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Total shoulder arthroplasty

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https://www.readbyqxmd.com/read/28730988/radiostereometric-analysis-of-keeled-versus-pegged-glenoid-components-in-total-shoulder-arthroplasty-a-randomized-feasibility-study
#1
Trevor C Gascoyne, Sheila M B McRae, Sara L Parashin, Jeff R S Leiter, Martin J Petrak, Eric R Bohm, Peter B MacDonald
BACKGROUND: This study aimed to assess differences in the fixation and functional outcomes between pegged and keeled all-polyethylene glenoid components for standard total shoulder arthroplasty. METHODS: Patients were randomized to receive a keeled or pegged all-polyethylene glenoid component. We used model-based radiostereometric analysis (RSA) to assess glenoid fixation and subjective outcome measures to assess patient function. Follow-up examinations were completed at 6 weeks and 6, 12 and 24 months after surgery...
August 2017: Canadian Journal of Surgery. Journal Canadien de Chirurgie
https://www.readbyqxmd.com/read/28719752/return-to-sport-after-shoulder-arthroplasty-in-recreational-athletes-a-systematic-review-and-meta-analysis
#2
Florence Aim, Jean-David Werthel, Julien Deranlot, Marie Vigan, Geoffroy Nourissat
BACKGROUND: One of the most frequent demands from patients after shoulder replacement surgery is to return to sport. PURPOSE: To determine the rate of return to sport after shoulder arthroplasty (total shoulder arthroplasty, reverse shoulder arthroplasty, hemiarthroplasty) in recreational athletes. STUDY DESIGN: Meta-analysis and systematic review. METHODS: The PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-Analyses) guidelines were followed to perform this systematic review and meta-analysis of the results in the literature as well as the presentation of results...
July 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28711169/the-risk-of-suprascapular-and-axillary-nerve-injury-in-reverse-total-shoulder-arthroplasty-an-anatomic-study
#3
Tim Leschinger, Michael Hackl, Eduard Buess, Sebastian Lappen, Martin Scaal, Lars Peter Müller, Kilian Wegmann
PURPOSE: Implantation of a reverse total shoulder arthroplasty (rTSA) places the axillary and suprascapular nerves at risk. The aim of this anatomic study was to digitally analyse the location of these nerves in relation to bony landmarks in order to predict their path and thereby help to reduce the risk of neurological complications during the procedure. METHODS: A total of 22 human cadaveric shoulder specimens were used in this study. The axillary and suprascapular nerves were dissected, and radiopaque threads were sutured onto the nerves without mobilizing the nerves from their native paths...
June 28, 2017: Injury
https://www.readbyqxmd.com/read/28711157/ma%C3%A3-a-trapeziometacarpal-joint-arthroplasty-clinical%C3%A2-and-radiological-outcomes-of-80-patients-with%C3%A2-more-than-6-years-of-follow-up
#4
Adriano Toffoli, Jacques Teissier
PURPOSE: Trapeziometacarpal (TMC) total joint replacement is increasingly being performed in Europe. MAÏA TMC total joint arthroplasty is a modular uncemented ball-and-socket hydroxyapatite-coated implant. This study assessed the midterm clinical and radiological results of the MAÏA TMC prosthesis. METHODS: This single-center retrospective study involved 80 patients who underwent 96 MAÏA TMC prosthesis implantations from February 2006 to April 2009, and who had a minimum of 5 years' follow-up...
July 13, 2017: Journal of Hand Surgery
https://www.readbyqxmd.com/read/28706796/arthroscopic-removal-of-a-loose-polyethylene-glenoid-component-with-bone-grafting-and-patch-augmentation-for-glenoid-osseous-defect
#5
Jeffrey T Abildgaard, Jared C Bentley, Richard J Hawkins, John M Tokish
Glenoid component loosening is a common cause of failed total shoulder arthroplasty. Many different treatment options exist for the management of a symptomatic loose polyethylene glenoid component, ranging from component removal to revision arthroplasty. Arthroscopic removal and conversion to hemiarthroplasty provides a minimally invasive management option that avoids takedown of the subscapularis and allows for humeral prosthesis retention. Frequently, however, osteolysis is encountered concomitantly leading to cavitary glenoid bone deficits at the time of glenoid implant removal, limiting both immediate and future treatment options...
June 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28705693/erratum-to-clinical-outcome-of-reverse-total-shoulder-arthroplasty-combined-with-latissimus-dorsi-transfer-for-the-treatment-of-chronic-combined-pseudoparesis-of-elevation-and-external-rotation-of-the-shoulder-j-shoulder-elbow-surg-2014-23-49-57
#6
https://www.readbyqxmd.com/read/28702700/clinical-and-radiological-outcomes-after-reverse-shoulder-arthroplasty-with-less-medialized-endoprosthesis-after-mean-follow-up-time-of-45%C3%A2-months
#7
Justinas Jonušas, Rūta Banytė, Sigitas Ryliškis
INTRODUCTION: The purpose of this study was to evaluate outcomes after reverse shoulder arthroplasty for the treatment of complex three- and four-fragment proximal humeral fractures after mean follow-up time of 45 months and to compare our results with the results published by other authors. MATERIALS AND METHODS: Retrospectively we have analyzed 27 consecutive patients after total arthroplasty with less medialized reverse shoulder prosthesis used for the treatment of complex proximal humeral fracture...
July 12, 2017: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/28699404/improved-external-rotation-with-concomitant-reverse-total-shoulder-arthroplasty-and-latissimus-dorsi-tendon-transfer-a-systematic-review
#8
Aaron Wey, John C Dunn, Nicholas Kusnezov, Brian R Waterman, Kelly G Kilcoyne
BACKGROUND: In conjunction with reverse total shoulder arthroplasty (RSA), latissimus dorsi and teres major (LD-TM) transfer has been advocated in the setting of combined loss of elevation and external rotation. The purpose of this systematic review is to summarize the clinical outcomes following RSA with LD-TM transfer. METHODS: A search of PubMed, EMBASE, CINAHL, Medline, and Cochrane databases was performed between January 1, 1990 and March 1, 2016 and included articles related to outcomes following RSA with LD-TM transfer...
May 2017: Journal of Orthopaedic Surgery
https://www.readbyqxmd.com/read/28699147/what-are-the-complications-survival-and-outcomes-after-revision-to-reverse-shoulder-arthroplasty-in-patients-older-than-80-years
#9
Eduard Alentorn-Geli, Nicholas J Clark, Andrew T Assenmacher, Brian T Samuelsen, Joaquín Sánchez-Sotelo, Robert H Cofield, John W Sperling
BACKGROUND: By the time patients with a failed shoulder arthroplasty require revision surgery, a substantial number are older than 80 years. The risk of complications of revision arthroplasty in this elderly population is largely unknown and needs to be considered when contemplating whether these patients are too frail for revision surgery. QUESTIONS/PURPOSES: (1) What are the 90-day medical and surgical complications after revision to reverse shoulder arthroplasty (RSA) in patients older than 80 years? (2) What are the 2- and 5-year survival rates after revision? (3) Was there an improvement in pain at rest or with activity, range of motion (ROM), and strength after revision surgery? METHODS: Between 2004 and 2013, 38 patients who were older than 80 years (84 ± 3 years) underwent revision surgery to a RSA...
July 11, 2017: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/28690466/propionibacterium-acnes-host-inflammatory-response-during-periprosthetic-infection-is-joint-specific
#10
Scott R Nodzo, K Keely Boyle, Samrath Bhimani, Thomas R Duquin, Andy O Miller, Geoffrey H Westrich
BACKGROUND: Propionibacterium acnes (P. acnes) has become increasingly recognized as a cause of periprosthetic joint infection (PJI). QUESTIONS/PURPOSES: It is not currently known if the clinical presentation of P. acnes varies depending on the joint being infected. METHODS: We retrospectively reviewed patients infected with P. acnes after total hip, knee, and shoulder arthroplasty from two institutions. Patients were classified as having a PJI based on the Musculoskeletal Infection Society criteria and were excluded if they had a polymicrobial culture...
July 2017: HSS Journal: the Musculoskeletal Journal of Hospital for Special Surgery
https://www.readbyqxmd.com/read/28690459/functional-outcomes-of-modular-conversion-of-hemiarthroplasty-or-total-to-reverse-total-shoulder-arthroplasty
#11
Phillip N Williams, Samir K Trehan, Nicholas Tsouris, Joshua S Dines, David M Dines, Edward V Craig, Lawrence V Gulotta, Russell F Warren
BACKGROUND: The advent of modular shoulder arthroplasty systems has allowed the conversion of hemiarthroplasty or total shoulder arthroplasty to reverse total shoulder arthroplasty (RTSA) without removing a well-fixed stem. QUESTIONS/PURPOSES: To determine the feasibility, functional outcome, and complication profile of RTSA modular conversion. METHODS: A prospective shoulder arthroplasty registry was queried for consecutive patients scheduled for a modular conversion from January 1, 2007, to April 1, 2015...
July 2017: HSS Journal: the Musculoskeletal Journal of Hospital for Special Surgery
https://www.readbyqxmd.com/read/28689929/serum-c-reactive-protein-in-patients-undergoing-elective-shoulder-arthroplasty-prospective-study
#12
Carlos Torrens, Fernando Santana, Raquel Marí, Lluis Puig, Albert Alier
BACKGROUND: The objective of the study was to determine the normalization curve of the serum C-reactive protein (CRP) in elective shoulder arthroplasty. METHODS: A prospective study including 58 consecutive patients who had undergone elective shoulder arthroplasty. Forty-one patients had received a Reverse Shoulder Arthroplasty, 13 a Total Shoulder Arthroplasty and 4 a Hemiarthroplasty. Based on a pilot study, blood samples to determine CRP values were obtained at baseline (1 h before surgery), on the 1st, 2nd, 6th, 8th and 14th postoperative days...
July 7, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28689829/polyethylene-dissociation-from-humeral-stem-status-after-reverse-total-shoulder-arthroplasty
#13
Karan A Patel, Kara L Boyd, Kevin J Renfree, Steven J Hattrup
BACKGROUND: Reverse shoulder arthroplasty (RSA) is an important treatment option for 4-part proximal humerus fractures in the elderly and arthrosis of the glenohumeral joint with incompetence of the rotator cuff. Unique complications do occur with use of this type of prosthesis. METHODS: We present 4 cases of polyethylene dissociation after RSA. RESULTS: In a series of 549 patients who underwent RSA, the incidence of polyethylene dissociation was found to be 0...
July 6, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28689828/influence-of-humeral-head-material-on-wear-performance-in-anatomic-shoulder-joint-arthroplasty
#14
Ulrike Mueller, Steffen Braun, Stefan Schroeder, Mark Schroeder, Robert Sonntag, Sebastian Jaeger, Jan Philippe Kretzer
BACKGROUND: The number of total shoulder arthroplasties has increased in the past years, with encouraging results. However, the survival of anatomic total shoulder arthroplasty (aTSA) is lower compared with that of knee and hip replacements. Wear-associated problems like loosening are well-known causes of long-term failure of aTSA. The main purpose of this study was to investigate the wear behavior of ceramic-polyethylene bearings compared with the standard metal-polyethylene bearings...
July 6, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28689825/biomechanical-analysis-of-anterior-bone-graft-augmentation-with-reversed-shoulder-arthroplasty-in-large-combined-glenoid-defects-compared-with-total-bony-joint-line-reconstruction-modified-bony-increased-offset-reversed-shoulder-arthroplasty
#15
Matthias Königshausen, Nina Sverdlova, Corinna Mersmann, Christoph Ehlert, Birger Jettkant, Rolf Dermietzel, Thomas Armin Schildhauer, Dominik Seybold
BACKGROUND: The aim of this biomechanical study was to compare 2 surgical techniques for the reconstruction of large, combined, uncontained glenoid defects with reversed shoulder arthroplasty (RSA). METHODS: Three groups of scapulae with RSA were tested by the application of a physiological combination of compressive/shear loads in Sawbones (Pacific Research Laboratories, Inc., Vashon Island, WA, USA) and cadavers. Two of the groups (both Sawbones and cadaveric specimens) consisted of anterior combined defects (14 mm in depth), and the third group served as a control group (only Sawbones specimens)...
July 6, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28689820/reverse-total-shoulder-glenoid-baseplate-stability-with-superior-glenoid-bone-loss
#16
Elise J Martin, Thomas R Duquin, Mark T Ehrensberger
BACKGROUND: Superior wear of the glenoid bone is common in patients with rotator cuff arthropathy. This can become a treatment challenge for patients who require shoulder arthroplasty. In reverse shoulder arthroplasty (RSA), glenoid bone loss may affect the stability of baseplate fixation. The primary purpose of this biomechanical laboratory study was to assess the initial fixation stability of RSA glenosphere baseplates in the presence of variable amounts of superior glenoid bone loss...
July 6, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28689309/the-influence-of-gender-on-early-adverse-events-hospital-charges-and-length-of-stay-after-shoulder-arthroplasty
#17
Bryan M Saltzman, Bryce Basques, Timothy Leroux, Rachel M Frank, Gregory P Nicholson, Nikhil N Verma, Anthony A Romeo
PURPOSE: To identify differences in demographics, diagnosis, arthroplasty type, early adverse events, length of stay, and hospital costs between men and women undergoing shoulder arthroplasty. METHODS: We used a nationally representative U.S. population database to determine annual rates of shoulder arthroplasty (SA) in patients (2002-2011). Early adverse events, length-of-stay and hospitalization costs were determined, and compared between patient genders. RESULTS: A cohort of 372,753 patients underwent total-SA (TSA) (59...
July 9, 2017: International Orthopaedics
https://www.readbyqxmd.com/read/28688934/humeral-bone-resorption-after-anatomic-shoulder-arthroplasty-using-an-uncemented-stem
#18
Kazuya Inoue, Naoki Suenaga, Naomi Oizumi, Hiroshi Yamaguchi, Naoki Miyoshi, Noboru Taniguchi, Mitsuru Munemoto, Takuya Egawa, Yasuhito Tanaka
BACKGROUND: Bone resorption around the femoral stem after total hip arthroplasty is a well-known phenomenon. However, only a few studies have evaluated bone resorption after shoulder arthroplasty. This study investigated the prevalence of humeral bone resorption after different shoulder arthroplasty procedures. METHODS: The study included 147 shoulders that underwent total shoulder arthroplasty (TSA) or humeral head replacement (HHR) with an uncemented humeral stem from November 2008 to May 2015 and were monitored for more than 1 year...
July 5, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28682872/liposomal-bupivacaine-versus-interscalene-nerve-block-for-pain-control-after-shoulder-arthroplasty-a-meta-analysis
#19
Zeng Yan, Zong Chen, Chuangen Ma
BACKGROUND: Postoperative pain control after total shoulder arthroplasty (TSA) can be challenging. Liposomal bupivacaine and interscalene nerve block are 2 common pain control protocol for TSA patients. However, whether liposomal bupivacaine was superior than interscalene nerve block was unknown. This meta-analysis aimed to illustrate the efficacy liposomal bupivacaine versus interscalene nerve block for pain control in patients undergoing TSA. METHODS: In May 2017, a systematic computer-based search was conducted in PubMed, EMBASE, Web of Science, Cochrane Database of Systematic Reviews, and Google database...
July 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28681354/does-postoperative-glenoid-retroversion-affect-the-2-year-clinical-and-radiographic-outcomes-for-total-shoulder-arthroplasty
#20
Benjamin C Service, Jason E Hsu, Jeremy S Somerson, Stacy M Russ, Frederick A Matsen
BACKGROUND: While glenoid retroversion and posterior humeral head decentering are common preoperative features of severely arthritic glenohumeral joints, the relationship of postoperative glenoid component retroversion to the clinical results of total shoulder arthroplasty (TSA) is unclear. Studies have indicated concern for inferior outcomes when glenoid components are inserted in 15° or more retroversion. QUESTIONS/PURPOSES: In a population of patients undergoing TSA in whom no specific efforts were made to change the version of the glenoid, we asked whether at 2 years after surgery patients having glenoid components implanted in 15° or greater retroversion had (1) less improvement in the Simple Shoulder Test (SST) score and lower SST scores; (2) higher percentages of central peg lucency, higher Lazarus radiolucency grades, higher mean percentages of posterior decentering, and more frequent central peg perforation; or (3) a greater percentage having revision for glenoid component failure compared with patients with glenoid components implanted in less than 15° retroversion...
July 5, 2017: Clinical Orthopaedics and related Research
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