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https://www.readbyqxmd.com/read/29792786/imageless-navigation-total-hip-arthroplasty-an-evaluation-of-operative-time
#1
Epaminondas Markos Valsamis, David Ricketts, Adnan Hussain, Amir-Reza Jenabzadeh
INTRODUCTION: Imageless navigation has been successfully integrated in knee arthroplasty but its effectiveness in total hip arthroplasty (THA) has been debated. It has consistently been shown that navigation adds significant time and cost to the operation. Further, the relative success of traditional hip replacements has impeded the adoption of new techniques. METHODS: We compared the operative time between fifty total hip replacements with and without the use of imageless navigation by a single senior surgeon in a retrospective study...
2018: SICOT-J
https://www.readbyqxmd.com/read/29785221/cocrmo-alloy-vs-uhmwpe-particulate-implant-debris-induces-sex-dependent-aseptic-osteolysis-responses-in-vivo-using-a-murine-model
#2
Stefan Landgraeber, Lauryn Samelko, Kyron McAllister, Sebastian Putz, Joshua J Jacobs, Nadim James Hallab
Background: The rate of revision for some designs of total hip replacements due to idiopathic aseptic loosening has been reported as higher for women. However, whether this is environmental or inherently sex-related is not clear. Objective: Can particle induced osteolysis be sex dependent? And if so, is this dependent on the type of implant debris ( e.g . metal vs polymer)? The objective of this study was to test for material dependent inflammatory osteolysis that may be linked to sex using CoCrMo and implant grade conventional polyethylene (UHMWPE), using an in vivo murine calvaria model...
2018: Open Orthopaedics Journal
https://www.readbyqxmd.com/read/29782298/orthopedic-and-cutaneous-reactions-to-nickel-after-total-hip-replacement
#3
Domagoj Delimar, Ivan Bohaček, Zrinjka Paštar, Jasna Lipozenčić
Implant degradation products have shown signs of a cutaneous allergic response after implantation of a metal orthopedic replacement, loosening and failure of the joints as well as skin rashes, general fatigue, pain, and impaired wounds and bone healing. The prevalence of contact skin sensitivity in patients with a joint replacement device is higher than that in the general population. This delayed hypersensitivity to metallic orthopedic implants is more clearly defined and is a contributing factor to implant failure...
April 2018: Acta Dermatovenerologica Croatica: ADC
https://www.readbyqxmd.com/read/29768492/association-between-periprosthetic-tissue-metal-content-whole-blood-and-synovial-fluid-metal-ion-levels-and-histopathological-findings-in-patients-with-failed-metal-on-metal-hip-replacement
#4
Lari Lehtovirta, Aleksi Reito, Jyrki Parkkinen, Sirpa Peräniemi, Jouko Vepsäläinen, Antti Eskelinen
Adverse Reaction to Metal Debris (ARMD) is a major cause of implant failure leading to revision surgery in patients with metal-on-metal (MoM) hip arthroplasties. However, the pathogenesis and its association to implant wear are poorly understood and previous studies have yielded discrepant results. We sought to investigate the associations between histological findings, whole blood and synovial fluid metal ion concentrations and periprosthetic tissue metal concentrations in patients with MoM total hip replacements and hip resurfacings revised for ARMD...
2018: PloS One
https://www.readbyqxmd.com/read/29756695/stimulating-versus-non-stimulating-catheter-for-lumbar-plexus-continuous-infusion-after-total-hip-replacement
#5
Gianluca Cappelleri, Daniela Ghisi, Andrea L Ambrosoli, Alice Ascari, Elisa Compagnino, Marco Gemma, Giorgio Danelli
BACKGROUND: This study was aimed to investigate whether stimulating catheters for continuous lumbar plexus block reduce local anesthetic consumption after hip arthroplasty if compared with traditional non-stimulating catheters. METHODS: Seventy-two ASA I-III, 18-82 year-old, undergoing primary hip replacement (THA) for osteoarthritis with spinal anesthesia were randomized into two groups: Stim group (stimulating catheter, n=36) and Nonstim group (non-stimulating catheter, n=36)...
May 11, 2018: Minerva Anestesiologica
https://www.readbyqxmd.com/read/29744647/cell-therapy-versus-simultaneous-contralateral-decompression-in-symptomatic-corticosteroid-osteonecrosis-a-thirty-year-follow-up-prospective-randomized-study-of-one-hundred-and-twenty-five-adult-patients
#6
Philippe Hernigou, Arnaud Dubory, Yasuhiro Homma, Isaac Guissou, Charles Henri Flouzat Lachaniette, Nathalie Chevallier, Hélène Rouard
PURPOSE: Symptomatic osteonecrosis related to corticosteroids has a high risk of progression to collapse in absence of treatment. The purposes of this study were to evaluate the results of autologous bone marrow grafting of the symptomatic hip in adult patients with osteonecrosis and to compare the results with core decompression alone in the contralateral symptomatic hip. MATERIALS AND METHODS: A total of 125 consecutive patients (78 males and 47 females) with bilateral osteonecrosis (ON) and who had both hips symptomatic and at the same stage on each side (stage I or II) were included in this study from 1988 to 1998...
May 9, 2018: International Orthopaedics
https://www.readbyqxmd.com/read/29744425/preliminary-focus-on-the-mechanical-and-antibacterial-activity-of-a-pmma-based-bone-cement-loaded-with-gold-nanoparticles
#7
T Russo, A Gloria, R De Santis, U D'Amora, G Balato, A Vollaro, O Oliviero, G Improta, M Triassi, L Ambrosio
In total knee arthroplasty (TKA) and total hip replacement (THR) the restoration of the normal joint function represents a fundamental feature. A prosthetic joint must be able to provide motions and to transmit functional loads. As reported in the literature, the stress distribution may be altered in bones after the implantation of a total joint prosthesis. Some scientific works have also correlated uncemented TKA to a progressive decrease of bone density below the tibial component. Antibiotic-loaded bone cements are commonly employed in conjunction with systemic antibiotics to treat infections...
September 2017: Bioactive Materials
https://www.readbyqxmd.com/read/29739239/total-hip-replacement-provokes-endothelial-dysfunction
#8
Peter Poredos, Ana Mavric, Lara Leben, Pavel Poredos, Mateja Kaja Jezovnik
Surgery represents an increased risk of different perioperative complications. Endothelial function (EF) is a key mechanism responsible for cardiovascular homeostasis and is involved in thromboembolic complications. We aimed to follow changes of EF in an early postoperative period in patients undergoing total hip replacement (THR). Endothelial function was assessed noninvasively in 70 consecutive patients who underwent an elective THR under spinal anesthesia. Flow-mediated dilation (FMD) and low flow-mediated constriction capability of the brachial artery, which are indicators of EF were measured before the operation (baseline), 24 hours after the operative procedure, and 5 to 7 days postoperatively...
January 1, 2018: Angiology
https://www.readbyqxmd.com/read/29738596/relatively-high-complication-and-revision-rates-of-the-mayo-%C3%A2-metaphysical-conservative-femoral-stem-in-young-patients
#9
Tal Frenkel Rutenberg, Yaniv Warshevski, Aviram Gold, Nadav Shasha, Nimrod Snir, Ofir Chechik, Oleg Dolkart, Dynai Eilig, Amir Herman, Ehud Rath, Moti Kramer, Michael Drexler
The Mayo metaphysical conservative femoral stem (Zimmer, Warsaw, Indiana) is a wedge-shaped implant designed to transfer loads proximally, reduce femoral destruction, and enable the preservation of bone stock in the proximal femur. Thus, it is a potentially preferred prosthesis for active, non-elderly patients who may require additional future surgeries. This retrospective case study analyzed the outcomes of consecutive patients who underwent total hip replacements with this stem between May 2001 and February 2013...
May 8, 2018: Orthopedics
https://www.readbyqxmd.com/read/29738442/a-telerehabilitation-system-for-the-selection-evaluation-and-remote-management-of-therapies
#10
David Anton, Idoia Berges, Jesús Bermúdez, Alfredo Goñi, Arantza Illarramendi
Telerehabilitation systems that support physical therapy sessions anywhere can help save healthcare costs while also improving the quality of life of the users that need rehabilitation. The main contribution of this paper is to present, as a whole, all the features supported by the innovative Kinect-based Telerehabilitation System (KiReS). In addition to the functionalities provided by current systems, it handles two new ones that could be incorporated into them, in order to give a step forward towards a new generation of telerehabilitation systems...
May 8, 2018: Sensors
https://www.readbyqxmd.com/read/29727227/infected-total-hip-replacements-assessment-and-management
#11
Hosam E Matar, Paula Stritch, Nicholas Emms
Infected total hip replacements pose a diagnostic and management challenge. Careful history, clinical examination, blood tests, plain radiographs and hip aspiration are all part of the clinical assessment. International consensus on establishing the diagnosis helps surgeons to formulate management plans. Management strategies include debridement and prosthesis retention, single-stage revision, two-stage revision, suppressive antibiotic treatment and excision arthroplasty. This article reviews the clinical assessment, diagnosis, principles of surgical management and outcomes of revision surgery of infected total hip replacements...
May 2, 2018: British Journal of Hospital Medicine
https://www.readbyqxmd.com/read/29725834/ct-metal-artifacts-in-patients-with-total-hip-replacements-for-artifact-reduction-monoenergetic-reconstructions-and-post-processing-algorithms-are-both-efficient-but-not-similar
#12
Kai Roman Laukamp, Simon Lennartz, Victor-Frederic Neuhaus, Nils Große Hokamp, Robert Rau, Markus Le Blanc, Nuran Abudullayev, Anastasios Mpotaris, David Maintz, Jan Borggrefe
OBJECTIVES: This study compares metal artifact (MA) reduction in imaging of total hip replacements (THR) using virtual monoenergetic images (VMI), for MA-reduction-specialized reconstructions (MAR) and conventional CT images (CI) from detector-based dual-energy computed tomography (SDCT). METHODS: Twenty-seven SDCT-datasets of patients carrying THR were included. CI, MAR and VMI with different energy-levels (60-200 keV) were reconstructed from the same scans. MA width was measured...
May 3, 2018: European Radiology
https://www.readbyqxmd.com/read/29720374/education-plus-exercise-versus-corticosteroid-injection-use-versus-a-wait-and-see-approach-on-global-outcome-and-pain-from-gluteal-tendinopathy-prospective-single-blinded-randomised-clinical-trial
#13
Rebecca Mellor, Kim Bennell, Alison Grimaldi, Philippa Nicolson, Jessica Kasza, Paul Hodges, Henry Wajswelner, Bill Vicenzino
OBJECTIVE: To compare the effects of a programme of load management education plus exercise, corticosteroid injection use, and no treatment on pain and global improvement in individuals with gluteal tendinopathy. DESIGN: Prospective, three arm, single blinded, randomised clinical trial. SETTING: Brisbane and Melbourne, Australia. PARTICIPANTS: Individuals aged 35-70 years, with lateral hip pain for more than three months, at least 4/10 on the pain numerical rating scale, and gluteal tendinopathy confirmed by clinical diagnosis and magnetic resonance imaging; and with no corticosteroid injection use in previous 12 months, current physiotherapy, total hip replacement, or neurological conditions...
May 2, 2018: BMJ: British Medical Journal
https://www.readbyqxmd.com/read/29713415/spinopelvic-alignment-and-low-back-pain-after-total-hip-replacement-arthroplasty-in-patients-with-severe-hip-osteoarthritis
#14
Yawara Eguchi, Satoshi Iida, Chiho Suzuki, Yoshiyuki Shinada, Tomoko Shoji, Kazuhisa Takahashi, Seiji Ohtori
Study Design: Retrospective observational study. Purpose: We examined change in lumbrosacral spine alignment and low back pain (LBP) following total hip arthroplasty (THA) in patients with severe hip osteoarthritis (OA). Overview of Literature: Severe hip osteoarthritis has been reported to cause spine alignment abnormalities and low back pain, and it has been reported that low back pain is improved following THA. Methods: Our target population included 30 patients (29 female, mean age 63...
April 2018: Asian Spine Journal
https://www.readbyqxmd.com/read/29704188/mucolipidosis-type-iii-a-series-of-adult-patients
#15
Esmee Oussoren, David van Eerd, Elaine Murphy, Robin Lachmann, Jan C van der Meijden, Lies H Hoefsloot, Rob Verdijk, George J G Ruijter, Mario Maas, Carla E M Hollak, Janneke G Langendonk, Ans T van der Ploeg, Mirjam Langeveld
BACKGROUND: Mucolipidosis type III α/β or γ (MLIII) are rare autosomal recessive diseases, in which reduced activity of the enzyme UDP-N-acetyl glucosamine-1-phosphotransferase (GlcNAc-PTase) leads to intra-lysosomal accumulation of different substrates. Publications on the natural history of MLIII, especially the milder forms, are scarce. This study provides a detailed description of the disease characteristics and its natural course in adult patients with MLIII. METHODS: In this retrospective chart study, the clinical, biochemical and molecular findings in adult patients with a confirmed diagnosis of MLIII from three treatment centres were collected...
April 27, 2018: Journal of Inherited Metabolic Disease
https://www.readbyqxmd.com/read/29702983/effect-of-risedronate-on-femoral-periprosthetic-bone-loss-following-total-hip-replacement-a-systematic-review-and-meta-analysis
#16
Liang Ren, Weidong Wang
BACKGROUND: Recent study has reported that risedronate was effective in reducing periprosthesis bone loss after total hip arthroplasty (THA). The meta-analysis was performed to compare the clinical outcomes of THA with oral risedronate versus placebo. METHODS: Electronic databases: PubMed (1950-March 2018), EMBASE (1974-March 2018), the Cochrane Central Register of Controlled Trials, Web of Science (1950-March 2018) were systematically searched. Two authors independently graded the methodological quality of each eligible study using the Cochrane Collaboration tool and extracted relevant data...
April 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29692191/the-independent-patient-factors-that-affect-length-of-stay-following-hip-fractures
#17
T Richards, A Glendenning, D Benson, S Alexander, S Thati
Introduction Management of hip fractures has evolved over recent years to drive better outcomes including length of hospital stay. We aimed to identify and quantify the effect that patient factors influence acute hospital and total health service length of stay. Methods A retrospective observational study based on National Hip Fracture Database data was conducted from 1 January 2014 to 31 December 2015. A multiple regression analysis of 330 patients was carried out to determine independent factors that affect acute hospital and total hospital length of stay...
April 25, 2018: Annals of the Royal College of Surgeons of England
https://www.readbyqxmd.com/read/29691612/which-is-the-optimal-orthogeriatric-care-model-to-prevent-mortality-of-elderly-subjects-post-hip-fractures-a-systematic-review-and-meta-analysis-based-on-current-clinical-practice
#18
REVIEW
J Moyet, G Deschasse, B Marquant, P Mertl, Frédéric Bloch
BACKGROUND: While there is a general consensus of the impact of an orthogeriatric organisation in terms of elderly patient mortality post hip fracture, it is unclear which, among these various care models, is the most optimal. METHODS: A systematic review of the literature was undertaken using the keywords "Femoral fractures or total hip replacements or Accidental, falls" and "Aged, 80 and over" and "Mortality". The review is presented following PRISMA guidance...
April 24, 2018: International Orthopaedics
https://www.readbyqxmd.com/read/29685538/role-of-propeller-dwi-of-the-prostate-in-reducing-distortion-and-artefact-from-total-hip-replacement-metalwork
#19
Marcin Czarniecki, Iztok Caglic, James T Grist, Andrew B Gill, Kamil Lorenc, Rhys A Slough, Andrew N Priest, Tristan Barrett
OBJECTIVE: To compare image quality, artefact, and distortion in standard echo-planar imaging (EPI) with periodically rotated overlapping parallel lines with enhanced reconstruction (PROPELLER) for prostate magnetic resonance imaging (MRI) diffusion-weighted imaging (DWI) in patients with previous total hip replacement (THR). METHODS: 21 male subjects with a clinical suspicion for, or known prostate cancer and previous THR were scanned at 1.5 T using a phased-array body coil...
May 2018: European Journal of Radiology
https://www.readbyqxmd.com/read/29679950/morbidity-and-mortality-following-total-hip-replacement-in-dogs
#20
William D Liska, Sarah K Israel
OBJECTIVE:  The objective of this study was to determine morbidity and mortality rates in dogs that had undergone a total hip replacement surgery with implantation of either a cemented or a cementless prosthesis (BioMedtrix LLC, Whippany, NJ). METHODS:  The survival time after surgery, the date of death and the cause of death were collated from an ongoing registry maintained on consecutive total hip replacement procedures by a single surgeon. RESULTS:  A review of the 1,864 dogs entered in the total hip replacement registry revealed 642 in which the date of death and cause of death were known...
April 21, 2018: Veterinary and Comparative Orthopaedics and Traumatology: V.C.O.T
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