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https://www.readbyqxmd.com/read/28914349/reverse-total-shoulder-arthroplasty-for-type-i-fracture-sequelae-after-internal-fixation-of-proximal-humerus-fractures
#1
Benedikt Schliemann, Christina Theisen, Clemens Kösters, Michael J Raschke, Andre Weimann
INTRODUCTION: Complications after internal fixation of proximal humerus fracture are common and may require surgical revision. Reverse total shoulder arthroplasty (RTSA) is frequently performed in such cases. The aim of the present study was to evaluate the functional results and complications after RTSA for the treatment of type I fracture sequelae after internal fixation of proximal humerus fractures. MATERIALS AND METHODS: 26 patients (18 female, 8 male) underwent surgical revision of type I fracture sequelae of the proximal humerus after locking plate (n = 22) or intramedullary nail (n = 4) fixation...
September 15, 2017: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/28913377/early-versus-late-reverse-shoulder-arthroplasty-for-proximal-humerus-fractures-does-it-matter
#2
Adam Seidl, Daniel Sholder, William Warrender, Michael Livesey, Gerald Williams, Joseph Abboud, Surena Namdari
BACKGROUND: This study compared the outcomes between patients with proximal humerus fractures (PHF) who underwent acute reverse total shoulder arthroplasty (RSA) to those who underwent an alternative initial treatment before requiring (secondary) RSA. METHODS: Patients who underwent RSA after suffering a PHF were identified. Two year clinical follow-up was required for inclusion. Patients were divided into an acute group (RSA <4 weeks of fracture) and a secondary group...
July 2017: Archives of Bone and Joint Surgery
https://www.readbyqxmd.com/read/28911814/the-effect-of-patient-gender-on-outcomes-after-reverse-total-shoulder-arthroplasty
#3
Stephanie E Wong, Austin A Pitcher, David Y Ding, Nicola Cashman, Alan L Zhang, C Benjamin Ma, Brian T Feeley
BACKGROUND: Gender differences may exist for patients undergoing shoulder arthroplasty. Limited data suggest that women may have worse preoperative disability and outcomes. Our objective was to determine whether gender influences preoperative disability and patient-reported outcomes after reverse total shoulder arthroplasty. METHODS: Data were prospectively collected for patients who underwent reverse total shoulder arthroplasty for rotator cuff arthropathy or osteoarthritis with a rotator cuff tear at a single institution between 2009 and 2015...
September 11, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28902601/impact-of-diabetes-on-perioperative-complications-in-patients-undergoing-elective-total-shoulder-arthroplasty
#4
Siddharth Mahure, Brent Mollon, Mary Quien, Raj Karia, Joseph Zuckerman, Young Kwon
INTRODUCTION: Diabetes has been associated with negative outcomes following orthopaedic surgery. While previous studies have reported on diabetes-associated complications in shoulder arthroplasty, those cohorts were heterogeneous in terms of patient population, nature of elective surgery, and arthroplasty type. Given that the number of elective total shoulder arthroplasties (TSAs) performed has grown substantially in volume and is predicted to rise even further, it is important to recognize the role that diabetes may play in developing in-hospital complications within a more homogenous sample of patients undergoing elective TSA...
May 2017: Bulletin of the Hospital for Joint Diseases
https://www.readbyqxmd.com/read/28898448/neutral-glenoid-alignment-in-reverse-shoulder-arthroplasty-does-not-guarantee-decreased-risk-of-impingement
#5
Julien Berhouet, Lawrence Gulotta, Xiang Chen, David Dines, Russel Warren, Andreas Kontaxis
Reverse Shoulder Arthroplasty (RSA) has gained popularity over the recent years, but impingement concerns are still present. Surgeons aim to correct pre-operative glenoid deformities to reduce impingement but it can be challenging without assistance like patient specific guides. However, it is unclear how accurate glenoid correction affects the impingement. The main objective of this study was to determine whether accurate glenoid correction to neutral version and tilt can reduce the risk of impingement. Two types of virtual surgeries were performed on 22 pre-operative arthritic shoulders: i)'Interactive', the glenoid baseplate could be placed with accuracy, and ii)'Blind', surgeons placed the RSA baseplate while they could only visualize the glenoid...
September 12, 2017: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/28893545/neer-award-2017-wear-rates-of-32-mm-and-40-mm-glenospheres-in-a-reverse-total-shoulder-arthroplasty-wear-simulation-model
#6
John Haggart, Michael D Newton, Samantha Hartner, Anthony Ho, Kevin C Baker, Michael D Kurdziel, J Michael Wiater
BACKGROUND: Larger glenosphere diameters have been used recently to increase prosthesis stability and impingement-free range of motion in reverse total shoulder arthroplasty. The goal of this study was to evaluate the rate of polyethylene wear for 32-mm and 40-mm glenospheres. METHODS: Glenospheres (32 mm and 40 mm, n = 6/group) and conventional polyethylene humeral liners underwent a 5-million cycle (MC) wear simulation protocol. Abduction-adduction and flexion-extension motion profiles were alternated every 250,000 cycles...
September 8, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28890408/interventions-for-treating-3-or-4-part-proximal-humeral-fractures-in-elderly-patient-a-network-meta-analysis-of-randomized-controlled-trials
#7
REVIEW
Shaolong Du, Jiahao Ye, Haolong Chen, Xishan Li, Qiang Lin
BACKGROUND: The fractures of proximal humerus have a high incidence in elderly patients, especially 3- or 4-part fracture. There are 4 main treatments including nonoperation, open reduction and internal fixation(ORIF), hemiarthroplasty(HA) and reverse shoulder arthroplasty(RSA). However, which one is the optimal choice remains a controversial topic. METHODS: Through the search of three electronic databases (PubMed, Embase, and Cochrane), the randomized controlled trials of 3- or 4-part proximal humeral fracture, until the end of July 2017, which is concerned with the elderly patients, were identified...
September 7, 2017: International Journal of Surgery
https://www.readbyqxmd.com/read/28888190/study-of-hydrogen-bonding-in-ethanol-water-binary-solutions-by-raman-spectroscopy
#8
Fabing Li, Zhiwei Men, Shuo Li, Shenghan Wang, Zhanlong Li, Chenglin Sun
Raman spectra of ethanol-water binary solutions have been observed at room temperature and atmospheric pressure. We find that with increasing ethanol concentration, the symmetric and asymmetric OH stretching vibrational mode (3286 and 3434cm(-1)) of water are shifted to lower frequency and the weak shoulder peak at 3615cm(-1) (free OH) disappears. These results indicate that ethanol strengthens hydrogen bonds in water. Simultaneously, our experiment shows that Raman shifts of ethanol reverses when the volume ratio of ethanol and the overall solution is 0...
September 1, 2017: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://www.readbyqxmd.com/read/28885384/a-new-stem-guide-and-a-tuberosity-anchoring-lasso-system-for-shoulder-hemiarthroplasty-in-the-treatment-of-complex-proximal-humerus-fractures
#9
Philippe Valenti, Davide Aliani, Charbel Maroun, Jean-David Werthel
Hemiarthroplasty implantation for proximal humerus fracture is challenging. In case of young demanding patients with functional rotator cuff, humeral head replacement is an option if open reduction internal fixation is not a viable solution. The criteria for success in terms of clinical outcomes and longevity are anatomic healing of the tuberosities and stem positioning (restoring correct height, version, and axis). The purpose of this article is to describe a technique including a new stem guide and a tuberosity anchor "lasso" system for the implantation of hemiarthroplasty in complex proximal humerus fractures...
September 6, 2017: Techniques in Hand & Upper Extremity Surgery
https://www.readbyqxmd.com/read/28881332/reverse-shoulder-arthroplasty-for-deltoid-deficient-shoulder-following-latissimus-dorsi-flap-transfer-case-report
#10
Mohamed Al Ateeq Al Dosari, Shamsi Hameed, Khalid Mukhtar, Aissam Elmhiregh
INTRODUCTION: The usual indication for reverse shoulder arthroplasty is glenohumeral arthritis with inadequate rotator cuff and intact deltoid muscle. We report here a case of reverse shoulder arthroplasty using a lattisimus dorsi flap in a patient with deltoid-deficient shoulder following a gunshot injury. PRESENTATION OF THE CASE: The patient was an otherwise healthy 51-year-old male with a history of gunshot injury of the left shoulder 2006. Upon presentation in 2011, the patient had a loss of most of his shoulder bony and muscular structures...
August 31, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28879051/targeting-danger-molecules-in-tendinopathy-the-hmgb1-tlr4-axis
#11
Moeed Akbar, Derek S Gilchrist, Susan M Kitson, Briana Nelis, Lindsay A N Crowe, Emma Garcia-Melchor, James H Reilly, Shauna C Kerr, George A C Murrell, Iain B McInnes, Neal L Millar
OBJECTIVES: To seek evidence of the danger molecule, high-mobility group protein B1 (HMGB1) expression in human tendinopathy and thereafter, to explore mechanisms where HMGB1 may regulate inflammatory mediators and matrix regulation in human tendinopathy. METHODS: Torn supraspinatus tendon (established pathology) and matched intact subscapularis tendon (representing 'early pathology') biopsies were collected from patients undergoing arthroscopic shoulder surgery...
2017: RMD Open
https://www.readbyqxmd.com/read/28873346/painful-posterior-shoulder-instability-anticipating-and-preventing-failure-a-study-in-25-patients
#12
Jerome Garret, Geoffroy Nourissat, Marie Béatrice Hardy, Diego Antonucci, Philippe Clavert, Pierre Mansat, Arnaud Godenèche
BACKGROUND: Painful posterior shoulder instability (PPSI) is the least common of the three clinical patterns of posterior shoulder instability. PPSI is defined as pain combined with anatomical evidence of posterior instability but no instability events. MATERIAL AND METHOD: We studied a multicentre cohort of 25 patients with PPSI; 23 were identified retrospectively and had a follow-up of at least 2 years and 2 patients were included prospectively. Most patients engaged in sports...
September 2, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28872528/quantitative-measurement-of-osseous-pathology-in-advanced-glenohumeral-osteoarthritis
#13
Joseph P Iannotti, Bong-Jae Jun, Thomas E Patterson, Eric T Ricchetti
BACKGROUND: Osteoarthritis of the glenohumeral joint has typical patterns of deformity as described by Walch et al. However, more severe glenoid pathology may be difficult to classify. The purpose of this study was to use 3-dimensional computed tomography (3-D CT) imaging analysis to define common pathologic subtypes that can be differentiated from the current Walch classification. METHODS: We performed quantitative measurements of premorbid and pathologic anatomy using preoperative 3-D CT scans from 155 cases of advanced glenohumeral osteoarthritis that underwent anatomic or reverse total shoulder arthroplasty...
September 6, 2017: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/28868085/revision-of-reversed-shoulder-arthroplasty-is-a-reoperation-possible
#14
Stijn Casier, Bart Middernacht, Alexander Van Tongel, Lieven De Wilde
INTRODUCTION: As the number of reversed shoulder arthroplasty (RSA) procedures increases, the revision rate will also increase. In case of severe bone insufficiency, instability or infection of the primary RSA, revision to another RSA is preferable but not always possible. Hemiarthroplasty (HA), spacers and resection arthroplasty (RA) have been described in this indication. MATERIALS AND METHODS: Between 2004 and 2016, 20 shoulders in 19 patients were treated at Ghent University Hospital for failed revision of RSA...
2017: Obere Extremität
https://www.readbyqxmd.com/read/28861209/erratum-to-clinical-outcomes-and-complications-during-the-learning-curve-for-reverse-total-shoulder-arthroplasty-an-analysis-of-the-first-40-cases
#15
(no author information available yet)
[This corrects the article on p. 213 in vol. 9, PMID: 28567225.].
September 2017: Clinics in Orthopedic Surgery
https://www.readbyqxmd.com/read/28861200/reverse-shoulder-arthroplasty-in-patients-with-rheumatoid-arthritis-a-systematic-review
#16
Chul-Hyun Cho, Du-Han Kim, Kwang-Soon Song
BACKGROUND: There are limited data available regarding the results of reverse shoulder arthroplasty (RSA) in patients with rheumatoid arthritis (RA). We performed a systematic review of the literature to investigate the radiological and clinical outcomes after RSA in patients with RA. METHODS: A literature search for publications between 1987 and 2014 was conducted by 2 independent reviewers using PubMed, Scopus, Embase, and Cochrane Central Register of Controlled Trials...
September 2017: Clinics in Orthopedic Surgery
https://www.readbyqxmd.com/read/28852335/proximal-humerus-fracture-dislocation-with-laceration-of-the-axillary-artery-a-case-report
#17
Steven J Cotman, Thai Q Trinh, Stephen Vincent, Jeffrey R Backes
BACKGROUND: Proximal humerus fractures account for approximately 4-6% of all fractures. While the majority of these fractures are treated non-operatively, the amount of fracture displacement, concomitant injuries, and patient factors often result in the need for surgical stabilization. Although concomitant neurovascular injury in the setting of low-energy trauma is rare, injury to the surrounding neurovascular structures have previously been reported. METHODS: We report a case of a 79-year-old male who sustained a low energy fall resulting in a two-part fracture dislocation of the proximal humerus with an associated brachial plexopathy and axillary artery laceration...
2017: Iowa Orthopaedic Journal
https://www.readbyqxmd.com/read/28844682/transfer-of-the-lesser-tuberosity-for-reverse-hill-sachs-lesions-after-neglected-posterior-dislocations-of-the-shoulder-a-retrospective-clinical-study-of-13-cases
#18
Mehmet Demirel, Ali Erşen, Gökhan Karademir, Ata Can Atalar, Mehmet Demirhan
OBJECTIVE: This study aimed to present middle-term functional and radiological outcomes of the transfer of the lesser tuberosity in the management of reverse Hill-Sachs lesions following posterior dislocations of the shoulder. PATIENTS AND METHODS: With a diagnosis of neglected posterior shoulder dislocation (8 locked, 5 recurrent), 13 male patients (age range: 28-72; mean age: 39.3 years) who underwent the transfer of the lesser tuberosity due to reverse Hill-Sachs lesions, were retrospectively reviewed based on functional and radiological data...
August 24, 2017: Acta Orthopaedica et Traumatologica Turcica
https://www.readbyqxmd.com/read/28839499/tendon-repair-leads-to-better-long-term-clinical-outcome-than-debridement-in-massive-rotator-cuff-tears
#19
Matthias Alexander König, Volker Alexander Braunstein
INTRODUCTION: Massive tears in the rotator cuff are debilitating pathologies normally associated with loss of function and pain. Tendon reconstruction is seen as the standard treatment in order to preserve shoulder function and to inhibit cuff associated osteoarthritis. However, the effect on longer-term shoulder function and patient satisfaction is unknown. MATERIAL AND METHODS: 165 consecutive patients with massive tears were included. 57 debridement (mean age 61...
2017: Open Orthopaedics Journal
https://www.readbyqxmd.com/read/28827054/reverse-shoulder-arthroplasty-in-young-patient-with-achondroplasia-ten-year-follow-up-case-report
#20
M van den Broek, O Verborgt, G Declercq
Skeletal dysplasia in achondroplasia can affect all body joints - including the glenohumeral joint - and is prone to develop to degenerative osteoarthritis (OA). This may cause pain and mobility problems at young age. Surgical treatment is challenging due to the dysplastic anatomy of the shoulder joint - with a dysplastic deformed short humerus, a small, hypoplastic medialized glenoid and lateralized acromion - and the long life expectancy of these patients. The indications for reverse shoulder arthroplasty (RSA) evolved during years with rotator cuff tears and rotator cuff arthropathy in combination with or without glenohumeral OA as the main indicator, with good short to mid-term results...
August 5, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
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