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https://www.readbyqxmd.com/read/29245099/total-bilateral-tmj-reconstruction-for-pain-and-dysfunction-case-report
#1
Carlos Vinícius Ayres Moreira, André Victor Pinto Serra, Larissa Oliveira Ramos Silva, Ana Carolina Fraga Fernandes, Roberto Almeida de Azevedo
INTRODUCTION: Temporomandibular disorders encompass a set of clinical conditions that affect the temporomandibular joint, the masticatory muscles and the associated tissues. Many therapeutic alternatives can be considered, being divided into non-invasive, minimally invasive and invasive interventions. This work aims to report a case of inflammatory joint pain and dysfunction treated with bilateral TMJ full reconstruction with alloplastic prosthesis stock. CASE REPORT: Patient D...
December 8, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/29245097/inverted-v-shaped-high-tibial-osteotomy-for-severe-tibia-vara-associated-with-turner-syndrome-a-case-report-and-review-of-literature
#2
Daisuke Abe, Satoshi Hamai, Ken Okazaki, Masato Yoshimoto, Takashi Komatsu, Yasuharu Nakashima
INTRODUCTION: Severe cases of genu varum represent a major challenge in obtaining normal configuration of the proximal tibia and overall limb alignment. PRESENTATION OF CASE: We performed inverted V-shaped high tibial osteotomy (HTO) by using a locking plate for recurrent severe bilateral tibia vara in a 15-year-old female patient with Turner syndrome. Preoperative medial proximal tibial angle (MPTA) and standing femorotibial angle (FTA) of the right/left legs were 67°/69° and 197°/203°, respectively...
December 8, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/29244700/conversion-of-glenohumeral-fusion-to-reverse-total-shoulder-arthroplasty-a-case-report
#3
C Brian Toney, Matthew J Thompson, Brandon J Barnes, N Douglas Boardman
CASE: A 41-year-old woman presented 5 years after glenohumeral arthrodesis. She experienced symptomatic relief following conversion to reverse total shoulder arthroplasty, regaining nearly full passive range of motion and >50% of normal active forward flexion, abduction, internal rotation, and external rotation. CONCLUSION: Conversion from glenohumeral arthrodesis to reverse total shoulder arthroplasty in a patient with a functioning deltoid and adequate bone stock may provide symptomatic relief and improved function in the setting of symptomatic glenohumeral arthrodesis refractory to conservative measures...
January 2017: JBJS Case Connector
https://www.readbyqxmd.com/read/29244698/restoration-of-humeral-bone-stock-two-years-after-internal-fixation-of-a-periprosthetic-fracture-with-a-loose-stem-a-report-of-two-cases
#4
Christian Fang, Chun-Hoi Yan, Dennis Yee, Tak-Wing Lau, Tak-Man Wong, Frankie Leung
CASE: We describe 2 patients who sustained a periprosthetic humeral fracture with a loosened long-stemmed Coonrad-Morrey total elbow prosthesis. As noted in the literature, the success rate for a major revision with use of strut grafts is around 70%; therefore, both cases were managed without revision of the prosthesis. A submuscular locking plate was placed following typical fracture fixation principles. Screws that interfered with the humeral stem and the distal flange stabilized both the distal fragment and the humeral stem...
January 2017: JBJS Case Connector
https://www.readbyqxmd.com/read/29239539/-fractures-of-the-distal-humerus-in-the-elderly-osteosynthesis-or-elbow-arthoplasty
#5
Diogo Vieira Cardoso, Gregory Cunningham
With an aging population, distal humerus fractures are becoming an emerging problem. Whereas open reduction and internal fixation has been the treatment of choice, results have not been as conclusive in elderly patients. Over two thirds of the cases in this population present with a highly comminuted articular fracture and poor bone stock, jeopardizing the quality and stability of the construct. Total elbow arthroplasty has gained popularity in the treatment of such fractures, and has shown higher results in terms of pain, function, and patient satisfaction...
December 13, 2017: Revue Médicale Suisse
https://www.readbyqxmd.com/read/29238639/the-use-of-vacuum-dressings-for-dead-space-management-in-deep-surgical-site-infections-allows-implant-and-bone-graft-retention
#6
James P Watt, Robert N Dunn
Study Design: Retrospective, descriptive study. Objectives: Managing early surgical site infection following elective lumbar spine surgery remains a challenge with controversy regarding retention of instrumentation and bone graft. Wound closure may also pose considerable challenges. We aim to report on our method of managing deep surgical site infections complicating elective spine surgery with surgeon assembled deep vacuum dressings. Identification of causative organisms with their sensitivities was a secondary objective...
December 2017: Global Spine Journal
https://www.readbyqxmd.com/read/29232186/cemented-or-cementless-total-knee-arthroplasty-comparative-results-of-200-cases-at-a-minimum-follow-up-of-11-years
#7
Jean-Louis Prudhon, Régis Verdier
INTRODUCTION: Since 1996 we have been using cementless fixation with hydroxyapatite (HA) coating. The purpose of this paper is to compare survivorship of a series of 100 cemented Total Knee Arthroplasty (TKA) to a similar series of 100 cementless with a follow up of 11-16 years. Material methods: Both TKA are mobile bearing total knee postero-stabilized. They can be used with cement or without cement. Among 1030 New Wave TKATM implanted from 2002 to 2015 we have identified 100 cemented TKAs and 100 cementless TKAs...
2017: SICOT-J
https://www.readbyqxmd.com/read/29222580/-use-of-antibiotics-in-bones-prophylaxis-and-current-treatment-standards
#8
REVIEW
L Frommelt
BACKGROUND: Treatment of bone infection is difficult due the systemic administration of antibiotics, which means that only low concentrations reach the inflamed bone tissue. Loss of bone stock is common in osteomyelitis and device associated infection. Local antibiotics are administered in several ways for prophylactic purposes and also for treatment of bone infection. We intend to show the options and limitations of clinical use of antibiotic-loaded bone grafts. SUITABILITY: Bone grafts are a suitable carrier system for antibiotics...
December 8, 2017: Der Orthopäde
https://www.readbyqxmd.com/read/29209662/prehistoric-women-s-manual-labor-exceeded-that-of-athletes-through-the-first-5500-years-of-farming-in-central-europe
#9
Alison A Macintosh, Ron Pinhasi, Jay T Stock
The intensification of agriculture is often associated with declining mobility and bone strength through time, although women often exhibit less pronounced trends than men. For example, previous studies of prehistoric Central European agriculturalists (~5300 calibrated years BC to 850 AD) demonstrated a significant reduction in tibial rigidity among men, whereas women were characterized by low tibial rigidity, little temporal change, and high variability. Because of the potential for sex-specific skeletal responses to mechanical loading and a lack of modern comparative data, women's activity in prehistory remains difficult to interpret...
November 2017: Science Advances
https://www.readbyqxmd.com/read/29208310/equivalent-mortality-and-complication-rates-following-periprosthetic-distal-femur-fractures-managed-with-either-lateral-locked-plating-or-a-distal-femoral-replacement
#10
Jason S Hoellwarth, Mitchell S Fourman, Lawrence Crossett, Mark Goodman, Peter Siska, Gele B Moloney, Ivan S Tarkin
INTRODUCTION: Management of distal femur fractures above total knee arthroplasty (TKA) remains challenging. Two common surgical options are locked lateral plating (LLP) and distal femoral arthroplasty (DFR). Unfortunately, approximately 30-50% of patients may die within one year of injury, require further surgery, or not regain prior mobility performance. We compared 87 LLP to 53 DFR patients - to our knowledge the largest comparative study - focusing on 90- and 365-day mortality, mobility maintenance, and further surgery...
December 1, 2017: Injury
https://www.readbyqxmd.com/read/29204499/variance-in-predicted-cup-size-by-2-dimensional-vs-3-dimensional-computerized-tomography-based-templating-in-primary-total-hip%C3%A2-arthroplasty
#11
Feroz A Osmani, Savyasachi Thakkar, Austin Ramme, Ameer Elbuluk, Paul Wojack, Jonathan M Vigdorchik
Background: Preoperative total hip arthroplasty templating can be performed with radiographs using acetate prints, digital viewing software, or with computed tomography (CT) images. Our hypothesis is that 3D templating is more precise and accurate with cup size prediction as compared to 2D templating with acetate prints and digital templating software. Methods: Data collected from 45 patients undergoing robotic-assisted total hip arthroplasty compared cup sizes templated on acetate prints and OrthoView software to MAKOplasty software that uses CT scan...
December 2017: Arthroplasty Today
https://www.readbyqxmd.com/read/29204494/a-classification-based-approach-to-the-patella-in-revision-total-knee-arthroplasty
#12
Matthew W Tetreault, Christopher E Gross, Paul H Yi, Daniel D Bohl, Scott M Sporer, Craig J Della Valle
Background: There is a paucity of data to guide management of the patella in revision total knee arthroplasty (RTKA). The purpose of this study was to review our experience with patellar management in RTKA. Methods: We retrospectively reviewed 422 consecutive RTKAs at a minimum of 2 years (mean, 42 months). Patellar management was guided by a classification that considered stability, size, and position of the implanted patellar component, thickness/quality of remaining bone stock, and extensor mechanism competence...
December 2017: Arthroplasty Today
https://www.readbyqxmd.com/read/29204491/a-simple-technique-to-remove-well-fixed-acetabular-components-in-revision-of-total-hip-arthroplasty
#13
Xiaoqi Zhang, Fei Hu, Rui He, Xu Li, Xiaofeng Ji, Xifu Shang
Removing well-fixed acetabular components can be a challenge for orthopaedic surgeons in revision of total hip arthroplasty. Acetabular bone loss, fracture, and other complications occurred in extracting implants may result in instability and fail of revision. Thus, instruments are developed to avoid such complications. We report a simple technique by drilling a tunnel on the superolateral quadrant of acetabulum and using an offset staff to remove acetabular components without many matching units. The procedure of removing well-fixed acetabular components is a simple, efficient, inexpensive, bone stock preserving technique...
December 2017: Arthroplasty Today
https://www.readbyqxmd.com/read/29198812/the-effect-of-a-radial-neck-notch-on-press-fit-stem-stability-a-biomechanical-study-on-7-cadavers
#14
Dave R Shukla, Dipit C Sahu, James S Fitzsimmons, Kai-Nan An, Shawn W O'Driscoll
BACKGROUND: Minimal micromotion is necessary for osteointegration of cementless radial head prostheses. When radial head fractures extend longitudinally, where the neck cut for prosthetic replacement should be made is uncertain. We hypothesized that complete resection of the notched portion of a radial neck confers no advantage in initial stability compared with not resecting the defect and inserting the implant into a notched radial neck. MATERIALS AND METHODS: The radii of 7 cadavers underwent radial head resection and implantation with a 25-mm-long press-fit radial head stem...
November 29, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/29178044/periprosthetic-bone-remodelling-of-short-stem-total-hip-arthroplasty-a-systematic-review
#15
REVIEW
Shuang G Yan, Patrick Weber, Arnd Steinbrück, Xingyi Hua, Volkmar Jansson, Florian Schmidutz
PURPOSE: Short-stem hip arthroplasty (SHA) was designed to preserve bone stock and provide an improved load transfer. To gain more evidence regarding the load transfer, this review analysed the periprosthetic bone remodelling of SHA in comparison to standard hip arthroplasty (THA). METHODS: PubMed and ScienceDirect were screened to extract dual-energy X-ray absorptiometry (DXA) studies evaluating the periprosthetic bone remodelling of SHA and two proven THA designs...
November 27, 2017: International Orthopaedics
https://www.readbyqxmd.com/read/29177774/surgical-treatment-of-periprosthetic-femoral-fractures-a-retrospective-study-with-functional-and-radiological-outcomes-from-2010-to-2016
#16
Gaetano Caruso, Lorenzo Milani, Tedi Marko, Vincenzo Lorusso, Mattia Andreotti, Leo Massari
BACKGROUND: The treatment of periprosthetic femoral fractures is a great challenge for the orthopedic surgeon and requires a knowledge of bone fracture fixation as well as skills and experience in revision surgery. The aim of this retrospective study was to evaluate the functional and radiological outcomes of periprosthetic femoral fractures surgically treated in our department from 2010 to 2016. MATERIALS AND METHODS: This study involved 73 patients with a periprosthetic femoral fracture after total hip arthroplasty or hemiarthroplasty...
November 25, 2017: European Journal of Orthopaedic Surgery & Traumatology: Orthopédie Traumatologie
https://www.readbyqxmd.com/read/29172300/clinical-and-radiographic-short-mid-term-outcomes-of-primary-total-stabilizer-knee-arthroplasty
#17
E Bonicoli, N Piolanti, M Giuntoli, S Polloni, G Ciapini, P D Parchi, M Scaglione
A successful Total Knee Arthroplasty (TKA) requires stability, but rarely in primary TKA, a prosthesis with more constraint than a posterior-stabilizer (PS) is necessary. In patients with severe varus/valgus deformities with incompetent collateral ligaments or in knees that cannot be adequately balanced after ligaments release, a total-stabilizer (TS) prosthesis may be required. The purpose of our retrospective study is to evaluate clinical and radiographic outcomes at short mid-term follow-up in patients treated with a TS TKA...
October 2017: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/29158650/partial-humeral-replacement-for-peri-prosthetic-fractures-of-the-humerus
#18
Ruben Manohara, Colin R Howie
Introduction: Treating peri-prosthetic fractures of the humerus can be very challenging, especially when there is poor bone stock and in the presence of adjacent joint prostheses. We discuss the option of a partial humeral replacement as a salvage procedure for such cases with some technical comments. Methods: This paper presents a technique which utilises a custom- made cemented connector to incorporate the existing well functioning elbow or shoulder replacement with a commercially available partial humeral replacement (PHR) or to an existing prosthetic humeral stem...
November 2017: Journal of Clinical Orthopaedics and Trauma
https://www.readbyqxmd.com/read/29145011/preparation-of-morselised-bone-for-impaction-grafting-using-a-blender-method
#19
Mark Ruddy, David P FitzPatrick, Kenneth T Stanton
Impaction bone grafting is a method of restoring bone stock to patients suffering significant bone loss due to revision total hip surgery. The procedure requires morselised bone (MB) to be impacted into the site of bone loss in order to stabilise the prosthesis with the aim of the long term resorption and reintegration of the impacted bone graft. Currently, the method for producing MB requires the use of expensive surgical bone mills or manually-intensive rongeurs that can produce a limited variety of particle sizes and may have a low throughput...
November 9, 2017: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/29145010/the-use-of-hardened-bone-cement-as-an-impaction-grafting-extender-for-revision-hip-arthroplasty
#20
Mark Ruddy, David P FitzPatrick, Kenneth T Stanton
Impaction bone grafting is a method of restoring bone stock to patients who have suffered significant bone loss due to revision total hip surgery. The procedure requires morsellised cancellous bone (MCB) to be impacted into the site of bone loss in order to stabilise the prosthesis with the aim of long term resorption and reintegration of the impacted bone graft. Due to financial cost and the potential to transmit disease, the use of supplementary material, known as an extender, is frequently used to increase the graft material volume...
November 13, 2017: Journal of the Mechanical Behavior of Biomedical Materials
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