capture system to measure the center of rotation of the GH joint...
2017: PloS One
https://www.readbyqxmd.com/read/28049592/traditional-versus-congruent-arc-latarjet-technique-effect-on-surface-area-for-union-and-bone-width-surrounding-screws
#9
Guillaume D Dumont, Bryan G Vopat, Stephen Parada, Randy Cohn, Amun Makani, George Sanchez, Petar Golijanin, Brendin R Beaulieu-Jones, Anthony Sanchez, Matthew T Provencher
PURPOSE: To compare the surface area available for bony contact and the width of bone on each side of the Latarjet fixation screws in the traditional Latarjet technique versus the congruent arc modification of the Latarjet technique. METHODS: Computed tomographic scans of 24 shoulders in patients with glenohumeral instability who underwent multiplanar reconstruction measurements with multiple dimensions of the coracoid. The surface area of the coracoid available for bony contact with the anterior glenoid and width of bone on each side of a 3...
December 31, 2016: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/28049120/luxatio-erecta-humeri-with-neurovascular-compromise-inferior-glenohumeral-dislocation-illustrating-associated-injuries
#10
David Owen, Mithun Nambiar, Peter Moore, Malcolm Thomas
Luxatio erecta humeri (LEH) is a rare type of shoulder dislocation in which the humeral head becomes trapped beneath the glenoid. Patients present with the arm in a fixed hyperabducted position. LEH is estimated to occur in 0.5% of all shoulder dislocations, most often caused by trauma and has a significant association with local bone, ligament and less frequently neurovascular injury. We present a case with initial neurovascular compromise and sustained neurological impairment at long-term follow-up. Urgent closed reduction is advocated and subsequent treatment is dependent on associated injuries...
October 8, 2016: BMJ Case Reports
https://www.readbyqxmd.com/read/28040076/glenohumeral-arthritis-as-a-risk-factor-for-proximal-humerus-nonunion
#11
Mitchell R Klement, Brian T Nickel, Abiram Bala, Colin T Penrose, Robert D Zura, Grant E Garrigues
BACKGROUND: Proximal humerus fractures are common injuries and nonsurgical treatment has proven to yield good to excellent clinical results. A small percentage of these fractures go on to delayed or nonunion and the incidence and risk factors for this complication are poorly understood. We hypothesize that adjacent joint stiffness of the glenohumeral joint might lead to an increased rate of nonunion for proximal humerus fractures. METHODS: A search of the entire Medicare database from 2005 to 2011 was performed to identify 38,754 patients who sustained a proximal humerus fracture including 13,802 with co-existing ipsilateral shoulder osteoarthritis (OA) and 24,952 with co-existing diagnosis of rheumatoid arthritis (RA)...
December 2016: Injury
https://www.readbyqxmd.com/read/28040072/biomechanical-testing-to-evaluate-the-cut-through-resistance-of-intramedullary-nails-for-the-proximal-humerus
#12
Maximilian Wanzl, Peter Foehr, Ulrich Schreiber, Rainer H Burgkart, Andreas Lenich
Intramedullary nailing for stabilization of proximal humeral fractures is well-established. Complications as part of a cut-through, such as backing out of locking screws, loss of reduction, and perforation of the screws into the glenoid, are equally well-known. The test bench presented in this study enables testing of the cut-through behavior of multiple intramedullary implants on a simulated osteoporotic three-part fracture configuration with three different loading circumstances (A, B and C). In situation A, the glenohumeral dynamic force with progressive loadings entered at an angle of 15° to the humeral shaft...
December 2016: Injury
https://www.readbyqxmd.com/read/28031514/long-term-outcome-of-rockwood-capsular-shift-for-recurrent-shoulder-dislocation
#13
Luigi Murena, Nicola Guindani, Stefano Turino, Federico A Grassi, Paolo Cherubino
PURPOSE: To review the long-term outcome of Rockwood capsular shift for recurrent shoulder dislocation secondary to trauma. METHODS: Records of 30 males and 4 females who underwent Rockwood capsular shift for recurrent (≥2 episodes) anterior shoulder dislocation were reviewed. An additional Bankart repair with different techniques was performed in 24 of the patients by 2 different surgeons. The outcome was assessed using the Western Ontario Shoulder Instability Index (WOSI) and the Western Ontario Osteoarthritis of the Shoulder (WOOS) index questionnaires, the modified Rowe score, and the Constant-Murley score...
December 2016: Journal of Orthopaedic Surgery
https://www.readbyqxmd.com/read/28029804/prospective-evaluation-of-surgical-treatment-of-humeral-avulsions-of-the-glenohumeral-ligament
#14
Matthew T Provencher, Frank McCormick, Lance LeClere, George Sanchez, Petar Golijanin, Shawn Anthony, Christopher B Dewing
BACKGROUND: Humeral avulsion of the glenohumeral ligament (HAGL) is an infrequent but significant contributor to shoulder dysfunction, instability, and functional loss. PURPOSE: To prospectively identify patients with HAGL lesions and then conduct retrospective evaluation of the clinical history, examination findings, and surgical outcomes of these patients. STUDY DESIGN: Case series; Level of evidence, 4. METHODS: Over a 6-year period (2006-2011), patients with shoulder dysfunction and a HAGL lesion that was confirmed via magnetic resonance arthrogram (MRA) were prospectively evaluated with a minimum 2-year follow-up...
December 1, 2016: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28028575/3d-mr-vs-3d-ct-of-the-shoulder-in-patients-with-glenohumeral-instability
#15
Laurence Stillwater, James Koenig, Bruce Maycher, Michael Davidson
OBJECTIVE: To determine whether 3D-MR osseous reformats of the shoulder are equivalent to 3D-CT osseous reformats in patients with glenohumeral instability. MATERIALS AND METHODS: Patients with glenohumeral instability, who were to be imaged with both CT and MRI, were prospectively selected. CT and MR were performed within 24 h of one another on 12 shoulders. Each MR study included an axial 3D isotropic VIBE sequence. The image data from the isotropic VIBE sequence were post-processed using subtraction and 3D software...
December 27, 2016: Skeletal Radiology
https://www.readbyqxmd.com/read/28017169/the-effect-of-intra-articular-levobupivacaine-on-shoulder-cartilage-at-different-doses-experimental-study
#16
Mustafa Soner Özcan, Mahmut Kalem, Menekşe Özçelik, Ercan Şahin, Sanem Çakar, Nazlı Hayırlı, Oya Evirgen, Feyhan Ökten
BACKGROUND AND OBJECTIVES: In this study it was aimed to examine the histological and morphometric effects on cartilage structure of intra-articular application of levobupivacaine to the shoulder joint. METHODS: In twenty New Zealand adult male rabbits, 35 shoulders were used for the study and prepared in 5 groups of 7. These groups were defined as Groups L1, L2, L3 and L4 which were right shoulders administered with 0.25% and 0.5% levobupivacaine, Group C which were left shoulders as the control group and Groups S1 and S2 which were left shoulders administered with 0...
January 2017: Brazilian Journal of Anesthesiology
https://www.readbyqxmd.com/read/28005117/tenotomy-tenodesis-transfer-a-review-of-treatment-options-for-biceps-labrum-complex-disease
#17
Elizabeth B Gausden, Samuel A Taylor, Prem Ramkumar, Benedict U Nwachukwu, Keith Corpus, Brian J Rebolledo, Alexander White, Stephen J O'Brien
Biceps-labrum complex (BLC) disease is a well recognized source of shoulder pain. The BLC can be divided into 3 anatomical zones: inside, junction, and bicipital tunnel. Despite our evolving understanding, diagnosis of BLC pathology through physical examination, standard imaging techniques, and standard diagnostic glenohumeral arthroscopy can be challenging. Selection of the most appropriate surgical technique in refractory cases should take into account decompression of the extra-articular bicipital tunnel...
November 2016: American Journal of Orthopedics
https://www.readbyqxmd.com/read/28002370/distinct-proximal-humeral-geometry-in-chinese-population-and-clinical-relevance
#18
Qiang Zhang, Lewis L Shi, Krishna C Ravella, Jason L Koh, Shaobai Wang, Cailong Liu, Guoan Li, Jianhua Wang
BACKGROUND: Replicating humeral anatomy during shoulder arthroplasty is important for good patient outcomes. The proximal humeral geometry of the Chinese population has been rarely reported. We analyzed the geometry of the proximal part of the humerus in Chinese subjects and compared it with that of Western populations and the dimensions of available prostheses. METHODS: Eighty healthy Chinese subjects underwent computed tomography (CT)-arthrography. Three-dimensional (3D) digital humeral and glenoid models were reconstructed, and geometric parameters were measured...
December 21, 2016: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/28002354/association-between-cardiovascular-disease-risk-factors-and-rotator-cuff-tendinopathy-cross-sectional-study
#19
Kara Arnold Applegate, Matthew S Thiese, Andrew S Merryweather, Jay Kapellusch, David L Drury, Eric Wood, Richard Kendall, James Foster, Arun Garg, Kurt T Hegmann
OBJECTIVE: Recent evidence has found potential associations between cardiovascular disease (CVD) risk factors and common musculoskeletal disorders. We evaluated possible associations between risk factors and both glenohumeral joint pain and rotator cuff tendinopathy. METHODS: Data from WISTAH hand study participants (n = 1226) were assessed for associations between Framingham Heart Study CVD risk factors and both health outcomes. RESULTS: A strong association was observed between CVD risk scores and both glenohumeral joint pain and rotator cuff tendinopathy...
December 20, 2016: Journal of Occupational and Environmental Medicine
https://www.readbyqxmd.com/read/28002160/comparison-between-anterior-and-posterior-approaches-for-ultrasound-guided-glenohumeral-steroid-injection-in-primary-adhesive-capsulitis-a-randomized-controlled-trial
#20
Do-Young Kim, Sang-Soo Lee, Otgonsaikhan Nomkhondorj, Myung-Guk Cho, Jae Jun Lee, Jung-Taek Hwang, Myung Sun Hong
No abstract text is available yet for this article.
January 2017: Journal of Clinical Rheumatology: Practical Reports on Rheumatic & Musculoskeletal Diseases
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