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https://www.readbyqxmd.com/read/29145281/cup-revision-involving-retention-of-a-fixed-but-malpositioned-acetabular-component-in-patients-with-poor-general-conditions
#1
Weiping Su, Min Zeng, Yihe Hu, Jianxi Zhu, Long Wang, Jie Xie
This study evaluated the surgical technique and outcomes of cup revision involving retention of a fixed but malpositioned acetabular component in patients with poor general conditions.Between 2007 and 2013, we performed cup revision on 12 hips while retaining a fixed (either cemented or uncemented) but malpositioned acetabular component. Indications for this technique were: malpositioned but fixed acetabular shell; sufficient space for the insertion of the prosthesis; and patients with poor general conditions...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29145011/preparation-of-morselised-bone-for-impaction-grafting-using-a-blender-method
#2
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
#3
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
https://www.readbyqxmd.com/read/29141360/-total-hip-arthroplasty-in-patients-with-psoriatic-arthritis
#4
Y Li, X S Weng, J Lin, J Jin, W W Qian
Objective: To evaluate the clinical efficacy of Total hip arthroplasty (THA) in treating the hip joint involvement of Psoriatic arthritis (PsA). Methods: From January 2005 to December 2016, a total of 15 PsA patients (20 hip joints) underwent THA in Department of Orthopaedics, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College. All the patients had obvious restriction in daily life before operation. The mean Harris score was 25.2 averagely and the mean total range of the hip joint movement was 39...
November 7, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/29139194/advantages-of-care-for-patients-with-hip-fractures-in-the-acute-geriatric-unit-hip-study-anoia
#5
Enric Duaso, Francesc Formiga, Patrícia Marimón, Montserrat Sandiumenge, Maria Teresa Salgado, Victor Murga, Andrés Gamboa, Carlos Rodriguez, Jaume Castellà, Enrique Escalante, Célia Lumbreras, Anna Tarrida, Ramón Sellarès
AIM: Hip fracture as a result of bone fragility is characterized by poor health outcomes in the medium and long term. Our goal was to compare a new orthogeriatric model with the old trauma model and evaluate improvements in clinical management. METHODS: We carried out a comparative unicentric study, a historical sample (trauma model) collected from 1 June 2007 to 31 May 2010, versus a prospective sample (orthogeriatric model) collected from 1 June 2010 until 31 May 2013...
November 15, 2017: Geriatrics & Gerontology International
https://www.readbyqxmd.com/read/29138696/use-of-common-inflammatory-markers-in-the-long-term-screening-of-total-hip-arthroprosthesis-infections-our-experience
#6
Gabriele Falzarano, Antonio Piscopo, Predrag Grubor, Giuseppe Rollo, Antonio Medici, Valerio Pipola, Michele Bisaccia, Auro Caraffa, Elizabeth Mary Barron, Francesco Nobile, Raffaele Cioffi, Luigi Meccariello
Orthopedic implants have become essential components of modern medicine. The risk of infection of total hip arthroplasty (THA) is 1.5%-2%. Are the C-reactive protein (CRP), the erythrocyte sedimentation rate (ESR), and procalcitonin (PCT) good markers for THA infection screenings? From February 2009 to December 2012 at our Department of Orthopedics and Traumatology, 1248 patients were treated with THA. No prosthesis was cemented. All patients received antibiotic prophylaxis. All patients were discharged approximately 7...
2017: Advances in Orthopedics
https://www.readbyqxmd.com/read/29113670/primary-arthroplasty-in-healed-osteoarticular-allograft-in-patients-with-history-of-primary-femoral-bone-tumors
#7
Bianca M Verbeek, Courtney L Kaiser, Nuno Rui Paulino Pereira, Francis J Hornicek, Kevin A Raskin, Joseph H Schwab, Santiago A LozanoCalderón
BACKGROUND: Roughly 25-35% of patients who are treated with osteoarticular allograft for primary bone sarcomas or aggressive benign bone tumors require surgery in the long-term due to degenerative changes of the articular surface of the allograft. There are three established methods of reconstruction for this complication; a total hip arthroplasty (THA) or total knee arthroplasty (TKA) in the retained osteoarticular allograft, a proximal or distal endoprosthesis after removal of the allograft, and an allograft-prosthesis composite (APC)...
December 2017: Surgical Oncology
https://www.readbyqxmd.com/read/29108793/when-does-the-knee-feel-normal-again-a-cross-sectional-study-assessing-the-forgotten-joint-score-in-patients-after-total-knee-arthroplasty
#8
Victor R Carlson, Zachary D Post, Fabio R Orozco, Destiny M Davis, Rex W Lutz, Alvin C Ong
BACKGROUND: The forgotten joint score (FJS) is a recent scoring system that assesses how natural the prosthesis feels after total joint arthroplasty. Although the FJS has been extensively applied in populations with total hip prosthetics, less is known about the patients undergoing total knee arthroplasty (TKA). The purpose of this study is to investigate the temporal relationship between TKA and the FJS. METHODS: We evaluated 566 patients after TKA using the FJS questionnaire...
October 7, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/29105561/failure-of-an-accis-metal-on-metal-hip-resurfacing-prosthesis-a-case-report
#9
Martin C Bone, Andrew Naylor
The introduction of coatings on joint replacements was intended to reduce wear volumes, prevent corrosion and reduce metal ion release. However, retrieval analysis to confirm their in vivo performance has been limited. The aim of study was to examine the coating on a retrieved hip prosthesis to determine whether substantial damage or wear had occurred. A single advanced ceramic-coated implant systems titanium niobium nitride-coated hip resurfacing prosthesis was retrieved for examination. Wear volumes and surface roughness were measured to quantify the damage to the articulating surfaces...
November 1, 2017: Proceedings of the Institution of Mechanical Engineers. Part H, Journal of Engineering in Medicine
https://www.readbyqxmd.com/read/29100185/numerical-evaluation-of-bone-remodelling-and-adaptation-considering-different-hip-prosthesis-designs
#10
Ievgen Levadnyi, Jan Awrejcewicz, José Eduardo Gubaua, Jucélio Tomás Pereira
BACKGROUND: The change in mechanical properties of femoral cortical bone tissue surrounding the stem of the hip endoprosthesis is one of the causes of implant instability. We present an analysis used to determine the best conditions for long-term functioning of the bone-implant system, which will lead to improvement of treatment results. METHODS: In the present paper, a finite element method coupled with a bone remodelling model is used to evaluate how different three-dimensional prosthesis models influence distribution of the density of bone tissue...
October 18, 2017: Clinical Biomechanics
https://www.readbyqxmd.com/read/29083348/cementless-knee-arthroplasty
#11
Lorenzo Ponziani, Francesco Di Caprio, Renato Meringolo
Total knee replacement is a common treatment for advanced knee osteoarthritis. The most common and widespread method is cemented arthroplasty. As in the prosthetic hip a gradual transition from cemented to uncemented fixation techniques occurred over time, increasing interest is growing also around cementless knee fixation, with the theoretical advantages of preserving the bone stock and obtaining a biological fixation avoiding cement fragmentation. On the basis of the actual knowledge, the uncemented knee prosthesis represents an interesting alternative especially for the patient under 65 years of age, with viable bone quality, in which a biological bone-prosthesis fixation is desirable, while avoiding the drawbacks of cement fragmentation and of the possible future revision of a cemented implant...
October 18, 2017: Acta Bio-medica: Atenei Parmensis
https://www.readbyqxmd.com/read/29076450/-clinical-outcome-complications-and-prosthesis-survival-in-patients-operated-with-hip-resurfacing-arthroplasty
#12
Ole Jakob Jørgensen, Baard Haaken Haakenstad, Ole Ovesen, Søren Overgaard
Hip resurfacing arthroplasty (RHA) was introduced as a superior alternative to the standard total hip arthroplasty (THA) in treating younger, more active patients. Early failure associated with adverse reactions to metal debris is now a known complication after hip resurfacing. There is no short-term difference in clinical outcome between patients operated with THA and RHA, and those operated with RHA are at greater risk of reoperation. Follow-up of patients having had RHA is recommended to follow national guidelines...
October 23, 2017: Ugeskrift for Laeger
https://www.readbyqxmd.com/read/29076029/bariatric-surgery-registries-can-they-contribute-to-improved-outcomes
#13
REVIEW
Wendy A Brown, Andrew D MacCormick, John J McNeil, Ian D Caterson
PURPOSE OF REVIEW: Clinical registries systematically collect prospective information about patients with a particular medical condition, who have had a medical device implanted or who have undergone a particular procedure. When these variables are collected with pre-defined quality indices included, the benched-marked risk-adjusted data may be a valuable resource for providing feedback on outcomes, including performance, to practitioners, patients, health services and device manufacturers...
October 26, 2017: Current Obesity Reports
https://www.readbyqxmd.com/read/29075808/the-kidney-liver-index-surgery-and-c-reactive-protein-score-is-a-predictor-of-treatment-response-in-acute-prosthetic-joint-infection
#14
C Jiménez-Garrido, J M Gómez-Palomo, I Rodriguez-Delourne, F J Durán-Garrido, E Nuño-Álvarez, E Montañez-Heredia
PURPOSE: This work seeks to verify the utility of the KLIC score as a predictor of treatment success or failure in patients with knee and hip acute prosthetic joint infections (APJI). These patients were treated in our centre, which is not a prosthetic joint infection reference centre. The KLIC score assesses factors such as chronic kidney failure (2 points) (Kidney), liver disease (1.5 points) (Liver), revision surgery or femoral neck fracture (1.5 points)and cemented prosthesis (2 points) (Index surgery) and a C-reactive protein level (CRP) greater than 11...
October 26, 2017: International Orthopaedics
https://www.readbyqxmd.com/read/29067042/a-clinical-study-on-arthroplasty-for-failed-internal-fixation-of-hip-fractures-and-review-of-literature
#15
Feng Mingli, Shen Huiliang, Cao Guanglei, Li Zheng, Lu Shibao, Liu Limin, An Shuai
BACKGROUND & OBJECTIVE: Hip fracture is common osteoporotic fracture associated sometimes with failed internal fixation. Joint replacement is commonly used to salvage failed internal fixation of hip fractures (FIFHF). Our objective was to present the outcome of Arthroplasty after FIFHF in our patients. METHODS: A prospective analysis was made on consecutive patients who underwent prosthetic replacements for FIFHF in Orthopaedics Department of Xuanwu Hospital between June 2012 and January 2015...
July 2017: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/29060129/imu-based-real-time-pose-measurement-system-for-anterior-pelvic-plane-in-total-hip-replacement-surgeries
#16
Zhe Cao, Shaojie Su, Hao Tang, Yixin Zhou, Zhihua Wang, Hong Chen
With the aging of population, the number of Total Hip Replacement Surgeries (THR) increased year by year. In THR, inaccurate position of the implanted prosthesis may lead to the failure of the operation. In order to reduce the failure rate and acquire the real-time pose of Anterior Pelvic Plane (APP), we propose a measurement system in this paper. The measurement system includes two parts: Initial Pose Measurement Instrument (IPMI) and Real-time Pose Measurement Instrument (RPMI). IPMI is used to acquire the initial pose of the APP, and RPMI is used to estimate the real-time pose of the APP...
July 2017: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/29058079/extended-trochanteric-osteotomy-eto-fixation-for-femoral-stem-revision-in-periprosthetic-fractures-dall-miles-plate-versus-cables
#17
Gerard A Sheridan, Adam Galbraith, Stephen R Kearns, William Curtin, Colin G Murphy
BACKGROUND: Extended trochanteric osteotomy (ETO) is a well-established surgical technique used for femoral stem retrieval in revision hip arthroplasty procedures. Fixation of ETO is commonly achieved through wire, cable or cable-plate fixation. No evidence exists to date to suggest which method is superior when used in an acute traumatic setting. METHODS: Thirty cases of acute periprosthetic fracture requiring femoral stem revision with an ETO were identified over a 10-year period...
October 20, 2017: European Journal of Orthopaedic Surgery & Traumatology: Orthopédie Traumatologie
https://www.readbyqxmd.com/read/29051875/undisplaced-intraoperative-fracture-presenting-as-early-dislocation-with-tapered-wedge-stems-in-total-hip-arthroplasty-case-series-and-review-of-literature
#18
A V Gurava Reddy, Krishna Kiran Eachempati, Aakash Mugalur, A Suchinder, V B N Prasad Rao, Nalanda Kamurukuru
INTRODUCTION: Periprosthetic fractures and dislocation in the early post-operative period can be disastrous both for the surgeon and the patient. However, undisplaced periprosthetic fractures presenting with dislocation is uncommon. We describe successful management of two cases (one bilateral dislocation and one unilateral dislocation) of undisplaced iatrogenic fractures in total hip arthroplasty (THA) presenting as early dislocation. CASE REPORT: Case 1 was a 45-year-old female with osteoarthritis of hip secondary to developmental dysplasia of the hip with bilateral early nontraumatic dislocation with bilateral identical periprosthetic fracture...
May 2017: Journal of Orthopaedic Case Reports
https://www.readbyqxmd.com/read/29050162/-two-stage-total-hip-arthroplasty-using-an-antibiotic-loaded-cement-spacer-for-infected-internal-fixation-of-hip-fractures
#19
X Li, M Ni, H Li, J L Song, X G Song, J Fu, K Liu, B Z Yu, J Y Chen
Objective: To evaluate the application and clinical results of two-stage total hip arthroplasty in the treatment of the deep hip infection following the internal fixation of hip fractures. Methods: From May 2007 to November 2014, 21 patients with active hip infection secondary to internal fixation of hip fractures were treated with two-stage total hip arthroplasty using a temporary antibiotic-loaded cement spacers. Of 21 cases, 15 were males and 6 were females, aged from 27 to 64 years (mean, 45); there are 18 cases of femoral neck fractures and 3 cases of intertrochanteric fractures...
October 10, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/29049224/primary-stability-in-total-hip-replacement-a-biomechanical-investigation
#20
Paul Schmitz, Boyko Gueorguiev, Ivan Zderic, Christian Pfeifer, Michael Nerlich, Stephan Grechenig
BACKGROUND: In total hip replacement (THR), it is essential to achieve a primary stability to guarantee good long-term results. A novel locking screw hip (LSH)-stem, anchored to the medial cortex of the proximal femur by 5 monocortical locking screws, was developed to overcome the shortcomings of uncemented press-fit and cemented straight stems while simultaneously achieving primary stability. The aim of this study was to investigate the biomechanical competence of the LSH-stem in comparison to an uncemented press-fit stem...
October 2017: Medicine (Baltimore)
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