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Revision hip replacement

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https://www.readbyqxmd.com/read/28643347/off-resonance-based-assessment-of-metallic-wear-debris-near-total-hip-arthroplasty
#1
Kevin M Koch, Matthew F Koff, Thomas W Bauer, Parina H Shah, Andrew S Nencka, S Sivaram Kaushik, Hollis G Potter
PURPOSE: The presence of metallic debris near total hip arthroplasty can have a significant impact on longitudinal patient management. Methods for magnetic resonance imaging-based quantification of metallic debris near painful total hip replacements are described and applied to cohorts of symptomatic and control subject cases. METHODS: A combination of metal artifact reduction, off-resonance mapping, off-resonance background removal, and spatial clustering methods are utilized to quantify off-resonance signatures in cases of suspected metallosis...
June 22, 2017: Magnetic Resonance in Medicine: Official Journal of the Society of Magnetic Resonance in Medicine
https://www.readbyqxmd.com/read/28630723/outcome-after-arthroscopic-labral-surgery-in-patients-previously-treated-with-periacetabular-osteotomy-a-follow-up-study-of-43-patients
#2
Charlotte Hartig-Andreasen, Torsten G Nielsen, Bent Lund, Kjeld Søballe, Martin Lind
To identify factors predicting failure after hip arthroscopy in patients with previous periacetabular osteotomy (PAO) defined as a conversion to total hip replacement (THR) and to evaluate the patient reported outcome scores. Of 55 hips treated with hip arthroscopy after PAO from Aug 2008 to 2012 at Aarhus University Hospital, 43 hips were included (median age: 36.1 yrs, range 16.3-56.9 yrs). Indications were unacceptable pain, a positive FABER and impingement test and signs of labral damage on MR-arthrography...
January 2017: Journal of Hip Preservation Surgery
https://www.readbyqxmd.com/read/28623889/surgical-accuracy-function-and-quality-of-life-of-simultaneous-versus-staged-bilateral-total-hip-arthroplasty-in-patients-with-osteonecrosis-of-the-femoral-head
#3
Seung-Chan Kim, Young-Wook Lim, Woo-Lam Jo, Dong-Chul Park, Jin-Woo Lee, Won-Woo Kang, Yong-Sik Kim
BACKGROUND: The optimal surgical option for patients requiring bilateral hip replacement remains controversial. The purpose of this study was to compare surgical accuracy; functional outcome and health-related quality of life; and prosthetic-related complications and revision surgery of a simultaneous bilateral total hip arthroplasty (THA) with those of a staged bilateral THA with an interval between procedures <12 months. METHODS: A total of 123 unselected consecutive patients (mean age, 43...
June 17, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28602534/bilateral-total-hip-and-knee-arthroplasties-average-10-year-follow-up
#4
John B Meding, Philip M Faris, Ken E Davis
BACKGROUND: The present study investigates the clinical and radiographic outcomes in patients with all 4 major lower extremity joints replaced. METHODS: A retrospective review of our institution's database identified 125 patients in whom both hips and both knees were replaced. The mean time between the first and last arthroplasty was 6.6 years. Preoperative diagnoses included osteoarthritis in 80% and rheumatoid arthritis in 20%. The average age at the time of the first arthroplasty was 63...
May 22, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28592084/-modified-capsular-arthroplasty-for-young-patients-with-developmental-dislocation-of-the-hip
#5
Z D Zhang, D Z Luo, H Zhang
Developmental dislocation of the hip(DDH) is one of the most serious hip diseases. Patients with unilateral DDH are prone to secondary osteoarthritis, low back pain, gait disturbance and compensatory scoliosis because of the leg length discrepancy. Total hip arthroplasty(THA) is the highly effective treatment for patients with hip pain or dysfunction caused by unilateral DDH, thus decrease the demand for hip-preserving surgeries such as capsular arthroplasty which may postpone or avoid hip replacement. However, the failure rate of THA for young patients is high and the majority of young patients may require one or more revision arthroplasties throughout their lifetime...
June 1, 2017: Zhonghua Wai Ke za Zhi [Chinese Journal of Surgery]
https://www.readbyqxmd.com/read/28578684/metal-on-metal-hip-resurfacing-in-patients-younger-than-50%C3%A2-years-a-retrospective-analysis-1285-cases-12-year-survivorship
#6
Melissa D Gaillard, Thomas P Gross
BACKGROUND: The Nordic registry reports patients under 50 years old with total hip replacements realize only 83% 10-year implant survivorship. These results do not meet the 95% 10-year survivorship guideline posed by the UK's National Institute for Health and Care Excellence (NICE) in 2014. METHODS: The purpose of this study is threefold: First, we evaluate if metal-on-metal hip resurfacing arthroplasty meets these high standards in younger patients. Next, we compare outcomes between age groups to determine if younger patients are at higher risk for revision or complication...
June 2, 2017: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/28576624/constrained-acetabular-components-used-in-revision-total-hip-arthroplasty-a-registry-analysis
#7
Peter L Lewis, Stephen E Graves, Richard N de Steiger, Alana R Cuthbert
BACKGROUND: Constrained acetabular components have a mechanism to lock in the femoral head. They have been developed to control postoperative dislocation, particularly in revision total hip arthroplasty (THA). Although these components may reduce dislocation, there are durability concerns: with reports of locking mechanism failures and loosening. We wanted to determine the outcome of constrained components in controlling dislocation, and if these components had a higher rate of second revision when compared with standard nonconstrained components...
May 4, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28576014/surface-characteristics-of-bioactive-ti-fabricated-by-chemical-treatment-for-cartilaginous-integration
#8
Hiroyuki Miyajima, Fusun Ozer, Satoshi Imazato, Francis K Mante
Artificial hip joints are generally expected to fail due to wear after approximately 15years and then have to be replaced by revision surgery. If articular cartilage can be integrated onto the articular surfaces of artificial joints in the same way as osseo-integration of titanium dental implants, the wear of joint implants may be reduced or prevented. However, very few studies have focused on the relationship between Ti surface and cartilage. To explore the possibility of cartilaginous-integration, we fabricated chemically treated Ti surfaces with H2O2/HCl, collagen type II and SBF, respectively...
September 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28574125/risk-factors-for-mid-term-revision-surgery-in-patients-with-articular-surface-replacement-total-hip-arthroplasty
#9
Gabrielle S Donahue, Viktor Lindgren, Vincent P Galea, Rami Madanat, Orhun K Muratoglu, Henrik Malchau
INTRODUCTION: This study assessed the associations between gender and implant survival, as well as adverse local tissue reaction (ALTR), in patients with articular surface replacement (ASR) XL total hip arthroplasty (THA). Secondly, we sought to report the differences between genders in metal ion levels and patient reported outcome measures (PROMs) in these patients. METHODS: 563 unilateral ASR XL THA patients were enrolled in a multicentre follow-up study at a mean of 6...
May 27, 2017: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/28566395/the-use-of-femoral-stems-with-exchangeable-necks-in-primary-total-hip-arthroplasty-increases-the-rate-of-revision
#10
S E Graves, R de Steiger, D Davidson, W Donnelly, S Rainbird, M F Lorimer, K S Cashman, R J Vial
AIMS: Femoral stems with exchangeable (modular) necks were introduced to offer surgeons an increased choice when determining the version, offset and length of the femoral neck during total hip arthroplasty (THA). It was hoped that this would improve outcomes and reduce complications, particularly dislocation. In 2010, the Australian Orthopaedic Association National Joint Replacement Registry (AOANJRR) first reported an increased rate of revision after primary THA using femoral stems with an exchangeable neck...
June 2017: Bone & Joint Journal
https://www.readbyqxmd.com/read/28556567/revisiting-the-concept-of-inflammatory-cell-induced-corrosion
#11
Nathaniel Yuan, Sang-Hyun Park, James V Luck, Patricia A Campbell
A peculiar type of surface pitting damage to revised joint replacement implant metal surfaces has been attributed to cellular activity and termed "inflammatory cell-induced-corrosion." We visually examined 1859 explanted metal implants to document the presence and extent of these features. The data was used to examine correlations between these features and the implant material, and modularity as well as clinical variables. The features were observed in approximately 77% of modular and 30% of monobloc hip implants in a variety of metals, as well as to some degree in various other implants...
May 26, 2017: Journal of Biomedical Materials Research. Part B, Applied Biomaterials
https://www.readbyqxmd.com/read/28552834/high-impact-sport-after-hip-resurfacing-the-ironman-triathlon
#12
J Girard, A Lons, T Pommepuy, R Isida, K Benad, S Putman
BACKGROUND: Returning to high-impact sport is an increasingly frequent functional demand following hip replacement. The literature, however, is sparse on the subject and nonexistent regarding triathlon. We therefore conducted a retrospective study of hip resurfacing in triathlon players, to determine: (1) whether it is possible to return to this kind of sport; (2) if so, whether it is possible to return to the same level; and (3) how a resurfaced hip behaves under these conditions. HYPOTHESIS: Hip resurfacing allows return to competition level in long-distance triathlon...
May 25, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28552444/lawsuits-after-primary-and-revision-total-hip-arthroplasties-a-malpractice-claims-analysis
#13
Diana C Patterson, Ronald P Grelsamer, Michael J Bronson, Calin S Moucha
BACKGROUND: As the prevalence of total hip arthroplasty (THA) expands, so too will complications and patient dissatisfaction. The goal of this study was to identify the common etiologies of malpractice suits and costs of claims after primary and revision THAs. METHODS: Analysis of 115 malpractice claims filed for alleged neglectful primary and revision THA surgeries by orthopedic surgeons insured by a large New York state malpractice carrier between 1983 and 2011...
May 3, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28538534/enhanced-recovery-after-surgery-for-hip-and-knee-replacements
#14
David P Gwynne-Jones, Ginny Martin, Chris Crane
BACKGROUND: Enhanced recovery after surgery (ERAS) programs or hip and knee replacements have had a significant effect on streamlining patient care with shorter stays, no increase in complications, and improved outcomes including reduced mortality. PURPOSE: To compare outcomes following the introduction of an ERAS program for hip and knee replacements developed at our institution with a historical cohort of patients. METHODS: ERAS protocols were developed at our institution for patients undergoing hip and knee joint replacements...
May 2017: Orthopaedic Nursing
https://www.readbyqxmd.com/read/28534471/management-of-acetabular-fractures-in-the-geriatric-patient
#15
Marc Hanschen, Sebastian Pesch, Stefan Huber-Wagner, Peter Biberthaler
INTRODUCTION: Open reduction and internal fixation (ORIF) is standard care for most acetabular fractures. With increasing numbers of acetabular fractures in the elderly, the risk of revision surgery and conversion to total hip replacement (THR) is increasing. Alarmingly, about 20-25% of acetabular fractures in the elderly following ORIF needed revision and conversion to delayed THR. METHODS: Recently, prognostic factors have been identified, which correlate with an increased risk of worse outcomes following ORIF of acetabular fractures in the elderly patient...
2017: SICOT-J
https://www.readbyqxmd.com/read/28529343/excellent-auc-for-joint-fluid-cytology-in-the-detection-exclusion-of-hip-and-knee-prosthetic-joint-infection
#16
Jiri Gallo, Jarmila Juranova, Michal Svoboda, Jana Zapletalova
BACKGROUND AND AIM: The aim of this study was to evaluate the characteristics of synovial fluid (SF) white cell count (SWCC) and neutrophil/lymphocyte percentage in the diagnosis of prosthetic joint infection (PJI) for particular threshold values. METHODS AND RESULTS: This was a prospective study of 391 patients in whom SF specimens were collected before total joint replacement revisions. SF was aspirated before joint capsule incision. The PJI diagnosis was based only on non-SF data...
May 15, 2017: Biomedical Papers of the Medical Faculty of the University Palacký, Olomouc, Czechoslovakia
https://www.readbyqxmd.com/read/28529109/late-dislocations-after-total-hip-arthroplasty-is-the-bearing-a-factor
#17
Siddharth M Shah, William L Walter, Stephen M Tai, Michelle F Lorimer, Richard N de Steiger
BACKGROUND: Dislocation is a leading cause of revision after primary total hip arthroplasty (THA). Although more common in the first few years after the procedure, dislocation can occur at any time. This study investigated the difference in late dislocation in ceramic-on-ceramic (CoC) bearings compared with metal-on-polyethylene and ceramic-on-polyethylene bearings in THA. METHODS: Data were used from the Australian Orthopaedic Association National Joint Replacement Registry, and the cumulative percent revision for dislocation was estimated using the Kaplan-Meier method for the different bearing surfaces...
April 27, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28502348/osteolysis-in-total-ankle-replacement-how-does-it-work
#18
REVIEW
Norman Espinosa, Georg Klammer, Stephan H Wirth
Aseptic loosening of implants remains the most common reason for revision surgery for hip, knee, or ankle prostheses. Although a great scientific effort has been made to explain the underlying mechanisms it remains poorly understood, complex, and multifactorial. Many factors, including age, body weight, activity lesions, implant design, fixation methods, material proprieties, immunologic responses, and biomechanical adaptations to total ankle replacement all contribute to the development of periprosthetic osteolysis...
June 2017: Foot and Ankle Clinics
https://www.readbyqxmd.com/read/28490330/comparative-measurements-of-bone-mineral-density-and-bone-contrast-values-in-canine-femora-using-dual-energy-x-ray-absorptiometry-and-conventional-digital-radiography
#19
K Lucas, I Nolte, V Galindo-Zamora, M Lerch, C Stukenborg-Colsman, B A Behrens, A Bouguecha, S Betancur, A Almohallami, P Wefstaedt
BACKGROUND: Aseptic loosening due to bone remodelling processes after total hip replacement is one common cause for revision surgery. In human medicine, dual-energy X-ray absorptiometry (DEXA) is the gold standard for quantitative evaluation of bone mineral density, whereas in veterinary medicine conventional radiography is used for follow-up studies. Recently, a method has been described using digital X-ray images for quantitative assessment of grey scale values of bone contrast. Therefore, the aim of the present study was to evaluate the correlation of bone mineral density (BMD) measured by DEXA with grey scale values (GV) measured in digital X-ray images (RX50, RX66) ex vivo...
May 11, 2017: BMC Veterinary Research
https://www.readbyqxmd.com/read/28489745/adverse-local-tissue-reaction-after-2-revision-hip-replacements-for-ceramic-liner-fracture-a-case-report
#20
Iulian Antoniac, Mihai Negrusoiu, Mihai Mardare, Claudiu Socoliuc, Ancuţa Zazgyva, Marius Niculescu
INTRODUCTION: In younger patients, ceramic-on-ceramic (CoC) bearing surfaces are usually recommended for total hip replacement (THR) because of their low wear rate and longer expected functional life. Although technical advancements have reduced the risk of ceramic bearings fracture, this complication remains a major concern. CASE DESCRIPTION: We present the case of a 56-year-old patient undergoing 3 revision hip arthroplasties of the right hip due to ceramic liner fractures...
May 2017: Medicine (Baltimore)
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