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https://www.readbyqxmd.com/read/28936610/tight-fitting-radial-head-prosthesis-does-stem-size-help-prevent-painful-loosening
#1
Pierre Laumonerie, Nicolas Reina, Claudia Gutierrez, Stephanie Delclaux, Meagan E Tibbo, Nicolas Bonnevialle, Pierre Mansat
INTRODUCTION: The most common reason for removal of well-fixed radial head prostheses is painful loosening. We hypothesised that short-stemmed prostheses, used for radial head arthroplasty, are not associated with an increased risk of implant loosening. METHODS: From 2002 to 2014, 65 patients were enrolled in a retrospective single-centre study. The radial head prostheses were classified as having either a long (30-mm) or short (16- to 22-mm) stem. The long-stemmed implants comprised 30 GUEPAR® DePuy Synthes (West Chester, PA, USA) and 20 Evolutive® Aston Medical (Saint-Etienne, France) devices; the short-stemmed implants comprised nine RECON and six STANDARD rHead® SBI-Stryker (Morrisville, PA, USA) devices...
September 21, 2017: International Orthopaedics
https://www.readbyqxmd.com/read/28888404/expert-tibial-nails-for-treating-distal-tibial-fractures-with%C3%A2-soft%C3%A2-tissue%C3%A2-damage-a-patient-series
#2
Zhenhai Wang, Yiheng Cheng, Dajiang Xin, Tong Liu, Wenqing Qu, Dan Wang, Yong Zhao, Jingjing Zhao
Distal tibial fractures with soft tissue damage are relatively difficult to treat. We assessed the outcomes of patients with these fractures treated with Expert Tibial Nails(®) (DePuy Synthes, Raynham, MA) from March 2012 to December 2014. At 6 months postoperatively, the general health quality of patients was assessed using operative time, interval to return to work, American Orthopaedic Foot and Ankle Society ankle scale score, pain measured using a visual analog scale, and short-form health outcomes 36-item survey physical functioning and mental health dimension scores...
September 7, 2017: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/28854766/one-year-serial-follow-up-magnetic-resonance-imaging-study-of-rigidfix-for-femoral-fixation-in-anterior-cruciate-ligament-reconstruction
#3
Jung Ho Noh, Jae Woo Lee
Purpose: To assess graft slippage at the site of femoral fixation by follow-up magnetic resonance imaging (MRI) after anterior cruciate ligament (ACL) reconstruction with a four-strand autogenous hamstring tendon using RigidFix (DePuy Mitek). Materials and Methods: Twenty-one subjects diagnosed with ACL rupture underwent ACL reconstruction using hamstring autograft with the transtibial technique. RigidFix was used for femoral fixation and Intrafix and washer screw were used for tibial fixation...
September 1, 2017: Knee Surgery & related Research
https://www.readbyqxmd.com/read/28819609/combined-fluoroscopic-and-arthroscopic-detection-and-removal-of-a-foreign-body-lost-during-elective-shoulder-arthroscopy-a-case-report
#4
Uli Schmiddem, N Hawi, E M Suero, R Meller
INTRODUCTION: We report a case of a lost metal platelet from a radiofrequency ablation probe (VAPR VUE Radiofrequency System, Cool Pulse 90, DePuy, Synthes, Switzerland) in the shoulder joint during elective arthroscopic cuff repair. To the best of our knowledge, this kind of an incident during elective arthroscopy has not been described in the literature so far. In addition, we present an algorithm on how to deal with such an incident. CASE REPORT: A 69-year-old woman underwent an arthroscopic subacromial decompression and rotator cuff repair for a torn supraspinatus tendon...
March 2017: Journal of Orthopaedic Case Reports
https://www.readbyqxmd.com/read/28803815/patient-specific-contact-stress-does-not-predict-polyethylene-wear-rate-in-a-specific-pressfit-cup
#5
Georg Matziolis, Linda Krakow, Frank Layher, Klaus Sander, Joerg Bossert, Steffen Brodt
BACKGROUND: The most common reason for revision total hip arthroplasty remains polyethylene wear. Development dysplasia of the hip and revision situations requires a conscious compromise of implant position. The surgeon should know about the consequence on wear via a possible change in hip contact force. The objective of this study is to investigate whether annual wear is dependent on hip contact force. METHODS: Forty-five inserts (DuraLoc, DePuy) that were explanted in our department were included...
July 25, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28781915/cervical-artificial-disc-extrusion-after-a-paragliding-accident
#6
Tianyi Niu, Haydn Hoffman, Daniel C Lu
BACKGROUND: Cervical total disc replacement (TDR) is an established alternative to anterior cervical discectomy and fusion (ACDF) with excellent long-term outcomes and low failure rates. Cases of implant failure and migration are scarce and primarily limited to several years postoperatively. The authors report a case of anterior extrusion of a C4-C5 ProDisc-C (DePuy Synthes, West Chester, PA, USA) cervical artificial disc (CAD) 14 months after placement due to minor trauma. CASE DESCRIPTION: A 33-year-old female who had undergone C4-C5 CAD implantation presented with neck pain and spasm after experiencing a paragliding accident...
2017: Surgical Neurology International
https://www.readbyqxmd.com/read/28750856/readability-of-patient-education-materials-from-the-web-sites-of-orthopedic-implant-manufacturers
#7
Meghan M Yi, Paul H Yi, Khalil I Hussein, Michael B Cross, Craig J Della Valle
BACKGROUND: Prior studies indicate that orthopedic patient education materials are written at a level that is too high for the average patient. The purpose of this study was to assess the readability of online patient education materials provided by orthopedic implant manufacturers. METHODS: All patient education articles available in 2013 from the web sites of the 5 largest orthopedic implant manufacturers were identified. Each article was evaluated with the Flesch-Kincaid (FK) readability test...
July 11, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28733366/the-available-evidence-on-demineralised-bone-matrix-in-trauma-and-orthopaedic-surgery-a-systematic-review
#8
J van der Stok, K A Hartholt, D A L Schoenmakers, J J C Arts
OBJECTIVES: The aim of this systematic literature review was to assess the clinical level of evidence of commercially available demineralised bone matrix (DBM) products for their use in trauma and orthopaedic related surgery. METHODS: A total of 17 DBM products were used as search terms in two available databases: Embase and PubMed according to the Preferred Reporting Items for Systematic Reviews and Meta Analyses statement. All articles that reported the clinical use of a DBM-product in trauma and orthopaedic related surgery were included...
July 2017: Bone & Joint Research
https://www.readbyqxmd.com/read/28670414/use-of-allogenic-mesenchymal-cellular-bone-matrix-in-anterior-and-posterior-cervical-spinal-fusion-a-case-series-of-21-patients
#9
Srikanth Naga Divi, Mark M Mikhael
STUDY DESIGN: Retrospective case series. PURPOSE: To report our early experience using allogenic mesenchymal cellular bone matrix (CBM) products in cervical spine fusion. OVERVIEW OF LITERATURE: Multi-level cervical fusions have historically yielded lower fusion rates than single level fusions, especially in patients with high risk medical comorbidities. At this time, significant literature in cervical fusion outcomes with this cellular allograft technology is lacking...
June 2017: Asian Spine Journal
https://www.readbyqxmd.com/read/28625096/surgical-technique-and-early-outcomes-of-intramedullary-nailing-of-displaced-proximal-humeral-fractures-in-an-asian-population-using-a-contemporary-straight-nail-design
#10
Toon Dong Hao, Andy Wee Teck Huat
BACKGROUND: Despite being a common orthopedic injury, the optimal management of proximal humeral fractures remains a topic of debate. Although intramedullary nails have been used to treat these fractures, several complications have been reported with older nail devices. We describe our surgical technique and aim to evaluate the early functional and radiological outcomes of displaced Neer's two- to four-part proximal humeral fractures undergoing fixation with a contemporary straight intramedullary nail...
May 2017: Journal of Orthopaedic Surgery
https://www.readbyqxmd.com/read/28623650/the-incidence-of-dissociated-liners-in-4-751-consecutive-total-hip-arthroplasties-using-pinnacle-polyethylene-acetabular-liners
#11
Richard J Napier, Owen Diamond, Chris K J O'Neill, Seamus O'Brien, David E Beverland
INTRODUCTION: Acetabular liner dissociation is a complication exclusive to modular designs. We present a single surgeon series of 8 polyethylene liner dissociations with the Pinnacle Acetabular System (DePuy Orthopaedics) from over 4,750 cases. We also present a review of the literature and data from the UK National Joint Registry (NJR) on dissociation in total hip arthroplasty (THA). METHODS: The Pinnacle Acetabular System has been used exclusively by the senior author since April 2003, and to date 5,882 have been implanted (837 ceramic liners, 4,751 polyethylene liners (1,606 Enduron/3,145 Marathon) and 294 metal liners)...
June 14, 2017: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/28574883/long-term-radiological-and-clinical-outcomes-after-using-bone-marrow-mesenchymal-stem-cells-concentrate-obtained-with-selective-retention-cell-technology-in-posterolateral-spinal-fusion
#12
Mohamed Abdelhamid Ali Yousef, Giovanni Andrea LaMaida, Bernardo Misaggi
STUDY DESIGN: Retrospective study. OBJECTIVE: Was to evaluate the long-term clinical and radiological outcomes of the use of bone marrow mesenchymal stem cell concentrate obtained with selective cell retention technology using Cellect (Depuy Spine, USA) with a particular collagen scaffold, Healos (Depuy Spine, USA) for posterolateral spinal fusion. SUMMARY OF BACKGROUND DATA: With the increasing rate of spinal fusion, the problem of pseudarthrosis, which contributes to recurrent pain with patient disability, is considered to be the most common cause of revision lumbar spine surgery...
June 1, 2017: Spine
https://www.readbyqxmd.com/read/28506180/midterm-follow-up-of-treating-volar-marginal-rim-fractures-with-variable-angle-lcp-volar-rim-distal-radius-plates
#13
Chul Ki Goorens, Stijn Geeurickx, Pascal Wernaers, Barbara Staelens, Thierry Scheerlinck, Jean Goubau
BACKGROUND: Specific treatment of the volar marginal rim fragment of distal radius fractures avoids occurance of volar radiocarpal dislocation. Although several fixation systems are available to capture this fragment, adequately maintaining internal fixation is difficult. We present our experience of the first 10 cases using the 2.4 mm variable angle LCP volar rim distal radius plate (Depuy Synthes®, West Chester, US), a low-profile volar rim-contouring plate designed for distal plate positioning and stable buttressing of the volar marginal fragment...
June 2017: Journal of Hand Surgery Asian-Pacific Volume
https://www.readbyqxmd.com/read/28481956/tibial-revision-knee-arthroplasty-with-metaphyseal-sleeves-the-effect-of-stems-on-implant-fixation-and-bone-flexibility
#14
Jan Nadorf, Stefan Kinkel, Simone Gantz, Eike Jakubowitz, J Philippe Kretzer
INTRODUCTION: Revision total knee arthoplasty often requires modular implants to treat bone defects of varying severity. In some cases, it may not be clear which module size and implant combination (e.g. sleeve and stem) should be chosen for a specific defect. When balancing implant stability and osseointegration against stress-shielding, it is important to choose an appropriate implant combination in order to match the given level of bone loss. Therefore, the necessity of stems in less extensive tibial defects and the advantage of different stems (lengths and stiffnesses) in combination with large metaphyseal sleeves on implant fixation and bone flexibility using a modular tibial revision knee system, were analyzed...
2017: PloS One
https://www.readbyqxmd.com/read/28462215/condylar-constrained-system-in-primary-total-knee-replacement-our-experience-and-literature-review
#15
Luigi Sabatini, Salvatore Risitano, Lorenzo Rissolio, Andrea Bonani, Francesco Atzori, Alessandro Massè
BACKGROUND: Constrained condylar knee (CCK) prosthesis are common used for revision surgery but can also help surgeons to improve implant stability in primary knee arthroplasty, in fact in severe knee arthrosis with serious deformity associated with a significant instability a more constrained articulation is required. With introduction of second generation of semi-constrained prosthesis, rate of complication is real decreased and a good survival rate and functional score results is showed...
March 2017: Annals of Translational Medicine
https://www.readbyqxmd.com/read/28458472/plating-of-pilon-fractures-based-on-the-orientation-of-the-fibular-shaft-component-a-biomechanical-study-evaluating-plate-stiffness-in-a-cadaveric-fracture-model
#16
Gennadiy A Busel, J Tracy Watson
OBJECTIVES: To evaluate mechanically superior method of pilon fracture fixation by comparing axial stiffness between anterolateral and medial tibial locking plates in a cadaveric fracture model. METHODS: Eight matched pairs of fresh frozen cadaver specimens (lower limb after through-knee disarticulation) were used to eliminate confounder of bone quality. Simulated pilon fractures were created so that each pair represented either varus or valgus fracture pattern (AO 43-A2) with associated fibular fractures (transverse or comminuted)...
June 2017: Journal of Orthopaedics
https://www.readbyqxmd.com/read/28442856/functional-outcome-of-fixation-of-complex-intra-articular-distal-radius-fractures-with-a-variable-angle-distal-radius-volar-rim-plate
#17
M Spiteri, W Ng, J Matthews, D Power
Aim To evaluate the outcome of these complex fractures using a volar approach and the DePuy Synthes variable-angle 2.4-mm distal radius rim plate. This plate is precontoured to the volar rim for placement distal to the watershed line allowing purchase of the rim fragment of the lunate facet. Its low profile and smooth edges are designed to minimize flexor tendon irritation. Method We report on a consecutive series of far distal AO-23B3 and AO-23C3 fractures treated using this plate in a tertiary hand center between November 2011 and May 2014...
April 2017: Journal of Hand and Microsurgery
https://www.readbyqxmd.com/read/28432457/outcome-and-revision-rate-of-uncemented-glenohumeral-resurfacing-c-a-p-after-5-8%C3%A2-years
#18
P C Geervliet, M P J van den Bekerom, P Spruyt, M Curvers, A van Noort, C P J Visser
BACKGROUND: Resurfacing of the glenohumeral joint for patients with glenohumeral arthritis has gained popularity since the first introduction. We report the mid-term results of the Global C.A.P. uncemented resurfacing shoulder prosthesis (DePuy Synthes). METHODS: From January 2007 to December 2009, 48 humeral cementless resurfacing prostheses in 46 patients were performed. All patients were diagnosed with primary glenohumeral osteoarthritis. Patients were contacted for review; the Constant Score, visual analog pain scale, Dutch Simple Shoulder Test, SF-12 scores and physical examination were assessed both preoperatively and yearly postoperatively...
April 21, 2017: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/28416826/-surgical-technique-and-early-clinical-outcomes-of-direct-anterior-approach-to-total-hip-arthroplasty
#19
M Lv, J Q Zhang, X S Wang, Y Huang, W Li, C Y Zhang
OBJECTIVE: To describe the surgical technique of direct anterior approach to total hip arthroplasty and to report the early clinical outcomes. METHODS: A series of 100 consecutive, unselected patients who had 116 primary total hip arthroplasty surgeries (16 bilateral) done through direct anterior approach from March 11 2015 to June 21 2016 was reviewed. There were 50 male patients and 50 female patients. The average patient age was 51 years, and the average body mass index was 24...
April 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/28406908/considering-land-tenure-in-redd-participatory-measurement-reporting-and-verification-a-case-study-from-indonesia
#20
Mary Elizabeth Felker, Indah Waty Bong, Walker Holton DePuy, Lina Farida Jihadah
Measurement, Reporting, and Verification (MRV) systems are thought to be essential for effective carbon accounting and joint REDD+ carbon, conservation, and social development goals. Community participation in MRV (PMRV) has been shown to be both cost effective and accurate, as well as a method to potentially advance stakeholder empowerment and perceptions of legitimacy. Recognizing land tenure as a long-standing point of tension in REDD+ planning, we argue that its engagement also has a key role to play in developing a legitimate PMRV...
2017: PloS One
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