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Reverse arthroplasty

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https://www.readbyqxmd.com/read/28528016/the-influence-of-humeral-neck-shaft-angle-and-glenoid-lateralization-on-range-of-motion-in-reverse-shoulder-arthroplasty
#1
Birgit S Werner, Jean Chaoui, Gilles Walch
BACKGROUND: Recent developments in reverse shoulder arthroplasty (RSA) have focused on changes in several design-related parameters, including humeral component design, to allow for easier convertibility. Alterations in humeral inclination and offset on shoulder kinematics may have a relevant influence on postoperative outcome. This study used a virtual computer simulation to evaluate the influence of humeral neck shaft angle and glenoid lateralization on range of motion in onlay design RSA...
May 17, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28526423/pseudoparalysis-a-systematic-review-of-term-definitions-treatment-approaches-and-outcomes-of-management-techniques
#2
REVIEW
John M Tokish, Thomas C Alexander, Michael J Kissenberth, Richard J Hawkins
BACKGROUND: Pseudoparalysis remains one of the most challenging conditions in shoulder surgery. Long thought of as an unsolvable problem, recent advances in surgical techniques offer potential return of overhead motion in the setting of massive irreparable rotator cuff tears. This article summarizes the available literature including existing definitions and the results of different treatment approaches regarding range of motion, outcome scores, and reversal. METHODS: In accordance with Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines, a systematic review of the MEDLINE database, Cochrane database, Physiotherapy Evidence Database, and Google Scholar database was performed for studies that defined a preoperative shoulder group as having pseudoparalysis...
June 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28514491/3d-image-based-morphometric-analysis-of-the-scapular-neck-length-in-subjects-undergoing-reverse-shoulder-arthroplasty
#3
P Simon, M Diaz, M Cusick, B Santoni, M Frankle
INTRODUCTION: Scapular notching after RSA may, in part, be related to a patient's scapular morphology. The purpose of this study was to develop a novel 3D measurement technique to describe infraglenoid tubercle morphometry. We hypothesize that the parameters describing infraglenoid tubercle would be normally distributed and would correlate with individual's demographics and glenoid morphometry. MATERIALS AND METHODS: A group of 110 subjects treated with RSA were evaluated...
May 17, 2017: Clinical Anatomy
https://www.readbyqxmd.com/read/28507783/periprosthetic-shoulder-infection-an-overview
#4
REVIEW
Nicolas Bonnevialle, Florence Dauzères, Julien Toulemonde, Fanny Elia, Jean-Michel Laffosse, Pierre Mansat
Periprosthetic shoulder infection (PSI) is rare but potentially devastating. The rate of PSI is increased in cases of revision procedures, reverse shoulder implants and co-morbidities. One specific type of PSI is the occurrence of low-grade infections caused by non-suppurative bacteria such as Propionibacterium acnes or Staphylococcus epidemermidis.Success of treatment depends on micro-organism identification, appropriate surgical procedures and antibiotic administration efficiency. Post-operative early PSI can be treated with simple debridement, while chronic PSI requires a one- or two-stage revision procedure...
April 2017: EFORT Open Rev
https://www.readbyqxmd.com/read/28504808/outcome-of-reverse-shoulder-arthroplasty-for-patients-with-parkinson-s-disease-a-matched-cohort-study
#5
Michael C Cusick, Randall J Otto, Rachel E Clark, Mark A Frankle
Parkinson's disease (PD) is a progressive neurologic disorder that affects the musculoskeletal system. Currently, the use of reverse shoulder arthroplasty (RSA) for patients with PD has not been adequately studied. The authors sought to determine if RSA provided similar functional outcomes for patients with PD compared with a matched cohort of patients without PD. Between 2004 and 2011, 10 patients with PD (4 men, 6 women) underwent RSA. Patients with PD were matched to patients without PD at a 1:4 ratio based on age (average, 76 years; range, 63-85 years), sex (16 men, 24 women), preoperative diagnosis, and length of follow-up (average, 43 months; range, 24-128 months)...
May 15, 2017: Orthopedics
https://www.readbyqxmd.com/read/28497453/trends-in-total-hip-arthroplasty-in-young-patients-results-from-a-regional-register
#6
Amit Kumar, Benjamin V Bloch, Colin Esler
INTRODUCTION: In the United Kingdom, over 83,000 primary total hip arthroplasties (THAs) were performed last year, of which 20% are in patients under the age of 60 years. These patients generally have a longer life expectancy and a higher activity level than an older cohort, which may potentially translate to higher revision rates. METHODS: We reviewed our Trent regional arthroplasty register to assess current surgical practice in younger patients undergoing total hip arthroplasty...
May 10, 2017: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
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/28483432/reverse-shoulder-arthroplasty-in-patients-with-os-acromiale
#8
William R Aibinder, Bradley S Schoch, Robert H Cofield, John W Sperling, Joaquin Sánchez-Sotelo
BACKGROUND: Os acromiale has been reported in up to 15% of the general population. Reverse total shoulder arthroplasty (RTSA) increases deltoid tension, which could potentially lead to excessive stress on a pre-existent os acromiale. The purpose of this study was to determine the outcome and complications of primary RTSA in patients with radiographic evidence of an os acromiale. METHODS: Between 2005 and 2013, 25 shoulders underwent primary RTSA with an associated os acromiale, which was classified preacromion (3), mesoacromion (20), and meta-acromion (2)...
May 5, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28463917/conversion-to-reverse-total-shoulder-arthroplasty-with-and-without-humeral-stem-retention-the-role-of-a-convertible-platform-stem
#9
Lynn A Crosby, Thomas W Wright, Stephen Yu, Joseph D Zuckerman
BACKGROUND: Revision shoulder arthroplasty is a technically challenging procedure. It is associated with increased blood loss and operative time, and it frequently necessitates revision implants, augments, and bone-grafting. Shoulder arthroplasty systems with a convertible-platform humeral stem have been developed to reduce the complexity of revision procedures by eliminating the need for humeral component explantation when converting from anatomic shoulder arthroplasty (hemiarthroplasty or total shoulder arthroplasty) to reverse total shoulder arthroplasty (rTSA)...
May 3, 2017: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/28461965/total-knee-arthroplasty-and-infection-how-surgeons-can-reduce-the-risks
#10
REVIEW
Nicola Ratto, Chiara Arrigoni, Federica Rosso, Matteo Bruzzone, Federico Dettoni, Davide Edoardo Bonasia, Roberto Rossi
Total joint arthroplasty (TJA) is one of the most common orthopaedic procedures. Nevertheless, several complications can lead to implant failure.Peri-prosthetic joint infections (PJI) certainly represent a significant challenge in TJA, constituting a major cause of prosthetic revision. The surgeon may have an important role in reducing the PJI rate by limiting the impact of significant risk factors associated to either the patient, the operative environment or the post-operative care.In the pre-operative period, several preventive measures may be adopted to manage reversible medical comorbidities...
September 2016: EFORT Open Rev
https://www.readbyqxmd.com/read/28459709/the-humeral-implant-in-shoulder-arthroplasty
#11
Jay D Keener, Peter Nissen Chalmers, Ken Yamaguchi
Humeral hemiarthroplasty, anatomic total shoulder arthroplasty, and reverse total shoulder arthroplasty all rely on a prosthetic articular surface fixed to the proximal humerus. Humeral implant designs have changed considerably as a result of improved understanding of proximal humeral anatomy and prosthetic biomechanics. Fixed, monoblock implants have been superseded by modular implants with variable inclination, offset, version, and stem length. Press-fit designs now commonly have surface coatings that allow bony ingrowth...
June 2017: Journal of the American Academy of Orthopaedic Surgeons
https://www.readbyqxmd.com/read/28459423/multivariate-analysis-of-blood-transfusion-rates-after-shoulder-arthroplasty
#12
Joseph J King, Matthew R Patrick, Ryan E Schnetzer, Kevin W Farmer, Aimee M Struk, Cyndi Garvan, Thomas W Wright
A retrospective review was performed of all shoulder arthroplasties with patients grouped on the basis of transfusion protocol time period. Group 1 had transfusions if postoperative hematocrit was <30. Group 2 had transfusions based on symptomatic anemia. Bivariate analysis of transfusion factors and multivariate analysis of significant bivariate factors were performed. Protocol change decreased transfusion rates from 16% (group 1, 153 arthroplasties) to 8% (group 2, 149 arthroplasties). Reverse shoulder arthroplasty (RTSA) transfusion rate decreased dramatically (from 24% to 5%)...
2017: Journal of Surgical Orthopaedic Advances
https://www.readbyqxmd.com/read/28450100/effect-of-radial-head-implant-shape-on-radiocapitellar-joint-congruency
#13
Emily A Lalone, Hannah L Shannon, Simon R Deluce, Joshua W Giles, Graham J W King, James A Johnson
PURPOSE: Radial head arthroplasty is indicated in displaced fractures in which comminution precludes successful internal fixation. Many types of radial head implants have been developed varying in material, methods of fixation, and degrees of modularity and geometry. The purpose of this study was to investigate the effect of radial head implant shape on radiocapitellar joint congruency. METHODS: Joint congruency was quantified in 7 cadaveric specimens employing a registration and inter-surface distance algorithm and 3-dimensional models obtained using computed tomography...
April 25, 2017: Journal of Hand Surgery
https://www.readbyqxmd.com/read/28448204/future-research-opportunities-in-peri-prosthetic-joint-infection-prevention
#14
Elie Berbari, John Segreti, Javad Parvizi, Sandra I Berríos-Torres
Peri-prosthetic joint infection (PJI) is a serious complication of prosthetic joint arthroplasty. A better understanding and reversal of modifiable risk factors may lead to a reduction in the incidence of incisional (superficial and deep) and organ/space (e.g., PJI) surgical site infections (SSI). Recently, the Centers for Disease Control and Prevention (CDC) and the Healthcare Infection Control Practices Advisory Committee (HICPAC) published the Guideline for Prevention of Surgical Site Infection. This targeted update applies evidence-based methodology in drafting recommendations for potential strategies to reduce the risk of SSI both across surgical procedures and specifically in prosthetic joint arthroplasty...
April 27, 2017: Surgical Infections
https://www.readbyqxmd.com/read/28444541/reverse-shoulder-arthroplasty-for-massive-irreparable-rotator-cuff-tears-and-cuff-tear-arthropathy-a-systematic-review
#15
REVIEW
S Petrillo, U G Longo, R Papalia, V Denaro
PURPOSE: To report the outcomes and complications of reverse shoulder arthroplasty (RSA) in massive irreparable rotator cuff tears (MIRCT) and cuff tear arthropathy (CTA). METHODS: A systematic review of the literature contained in Medline, Cochrane, EMBASE, Google Scholar and Ovid databases was conducted on May 1, 2016, according to PRISMA guidelines. The key words "reverse total shoulder arthroplasty" or "reverse total shoulder prostheses" with "rotator cuff tears"; "failed rotator cuff surgery"; "massive rotator cuff tears"; "irreparable rotator cuff tears"; "cuff tear arthropathy"; "outcomes"; "complications" were matched...
April 25, 2017: Musculoskeletal Surgery
https://www.readbyqxmd.com/read/28433759/reverse-shoulder-arthroplasty-combined-with-latissimus-dorsi-transfer-a-systemic-review
#16
REVIEW
Reinhold Ortmaier, Wolfgang Hitzl, Nicholas Matis, Georg Mattiassich, Josef Hochreiter, Herbert Resch
PURPOSE: Reverse shoulder arthroplasty(RSA) combined with latissimusdorsi transfer (LDT) is described for patients with cuff arthropathy and a combined loss of abduction and external rotation. The purpose of this systemic review was to present clinical and radiological outcomes following RSA combined with LDT. MATERIALS AND METHODS: A comprehensive literature review was performed to identify studies reporting clinical andradiological results of RSA combined with LDT...
April 19, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28430721/outcomes-of-reverse-total-shoulder-arthroplasty-for-proximal-humeral-fractures-primary-arthroplasty-versus-secondary-arthroplasty-following-failed-proximal-humeral-locking-plate-fixation
#17
Emilio Sebastia-Forcada, Alejandro Lizaur-Utrilla, Román Cebrian-Gomez, Francisco A Miralles-Muñoz, Fernando A Lopez-Prats
OBJECTIVE: To compare the outcomes of reverse shoulder arthroplasty (RSA) between patients with failed proximal humeral locking plate (PHLP) fixation and those with acute fractures. DESIGN: Matched case-control study. SETTING: University hospital, level I trauma center. PATIENTS: 30 consecutive patients with fracture sequelae due to failed PHLP fixation (mean age 73) were age- and gender-matched to 30 patients with acute fracture (mean age 75)...
April 6, 2017: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/28418573/trends-in-surgical-management-and-costs-for-operative-treatment-of-proximal-humerus-fractures-in-the-elderly
#18
Eddie K Hasty, Edward W Jernigan, Adrianne Soo, Dax T Varkey, Ganesh V Kamath
Proximal humerus fractures in the elderly are increasing in frequency as the population ages. The purpose of this study was to investigate surgical and cost trends in the Medicare population. The PearlDiver database was queried using diagnosis codes to identify Medicare recipients with proximal humerus fractures from 2005 to 2012. Surgical trends, demographics, and charge/reimbursement data were analyzed. There were 750,426 proximal humerus fractures in Medicare recipients during the 8-year period. Eighty-five percent of the fractures were treated nonoperatively; however, the percentage of operative vs nonoperative management increased significantly over time for all fractures, isolated fractures, and fracture dislocations...
April 18, 2017: Orthopedics
https://www.readbyqxmd.com/read/28412103/reverse-shoulder-arthroplasty-compared-with-hemiarthroplasty-in-the-treatment-of-acute-proximal-humeral-fractures
#19
Michael van der Merwe, Matthew J Boyle, Christopher M A Frampton, Craig M Ball
BACKGROUND: Complex proximal humeral fractures may require prosthetic replacement of the humeral head. Surgical options include reverse shoulder arthroplasty (RSA) and shoulder hemiarthroplasty; however, the optimal technique remains controversial. The goal of this study was to compare functional outcomes and revision rates of RSA with hemiarthroplasty in patients with acute proximal humeral fractures. MATERIALS AND METHODS: Between January 1, 1999, and December 31, 2014, there were 218 patients who underwent RSA and 427 who underwent hemiarthroplasty for acute proximal humeral fractures identified through New Zealand Joint Registry records...
April 12, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28409200/return-to-sport-after-shoulder-arthroplasty-a-systematic-review-and-meta-analysis
#20
Joseph N Liu, Michael E Steinhaus, Grant H Garcia, Brenda Chang, Kara Fields, David M Dines, Russell F Warren, Lawrence V Gulotta
PURPOSE: With increasing incidence and indications for shoulder arthroplasty, there is an increasing emphasis on the ability to return to sports. The main goal of this study was to determine the rate of return to sport after shoulder arthroplasty. METHODS: The Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines were followed to perform this systematic review and meta-analysis. A search was performed on MEDLINE, Scopus, EMBASE, and the Cochrane Library...
April 13, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
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