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Total shoulder arthroplasty

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https://www.readbyqxmd.com/read/28217660/reverse-total-shoulder-arthroplasty-research-models
#1
Stefano Petrillo, Umile Giuseppe Longo, Lawrence V Gulotta, Alessandra Berton, Andreas Kontaxis, Timothy Wright, Vincenzo Denaro
PURPOSE: the past decade has seen a considerable increase in the use of research models to study reverse total shoulder arthroplasty (RTSA). Nevertheless, none of these models has been shown to completely reflect real in vivo conditions. METHODS: we performed a systematic review of the literature matching the following key words: "reverse total shoulder arthroplasty" or "reverse total shoulder replacement" or "reverse total shoulder prosthesis" and "research models" or "biomechanical models" or "physical simulators" or "virtual simulators"...
October 2016: Joints
https://www.readbyqxmd.com/read/28214173/pyrocarbon-interposition-shoulder-arthroplasty-preliminary-results-from-a-prospective-multicenter-study-at-2-years-of-follow-up
#2
Jérôme Garret, Arnaud Godeneche, Pascal Boileau, Daniel Molé, Mikael Etzner, Luc Favard, Christophe Levigne, François Sirveaux, Marc-Olivier Gauci, Charles Dezaly, Gilles Walch
BACKGROUND: The concept of free interposition arthroplasty proved successful for small joints of the hand, wrist, and foot, particularly after the use of implants coated with pyrocarbon, which enhanced their tribologic and elastic properties. The present study reports preliminary outcomes of a pyrocarbon-coated interposition shoulder arthroplasty (PISA) implant. METHODS: This was a prospective study of 67 consecutive patients who underwent shoulder PISA at 9 centers...
February 14, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28209327/outcomes-of-total-shoulder-arthroplasty-in-patients-younger-than-65-years-a-systematic-review
#3
REVIEW
Troy A Roberson, Jared C Bentley, James T Griscom, Michael J Kissenberth, Stefan J Tolan, Richard J Hawkins, John M Tokish
BACKGROUND: Despite concerns about the longevity of total shoulder arthroplasty (TSA) in young patients, it remains an attractive option because of the absence of superior options. METHODS: A systematic review was performed using searches of PubMed, Embase, and Cochrane databases. English-language studies were identified with search terms "total shoulder arthroplasty" (title/abstract) or "shoulder replacement" (title/abstract) and "young" (title/abstract) or "under 65 years of age" (title/abstract)...
February 10, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28205145/is-reverse-total-shoulder-arthroplasty-a-feasible-treatment-option-for-failed-shoulder-arthroplasty-a-retrospective-study-of-44-cases-with-special-regards-to-stemless-and-stemmed-primary-implants
#4
M Holschen, B Franetzki, K-A Witt, D Liem, J Steinbeck
: Is reverse total shoulder arthroplasty a feasible treatment option for failed shoulder arthroplasty? A retrospective study of 44 cases with special regards to stemless and stemmed primary implants. BACKGROUND: Due to humeral or glenoid bone-loss and rotator cuff insufficiency reverse total shoulder arthroplasty often means the only remaining treatment option in revision shoulder arthroplasty. This study investigates the clinical outcome of patients treated with a reverse total shoulder in revision cases with special regard to stemless and stemmed primary implants...
February 15, 2017: Musculoskeletal Surgery
https://www.readbyqxmd.com/read/28195985/prosthetic-joint-infections-in-patients-undergoing-carpal-tunnel-release
#5
Wenjing Zeng, Deborah Paul, Thomas Kemp, John Elfar
INTRODUCTION: Little information is available regarding the rate of prosthetic joint infections (PJIs) in patients undergoing carpal tunnel release (CTR) without antibiotic prophylaxis. Hand surgeons should be aware of patients' history of arthroplasty. METHODS: All patients who underwent CTR at our institution between 2012 and 2014 were identified and their charts were reviewed to identify those who had a history of total hip, knee, and/or shoulder arthroplasty...
March 2017: Journal of the American Academy of Orthopaedic Surgeons
https://www.readbyqxmd.com/read/28190669/insurance-status-affects-postoperative-morbidity-and-complication-rate-after-shoulder-arthroplasty
#6
Xinning Li, David R Veltre, Antonio Cusano, Paul Yi, David Sing, Joel J Gagnier, Josef K Eichinger, Andrew Jawa, Asheesh Bedi
BACKGROUND: Shoulder arthroplasty is an effective procedure for managing patients with shoulder pain secondary to end-stage arthritis. Insurance status has been shown to be a predictor of patient morbidity and mortality. The current study evaluated the effect of patient insurance status on perioperative outcomes after shoulder replacement surgery. METHODS: Data between 2004 and 2011 were obtained from the Nationwide Inpatient Sample. Analysis included patients undergoing shoulder arthroplasty (partial, total, and reverse) procedures determined by International Classification of Disease, 9th Revision procedure codes...
February 10, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28190668/resilience-correlates-with-outcomes-after-total-shoulder-arthroplasty
#7
John M Tokish, Michael J Kissenberth, Stefan J Tolan, Tariq I Salim, Josh Tadlock, Thomas Kellam, Catherine D Long, Ashley Crawford, Keith T Lonergan, Richard J Hawkins, Ellen Shanley
BACKGROUND: Resilience, characterized by an ability to bounce back or recover from stress, is increasingly recognized as a psychometric property affecting many outcomes' domains including quality of life, suicide risk in active-duty military personnel, and recovery in cancer patients. This study examines the correlation between resilience, as measured by the Brief Resilience Scale (BRS), and traditional outcome scores including the American Shoulder and Elbow Surgeons (ASES), Single Assessment Numeric Evaluation (SANE), and Penn scores in patients undergoing total shoulder arthroplasty (TSA)...
February 10, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28168641/towards-standardised-definitions-of-shoulder-arthroplasty-complications-a-systematic-review-of-terms-and-definitions
#8
Matthijs Jacxsens, Theodor Walz, Holger Durchholz, Andreas M Müller, Matthias Flury, Hans-Kaspar Schwyzer, Laurent Audigé
INTRODUCTION: A transparent, reliable and accurate reporting of complications is essential for an evidence-based evaluation of shoulder arthroplasty (SA). We systematically reviewed the literature for terms and definitions related to negative events associated with SA. MATERIALS AND METHODS: Various biomedical databases were searched for reviews, clinical studies and case reports of complications associated with SA. Any general definition of a complication, classification system, all reported terms related to complications and negative events with their definitions were extracted...
February 6, 2017: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/28162887/intravenous-tranexamic-acid-reduces-total-blood-loss-in-reverse-total-shoulder-arthroplasty-a-prospective-double-blinded-randomized-controlled-trial
#9
Alexander D Vara, Denise M Koueiter, Daphne E Pinkas, Ashok Gowda, Brett P Wiater, J Michael Wiater
BACKGROUND: Patients undergoing reverse total shoulder arthroplasty (RTSA) are at risk of significant perioperative blood loss. To date, few studies have examined the effectiveness of tranexamic acid (TXA) to reduce blood loss in the setting of RTSA. METHODS: In a prospective, double-blinded, single-surgeon trial, we analyzed 102 patients undergoing primary RTSA who were randomized to receive intravenous TXA (n = 53) or placebo (n = 49). Calculated total blood loss, drain output, and hemoglobin (Hb) drop were measured...
February 3, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28162886/dislocation-following-reverse-total-shoulder-arthroplasty
#10
Eitan M Kohan, Peter N Chalmers, Dane Salazar, Jay D Keener, Ken Yamaguchi, Aaron M Chamberlain
BACKGROUND: The etiology of instability following reverse total shoulder arthroplasty (RTSA) remains incompletely understood. The purpose of this study was to describe the shared characteristics, etiologies, and outcomes of early and late dislocations requiring operative revision. METHODS: We identified all patients at our institution who underwent operative revision of an RTSA for instability. Baseline demographic, clinical, and radiographic data were collected...
February 3, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28162884/the-influence-of-three-dimensional-planning-on-decision-making-in-total-shoulder-arthroplasty
#11
Birgit S Werner, Robert Hudek, Klaus J Burkhart, Frank Gohlke
BACKGROUND: Long-term results and complication rates in shoulder arthroplasty are related to implant positioning. Current literature reports increased precision in glenoid component positioning using 3-dimensional (3D) computed tomography (CT) planning tools. This study evaluated the accuracy of glenoid version and inclination measurements using 2D CT scans compared with a validated 3D software program and its influence on decision making on implant selection. METHODS: Preoperative CT scans were obtained from 50 patients undergoing total shoulder arthroplasty...
February 2, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28161240/survival-of-the-pegged-glenoid-component-in-shoulder-arthroplasty-part-ii
#12
Paul B McLendon, Bradley S Schoch, John W Sperling, Joaquin Sanchez-Sotelo, Cathy D Schleck, Robert H Cofield
BACKGROUND: Loosening of the glenoid component is a primary reason for failure of an anatomic shoulder arthroplasty. Pegged glenoids were designed in an effort to outperform keeled components. This study evaluated the midterm clinical and radiographic survival of a single implant design with implantation of an in-line pegged glenoid component and identified risk factors for radiographic loosening and clinical failure. MATERIALS AND METHODS: There were 330 total shoulder arthroplasties that had been implanted with a cemented, all-polyethylene, in-line pegged glenoid component evaluated with an average clinical follow-up of 7...
February 1, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28159474/proximal-ingrowth-coating-decreases-risk-of-loosening-following-uncemented-shoulder-arthroplasty-using-mini-stem-humeral-components-and-lesser-tuberosity-osteotomy
#13
Michael P Morwood, Peter S Johnston, Grant E Garrigues
BACKGROUND: Mini-stem humeral component (MSHC) use during total shoulder arthroplasty (TSA) provides bone preservation and ease of revision. MSHCs rely solely on proximal metaphyseal fixation; some early reports have demonstrated an unacceptably high rate of early loosening. To our knowledge, no study analyzing the effect of proximal porous coating on MSHCs has been performed. METHODS: We performed a retrospective review of consecutive patients who underwent anatomic TSA using coated or uncoated MSHCs with minimum 2-year follow-up...
January 31, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28159312/effects-of-anterior-offsetting-of-humeral-head-component-in-posteriorly-unstable-total-shoulder-arthroplasty-finite-element-modeling-of-cadaver-specimens
#14
Gregory S Lewis, William K Conaway, Hwabok Wee, H Mike Kim
A novel technique of "anterior offsetting" of the humeral head component to address posterior instability in total shoulder arthroplasty has been proposed, and its biomechanical benefits have been previously demonstrated experimentally. The present study sought to characterize the changes in joint mechanics associated with anterior offsetting with various amounts of glenoid retroversion using cadaver specimen-specific 3-dimensional finite element models. Specimen-specific computational finite element models were developed through importing digitized locations of six musculotendinous units of the rotator cuff and deltoid muscles based off three cadaveric shoulder specimens implanted with total shoulder arthroplasty in either anatomic or anterior humeral head offset...
January 18, 2017: Journal of Biomechanics
https://www.readbyqxmd.com/read/28153684/analysis-of-complication-rates-following-perioperative-transfusion-in-shoulder-arthroplasty
#15
A Jordan Grier, Abiram Bala, Colin T Penrose, Thorsten M Seyler, Michael P Bolognesi, Grant E Garrigues
BACKGROUND: Postoperative anemia requiring a blood transfusion is not uncommon following anatomic total shoulder arthroplasty (TSA) or reverse total shoulder arthroplasty (RTSA). However, the potential complications in patients undergoing transfusion after shoulder arthroplasty remain unclear. The goal of this study was to examine the postoperative outcomes of patients receiving blood transfusions following TSA and RTSA. METHODS: Using the Medicare Standard Analytic Files database, we identified all patients undergoing TSA or RTSA between 2005 and 2010...
January 30, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28149212/thumb-metacarpal-subsidence-after-partial-trapeziectomy-with-capsular-interposition-arthroplasty-a-biomechanical-study
#16
Christina Salas, Deana M Mercer, Gavin O'Mahony, James Love, Dukens LaBaze, Moheb S Moneim
Background: In a cadaveric model, we evaluated thumb metacarpal subsidence, indicated by a decreased metacarpal-to-scaphoid distance, after 2 surgical procedures used to treat thumb carpometacarpal (CMC) osteoarthritis (OA): partial trapeziectomy with capsular interposition (PTCI), which involves removal of 2 mm of both the distal trapezium and base of the metacarpal; and total trapeziectomy with capsular interposition (TTCI). Methods: Nine matched pairs of cadaveric hands were randomly assigned to undergo either PTCI or TTCI...
December 2016: Hand: Official Journal of the American Association for Hand Surgery
https://www.readbyqxmd.com/read/28148463/complications-in-total-shoulder-and-reverse-total-shoulder-arthroplasty-by-body-mass-index
#17
Oke Anakwenze, Alex Fokin, Mary Chocas, Mark T Dillon, Ronald A Navarro, Edward H Yian, Anshuman Singh
INTRODUCTION: The purpose of this study was to identify the effects of body mass index (BMI) on long-term outcomes (revision rate, 1-year mortality rate, 3-year surgical site infection rate, and 90-day inpatient all-cause readmission rate) after total shoulder arthroplasty (TSA) and reverse TSA (RTSA). METHODS: A large shoulder arthroplasty registry was used to review outcomes after TSA and RTSA. The registry monitors patient's revision, mortality, infection, and readmission rates...
January 30, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28145949/histological-evidence-of-muscle-degeneration-in-advanced-human-rotator-cuff-disease
#18
Michael C Gibbons, Anshu Singh, Oke Anakwenze, Timothy Cheng, Maxwill Pomerantz, Simon Schenk, Adam J Engler, Samuel R Ward
BACKGROUND: Cellular remodeling in rotator cuff muscles following a massive rotator cuff tear is poorly understood. The aim of the current study was to provide histological evidence to elucidate the mode of muscle loss in advanced human rotator cuff disease and to assess tissue-level changes in relation to findings on noninvasive imaging. METHODS: Rotator cuff muscle biopsy samples were taken from the scapular fossae from 23 consecutive patients undergoing reverse total shoulder arthroplasty in order to evaluate muscle composition in severe rotator cuff disease...
February 1, 2017: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/28139387/the-influence-of-patient-and-surgeon-specific-factors-on-operative-duration-and-early-postoperative-outcomes-in-shoulder-arthroplasty
#19
Jonathan C Clark, Peter Simon, Rachel E Clark, Kaitlyn N Christmas, Jesse W Allert, Jonathan J Streit, Mark A Mighell, Alfred Hess, Jeffrey Stone, Mark A Frankle
BACKGROUND: Increased operative duration has been shown to have demonstrable effects on the outcomes and complications in multiple areas of orthopedic surgery. We sought to determine if patient- and surgeon-specific factors correlated to operative duration in shoulder arthroplasty. Our hypothesis was that increased surgeon and trainee volume would decrease operative times and that more complex pathology would increase operative duration. METHODS: A retrospective review of primary and revision total and reverse shoulder arthroplasties performed at a single institution from 2012 through 2015 was performed evaluating the correlation between specific patient and surgeon factors and operative duration...
January 27, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28139384/comorbidity-effects-on-shoulder-arthroplasty-costs-analysis-of-a-nationwide-private-payer-insurance-data-set
#20
Samuel Rosas, Karim G Sabeh, Leonard T Buller, Tsun Yee Law, Steven P Kalandiak, Jonathan C Levy
BACKGROUND: The purpose of this study was to evaluate the effect of common medical comorbidities on the reimbursements of different shoulder arthroplasty procedures. METHODS: We conducted a retrospective query of a single private payer insurance claims database using PearlDiver (Warsaw, IN, USA) from 2010 to 2014. Our search included the Current Procedural Terminology codes and International Classification of Diseases, Ninth Revision codes for total shoulder arthroplasty (TSA), hemiarthroplasty, and reverse shoulder arthroplasty (RSA)...
January 27, 2017: Journal of Shoulder and Elbow Surgery
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