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scapular radiographics

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https://www.readbyqxmd.com/read/27900271/prosthetic-design-of-reverse-shoulder-arthroplasty-contributes-to-scapular-notching-and-instability
#1
Gazi Huri, Filippo Familiari, Nima Salari, Steve A Petersen, Mahmut Nedim Doral, Edward G McFarland
AIM: To evaluate whether implant design, glenoid positioning, and other factors influenced instability and scapular notching in reverse total shoulder arthroplasty. METHODS: We retrospectively reviewed records of patients who had undergone reverse total shoulder arthroplasty by the senior author from July 2004 through October 2011 and who had at least 24 mo of follow-up. The 58 patients who met the criteria had 65 arthroplasties: 18 with a Grammont-type prosthesis (Grammont group) and 47 with a lateral-based prosthesis (lateral-design group)...
November 18, 2016: World Journal of Orthopedics
https://www.readbyqxmd.com/read/27887871/radiographic-results-of-augmented-all-polyethylene-glenoids-in-the-presence-of-posterior-glenoid-bone-loss-during-total-shoulder-arthroplasty
#2
Scott P Stephens, Edwin E Spencer, Michael A Wirth
BACKGROUND: Chronic osteoarthritis can result in glenohumeral subluxation and loss of posterior glenoid bone. This can alter normal glenohumeral biomechanics and affect the stress placed on the glenoid implant after total shoulder arthroplasty. This study evaluated the clinical and radiographic results of an augmented all-polyethylene glenoid for the treatment of glenoid osteoarthritis in the presence of posterior glenoid bone loss and determined whether any failures or complications occurred with short-term follow-up...
November 22, 2016: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/27832291/mri-for-the-diagnosis-of-scapular-dyskinesis-a-report-of-two-cases
#3
Wataru Morita, Taiki Nozaki, Atsushi Tasaki
Scapular dyskinesis describes the altered position of the scapula and/or abnormal movements of the scapulothoracic joint. It is caused by bony anatomical variations, bursitis, tumors, and muscular pathological conditions including loss of innervation and fibrosis. Scapular dyskinesis is just as often subclinical as it is symptomatic, and as the periscapular anatomical changes may not result in patient symptoms, a precise diagnosis of the etiology and pathophysiology has been a challenge. Scapular bony prominence is a common etiology of scapular dyskinesis, but does not always result in morbidity...
November 10, 2016: Skeletal Radiology
https://www.readbyqxmd.com/read/27807112/reverse-total-shoulder-arthroplasty-without-bone-grafting-for-severe-glenoid-bone-loss-in-patients-with-osteoarthritis-and-intact-rotator-cuff
#4
Edward G McFarland, Gazi Huri, Yoon Suk Hyun, Steve A Petersen, Uma Srikumaran
BACKGROUND: Treating shoulders with osteoarthritis, an intact rotator cuff, and substantial glenoid bone loss is challenging. One option is reaming the glenoid flat and inserting a reverse prosthesis. This study reports the subjective, objective, and radiographic results of reverse total shoulder arthroplasty (RTSA) in this population. METHODS: We retrospectively reviewed 42 consecutive patients (23 women; mean age, 71 years [range, 53 to 89 years]) with primary glenohumeral osteoarthritis, intact rotator cuffs, and Walch type-A2 (n = 19), B2 (n = 5), or C glenoids (n = 18) who had undergone a total of 42 RTSAs with glenoid reaming without bone-grafting between 2008 and 2013 (mean follow-up, 36 months [range, 24 to 66 months])...
November 2, 2016: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/27803227/comparison-of-measurements-of-the-glenopolar-angle-in-3d-ct-reconstructions-of-the-scapula-and-2d-plain-radiographic-views
#5
T Suter, H B Henninger, Y Zhang, J D Wylie, R Z Tashjian
AIMS: The aim of this study was to analyse the effect of altered viewing perspectives on the measurement of the glenopolar angle (GPA) and the differences between these measurements made on 3D CT reconstructions and anteroposterior (AP) scapular view radiographs. MATERIALS AND METHODS: The influence of the viewing perspective on the GPA was assessed, as were the differences in the measurements of the GPA between 3D CT reconstructions and AP scapular view radiographs in 68 cadaveric scapulae...
November 2016: Bone & Joint Journal
https://www.readbyqxmd.com/read/27799716/the-effects-of-wall-slide-and-sling-slide-exercises-on-scapular-alignment-and-pain-in-subjects-with-scapular-downward-rotation
#6
Tae-Ho Kim, Jin-Yong Lim
[Purpose] The present study was performed to evaluate the changes in the scapular alignment, pressure pain threshold and pain in subjects with scapular downward rotation after 4 weeks of wall slide exercise or sling slide exercise. [Subjects and Methods] Twenty-two subjects with scapular downward rotation participated in this study. The alignment of the scapula was measured using radiographic analysis (X-ray). Pain and pressure pain threshold were assessed using visual analogue scale and digital algometer. Patients were assessed before and after a 4 weeks of exercise...
September 2016: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/27742246/influence-of-glenosphere-size-on-the-development-of-scapular-notching-a-prospective-randomized-study
#7
Carlos Torrens, Pau Guirro, Joan Miquel, Fernando Santana
HYPOTHESIS: The objective of the study was to evaluate the development of scapular notching in reverse shoulder arthroplasty by comparing larger glenospheres (42 mm) with smaller glenospheres (38 mm). METHODS: This was a prospective randomized study of 81 patients who had undergone reverse shoulder arthroplasty with a 2-year follow-up. Patients were randomized to receive either a 42-mm glenosphere (38 patients) or a 38-mm glenosphere (43 patients). Scapular notching development was assessed with an anteroposterior radiograph at the end of the follow-up...
November 2016: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/27725102/a-comparison-of-bone-resorption-over-time-an-analysis-of-the-free-scapular-iliac-crest-and-fibular-microvascular-flaps-in-mandibular-reconstruction
#8
Tommy Wilkman, Satu Apajalahti, Erika Wilkman, Jyrki Törnwall, Patrik Lassus
PURPOSE: The aim of the present study was to compare the resorption of the bone in the free scapular, free iliac crest, and free fibular microvascular flaps in mandibular reconstruction over time. PATIENTS AND METHODS: In the present retrospective study, we analyzed 186 consecutive patients with scapular, fibular, or deep circumflex iliac artery (DCIA) osseous free microvascular flaps in mandibular reconstruction. We followed up the patients clinically and using multislice computed tomography (MSCT) with volume analyses of the bone...
September 15, 2016: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/27717542/is-radiograph-glenopolar-angle-accurate-for-extraarticular-scapular-neck-fractures
#9
Ritwik Kejriwal, Tarun Ahuja, Thin Hong
BACKGROUND: Plain radiographs still play a role in management of extraarticular scapular neck fractures. Glenopolar angle (GPA) is one of the radiograph measurements that is used to determine the necessity for surgery. Our aim was to establish reliability of GPA on plain radiograph in patients with extraarticular scapular neck fractures. METHODS: We performed a multicentre retrospective study including all patients with extraarticular scapular neck fractures with available imaging between 2006 and 2012...
December 2016: Injury
https://www.readbyqxmd.com/read/27697398/reconstruction-of-the-maxilla-following-hemimaxillectomy-defects-with-scapular-tip-grafts-and-dental-implants
#10
Christian Mertens, Christian Freudlsperger, Jens Bodem, Michael Engel, Jürgen Hoffmann, Kolja Freier
BACKGROUND: Treatment of post-resective defects of the maxilla can be challenging and usually requires dental obturation or microvascular reconstruction. As compared to soft-tissue microvascular grafts, bone reconstruction can additionally allow for facial support and retention of dental implants. The aim of this study was to evaluate scapular tip grafts with respect to their applicability for maxillary reconstruction and their potential to retain dental implants for later dental rehabilitation...
November 2016: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/27592372/radiographic-characterization-of-the-b2-glenoid-the-effect-of-computed-tomographic-axis-orientation
#11
Peter N Chalmers, Dane Salazar, Aaron Chamberlain, Jay D Keener
BACKGROUND: Glenoid retroversion may accelerate glenoid loosening after total shoulder arthroplasty. Accurate measurement of preoperative glenoid deformity is critical for decision-making and prognostication. The purpose of this study was to determine whether glenoid version, inclination, and depth and humeral subluxation measurements on computed tomography (CT) scan slices oriented in the plane of the body differ from those oriented in the scapular plane and those obtained by automated 3-dimensional reconstruction software in the setting of a biconcave B2-type glenoid...
August 31, 2016: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/27583005/acromial-and-scapular-spine-fractures-after-reverse-total-shoulder-arthroplasty
#12
Ian P Mayne, Simon N Bell, Warwick Wright, Jennifer A Coghlan
Acromial and scapular spine fractures after reverse total shoulder arthroplasty occur predominantly as a result of bony insufficiency secondary to patient and intra-operative technical factors. The spectrum of the pathology can range from a stress reaction to an undisplaced or displaced fracture. Prompt diagnosis of these fractures requires a high suspicion in the postoperative patient with a clinical presentation of acute onset of pain along the acromion or scapular spine and/or deterioration of shoulder function...
April 2016: Shoulder & Elbow
https://www.readbyqxmd.com/read/27582994/extra-articular-scapular-fractures-comparison-of-theoretical-and-actual-treatment
#13
Berdien Brandsema, Valentin Neuhaus, Gertraud Gradl, David C Ring
BACKGROUND: Discrete radiographic thresholds of scapular fracture deformity proposed as a guide for when to utilize operative treatment are a matter of debate. The purpose of the present study was to determine how many patients would have received operative treatment according to these criteria and how many actually received operative treatment. METHODS: Three hundred and thirty patients with an extra-articular fracture of the scapula at two level 1 trauma centers were retrospectively analyzed...
January 2016: Shoulder & Elbow
https://www.readbyqxmd.com/read/27511218/in-vivo-kinematic-analysis-of-the-glenohumeral-joint-during-dynamic-full-axial-rotation-and-scapular-plane-full-abduction-in-healthy-shoulders
#14
Naoya Kozono, Takamitsu Okada, Naohide Takeuchi, Satoshi Hamai, Hidehiko Higaki, Satoru Ikebe, Takeshi Shimoto, Go Miake, Yoshitaka Nakanishi, Yukihide Iwamoto
PURPOSE: The purpose of this study was to evaluate the kinematics of healthy shoulders during dynamic full axial rotation and scapular plane full abduction using three-dimensional (3D)-to-two-dimensional (2D) model-to-image registration techniques. METHODS: Dynamic glenohumeral kinematics during axial rotation and scapular plane abduction were analysed in 10 healthy participants. Continuous radiographic images of axial rotation and scapular plane abduction were taken using a flat panel radiographic detector...
August 10, 2016: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/27252433/reverse-shoulder-arthroplasty-for-malunions-of-the-proximal-part-of-the-humerus-type-4-fracture-sequelae
#15
Patric Raiss, T Bradley Edwards, Philippe Collin, Thomas Bruckner, Felix Zeifang, Markus Loew, Pascal Boileau, Gilles Walch
BACKGROUND: The treatment of fracture sequelae of the proximal part of the humerus in combination with posttraumatic arthritis is challenging. The reported results of treatment with anatomic shoulder arthroplasty are disappointing. The aim of this multicenter study was to analyze the clinical and radiographic results of reverse shoulder arthroplasty for treatment of posttraumatic sequelae of the proximal part of the humerus with malunion of the tuberosities. METHODS: This was a retrospective, multicenter study of 42 patients (42 shoulders) with the diagnosis of posttraumatic sequelae of the proximal part of the humerus with malunions of the tuberosities who were treated with reverse shoulder arthroplasty between 2000 and 2010...
June 1, 2016: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/27112947/early-clinical-and-radiological-outcomes-of-reverse-shoulder-arthroplasty-with-an-eccentric-all-polyethylene-glenosphere-to-treat-failed-hemiarthroplasty-and-the-sequelae-of-proximal-humeral-fractures
#16
Giovanni Merolla, Antonio Tartarone, John W Sperling, Paolo Paladini, Elisabetta Fabbri, Giuseppe Porcellini
PURPOSE: The aim of this study was to assess the effectiveness of reverse total shoulder arthroplasty (RTSA) with an all-polyethylene glenosphere in patients with failed hemiarthroplasty (HH) or the sequelae of proximal humeral fractures. METHODS: Thirty-six patients were assessed at a mean follow-up of 36 months using clinical scores and recording shoulder range of movement (ROM). RESULTS: Active anterior elevation (p < 0.001), lateral elevation (p < 0...
April 25, 2016: International Orthopaedics
https://www.readbyqxmd.com/read/27055054/glenoid-dysplasia
#17
Joseph A Abboud, Dexter K Bateman, Jonathan Barlow
Glenoid dysplasia is a developmental anomaly of the scapula that is characterized by a bony deficiency of the posteroinferior glenoid and the adjacent scapular neck. Glenoid dysplasia may occur as a primary isolated condition or in association with various syndromes. It is thought to be related to defective ossification of the inferior glenoid precartilage. Radiographs typically demonstrate bilateral, symmetric dysplasia of the scapular neck with a range of associated bony changes. Glenoid dysplasia has been associated with instability and premature glenohumeral arthritis, although the clinical presentation is highly variable...
May 2016: Journal of the American Academy of Orthopaedic Surgeons
https://www.readbyqxmd.com/read/27039671/reverse-total-shoulder-arthroplasty-with-structural-bone-grafting-of-large-glenoid-defects
#18
Richard B Jones, Thomas W Wright, Joseph D Zuckerman
BACKGROUND: Large glenoid defects pose difficulties in shoulder arthroplasty. Structural grafts consisting of a humeral head autograft, iliac crest, and allograft have been described. Few series describe grafts used with reverse total shoulder arthroplasty (RTSA). METHODS: We retrospectively reviewed patients who had undergone primary or revision RTSA. We identified 44 patients (20 men and 24 women; mean age, 69 years) as having a bulk structural graft to the glenoid behind the baseplate...
September 2016: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/26981052/the-axillary-view-typically-does-not-contribute-to-decision-making-in-care-for-proximal-humeral-fractures
#19
Marschall B Berkes, Joshua S Dines, Jacqueline F Birnbaum, Lionel E Lazaro, Tristan C Lorich, Milton T M Little, Joseph T Nguyen, Dean G Lorich
BACKGROUND: Convention dictates that an axillary view be obtained when evaluating proximal humerus fractures (PHF). However, the axillary view is frequently omitted because of pain and technical considerations. Furthermore, its diagnostic utility is unclear in this setting. QUESTIONS/PURPOSES: The purpose of this study was to (1) determine the rate of obtaining an adequate axillary X-ray and complete shoulder series at a level I trauma center, (2) understand the cost of ordering and attempting an axillary radiograph, and (3) determine if axillary radiographs influence the management of PHF...
October 2015: HSS Journal: the Musculoskeletal Journal of Hospital for Special Surgery
https://www.readbyqxmd.com/read/26876407/fibrodysplasia-ossificans-progressiva
#20
Usman Rashid, Attia Bari, Amna Maqsood, Samia Naz, Tahir Masood Ahmad
Fibrodysplasia Ossificans Progressiva (FOP) is a rare autosomal dominant disorder characterized by postnatal progressive heterotopic ossification of connective tissue and congenital malformation of big toes. We report a 3-year male toddler with clinical and radiological features of FOP. He was born with bilateral hallux valgus and at the age of 3 years presented with hard swellings over back, scapular region and forehead that were initially inflammatory and then became bony hard. There is also tilting of neck towards the left due to calcification in neck region...
February 2016: Journal of the College of Physicians and Surgeons—Pakistan: JCPSP
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