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https://www.readbyqxmd.com/read/27745808/revisions-for-aseptic-glenoid-component-loosening-after-anatomic-shoulder-arthroplasty
#1
William R Aibinder, Bradley Schoch, Cathy Schleck, John W Sperling, Robert H Cofield
BACKGROUND: Glenoid component loosening is a common indication for revision shoulder arthroplasty. The objective of this study is to assess the longer-term outcomes of patients undergoing revision specifically for aseptic loosening. MATERIALS AND METHODS: Between 1985 and 2005, 34 revision shoulder arthroplasties were performed for aseptic glenoid loosening. Three patients were lost to follow-up. Treatment included component reimplantation in 20 shoulders (group I) or component removal with bone grafting in 11 shoulders (group II)...
October 10, 2016: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/27703928/infected-shoulder-joint-with-loose-suture-anchor-in-the-joint-after-bankart-s-repair-a-case-report
#2
Mukesh Kumar, Jai Thilak
INTRODUCTION: The glenoid labrum is frequently torn in traumatic glenohumeral dislocation; arthroscopic repair is the standard method of treatment. The complications associated with this repair are pulling out of metal suture anchors, chondrolysis and joint infection. The infection of joint after arthroscopy is less than 1%. Staphylococcus is most common organism and rarely followed by Pseudomonas aeruginosa. We report a case of infected shoulder with chondrolysis of the joint and pulled out metal suture anchor lying inside the joint after Bankart's repair...
April 2016: Journal of Orthopaedic Case Reports
https://www.readbyqxmd.com/read/27434235/dynamic-three-dimensional-shoulder-mri-during-active-motion-for-investigation-of-rotator-cuff-diseases
#3
Christine Tempelaere, Jérome Pierrart, Marie-Martine Lefèvre-Colau, Valérie Vuillemin, Charles-André Cuénod, Ulrich Hansen, Olivier Mir, Wafa Skalli, Thomas Gregory
BACKGROUND: MRI is the standard methodology in diagnosis of rotator cuff diseases. However, many patients continue to have pain despite treatment, and MRI of a static unloaded shoulder seems insufficient for best diagnosis and treatment. This study evaluated if Dynamic MRI provides novel kinematic data that can be used to improve the understanding, diagnosis and best treatment of rotator cuff diseases. METHODS: Dynamic MRI provided real-time 3D image series and was used to measure changes in the width of subacromial space, superior-inferior translation and anterior-posterior translation of the humeral head relative to the glenoid during active abduction...
2016: PloS One
https://www.readbyqxmd.com/read/27039671/reverse-total-shoulder-arthroplasty-with-structural-bone-grafting-of-large-glenoid-defects
#4
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/26948006/loose-glenoid-components-in-revision-shoulder-arthroplasty-is-there-an-association-with-positive-cultures
#5
Robert M Lucas, Jason E Hsu, Ian J Whitney, Jory Wasserburger, Frederick A Matsen
BACKGROUND: Glenoid loosening is one of the most common causes of total shoulder failure. High rates of positive cultures of Propionibacterium and coagulase-negative staphylococcus have been found among shoulders having surgical revision for glenoid loosening. This study reviewed the culture results in a series of surgical revisions for failed total shoulder arthroplasty to determine the relationship between glenoid loosening and positive cultures. METHODS: The medical records of 221 patients without obvious evidence of infection who underwent revision total shoulder arthroplasty were reviewed to examine the association between the security of fixation of the glenoid component and the results of cultures obtained at revision surgery...
August 2016: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/26631201/preliminary-results-of-a-posterior-augmented-glenoid-compared-to-an-all-polyethylene-standard-glenoid-in-anatomic-total-shoulder-arthroplasty
#6
MULTICENTER STUDY
Thomas W Wright, Sean G Grey, Christopher P Roche, Logan Wright, Pierre-Henri Flurin, Joseph D Zuckerman
INTRODUCTION: Osteoarthritis of the shoulder often results in significant posterior glenoid wear. The options for treating this have been eccentric glenoid reaming and occasionally bone grafting. More recently reverse total shoulder arthroplasty (rTSA) with or without bone grafting and posterior augmented glenoids (PAGs) has been introduced. The PAG restores the native joint line while reaming a minimal amount of glenoid bone. The purpose of this study is to compare osteoarthritic shoulders with significant posterior glenoid wear treated with anatomic total shoulder arthroplasty (aTSA) using a PAG to shoulders without glenoid wear treated with aTSA using a standard all poly pegged glenoid...
December 2015: Bulletin of the Hospital for Joint Diseases
https://www.readbyqxmd.com/read/25413594/a-new-anatomic-technique-for-type-ii-slap-lesions-repair
#7
Alessandro Castagna, Silvana De Giorgi, Raffaele Garofalo, Silvio Tafuri, Marco Conti, Biagio Moretti
PURPOSE: A new and more anatomical technique for SLAP II lesions repair is described. It consists in the reattachment of the medial aspect of the biceps anchor to the superior glenoid neck with a mattress stitch posterior and medial to the biceps anchor and a simple stitch placed anteriorly to the biceps. METHODS: From 2011 to 2012, 14 patients matching the inclusion criteria were selected for the study. A visual analogic scale, ROWE, UCLA, ASES and Constant scores were used to make evaluation...
February 2016: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/25267431/results-of-cementless-humeral-head-resurfacing-with-cemented-glenoid-components
#8
Patric Raiss, Manuela Weiter, Boris Sowa, Felix Zeifang, Markus Loew
PURPOSE: The aim of this study was to analyse the short- and medium-term clinical and radiographic results of cementless humeral head resurfacing in combination with a cemented glenoid component. METHODS: Thirty-five patients with a mean age of 65 years (range 42-84) and a mean follow-up of three years (two to six) were followed up. The Constant score with its subgroups as well as shoulder motions and complications were recorded. Radiographs in two planes were analysed for loosening of the components...
February 2015: International Orthopaedics
https://www.readbyqxmd.com/read/24328585/revision-of-the-loose-glenoid-component-in-anatomic-total-shoulder-arthroplasty
#9
REVIEW
Pierre-Henri Flurin, Martin Janout, Christopher P Roche, Thomas W Wright, Joseph Zuckerman
Loosening of the glenoid component is a frequent cause of failure of total shoulder arthroplasty (TSA). The etiology of glenoid component loosening is multifactorial and includes aseptic osteolysis, rotator cuff insufficiency, soft tissue instability, and infection. A loose glenoid component is frequently associated with a substantial loss of glenoid bone, which necessitates additional procedures to implant a new component. Several studies have shown that patients with a new glenoid component have better clinical outcomes, which makes successful glenoid reimplantation a priority...
2013: Bulletin of the Hospital for Joint Diseases
https://www.readbyqxmd.com/read/23333127/revision-of-total-shoulder-arthroplasty
#10
REVIEW
L Favard
In France, the number of revisions for total shoulder arthroplasty (TSA) has increased by 29% between 2006 and 2010. Published studies have reported a revision rate of approximately 11% for hemi-arthroplasty and total anatomical implants, and 10% for reversed implants. The decision to revise or not revise a TSA requires that a rigorous, clinical, laboratory and imaging initial assessment be done in order to answer five questions. Is it infected? Is it unstable? Is it worn? Is it loosened? How is the rotator cuff? This assessment and an evaluation of the bone stock are required to decide whether or not to revise...
February 2013: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/23224391/results-of-cemented-total-shoulder-replacement-with-a-minimum-follow-up-of-ten-years
#11
COMPARATIVE STUDY
Patric Raiss, Markus Schmitt, Thomas Bruckner, Philip Kasten, Guido Pape, Markus Loew, Felix Zeifang
BACKGROUND: The purpose of this study was to assess the clinical and radiographic long-term outcomes of patients treated with a third-generation cemented total shoulder replacement and followed for at least ten years. METHODS: The results of thirty-nine arthroplasties were analyzed clinically with use of the Constant score and on radiographs in two projections, with special regard to glenoid component loosening, at a mean of eleven years (range, ten to fifteen years) postoperatively...
December 5, 2012: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/23001615/anatomic-study-of-the-superior-glenoid-labrum
#12
Gregory I Bain, Ian J Galley, Charanjeet Singh, Chris Carter, Kevin Eng
The purpose of the study was to describe the normal anatomy of the glenoid labrum to help identification of pathology and guide surgical repair. Twenty dry bone scapulae and 19 cadaveric shoulders were examined. Light microscopy was performed on 12 radial slices through the glenoid. An external capsular circumferential ridge, 7-8 mm medial to the glenoid rim marks the attachment of the capsule. A separate internal labral circumferential ridge 4 mm central to the glenoid rim marks the interface between the labrum and articular cartilage...
April 2013: Clinical Anatomy
https://www.readbyqxmd.com/read/22971788/surface-replacement-of-the-humeral-head-in-the-rheumatoid-shoulder
#13
U Rydholm, J Sjögren
The clinical results obtained an average of 4.2 years after resurfacing of the humeral head in 72 rheumatoid shoulders showed 94% of the patients being pleased regarding pain relief and 82% reporting improved shoulder mobility. Shoulder function was significantly improved. The radiographs were analyzed regarding the position of the humeral head resurfacing cup, proximal migration of the humerus, and glenoid attrition during the follow-up period. Change of the distance between the superior margin of the cup and the greater tuberosity and/or change of inclination of the prosthesis were regarded as signs of prosthetic loosening...
November 1993: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/22787331/shoulder-function-and-pain-level-after-revision-of-failed-reverse-shoulder-replacement-to-hemiarthroplasty
#14
Seth C Gamradt, Jonathan Gelber, Alan L Zhang
BACKGROUND: The reverse total shoulder replacement has become a popular treatment option for cuff tear arthropathy and other shoulder conditions requiring arthroplasty in the setting of a deficient rotator cuff. Despite a revision rate of as much as 10%, to date, there are few reports of reverse replacement conversion to hemiarthroplasty, and none specifically examining shoulder function. MATERIALS AND METHODS: Six patients with a reverse replacement that was dislocated, infected or loose were revised an average of 9...
April 2012: International Journal of Shoulder Surgery
https://www.readbyqxmd.com/read/22128672/diagnostic-importance-of-mri-and-ct-scans-for-synovial-osteochondromatosis-of-the-temporomandibular-joint
#15
Altan Varol, Metin Sencimen, Aydin Gulses, Hasan Ayberk Altug, Asim Dumlu, Bulent Kurt
Since synovial chondromatosis (SC) clinically mimics symptoms of internal derangements of the TMJ, the diagnostic value of MRI and CT, overlooked for years, is discussed in the presented case. Multiple amorphous calcifications in the left infratemporal fossa and upper synovial compartment of the TMJ were detected on the CT and MRI scans. The patient underwent open TMJ arthrotomy and removal of 15 calcified loose bodies. SC may be diagnosed radiographically when sclerosis of the glenoid fossa, soft tissue edema, and intraarticular radio-opaque loose bodies are detected...
October 2011: Cranio: the Journal of Craniomandibular Practice
https://www.readbyqxmd.com/read/22109099/bone-remodelling-around-a-cementless-glenoid-component
#16
Daniel R Suárez, Harrie Weinans, Fred van Keulen
Post-operative change in the mechanical loading of bone may trigger its (mechanically induced) adaptation and hamper the mechanical stability of prostheses. This is especially important in cementless components, where the final fixation is achieved by the bone itself. The aim of this study is, first, to gain insight into the bone remodelling process around a cementless glenoid component, and second, to compare the possible bone adaptation when the implant is assumed to be fully bonded (best case scenario) or completely loose (worst case scenario)...
July 2012: Biomechanics and Modeling in Mechanobiology
https://www.readbyqxmd.com/read/21106400/long-term-results-and-patient-satisfaction-after-shoulder-resurfacing
#17
James W Pritchett
BACKGROUND: Shoulder resurfacing has regained popularity in recent years. This report presents the long-term (>20 years) results of this procedure with regard to patient satisfaction and implant survival. MATERIALS AND METHODS: We followed up 61 patients who underwent shoulder resurfacing procedures (74 shoulders) for a minimum of 20 years or until death (7 additional patients were lost to follow-up). The mean patient age at the time of surgery was 58 years. There were 41 total resurfacing procedures and 33 hemi-resurfacing procedures...
July 2011: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/21082166/arthroscopy-assisted-fracture-fixation
#18
REVIEW
Kivanc Atesok, M Nedim Doral, Terry Whipple, Gideon Mann, Omer Mei-Dan, O Ahmet Atay, Yiftah Beer, Joseph Lowe, Michael Soudry, Emil H Schemitsch
PURPOSE: the purpose of this article was to systematically analyze the results of published studies in the literature which evaluated the use of arthroscopically assisted techniques in intra-articular fracture fixation. METHODS: published investigations to date were analyzed by classifying them according to joints that were involved with intra-articular fractures including: knee, ankle, hip, shoulder, elbow, and wrist joints. The results were studied to assess the feasibility, efficiency, and outcomes of arthroscopy-assisted fracture fixation...
February 2011: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/20376896/the-spectrum-of-lesions-and-clinical-results-of-arthroscopic-stabilization-of-acute-anterior-shoulder-instability
#19
Doo Sup Kim, Yeo Seung Yoon, Sung Min Kwon
PURPOSE: The purpose of this study is to investigate and analyze accompanying lesions including injury types of anteroinferior labrum lesion in young and active patients who suffered traumatic anterior shoulder dislocation for the first time. MATERIALS AND METHODS: The study used magnetic resonance angiography (MRA) to 40 patients with acute anterior shoulder dislocation from April 2004 to April 2008, and of those, 36 with abnormal MRA finding were treated with arthroscopy...
May 2010: Yonsei Medical Journal
https://www.readbyqxmd.com/read/20232183/radiographic-stability-of-ingrowth-humeral-stems-in-total-shoulder-arthroplasty
#20
Thomas W Throckmorton, Peter C Zarkadas, John W Sperling, Robert H Cofield
BACKGROUND: Cemented and uncemented stem types are available for TSA. An early uncemented stem designed for bone ingrowth had radiographic loosening of approximately 10% at intermediate followup (mean 4.6 years). Subsequent stem modifications included circumferential metaphyseal porous coating to enhance ingrowth and reduce loosening rates. QUESTIONS/PURPOSES: We asked whether the radiographic loosening rates would be lower after this design modification and whether the pain score and ROM would be improved...
August 2010: Clinical Orthopaedics and related Research
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