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https://www.readbyqxmd.com/read/27858226/conversions-from-anatomic-shoulder-replacements-to-reverse-total-shoulder-arthroplasty-do-the-indications-for-initial-surgery-influence-the-clinical-outcome-after-revision-surgery
#1
Malte Holschen, Bastian Franetzki, Kai-Axel Witt, Dennis Liem, Jörn Steinbeck
INTRODUCTION: The most frequent indications for anatomic shoulder replacement are glenohumeral osteoarthritis and fractures of the humeral head. If anatomic shoulder prostheses fail, reverse total shoulder arthroplasty is often the only remaining treatment option. This study evaluates the influence of indications for primary shoulder arthroplasty on the clinical outcome after conversion to reverse total shoulder arthroplasty. MATERIALS AND METHODS: From 2010 to 2012, 44 failed shoulder arthroplasties were converted to reverse total shoulder arthroplasty...
November 17, 2016: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/27856267/is-the-stemless-humeral-head-replacement-clinically-and-radiographically-a-secure-equivalent-to-standard-stem-humeral-head-replacement-in-the-long-term-follow-up-a-prospective-randomized-trial
#2
Stephan Uschok, Petra Magosch, Merethe Moe, Sven Lichtenberg, Peter Habermeyer
BACKGROUND: Stemless humeral head replacement represents a young generation of shoulder arthroplasty. This study evaluated the differences of this new stemless design compared with the fourth-generation standard stemmed design. METHODS: Total shoulder arthroplasty was performed in 20 patients with a stemless shoulder prosthesis (group 1) and in 20 patients with a standard stem humeral head replacement (group 2). Twenty-nine patients were examined clinically and radiographically at a minimum follow-up of 2 years and a minimum follow-up of 5 years...
November 15, 2016: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/27728947/novel-patient-specific-instruments-for-acetabular-preparation-and-cup-placement
#3
Ran Schwarzkopf, Erik Schnaser, Taiki Nozaki, Yasuhito Kaneko, Michael J Gillman
INTRODUCTION: Patient-specific implants and instruments (PSI) have been used in both knee and shoulder replacements due to the perceived benefits of improved surgical accuracy and efficiency. The proposed benefits of using a PSI in total hip arthroplasty (THA) are numerous and include reduction of operative time and improved mechanical and anatomical alignment leading to increased implant longevity, increased stability, and clinical outcomes. We describe a novel patient-specific instrumentation and a surgical method that may improve directed resection of acetabular bone and accurate cup placement during THA...
October 6, 2016: Surgical Technology International
https://www.readbyqxmd.com/read/27727052/comparative-study-of-total-shoulder-arthroplasty-versus-total-shoulder-surface-replacement-for-glenohumeral-osteoarthritis-with-minimum-2-year-follow-up
#4
Bauke W Kooistra, W Jaap Willems, Eelke Lemmens, Bas P Hartel, Michel P J van den Bekerom, Derek F P van Deurzen
BACKGROUND: Compared with total shoulder arthroplasty (TSA), total shoulder surface replacement (TSSR) may offer the advantage of preservation of bone stock and shorter surgical time, possibly at the expense of glenoid component positioning and increasing lateral glenohumeral offset. We hypothesized that in patients treated for osteoarthritis with a sufficient rotator cuff, TSA and TSSR patients have comparable functional outcome, glenoid component version, and lateral glenohumeral offset...
October 7, 2016: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/27676730/multifocal-osteonecrosis-revealing-an-antiphospholipid-syndrome-case-report
#5
Sophie Legrève
OBJECTIVE: Multifocal osteonecrosis is rare. A zone of epiphyseal bone-marrow necrosis of three or more joints characterizes it. The most common risk factors are glucocorticoids intake and alcoholism. However, there is a series of other causes that could be incriminated in osteonecrosis, among which antiphospholipid syndrome. This case report, illustrates a primary antiphospholipid syndrome with only one clinical manifestation: multifocal osteonecrosis. OBSERVATIONS: A 30-year-old woman, with a medical history of left total hip replacement (THR), presents with severe right coxalgia and pain in both knees and shoulders...
September 2016: Annals of Physical and Rehabilitation Medicine
https://www.readbyqxmd.com/read/27672564/return-to-sports-after-shoulder-arthroplasty
#6
REVIEW
Christine C Johnson, Daniel J Johnson, Joseph N Liu, Joshua S Dines, David M Dines, Lawrence V Gulotta, Grant H Garcia
Many patients prioritize the ability to return to sports following shoulder replacement surgeries, including total shoulder arthroplasty (TSA), reverse total shoulder arthroplasty (RTSA), and hemiarthroplasty (HA). While activity levels after hip and knee replacements have been well-established in the literature, studies on this topic in the field of shoulder arthroplasty are relatively limited. A review of the literature regarding athletic activity after shoulder arthroplasty was performed using the PubMed database...
September 18, 2016: World Journal of Orthopedics
https://www.readbyqxmd.com/read/27608744/total-shoulder-arthroplasty-demographics-incidence-and-complications-a-nationwide-inpatient-sample-database-study
#7
Kimona Issa, Casey M Pierce, Todd P Pierce, Matthew R Boylan, Bashir A Zikria, Qais Naziri, Anthony Festa, Vincent K McInerney, Anthony J Scillia
INTRODUCTION: Total shoulder arthroplasty (TSA) has become a popular and successful surgery to treat advanced glenohumeral arthritis, rotator cuff arthropathy, and proximal humerus fractures. Historical data is available investigating the epidemiology of total shoulder arthroplasty with regard to patient characteristics, outcomes, and complications; however, there is a lack of studies investigating the most recent and up to date national trends related to shoulder replacement. The purpose of this study was to evaluate changes in the annual incidence, various demographics, and complications of TSA in America...
September 10, 2016: Surgical Technology International
https://www.readbyqxmd.com/read/27598612/-mid-term-follow-up-evaluation-of-plate-osteosynthesis-and-hemiarthroplasty-results-in-multipart-fractures-of-the-proximal-humerus
#8
Cem Çelik, Seyit Ali Gümüştaş, Gültekin Sıtkı Çeçen, Güven Bulut, Halil İbrahim Bekler
BACKGROUND: The present objective was to retrospectively evaluate factors affecting functional outcome of multipart proximal humeral fracture treated with fixation or hemiarthroplasty. METHODS: Included were 58 patients (19 women, 39 men; average age: 51.04 years; range 22-78 years) who underwent surgery for Neer type III or IV proximal humeral fractures between 2007 and 2012. All participants attended follow-up of at least 2 years. A total of 35 patients underwent open reduction and anatomical plate fixation; 23 underwent partial shoulder replacement...
July 2016: Ulusal Travma Ve Acil Cerrahi Dergisi, Turkish Journal of Trauma & Emergency Surgery: TJTES
https://www.readbyqxmd.com/read/27583004/is-there-sufficient-evidence-to-support-intervention-to-manage-shoulder-arthritis
#9
REVIEW
Damian Bull, Andrew Tai Kie, Birgit Hanusch, Rohit Kulkarni, Jonathan Rees, Amar Rangan
BACKGROUND: We explore the nature, extent and validity of research studies concerning the management of shoulder arthritis to identify whether current management recommendations are adequate. METHODS: A full electronic search for relevant studies published between 2002 and 2012 was performed. The search focused on level 1 and level 2 studies. Full texts of selected articles were retrieved and assessed for quality against validated criteria. RESULTS: Four hundred and eleven studies were identified on the initial search and screened...
April 2016: Shoulder & Elbow
https://www.readbyqxmd.com/read/27574275/mid-term-outcome-of-total-elbow-replacement-for-rheumatoid-arthritis
#10
H Williams, T Madhusudhan, A Sinha
PURPOSE: To review the outcome of total elbow replacement (TER) in 21 patients after a mean of 64 months. METHODS: Records of 12 women and 9 men aged 32 to 78 (mean, 59.1) years who underwent 22 TERs for rheumatoid arthritis by a single surgeon were reviewed. Functional outcome was assessed using the disability of the arm, shoulder and hand (DASH) questionnaire. The range of movement and Kaplan- Meier survival curve was determined. Adequacy of cementation was assessed on immediate postoperative radiographs...
August 2016: Journal of Orthopaedic Surgery
https://www.readbyqxmd.com/read/27566617/anterior-stability-of-the-reverse-shoulder-arthroplasty-depending-on-implant-configuration-and-rotator-cuff-condition
#11
Marc-Frederic Pastor, Manuel Kraemer, Mathias Wellmann, Christof Hurschler, Tomas Smith
INTRODUCTION: The aim of this study was to investigate the stabilizing influence of the rotator cuff as well as the importance of glenosphere and onlay configuration on the anterior stability of the reverse total shoulder replacement (RTSR). MATERIALS AND METHODS: A reverse total shoulder replacement was implanted into eight human cadaveric shoulders, and biomechanical testing was performed under three conditions: after implantation of the RTSR, after additional dissection of the subscapularis tendon, and after additional dissection of the infraspinatus and teres minor tendon...
November 2016: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/27566616/clinical-and-radiologic-outcomes-of-the-second-generation-trabecular-metal%C3%A2-glenoid-for-total-shoulder-replacements-after-2-6%C3%A2-years-follow-up
#12
Juan Paulo Panti, Simon Tan, Warren Kuo, Sebastian Fung, Kim Walker, Jed Duff
BACKGROUND: A porous tantalum glenoid component for total shoulder replacements was introduced in 2003 to promote biologic ingrowth. However, reports of component failure prompted design modifications. The purpose of this study is to present the largest series to date, of TSR with the second-generation Trabecular Metal™ glenoid component. METHOD: A radiologic and clinical evaluation of the second-generation TM glenoid was conducted in consecutive cases of 76 shoulders (66 patients) with a mean follow-up of 43...
August 26, 2016: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/27526332/preoperative-hypoalgesia-after-cold-pressor-test-and-aerobic-exercise-is-associated-with-pain-relief-six-months-after-total-knee-replacement
#13
Henrik Bjarke Vaegter, Gitte Handberg, Claus Emmeluth, Thomas Graven-Nielsen
OBJECTIVES: Chronic pain after total knee replacement (TKR) is not uncommon. Preoperative impaired conditioning pain modulation (CPM) has been used to predict chronic postoperative pain. Interestingly, exercises reduce pain sensitivity in patients with knee osteoarthritis. This pilot study investigated the association between exercise-induced hypoalgesia (EIH) and CPM on post-TKR pain relief. METHODS: Before and six months post-TKR, 14 patients with chronic knee osteoarthritis performed the cold pressor test on the non-affected leg and two exercise conditions (bicycling and isometric knee extension), randomized and counterbalanced...
August 12, 2016: Clinical Journal of Pain
https://www.readbyqxmd.com/read/27522339/primary-shoulder-arthroplasty-using-a-custom-made-hip-inspired-implant-for-the-treatment-of-advanced-glenohumeral-arthritis-in-the-presence-of-severe-glenoid-bone-loss
#14
Ramsey Chammaa, Ofir Uri, Simon Lambert
BACKGROUND: Total shoulder arthroplasty for end-stage glenohumeral arthritis with severe glenoid bone loss poses a unique challenge for shoulder surgeons. Current surgical solutions are limited and associated with high complication rates. We hypothesized that a custom-made computer-aided design-computer-aided manufacturing (CAD-CAM) total shoulder replacement (TSR; Stanmore Implants Worldwide, Elstree, UK) resembling a total hip prosthesis could offer a reliable alternative for this challenging subset of patients...
August 10, 2016: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/27506572/total-shoulder-replacement-using-a-bone-ingrowth-central-peg-polyethylene-glenoid-component-a-prospective-clinical-and-computed-tomography-study-with-short-to-mid-term-follow-up
#15
Giovanni Merolla, Giovanni Ciaramella, Elisabetta Fabbri, Gilles Walch, Paolo Paladini, Giuseppe Porcellini
AIM OF THE STUDY: To assess the clinical and computed tomography (CT) outcomes of shoulder replacement with a novel bone ingrowth all-polyethylene glenoid component (APGC). METHODS: Twenty-eight patients (30 shoulders) with osteoarthritis, mean age 62.3 years (range, 45-75), were implanted with the novel component between 2011 and 2013. Patients were evaluated by active range of motion (ROM), Constant-Murley score (CMS), simple shoulder test (SST), X-rays, and multidetector CT at two months and at a mean follow-up of 31 months (range, 24-39)...
August 10, 2016: International Orthopaedics
https://www.readbyqxmd.com/read/27421770/few-geographic-and-socioeconomic-variations-exist-in-primary-total-shoulder-arthroplasty-a-multi-level-study-of-australian-registry-data
#16
Sharon L Brennan-Olsen, Richard S Page, Stephen E Lane, Michelle Lorimer, Rachelle Buchbinder, Richard H Osborne, Julie A Pasco, Anita E Wluka, Kerrie M Sanders, Peter R Ebeling, Stephen E Graves
BACKGROUND: Associations between socioeconomic position (SEP) and the uptake of primary total shoulder arthroplasty (TSA) is not well understood in the Australian population, thus potentially limiting equitable allocation of healthcare resources. We used the Australian Orthopaedic Association National Joint Replacement Registry (AOA NJRR) to examine whether geographic or socioeconomic variations exist in TSA performed for a diagnosis of osteoarthritis 2007-11 for all Australians aged ≥40 years...
2016: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/27398785/biomechanical-study-of-a-subscapularis-repair-technique-for-total-shoulder-arthroplasty
#17
Evan Lederman, Jonathan Streit, John Idoine, Yousef Shishani, Reuben Gobezie
Secure subscapularis repair is an essential element of total shoulder arthroplasty. Some surgeons prefer subscapularis peel because of ease of use, but some evidence suggests that lesser tuberosity osteotomy provides better fixation. The authors developed a novel, through-implant repair technique and performed a biomechanical study of its strength with cadaveric specimens. The authors obtained 20 matched pairs of cadaveric shoulders and inserted an uncemented short-stemmed humeral prosthesis that facilitates through-implant repair in all specimens...
September 1, 2016: Orthopedics
https://www.readbyqxmd.com/read/27385682/clinical-and-radiographic-results-of-an-all-polyethylene-pegged-bone-ingrowth-glenoid-component
#18
Malin Wijeratna, David McD Taylor, Steven Lee, Gregory Hoy, Matthew C Evans
BACKGROUND: Loosening of the glenoid component continues to be the main cause of medium and long-term failure of shoulder replacements. The purpose of this study was to evaluate the early clinical and radiographic results following use of an all-polyethylene pegged glenoid component designed for hybrid (biological and cement) fixation. METHODS: Eighty-three shoulders in 77 patients (mean age, 68.6 years) underwent total shoulder arthroplasty with a pegged hybrid-fixation component (bone-ingrowth glenoid and cemented peg)...
July 6, 2016: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/27385293/elbow-arthroplasty-where-are-we-today-a-narrative-review
#19
Ilse Degreef
Background The elbow joint is a complex compound articulation, with a linking role within the upper limb kinematics. Its hinge function allows for proper placement of our working instrument (the hand) in the space surrounding us, directed by the shoulder joint. Both reliable mobility and stability are essential elements to allow for consistent bridging of the distance we aim to achieve in common daily activities. Sufficient flexion and extension are required to ensure both the patients' independence and the dignity...
April 2016: Acta Chirurgica Belgica
https://www.readbyqxmd.com/read/27328424/survivorship-of-trabecular-metal-anchored-glenoid-total-shoulder-arthroplasties
#20
Joseph F Styron, Patrick G Marinello, Sebastian Peers, William H Seitz
Trabecular metal anchored glenoids (TMAGs) were developed to counter the pervasive problem of component loosening at the bone-cement interface in total shoulder arthroplasty. Increased failure rates associated with the glenoid component have been previously reported due to increased rates of glenoid failures. Our hypothesis was that in our patients, the failure rate of TMAG implants is similar to or less than reported failure rates of traditional all polyethylene glenoid components. A medical chart review of 66 consecutive patients treated with a TMAG total shoulder replacement was conducted including clinical and radiographic follow-up...
September 2016: Techniques in Hand & Upper Extremity Surgery
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