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https://www.readbyqxmd.com/read/28444585/corr-insights-%C3%A2-prediction-of-polyethylene-wear-rates-from-gait-biomechanics-and-implant-positioning-in-total-hip-replacement
#1
Stephen Li
No abstract text is available yet for this article.
April 25, 2017: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/28442161/zurich-cementless-total-hip-replacement
#2
REVIEW
David Hummel
Total hip replacement (THR) is the gold standard treatment of intractable pain from hip dysplasia. THR procedures are divided into 2 main categories: cemented and cementless, with hybrid a combination. The Zurich Cementless THR system uses a combination of press-fit (acetabular component) and locking screw (femoral component) fixation designed to address the main challenge facing cemented systems (aseptic loosening) while providing the benefit of immediate stability with its novel locking screw implantation system for the femoral stem...
April 22, 2017: Veterinary Clinics of North America. Small Animal Practice
https://www.readbyqxmd.com/read/28439446/thoracic-unilateral-spinal-cord-injury-after-spinal-anaesthesia-for-total-hip-replacement-fate-or-mistake
#3
Costa Fabio, Del Buono Romualdo, Agrò Felice Eugenio, Tambone Vittoradolfo, Vitali Andrea Massimiliano, Ricci Giovanna
Spinal anaesthesia is the most preffered anesthesia technique for total hip replacement, and its complications range from low entity (insignificant) to life threatening. The incidence of neurologic complications after neuraxial anaesthesia is not perfectly clear, although there are several described cases of spinal cord ischaemia. We present a case of unilateral T8-T11 spinal cord ischaemia following L2-L3 spinal anaesthesia for total hip replacement. Magnetic resonance imaging showed a hyperintense T8-T11 signal alteration on the leftside of paramedian spinal cord...
April 2017: Turkish Journal of Anaesthesiology and Reanimation
https://www.readbyqxmd.com/read/28436374/factors-influencing-treatment-of-proximal-femoral-fractures
#4
Sławomir Dudko, Paweł Kosior, Damian Kusz, Anna Wagner, Marcin Kusz, Karolina Godyń
BACKGROUND: Orthopaedics and traumatology departments are dominated by patients with proximal femoral fractures, who represent 20-30% of all patients treated there. The aim of this study was identification and evaluation of factors influencing treatment of proximal femoral fractures. MATERIAL AND METHODS: Between 2008 and 2015, we treated 424 femoral neck fractures and 442 trochanteric fractures in patients over 40 y/o. The impact of fracture location (femoral neck/trochanteric), character (non-displaced/displaced) and the patient's general condition (metrical/biological age, health condition) on qualification and treatment used (fixations/hip pro-sthesis/non-operative) was analyzed...
January 26, 2017: Ortopedia, Traumatologia, Rehabilitacja
https://www.readbyqxmd.com/read/28435566/functional-outcome-of-bipolar-prosthesis-versus-total-hip-replacement-in-the-treatment-of-femoral-neck-fracture-in-elderly-patients
#5
R Shukla, M Singh, R K Jain, P Mahajan, R Kumar
INTRODUCTION: The present study was performed to compare cemented total hip replacement (THR) with cemented bipolar prosthesis in the treatment of displaced fracture neck of femur in elderly patients. MATERIALS AND METHODS: This prospective study included 47 patients of greater than 60 years of age and having fracture of neck of femur, out of which 25 patients were managed by cemented bipolar prosthesis and remaining 22 were managed by cemented THR between June 2011 and June 2013...
March 2017: Malaysian Orthopaedic Journal
https://www.readbyqxmd.com/read/28431409/outcomes-of-hemiarthroplasty-and-total-hip-arthroplasty-for-femoral-neck-fracture-a-medicare-cohort-study
#6
Zhong Wang, Timothy Bhattacharyya
OBJECTIVES: For patients with femoral neck fractures, total hip arthroplasty (THA) demonstrates superior outcomes compared with hemiarthroplasty. However, hemiarthroplasty remains a common treatment for femoral neck fractures and the conversion rates are unknown. We compared the results of the 2 procedures using a Medicare database. METHODS: We assembled a cohort of 70,242 patients 65 to 90 years of age with an ICD9 diagnosis and matching Current Procedure Terminology code for femoral neck fracture between 2008 and 2012...
May 2017: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/28416827/-comparison-of-the-effects-of-total-hip-arthroplasty-via-direct-anterior-approach-and-posterolateral-piriformis-sparing-approach
#7
J Xu, W D Zhuang, X W Li, G Y Yu, Y Lin, F Q Luo, Y H Xiao
OBJECTIVE: To compare the clinical effects of direct anterior approach (DAA) and posterolateral piriformis-sparing approach (Mis-PLA) for minimally invasive surgery of total hip arthroplasty. METHODS: The patients who had total hip arthroplasty from March 2015 to February 2016 were randomly divided into 2 groups: DAA group and Mis-PLA group. In the study, 43 patients (45 hips) were performed with total hip replacement via the direct anterior approach (DAA group)...
April 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/28399883/role-of-self-efficacy-and-social-support-in-short-term-recovery-after-total-hip-replacement-a-prospective-cohort-study
#8
Espen Andreas Brembo, Heidi Kapstad, Sandra Van Dulmen, Hilde Eide
BACKGROUND: Despite the overall success of total hip replacement (THR) in patients with symptomatic osteoarthritis (OA), up to one-quarter of patients report suboptimal recovery. The aim of this study was to determine whether social support and general self-efficacy predict variability in short-term recovery in a Norwegian cohort. METHODS: We performed secondary analysis of a prospective multicenter study of 223 patients who underwent THR for OA in 2003-2004. The total score of the Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC) at 3 months after surgery was used as the recovery variable...
April 11, 2017: Health and Quality of Life Outcomes
https://www.readbyqxmd.com/read/28393608/comparative-study-of-material-loss-at-the-taper-interface-in-retrieved-metal-on-polyethylene-and-metal-on-metal-femoral-components-from-a-single-manufacturer
#9
Paul Bills, Radu Racasan, Saugatta Bhattacharya, Liam Blunt, Graham Isaac
There have been a number of reports on the occurrence of taper corrosion and/or fretting and some have speculated on a link to the occurrence of adverse local tissue reaction specifically in relation to total hip replacement which have a metal-on-metal bearing. As such a study was carried out to compare the magnitude of material loss at the taper in a series of retrieved femoral heads used in metal-on-polyethylene bearings with that in a series of retrieved heads used in metal-on-metal bearings. A total of 36 metal-on-polyethylene and 21 metal-on-metal femoral components were included in the study all of which were received from a customer complaint database...
April 1, 2017: Proceedings of the Institution of Mechanical Engineers. Part H, Journal of Engineering in Medicine
https://www.readbyqxmd.com/read/28390755/persistent-noise-after-ceramic-on-ceramic-total-hip-replacement-due-to-bearing-coupling-size-mismatch-a-case-report
#10
Chee-Ken Chan, Dong-Hyun Lee, Taek-Rim Yoon, Kyung-Soon Park
No abstract text is available yet for this article.
April 5, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28390287/influence-of-the-fixation-region-of-a-press-fit-hip-endoprosthesis-on-the-stress-strain-state-of-the-bone-implant-system
#11
Ievgen Levadnyi, Jan Awrejcewicz, Márcio Fagundes Goethel, Alexander Loskutov
Although significant progress has been made in the development of total hip replacement, behaviour of the femoral component of an endoprosthesis in relation to the type of its fixation in the bone is still not fully understood. In this paper, behaviour of the femoral bone and the stem prosthesis is studied taking into account different types of prosthesis fixation in the medullary canal of the femur under the action of functional loads. For an analysis, a three-dimensional model of a femur has been developed based on the results of a computed tomography...
April 2, 2017: Computers in Biology and Medicine
https://www.readbyqxmd.com/read/28390166/application-of-navigated-ultrasound-for-assessment-of-the-anterior-pelvic-plane-in-patients-with-degenerative-hip-diseases
#12
Andrzej Kochman, Adrian Goral, Tobias Martin, Wojciech Marek, Josef Kozak, Monika Morawska-Kochman, Marek Synder
OBJECTIVES: Correct positioning of the acetabular cup is the key for successful total-hip replacement. In common clinical practice, the target alignment of the cup is defined with respect to the anterior pelvic plane. In patients with substantial anterior pelvic plane inclination, this condition may lead to inappropriate distribution of the load on the cup, as most of the forces exerted within the hip joint act along the vertical axis. With the known pelvic inclination, it is possible to readjust the position of the cup with respect to the individual posture of the patient...
April 8, 2017: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/28386028/evaluation-of-variables-influencing-success-and-complication-rates-in-canine-total-hip-replacement-results-from-the-british-veterinary-orthopaedic-association-canine-hip-registry-collation-of-data-2010-2012
#13
Elisabeth R Henderson, Andrew Wills, Andrew M Torrington, Andy P Moores, David Thomson, Gareth Arthurs, Gordon Brown, Hamish R Denny, Harry W Scott, Ian MacQueen, James Dunne, Jeremy Onyett, John D Walker, John Prior, Martin R Owen, Neil Burton, Richard Whitelock, Sarah Girling, Shane Morrison, Simon Gilbert, Sorrel J Langley-Hobbs, Toby J Gemmill, Christoph K Störk, Steve Bright, Eithne Comerford, Rob Pettitt, Nick Macdonald, John F Innes
The objective of this study was to assess the variables associated with complications of total hip replacement (THR) and report owner-assessed outcomes. Entries into the British Veterinary Orthopaedic Association-Canine Hip Registry (BVOA-CHR) between September 2011 and December 2012 were reviewed separately and in conjunction with previous data (January 2010-August 2011). An outcomes assessment questionnaire was used to collect data from owners. Incidences of surgeon-reported and owner-reported complications were 8...
April 6, 2017: Veterinary Record
https://www.readbyqxmd.com/read/28377835/basic-features-and-clinical-applicability-of-preliminary-universal-surgical-invasiveness-score-pusis-a-multi-centre-pilot-study
#14
Peter Biro, Luc Sermeus, Radmilo Jankovic, Nenad Savić, Adela Hilda Onuţu, Daniela Ionescu, Daniela Godoroja, Gabriel Gurman
OBJECTIVE: There is still a lack of a universally applicable and comprehensive scoring system for documenting the invasiveness of surgical procedures. The proposed preliminary 'Universal Surgical Invasiveness Score' (pUSIS) is intended to fill this gap. METHODS: We used the recently developed pUSIS to obtain values from 8 types of surgery and 80 individual interventions. The results were analysed using descriptive statistical methods. The degree of difficulty on a scale from 0 (very easy) to 10 (extremely difficult) and time expenditures for assessing pUSIS were documented...
February 2017: Turkish Journal of Anaesthesiology and Reanimation
https://www.readbyqxmd.com/read/28375892/metal-artifact-reduction-sequence-mri-abnormalities-in-asymptomatic-patients-with-a-ceramic-on-polyethylene-total-hip-replacement
#15
Jason M Jennings, J Ryan Martin, Raymond H Kim, Charlie C Yang, Todd M Miner, Douglas A Dennis
BACKGROUND: Magnetic resonance imaging (MRI) is a commonly utilized screening modality in patients with a metal-on-metal (MoM) total hip replacement. The prevalence of clinically important fluid collections may be overestimated since these collections have been reported to occur in asymptomatic patients with MoM and other bearing surfaces. The purpose of this study was to determine the frequency and types of MRI-documented adverse local tissue reactions in asymptomatic patients with a ceramic-on-polyethylene (CoP) total hip replacement...
April 5, 2017: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/28375889/the-main-cause-of-death-following-primary-total-hip-and-knee-replacement-for-osteoarthritis-a-cohort-study-of-26-766-deaths-following-332-734-hip-replacements-and-29-802-deaths-following-384-291-knee-replacements
#16
Linda P Hunt, Yoav Ben-Shlomo, Michael R Whitehouse, Martyn L Porter, Ashley W Blom
BACKGROUND: Patients undergoing primary total joint replacement are selected for surgery and thus (other than having a transiently increased mortality rate postoperatively) have a lower mortality rate than age and sex-matched individuals do. Understanding the causes of death following joint replacement would allow targeted strategies to reduce the risk of death and optimize outcome. We aimed to determine the rates and causes of mortality for patients undergoing primary total hip or knee replacement compared with individuals in the general population who were matched for age and sex...
April 5, 2017: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/28373138/the-influence-of-spine-hip-relations-on-total-hip-replacement-a-systematic-review
#17
REVIEW
C Rivière, J-Y Lazennec, C Van Der Straeten, E Auvinet, J Cobb, S Muirhead-Allwood
Sagittal pelvic kinematics along with spino-pelvic angular parameters have recently been studied by numerous investigators for their effect on total hip replacement (THR) clinical outcomes, but many issue of spine-hip relations (SHR) are currently unexplored. Therefore, our review aims at clarifying the following questions: is there any evidence of a relationship between articular impingement/dislocation risk in primary THR and (1) certain sagittal pelvic kinematics patterns, (2) pelvic incidence, and (3) types of SHRs? A systematic review of the existing literature utilising PubMed and Google search engines was performed in January 2017...
April 1, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28371783/monocular-vision-and-imu-based-system-for-prosthesis-pose-estimation-during-total-hip-replacement-surgery
#18
Shaojie Su, Yixin Zhou, Zhihua Wang, Hong Chen
The average age of population increases worldwide, so does the number of total hip replacement surgeries. Total hip replacement, however, often involves a risk of dislocation and prosthetic impingement. To minimize the risk after surgery, we propose an instrumented hip prosthesis that estimates the relative pose between prostheses intraoperatively and ensures the placement of prostheses within a safe zone. We create a model of the hip prosthesis as a ball and socket joint, which has four degrees of freedom (DOFs), including 3-DOF rotation and 1-DOF translation...
March 30, 2017: IEEE Transactions on Biomedical Circuits and Systems
https://www.readbyqxmd.com/read/28368928/bilateral-avascular-necrosis-of-the-femoral-head-following-asynchronous-postictal-femoral-neck-fractures-a-case-report-and-review-of-the-literature
#19
K Venkatadass, M Avinash, S Rajasekaran
Bilateral avascular necrosis (AVN) following postictal bilateral fracture neck of the femur is a rare occurrence. Here, we report a case of bilateral AVN of the femoral head following an asynchronous bilateral postictal fracture neck of the femur. A 16-year-old autistic boy presented with left hip pain following an episode of seizures and radiographs showed Delbet type II fracture neck of the left femur. This was treated by closed reduction and cancellous screw fixation and skeletal traction for 6 weeks. At 3 months, follow-up radiograph showed union of the fracture, but he had developed segmental AVN with collapse of the head...
March 31, 2017: Journal of Pediatric Orthopedics. Part B
https://www.readbyqxmd.com/read/28362049/robotic-arm-assisted-total-hip-arthroplasty-results-in-smaller-acetabular-cup-size-in-relation-to-the-femoral-head-size-a-matched-pair-controlled-study
#20
Carlos Suarez-Ahedo, Chengcheng Gui, Timothy J Martin, Sivashankar Chandrasekaran, Parth Lodhia, Benjamin G Domb
PURPOSE: To compare the acetabular component size relative to the patient's native femoral head size between conventional THA (CTHA) approach and robotic-arm assisted THA (RTHA) to infer which of these techniques preserved more acetabular bone. METHODS: Patients were included if they had primary osteoarthritis (OA) and underwent total hip replacement between June 2008 and March 2014. Patients were excluded if they had missing or rotated postoperative anteroposterior radiographs...
March 31, 2017: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
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