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https://www.readbyqxmd.com/read/27904932/-the-reverse-shoulder-arthroplasty-delta-xtend-mid-term-results
#1
S Gruber, C Schoch, M Geyer
BACKGROUND: Reverse shoulder arthroplasty (RSA) has become a frequently used and established treatment for patients with cuff tear arthropathy, increasingly also for patients with fracture sequelae (FS), failed rotator cuff reconstruction and omarthrosis with cuff insufficiency. Since 2007 new generation prostheses, for example Delta Xtend (Depuy, Warsaw, USA), have been used, but few mid-term results have been published. OBJECTIVES: The aim of this study is to report on the outcome after RSA after a mean follow-up of 68 months (range 63-75), to verify the already published, encouraging early results and to learn about the function and pain situation after RSA in the mid-term period...
November 30, 2016: Der Orthopäde
https://www.readbyqxmd.com/read/26660499/hemiarthroplasty-for-proximal-humerus-fracture-and-consequences-of-a-comminuted-greater-tubercle-fragment
#2
S Hoel, T G Jensen, O Falster, A Ulstrup
BACKGROUND: A prerequisite for a satisfying functional result in the treatment of comminuted fractures of the proximal humerus with hemiarthroplasty is anatomical reduction, fixation and healing of the tuberculi around the prosthetic neck in order to restore normal function of the rotator cuff. PURPOSE: This was a retrospective study to examine the outcome after hemiarthroplasty using a prosthetic stem designed to optimise re-attachment and healing of the tuberculi (Aequalis; Tornier and Global Fx, DePuy)...
April 2016: Musculoskeletal Surgery
https://www.readbyqxmd.com/read/26631194/optimizing-deltoid-efficiency-with-reverse-shoulder-arthroplasty-using-a-novel-inset-center-of-rotation-glenosphere-design
#3
Christopher P Roche, Matthew A Hamilton, Phong Diep, Thomas W Wright, Pierre-Henri Flurin, Joseph D Zuckerman, Howard D Routman
INTRODUCTION: Paul Grammont's hemispherical gleno sphere concept medializes the center of rotation (CoR) to the glenoid face to increase deltoid abductor moment arms and improve muscle efficiency. Reducing glenosphere thickness to less than half its spherical radius further medializes the CoR and offers the potential for even greater improvements in efficiency. To that end, this study quantifies deltoid abducttor moment arms for six different rTSA prostheses during scapular abduction from 0° to 140°...
December 2015: Bulletin of the Hospital for Joint Diseases
https://www.readbyqxmd.com/read/26535197/rotator-cuff-arthropathy-what-functional-results-can-be-expected-from-reverse-arthroplasty
#4
Rodrigo Caldonazzo Fávaro, Michel Abdulahad, Salim Mussi Filho, Rafael Valério, Mauro José Superti
OBJECTIVE: To evaluate the functional results from reverse arthroplasty and its complications and relationships with types of injury. METHODS: Twenty-seven shoulders (26 women and one man) were treated. The patients were assessed using the UCLA functional scale. The implant used was the Delta Xtend Depuy(®) model. The injuries were classified using the Seebauer method for the degree of arthroplasty and the Nerot method for notching. RESULT: The mean age was 77...
September 2015: Revista Brasileira de Ortopedia
https://www.readbyqxmd.com/read/26258032/lateral-decubitus-all-arthroscopic-latarjet-procedure-for-treatment-of-shoulder-instability
#5
Matthew R Lewington, Nathan Urquhart, Ivan H Wong
Shoulder instability can be a challenging condition to treat when it becomes refractory to soft-tissue procedures or when bone loss exceeds 25% to 27% of the glenoid. The Bristow-Latarjet procedure has been developed and popularized to deal with these concerns. Traditionally, the procedure has been performed as an open approach; however, this has been recently supplanted by novel arthroscopic techniques. We present a technique for the procedure performed with the patient in a semi-lateral decubitus position that assists with optimal graft placement on the native glenoid...
June 2015: Arthroscopy Techniques
https://www.readbyqxmd.com/read/26005580/resection-of-an-occipital-cervical-junction-schwannoma-through-a-modified-minimally-invasive-approach-technical-note
#6
Michael Feldman, Kristopher T Kimmell, Robert E Replogle
BACKGROUND: Minimally invasive spine (MIS) techniques have been available for many years, but their application has been largely limited to degenerative spine diseases. There are few reports in the literature of using MIS techniques for removal of neoplasms. We report our experience using a modified MIS technique for removal of an occipital-cervical junction (OCJ) schwannoma with attention to technical aspects of this approach. CASE DESCRIPTION: A 64-year-old male presented with several months of neck pain radiating to the shoulder with bilateral hand numbness...
2015: Surgical Neurology International
https://www.readbyqxmd.com/read/25907640/reconstruction-techniques-in-comparison-for-reverse-shoulder-trauma-prosthesis-in-the-elderly-a-follow-up-between-2-and-4%C3%A2-years
#7
COMPARATIVE STUDY
Raffaele Russo, Fabio Cautiero, Alberto Fontanarosa, Giuseppe della Rotonda, Giuliana Valerio
INTRODUCTION: The aim of this study was to evaluate the clinical outcome of a bone graft technique called bCAT (bone Collar And Tie), in which the fractured humeral head is modelled into a collar shape versus puzzle piece reconstruction (PPR) in elderly patients with complex proximal humeral fractures. MATERIALS AND METHODS: Between 2005 and 2011, we have performed 46 reverse shoulder prosthesis in patients with a mean age of 73.8 years (range 69-95) affected by shoulder complex fracture...
July 2015: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/25367440/conversion-of-hemi-into-reverse-shoulder-arthroplasty-implant-design-limitations
#8
Hilmar Teschner, Urs-Vito Albrecht, Rupert Meller, Emmanouil Liodakis, Ulrich Wiebking, Christian Krettek, Michael Jagodzinski
PURPOSE: Cranial migration of shoulder hemiarthroplasties due to rotator cuff insufficiency typically requires conversion into a reverse total shoulder arthroplasty. This study was conducted to analyze differences between the height and offset of six implants designed to enable conversion of a hemiarthroplasty into a reverse system. METHODS: Anteroposterior radiographs of 40 shoulders were taken. An image analyzing software was used to simulate the implantation of the hemiprostheses...
December 2014: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/25258499/comparison-of-the-cheese-wiring-effects-among-three-sutures-used-in-rotator-cuff-repair
#9
Mark Lambrechts, Behrooz Nazari, Arash Dini, Michael J O'Brien, Wendell M R Heard, Felix H Savoie, Zongbing You
PURPOSE: The goal of this study was to compare the cheese-wiring effects of three sutures with different coefficients of friction. MATERIALS AND METHODS: Sixteen human cadaveric shoulders were dissected to expose the distal supraspinatus and infraspinatus muscle tendons. Three sutures were stitched through the tendons: #2 Orthocord(™) suture (reference #223114, DePuy Mitek, Inc., Raynham, MA), #2 ETHIBOND* EXCEL Suture, and #2 FiberWire(®) suture (FiberWire(®), Arthrex, Naples, FL)...
July 2014: International Journal of Shoulder Surgery
https://www.readbyqxmd.com/read/25220196/evaluation-of-periprosthetic-bone-mineral-density-and-postoperative-migration-of-humeral-head-resurfacing-implants-two-year-results-of-a-randomized-controlled-clinical-trial
#10
RANDOMIZED CONTROLLED TRIAL
Inger Mechlenburg, Thomas M Klebe, Kaj V Døssing, Anders Amstrup, Kjeld Søballe, Maiken Stilling
BACKGROUND: Implant migration, bone mineral density (BMD), length of glenohumeral offset (LGHO), and clinical results were compared for the Copeland (Biomet Inc, Warsaw, IN, USA) and the Global C.A.P. (DePuy Int, Warsaw, IN, USA) humeral head resurfacing implants (HHRIs). METHODS: The study randomly allocated 32 patients (13 women), mean age 63 years (range, 39-82 years), with shoulder osteoarthritis to a Copeland (n = 14) or Global C.A.P. (n = 18) HHRI. Patients were monitored for 2 years with radiostereometry, dual-energy X-ray absorptiometry, Constant Shoulder Score (CSS), and the Western Ontario Osteoarthritis of the Shoulder Index (WOOS)...
October 2014: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/25064758/an-analysis-of-technical-aspects-of-the-arthroscopic-bankart-procedure-as-performed-in-the-united-states
#11
Robert T Burks, Angela P Presson, Hsin-Yi Weng
PURPOSE: The purpose of this study was to investigate the intersurgeon variation in technical aspects of performing an arthroscopic Bankart repair. METHODS: A unique approach with experienced equipment representatives from 3 different arthroscopic companies was used. Experienced representatives were identified by DePuy Mitek, Smith & Nephew, and Arthrex and filled out questionnaires on how their surgeons performed arthroscopic Bankart procedures. This was performed in a blinded fashion with no knowledge of the identities of the specific surgeons or representatives by us...
October 2014: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/24360347/long-term-degradation-of-poly-lactic-co-glycolide-%C3%AE-tricalcium-phosphate-biocomposite-anchors-in-arthroscopic-bankart-repair-a-prospective-study
#12
Pietro Randelli, Riccardo Compagnoni, Alberto Aliprandi, Paola Maria Cannaò, Vincenza Ragone, Alberto Tassi, Paolo Cabitza
PURPOSE: To evaluate, using magnetic resonance (MR), the biological efficacy of anchors made of 30% β-tricalcium phosphate and 70% poly-lactic co-glycolide (PLGA) used for the repair of Bankart lesions after shoulder instability. METHODS: Twenty consecutive patients who were candidates for surgical treatment for unidirectional, post-traumatic shoulder instability were treated arthroscopically with anchors made of 70% PLGA plus 30% β-tricalcium phosphate preloaded with OrthoCord suture (DePuy Mitek, Raynham, MA)...
February 2014: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/24328578/comparison-of-bone-removed-with-reverse-total-shoulder-arthroplasty
#13
COMPARATIVE STUDY
Christopher P Roche, Phong Diep, Matthew A Hamilton, Pierre-Henri Flurin, Howard D Routman
INTRODUCTION: A computer model quantified glenoid base - plate surface contact area and the amount of humeral and glenoid bone removed by three different reverse shoulder prosthesis designs when implanted with various techniques. METHODS: The computer model quantified differences in glenoid baseplate contact area and the cortical and cancellous humeral and glenoid bone removed to implant the 36 mm Depuy Delta III, 32 mm neutral DJO RSP, and the 38 mm Exactech Equinoxe reverse shoulders when each was implanted along the inferior glenoid rim of a normal and 10 mm medially eroded scapula in 20° of humeral retroversion...
2013: Bulletin of the Hospital for Joint Diseases
https://www.readbyqxmd.com/read/24328574/reverse-shoulder-glenoid-loosening-an-evaluation-of-the-initial-fixation-associated-with-six-different-reverse-shoulder-designs
#14
Nick Stroud, Matthew J DiPaola, Pierre-Henri Flurin, Christopher P Roche
INTRODUCTION: This study quantified glenoid fixation before and after cyclic loading of six reverse shoulder prosthesis designs when secured to low and high density bone substitute blocks. METHODS: A displacement test quantified fixation of six reverse shoulder designs: 38 mm Equinoxe standard offset (EQ), 38 mm Equinoxe lateral offset (EQL), 36 mm Depuy Delta III (DRS), 36 mm Zimmer (ZRS), 32 mm DJO RSP (DJO), and a 36 mm Tornier BIO-RSA (BIO), secured to 0.24 and 0...
2013: Bulletin of the Hospital for Joint Diseases
https://www.readbyqxmd.com/read/24209681/the-degradation-outcome-of-biocomposite-suture-anchors-made-from-poly-l-lactide-co-glycolide-and-%C3%AE-tricalcium-phosphate
#15
F Alan Barber, W D Dockery, Courtney H Cowden
PURPOSE: The purpose of this study was to evaluate the long-term in vivo degradation of biocomposite suture anchors made of poly L-lactide-co-glycolide (PLLA/PGA) and β-tricalcium phosphate (β-TCP). METHODS: Starting in 2008, the in vivo biological behavior of a biocomposite suture anchor was studied in a consecutive series of rotator cuff tendon repairs. Twenty patients undergoing rotator cuff repair secured with biocomposite PLLA/PGA-β-TCP suture anchors with at least a 36-month follow-up were evaluated by physical, radiographic, and computed tomographic (CT) evaluations of the operated shoulder...
November 2013: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/24167401/thermal-damage-during-humeral-reaming-in-total-shoulder-resurfacing
#16
Philip A McCann, Partha P Sarangi, Richard P Baker, Ashley W Blom, Rouin Amirfeyz
INTRODUCTION: Total shoulder resurfacing (TSR) provides a reliable solution for the treatment of glenohumeral arthritis. It confers a number of advantages over traditional joint replacement with stemmed humeral components, in terms of bone preservation and improved joint kinematics. This study aimed to determine if humeral reaming instruments produce a thermal insult to subchondral bone during TSR. PATIENTS AND METHODS: This was tested in vivo on 13 patients (8 with rheumatoid arthritis and 5 with osteoarthritis) with a single reaming system and in vitro with three different humeral reaming systems on saw bone models...
July 2013: International Journal of Shoulder Surgery
https://www.readbyqxmd.com/read/23876607/risk-of-glove-perforation-with-arthroscopic-knot-tying-using-different-surgical-gloves-and-high-tensile-strength-sutures
#17
Adriana Martinez, Yung Han, Zeeshan M Sardar, Lorne Beckman, Thomas Steffen, Bruce S Miller, Paul A Martineau
PURPOSE: To examine the risk of glove tears associated with arthroscopic knot tying using 4 commonly used high-tensile strength sutures and 2 different types of gloves. METHODS: We analyzed 2 different surgical latex glove types (0.24-mm-thick powder-free and 0.32-mm-thick powdered) for perforation after arthroscopic knot tying with 4 different high-tensile strength sutures: Hi-Fi (ConMed Linvatec, Largo, FL), Ultrabraid (Smith & Nephew, Memphis, TN), FiberWire (Arthrex, Naples, FL), and Orthocord (DePuy Mitek, Raynham, MA)...
September 2013: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/23578366/cyclic-biomechanical-testing-of-biocomposite-lateral-row-knotless-anchors-in-a-human-cadaveric-model
#18
F Alan Barber, Eric D Bava, David B Spenciner, Justin Piccirillo
PURPOSE: The purpose of this study was to assess the mechanical performance of biocomposite knotless lateral row anchors based on both anchor design and the direction of pull. METHODS: Two lateral row greater tuberosity insertion sites (anterior and posterior) were identified in matched pairs of fresh-frozen human cadaveric shoulders DEXA (dual energy X-ray absorptiometry) scanned to verify comparability. The humeri were stripped of all soft tissue and 3 different biocomposite knotless lateral row anchors: HEALIX Knotless BR (DePuy Mitek, Raynham MA), BioComposite PushLock (Arthrex, Naples, FL), and Bio-SwiveLock (Arthrex)...
June 2013: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/23543043/duocentric%C3%A2-reversed-shoulder-prosthesis-and-personal-fit%C3%A2-templates-innovative-strategies-to-optimize-prosthesis-positioning-and-prevent-scapular-notching
#19
P Trouilloud, M Gonzalvez, P Martz, H Charles, F Handelberg, R W Nyffeler, E Baulot
We describe our experience with a new system of patient-specific template called Personal Fit(®), which is unique in shoulder surgery and used in combination with Duocentric(®) prosthesis. The reverse prosthesis's concept is the invention of Paul Grammont, developed with Grammont's team of Dijon University as from 1981, which led to the first reversed total shoulder prosthesis called Trumpet in 1985. The Duocentric(®) prosthesis developed in 2001 is the third-generation prosthesis, coming from the Trumpet and the second-generation prosthesis Delta(®) (DePuy)...
May 2014: European Journal of Orthopaedic Surgery & Traumatology: Orthopédie Traumatologie
https://www.readbyqxmd.com/read/23412251/ct-scan-evaluation-of-glenoid-component-fixation-a-prospective-study-of-27-minimally-cemented-shoulder-arthroplasties
#20
A Vidil, Ph Valenti, F Guichoux, J H Barthas
BACKGROUND: Glenoid component failure is the most common complication of total shoulder arthroplasty. It can be correlated with failure of the component itself to resist wear and deformation, failure of fixation or failure of the glenoid bone. Anchor Peg Glenoid component (Depuy®) seems to have a higher bone fixation in biomechanical canine model: it is a all-polyethylene, concave component with one circumferentially fluted, central, interference-fit peg and three small cemented peripheral pegs...
July 2013: European Journal of Orthopaedic Surgery & Traumatology: Orthopédie Traumatologie
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