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Glenohumeral

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https://www.readbyqxmd.com/read/28551937/-a-new-player-in-the-field-of-shoulder-surgery-the-reverse-shoulder-arthroplasty
#1
REVIEW
Ido Stahl, Daniel Dreyfuss, Bezalel Peskin, Doron Norman, Ofer Levy, Nir Hous
Reverse shoulder arthroplasty (RSA) in its modern design was first introduced over 25 years ago and approved by the American FDA over ten years ago. This type of prosthesis allows treatment of glenohumeral joint disease among patients with severe rotator cuff deficiency once thought to be inoperable. Modifications to the prosthesis design, along with improved surgical technique, led to better clinical outcomes and lower complication rates, which subsequently led to an increase in the usage of this implant device...
March 2017: Harefuah
https://www.readbyqxmd.com/read/28549359/-bristow-latarjet-technique-for-anterior-glenohumeral-instability
#2
I Jiménez, A Marcos-García, J Medina, G Muratore-Moreno, J Caballero-Martel
BACKGROUND: In treatment of anterior shoulder instability, many surgical techniques have been described, all of them with advantages and disadvantages. Our goal is to study the half term results on patients that underwent open Bristow-Latarjet surgery considering the preoperative ISIS value. MATERIAL AND METHODS: This is a retrospective study of 33 patients which underwent open Bristow-Latarjet surgery in our center between 2005 and 2012. Average age of 33.2 years and follow up of 75 months...
November 2016: Acta Ortopédica Mexicana
https://www.readbyqxmd.com/read/28529869/septic-arthritis-of-the-shoulder-with-proximal-humerus-osteomyelitis-treated-by-ilizarov-shoulder-arthrodesis
#3
John Kendall, Martin McNally
Septic arthritis of the shoulder can destroy the glenohumeral joint resulting in significant pain, instability and poor function. Surgical treatment is notoriously difficult with significant risk of complications. Shoulder arthrodesis has been performed using both internal and external fixation but has high complication rates in the presence of infection. We present our experience of managing a patient with significant pain and loss of function as a result of septic arthritis of the shoulder following infected proximal humeral fracture fixation with associated proximal humeral osteomyelitis...
2017: J Bone Jt Infect
https://www.readbyqxmd.com/read/28513278/infraspinatus-isolation-during-external-rotation-exercise-at-varying-degrees-of-abduction
#4
Gareth Ryan, Heather Johnston, Janice Moreside
CONTEXT: External rotation (ER) strengthening exercises are a common component of shoulder injury prevention and rehabilitation programs. They are primarily intended to target the infraspinatus muscle, based on its role in glenohumeral stabilization and inferior humeral glide. ER also recruits the posterior deltoid, which can be undesirable due to its role in subacromial space narrowing. OBJECTIVE: To determine the angle of humeral abduction that maximizes the infraspinatus to posterior deltoid activation ratio (INFRA/PD) during ER...
May 17, 2017: Journal of Sport Rehabilitation
https://www.readbyqxmd.com/read/28499143/differences-between-clinician-and-self-administered-shoulder-sustained-mobilization-on-scapular-and-shoulder-muscle-activity-during-shoulder-abduction-a-repeated-measures-study-on-asymptomatic-individuals
#5
Daniel Cury Ribeiro, Gisela Sole, Ramu Venkat, Jonathan Shemmell
BACKGROUND: Sustained glenohumeral postero-lateral glide administered by a clinician is commonly used in the management of patients with shoulder pain. This technique reduced shoulder muscle activity in asymptomatic individuals, but it is unknown whether a self-administered version of the mobilization leads to similar neuromuscular response. This study compared the effect of sustained shoulder mobilizations (performed by a physiotherapist) with self-administered mobilization (with a belt) on activity levels of scapular and glenohumeral shoulder muscles...
May 1, 2017: Musculoskeletal Science & Practice
https://www.readbyqxmd.com/read/28498227/mechanisms-and-treatments-for-shoulder-injuries-in-overhead-throwing-athletes
#6
Jason L Zaremski, Joseph G Wasser, Heather K Vincent
Shoulder injuries in overhead throwing athletes are very common. Throwing volume and mechanical forces that are placed on the glenohumeral joint and associated soft tissue structures are contributors. Poor biomechanics and weak links in the kinetic chain place this athletic population at increased risk for shoulder injuries. Common biomechanical deficiencies in overhead throwing athletes typically involve poor sequential timing of muscle activity and insufficient coordination also presented in shoulder elevation and other functional tasks...
May 2017: Current Sports Medicine Reports
https://www.readbyqxmd.com/read/28497103/reverse-total-shoulder-arthroplasty-for-the-treatment-of-synovial-chondromatosis-a-case-report-and-review-of-the-literature
#7
Alexander Kreines, Sean McMillan, Elizabeth Ford, Abigail Dingle
Synovial chondromatosis affecting the glenohumeral joint is rare. Treatment primarily consists of arthroscopic loose body removal and synovectomy. Shoulder arthroplasty has been mentioned in the literature as a treatment option for patients with coexisting arthritis, although the results have been underreported. The case of an 84-year-old man with long standing synovial chondromatosis of the shoulder resulting in severe degenerative disease is presented. The patient was treated with a reverse total shoulder arthroplasty, loose body removal, and a complete synovectomy...
March 2017: Archives of Bone and Joint Surgery
https://www.readbyqxmd.com/read/28488127/imaging-of-the-coracoglenoid-ligament-a-third-ligament-in-the-rotator-interval-of-the-shoulder
#8
Marcello Zappia, Alessandro Castagna, Antonio Barile, Vito Chianca, Luca Brunese, Nicole Pouliart
OBJECTIVE: The coracoglenoid ligament (CGL) forms part of the anterosuperior capsuloligamentous complex of the shoulder. Although it has received attention in the anatomical literature, it has not been investigated on imaging. The purpose of this study is to determine the percentage value and the interobserver agreement of identification and classification of the CGL on MR and MR arthrography (MRA) imaging. MATERIALS AND METHODS: Retrospectively, 280 MR and 150 MRA examinations were evaluated for detection of the CGL by two musculoskeletal radiologists...
May 10, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/28478901/three-dimensional-quantitative-analysis-of-humeral-head-and-glenoid-bone-defects-with-recurrent-glenohumeral-instability
#9
Noboru Matsumura, Satoshi Oki, Masateru Kitashiro, Mayu Minemoto, Takeru Ichikawa, Morio Matsumoto, Masaya Nakamura, Takeo Nagura
BACKGROUND: Although bone defects of the humeral head and glenoid could affect glenohumeral instability, bone loss has not been sufficiently evaluated. The purpose of this study was to quantify bone defects 3-dimensionally in cases with glenohumeral instability. METHODS: Three-dimensional surface models of bilateral proximal humeri and glenoids were reconstructed from computed tomography scans of 90 patients with symptomatic, unilateral, recurrent glenohumeral instability...
May 3, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28455736/concomitant-glenohumeral-pathologies-associated-with-acute-and-chronic-grade-iii-and-grade-v-acromioclavicular-joint-injuries
#10
Gunnar Jensen, Peter J Millett, Dimitri S Tahal, Mireille Al Ibadi, Helmut Lill, Jan Christoph Katthagen
PURPOSE: The purpose of this study was to identify the risk of concomitant glenohumeral pathologies with acromioclavicular joint injuries grade III and V. METHODS: Patients who underwent arthroscopically-assisted stabilization of acromioclavicular joint injuries grade III or grade V between 01/2007 and 12/2015 were identified in the patient databases of two surgical centres. Gender, age at index surgery, grade of acromioclavicular joint injury (Rockwood III or Rockwood V), and duration between injury and index surgery (classified as acute or chronic) were of interest...
April 28, 2017: International Orthopaedics
https://www.readbyqxmd.com/read/28454773/efficacy-of-3-therapeutic-taping-configurations-for-children-with-brachial-plexus-birth-palsy
#11
Stephanie A Russo, Dan A Zlotolow, Ross S Chafetz, Luisa M Rodriguez, Devin Kelly, Holly Linamen, James G Richards, John D Lubahn, Scott H Kozin
STUDY DESIGN: Cross-sectional clinical measurement study. INTRODUCTION: Scapular winging is a frequent complaint among children with brachial plexus birth palsy (BPBP). Therapeutic taping for scapular stabilization has been reported to decrease scapular winging. PURPOSE OF THE STUDY: This study aimed to determine which therapeutic taping construct was most effective for children with BPBP. METHODS: Twenty-eight children with BPBP participated in motion capture assessment with 4 taping conditions: (1) no tape, (2) facilitation of rhomboid major and rhomboid minor, (3) facilitation of middle and lower trapezius, and (4) facilitation of rhomboid major, rhomboid minor, and middle and lower trapezius (combination of both 2 and 3, referred to as combined taping)...
April 25, 2017: Journal of Hand Therapy: Official Journal of the American Society of Hand Therapists
https://www.readbyqxmd.com/read/28452832/shoulder-dynamic-control-ratio-and-rotation-range-of-motion-in-female-junior-elite-handball-players-and-controls
#12
Robert van Cingel, Bas Habets, Linn Willemsen, Bart Staal
OBJECTIVE: To compare glenohumeral range of motion and shoulder rotator muscle strength in healthy female junior elite handball players and controls. DESIGN: Cross-sectional case-control study. SETTING: Sports medical center. PARTICIPANTS: Forty elite female handball players and 30 controls active in nonoverhead sports participated in this study. MAIN OUTCOME MEASURES: Passive external rotator (ER), internal rotator (IR), and total range of motion (TROM) of the dominant and nondominant arm were examined with a goniometer...
April 27, 2017: Clinical Journal of Sport Medicine: Official Journal of the Canadian Academy of Sport Medicine
https://www.readbyqxmd.com/read/28451600/current-concepts-in-the-diagnosis-and-management-of-traumatic-anterior-glenohumeral-subluxations
#13
REVIEW
Joseph A Gil, Steven DeFroda, Brett D Owens
Traumatic anterior glenohumeral subluxations comprise the majority of glenohumeral instability events and are endemic in young athletes. Unlike the definitive complete dislocation event, subluxation events may often be more subtle in presentation and, therefore, may be overlooked by clinicians. Glenohumeral subluxation events are associated with a high rate of labral tears as well as humeral head defects. While less is known of the natural history of these injuries, young athletes are at risk for recurrent instability events if not properly diagnosed and treated...
March 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28448306/open-glenohumeral-joint-reduction-and-latissimus-dorsi-and-teres-major-tendon-transfers-for-infants-and-children-following-brachial-plexus-birth-palsy
#14
Joshua M Abzug, Scott H Kozin, Peter M Waters
Glenohumeral dysplasia can occur in brachial plexus birth palsy due to an imbalance of muscle forces. Most commonly this occurs in C5-C6 injuries where the shoulder external rotators are weak compared with the shoulder internal rotators. Treatment of the dysplasia with open reduction of the glenohumeral joint in combination with rebalancing the muscles can improve the development of the joint. Furthermore, the tendon transfer can improve shoulder function by decreasing the internal rotation forces about the shoulder while increasing the external rotation forces...
June 2017: Techniques in Hand & Upper Extremity Surgery
https://www.readbyqxmd.com/read/28435581/bilateral-asymmetrical-fracture-dislocation-of-shoulder-with-rare-combination-of-injuries-after-epileptic-seizure-a-case-report
#15
A Sharma, S Jindal, M S Narula, S Garg, A Sethi
The incidence of bilateral gleno-humeral joint dislocation is rare, is almost always posterior and is usually caused by sports injuries, epileptic seizures, electrical shock, or electroconvulsive therapy. Bilateral fracture-dislocation is even rarer, with a few cases reported in the literature. We report an unusual case with dislocation of the both glenohumeral joints in opposite direction after a seizure episode, with fracture of greater tuberosity on one side and of the lesser tuberosity on the contralateral side...
March 2017: Malaysian Orthopaedic Journal
https://www.readbyqxmd.com/read/28432457/outcome-and-revision-rate-of-uncemented-glenohumeral-resurfacing-c-a-p-after-5-8%C3%A2-years
#16
P C Geervliet, M P J van den Bekerom, P Spruyt, M Curvers, A van Noort, C P J Visser
BACKGROUND: Resurfacing of the glenohumeral joint for patients with glenohumeral arthritis has gained popularity since the first introduction. We report the mid-term results of the Global C.A.P. uncemented resurfacing shoulder prosthesis (DePuy Synthes). METHODS: From January 2007 to December 2009, 48 humeral cementless resurfacing prostheses in 46 patients were performed. All patients were diagnosed with primary glenohumeral osteoarthritis. Patients were contacted for review; the Constant Score, visual analog pain scale, Dutch Simple Shoulder Test, SF-12 scores and physical examination were assessed both preoperatively and yearly postoperatively...
April 21, 2017: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/28427872/abduction-brace-versus-antirotation-sling-after-arthroscopic-cuff-repair-the-effects-on-pain-and-function
#17
Freek Hollman, Nienke Wolterbeek, Jacco A C Zijl, Sjoerd P M van Egeraat, Ronald N Wessel
PURPOSE: To study the effects on pain as the main outcome parameter and on function and cuff integrity as the secondary outcome parameters after arthroscopic rotator cuff repair in the short term comparing the abduction brace with an antirotation sling for postoperative shoulder immobilization. METHODS: Eligible patients were between the ages of 18 and 75 years who were diagnosed with a traumatic or degenerative tear of the supraspinatus and/or infraspinatus tendon, confirmed by magnetic resonance imaging, for which an arthroscopic footprint repair was indicated and performed...
April 17, 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/28414265/effectiveness-of-a-home-based-eccentric-exercise-program-on-the-torque-angle-relationship-of-the-shoulder-external-rotators-a-pilot-study
#18
Timothy L Uhl, Thomas Rice, Brianna Papotto, Timothy A Butterfield
CONTEXT: The role of the rotator cuff is to provide dynamic stability to the glenohumeral joint. Human and animal studies have identified sarcomerogenesis as an outcome of eccentric training indicated by more torque generation with the muscle in a lengthened position. OBJECTIVE: The authors hypothesized that a home-based eccentric-exercise program could increase the shoulder external rotators' eccentric strength at terminal internal rotation (IR). DESIGN: Prospective case series...
April 2017: Journal of Sport Rehabilitation
https://www.readbyqxmd.com/read/28412107/glenoid-morphology-in-obstetrical-brachial-plexus-lesion-a-three-dimensional-computed-tomography-study
#19
Lars H Frich, Pernille H Schmidt, Trine Torfing
BACKGROUND: Obstetric brachial plexus lesion (OBPL) frequently leads to glenohumeral dysplasia, and excessive retroversion of the glenoid is among the best known developmental disturbances. Most analyses of the glenoid are based on 2-dimensional (D) imaging and do not address glenoid inclination or provide information on the glenoid in the sagittal plane. We aim to describe the 3-D deformity of the glenoid in children with OBPL. METHODS: Preoperative computed tomography (CT) scans of the nonaffected and the affected scapula of 24 children (aged 5 to 12 years) with developmental disturbances after OBPL years were analyzed...
April 12, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28412104/cement-stress-predictions-after-anatomic-total-shoulder-arthroplasty-are-correlated-with-preoperative-glenoid-bone-quality
#20
Alexandre Terrier, Raphaël Obrist, Fabio Becce, Alain Farron
HYPOTHESIS: We hypothesized that biomechanical parameters typically associated with glenoid implant failure after anatomic total shoulder arthroplasty (aTSA) would be correlated with preoperative glenoid bone quality. METHODS: We developed an objective automated method to quantify preoperative glenoid bone quality in different volumes of interest (VOIs): cortical bone, subchondral cortical plate, subchondral bone after reaming, subchondral trabecular bone, and successive layers of trabecular bone...
April 12, 2017: Journal of Shoulder and Elbow Surgery
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