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https://www.readbyqxmd.com/read/27890581/total-hip-arthroplasty-using-a-cementless-dual-mobility-cup-provides-increased-stability-and-favorable-gait-parameters-at-five-years-follow-up
#1
A Acker, J-F Fischer, K Aminian, E Lécureux, B M Jolles
BACKGROUND: Rates of dislocation following primary total hip arthroplasty (THA) vary from 0.5 to 10%. Dual-mobility cups in THA demonstrate increased stability. Clinical outcomes following THA with dual-mobility cups have been reported, but gait has not been assessed. Therefore we performed a retrospective case control study to answer: (1) is gait better in patients following THA with a dual-mobility cup than in frail, elderly patients of the same age? (2) Are clinical outcomes better in patients following THA with a dual-mobility cup than in frail, elderly patients? (3) What is the dislocation rate following THA with a dual-mobility cup? HYPOTHESIS: We hypothesized that patients who underwent THA with a dual-mobility cup have a better gait compared to frail, elderly patients of the same age...
November 24, 2016: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/27889840/five-to-thirteen-year-results-of-a-cemented-dual-mobility-socket-to-treat-recurrent-dislocation
#2
Moussa Hamadouche, Mickael Ropars, Camille Rodaix, Thierry Musset, François Gaucher, David Biau, Jean Pierre Courpied, Denis Huten
PURPOSE: Dual mobility (DM) socket has been associated with a low rate of dislocation following both primary and revision total hip arthroplasty (THA). However, little is known about the long-term efficiency of DM in the treatment of THA instability. The purpose of this retrospective study was to evaluate the outcome of a cemented DM socket to treat recurrent dislocation after a minimum of five year follow-up. METHODS: The series included 51 patients with a mean age of 71...
November 26, 2016: International Orthopaedics
https://www.readbyqxmd.com/read/27888294/total-hip-arthroplasty-with-dual-mobility-cup-in-osteonecrosis-of-the-femoral-head-in-young-patients-over-ten-years-of-follow-up
#3
Pierre Martz, Alexandre Maczynski, Sebastien Elsair, Ludovic Labattut, Brice Viard, Emmanuel Baulot
Osteonecrosis of the femoral head affects mainly young patients with high functional needs this increases the risk of dislocation. Dual mobility cups known for low rate of dislocation and high mobility range seems indicated. We evaluate functional efficiency, survival and dislocation rate of dual mobility cup for total hip arthroplasty for osteonecrosis in young patients. Monocentric retrospective clinical study, from 2000 to 2008. With a clinical analysis in pre-operative and over ten years of follow-up of one cohort of patients under 55 years old with an indication of THA for ONFH...
November 25, 2016: International Orthopaedics
https://www.readbyqxmd.com/read/27878334/equivalent-wear-performance-of-dual-mobility-bearing-compared-with-standard-bearing-in-total-hip-arthroplasty-in-vitro-study
#4
Gaël Gaudin, André Ferreira, Romain Gaillard, Jean Louis Prudhon, Jacques H Caton, Sébastien Lustig
PURPOSE: Osteolysis in total hip arthroplasty (THA) depends on polyethylene wear and dictates the survival of the prosthesis. Dual mobility in THAs, which is claimed to reduce dislocation risk, has very good long-term clinical results. However, little is known about how the liner wears in this design, compared to the standard single mobility model. METHODS: A comparative study looking at wear of a conventional ultra-high-molecular-weight polyethylene liner, using gravimetric measurement, between dual mobility implants and standard implants, was performed on a simulator in accordance with a normed protocol based on the same dimensions, environmental conditions and stresses...
November 22, 2016: International Orthopaedics
https://www.readbyqxmd.com/read/27872981/dual-mobility-arthroplasty-failure-a-rationale-review-of-causes-and-technical-considerations-for-revision
#5
Philippe Hernigou, Arnaud Dubory, Damien Potage, François Roubineau, Charles Henri Flouzat Lachaniette
PURPOSE: Dual-mobility arthroplasty is an alternative to conventional total hip arthroplasty (THA) in appropriately selected, active adults with degenerative, necrotic or post-traumatic hip disease or with revision hip arthroplasty. Numerous papers have been published with results of dual-mobility arthroplasty, but there have been no comprehensive literature reviews that summarise the most recent findings and help the orthopaedic surgeon facing different scenarios in which revision of one or both components of a dual-mobility arthroplasty is indicated...
November 21, 2016: International Orthopaedics
https://www.readbyqxmd.com/read/27857822/revision-of-metal-on-metal-hip-arthroplasty-with-well-fixed-and-positioned-acetabular-component-using-a-dual-mobility-head-and-review-of-literature
#6
Guillem Figueras, Ramón Vives Planell, Ramón Serra Fernàndez, Joan Camí Biayna
BACKGROUND: As a consequence of use of metal-on-metal hip arthroplasties some patients have precised revision for pain or metal hipersensivity reactions among other causes. We propose to salvage monoblock acetabular component and femoral component using a dual-mobility head and perform a lower morbidity operation in young patients preserving host bone stock in cases with well fixed and positioned components. OBJECTIVE: (1) What clinical problems have been reported in patients with Metal-on-metal hip arthroplasties? (2) Could the tribocorrosion potentially cause a fracture of neck femoral component? (3) Can be the dual-mobility head a recourse in metal-on-metal hip revision? METHODS: Ten patients were revised for pain or/and raised Cobalt/Chromium levels between August 2012 and December 2015...
2016: Open Orthopaedics Journal
https://www.readbyqxmd.com/read/27853816/total-hip-arthroplasty-using-direct-anterior-approach-and-dual-mobility-cup-safe-and-efficient-strategy-against-post-operative-dislocation
#7
Cécile Batailler, Camdon Fary, Pierre Batailler, Elvire Servien, Philippe Neyret, Sébastien Lustig
AIM: We hypothesize that a dual mobility cup can be safely used via the direct anterior approach, without increasing the risk of complications or incorrect positioning. MATERIALS AND METHODS: This retrospective study compared 201 primary total hip arthroplasties using a dual mobility cup performed via direct anterior approach without a traction table, to 101 arthroplasties performed via posterolateral approach. Implant positioning, function scores, and early complications were recorded...
November 16, 2016: International Orthopaedics
https://www.readbyqxmd.com/read/27837329/highly-crosslinked-polyethylene-a-safe-alternative-to-conventional-polyethylene-for-dual-mobility-cup-mobile-component-a-biomechanical-validation
#8
Matthieu Malatray, Jean-Paul Roux, Stanislas Gunst, Vincent Pibarot, Julien Wegrzyn
PURPOSE: Dual mobility cup (DMC) consists of a cobalt-chromium (CoCr) alloy cup articulated with a polyethylene (PE) mobile component capturing the femoral head in force using a snap-fit technique. This biomechanical study was the first to evaluate and compare the generation of cracks in the retentive area of DMC mobile components made of highly crosslinked PE (XLPE) or conventional ultra-high molecular weight PE (UHMWPE). METHODS: Eighty mobile components designed for a 52-mm diameter Symbol® DMC (Dedienne Santé, Mauguio, France) and a 28-mm diameter femoral head were analyzed...
November 11, 2016: International Orthopaedics
https://www.readbyqxmd.com/read/27837328/in-total-hip-arthroplasty-via-the-direct-anterior-approach-a-dual-mobility-cup-prevents-dislocation-as-effectively-in-hip-fracture-as-in-osteoarthritis
#9
Yasuhiro Homma, Tomonori Baba, Yu Ozaki, Taiji Watari, Hideo Kobayashi, Hironori Ochi, Mikio Matsumoto, Kazuo Kaneko
PURPOSE: The main purpose of this study was to compare the outcome of total hip arthroplasty (THA) via the direct anterior approach (DAA) using a dual-mobility cup (DMC) in patients with femoral neck fracture to those in patients undergoing elective THA for osteoarthritis. PATIENTS AND METHODS: We retrospectively investigated 40 hips with femoral neck fracture (group A), and 81 hips with osteoarthritis (group B). THA via the DAA using the DMC was performed in both groups...
November 11, 2016: International Orthopaedics
https://www.readbyqxmd.com/read/27826763/dual-mobility-cup-in-total-hip-arthroplasty-in-patients-less-than-fifty-five-years-and-over-ten-years-of-follow-up-a-prospective-and-comparative-series
#10
Jean-Marc Puch, Guy Derhi, Loys Descamps, Régis Verdier, Jacques H Caton
PURPOSE: We report clinical and radiological outcome of a dual mobility cup (DMC) of 2nd generation after a minimum of ten year-follow-up (FU). The goal of this work was to compare the results of this DMC in patients aged less than 55 years and in patients aged more than 55 years. METHODS: From 2000 to 2005, a prospective and consecutive series of 119 THAs with a cementless DMC of 2nd generation (GIROS) were performed in patients aged less than 55 years and 444 in patients aged more than 55 years...
November 8, 2016: International Orthopaedics
https://www.readbyqxmd.com/read/27803216/a-randomised-feasibility-study-comparing-total-hip-arthroplasty-with-and-without-dual-mobility-acetabular-component-in-the-treatment-of-displaced-intracapsular-fractures-of-the-proximal-femur-the-warwick-hip-trauma-evaluation-two-white-two
#11
X L Griffin, N Parsons, J Achten, M L Costa
AIMS: The optimal treatment for independent patients with a displaced intracapsular fracture of the hip remains controversial. The recognised alternatives are hemiarthroplasty and total hip arthroplasty. At present there is no established standard of care, with both types of arthroplasty being used in many centres. PATIENTS AND METHODS: We conducted a feasibility study comparing the clinical effectiveness of a dual mobility acetabular component compared with standard polyethylene component in total hip arthroplasty for independent patients with a displaced intracapsular fracture of the hip, for a 12-month period beginning in June 2013...
November 2016: Bone & Joint Journal
https://www.readbyqxmd.com/read/27765735/a-process-evaluation-of-the-white-two-trial-comparing-total-hip-artroplasty-with-and-without-dual-mobility-component-in-the-treatment-of-displaced-intracapsular-fractures-of-the-proximal-femur-can-a-trial-investigating-total-hip-arthroplasty-for-hip-fracture
#12
C Huxley, J Achten, M L Costa, F Griffiths, X L Griffin
OBJECTIVES: The annual incidence of hip fracture is 620 000 in the European Union. The cost of this clinical problem has been estimated at 1.75 million disability-adjusted life years lost, equating to 1.4% of the total healthcare burden in established market economies. Recent guidance from The National Institute for Health and Clinical Excellence (NICE) states that research into the clinical and cost effectiveness of total hip arthroplasty (THA) as a treatment for hip fracture is a priority...
October 2016: Bone & Joint Research
https://www.readbyqxmd.com/read/27761631/dual-mobility-implants-prevent-hip-dislocation-following-hip-revision-in-obese-patients
#13
Philippe Hernigou, Jean Charles Auregan, Damien Potage, François Roubineau, Charles Henri Flouzat Lachaniette, Arnaud Dubory
PURPOSE: Revision total hip arthroplasty (THA) is associated with increased rates of dislocation in obese patients. It is not known whether dual-mobility implants decrease dislocation in these patients with obesity. METHODS: We retrospectively reviewed two groups of revision THAs to compare the dislocation rate between 32 obese patients (BMI >30 kg/m(2)) with standard cups, and 35 obese patients (BMI >30 kg/m(2)) with dual-mobility cups. All patients received the same implants except for diameter head (32-mm head with standard cups and 28-mm head with dual mobility) and had the same cemented stem that was not changed at revision...
October 20, 2016: International Orthopaedics
https://www.readbyqxmd.com/read/27728956/prevention-of-dislocation-risk-during-hip-revision-surgery-with-the-dual-mobility-concept-study-of-a-new-generation-of-dual-mobility-cups
#14
Antoine Dangin, Sandrine Boulat, Frédéric Farizon, Rémi Philippot
INTRODUCTION: Total hip arthroplasty (THA) is a common surgery presenting well-known failures that may require surgical revision. To reduce the risk of hip dislocation after revision THA, we hypothesize the interest of the use of a new generation dual mobility cup by evaluating its survival and complication rates. MATERIALS AND METHODS: We analyzed the survival and the failures rate of 91 patients who underwent revision THAs with a specific dual mobility cup Novae® E TH (SERF, Décines-Charpieu, France)...
October 26, 2016: Surgical Technology International
https://www.readbyqxmd.com/read/27697405/total-hip-replacement-in-young-non-ambulatory-cerebral-palsy-patients
#15
C Morin, C Ursu, C Delecourt
INTRODUCTION: The everyday life of a non-ambulatory adolescent or young adult with cerebral palsy can be severely impaired by a painful or stiff hip. The usual surgical solutions such as proximal femoral resection (PFR) are not entirely satisfactory for pain relief, and are mutilating. HYPOTHESIS: A retrospective study assessed the impact of total hip replacement (THR) on such impairment, on the hypothesis that it is more effective than PFR in relieving pain, without aggravating disability...
September 30, 2016: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/27384045/r%C3%A3-ttinger-approach-with-dual-mobility-cup-to-improve-functional-recovery-in-hip-osteoarthritis-patients-biomechanical-and-clinical-follow-up
#16
Pierre Martz, Abderrahmane Bourredjem, Davy Laroche, Marc Arcens, Ludovic Labattut, Christine Binquet, Jean-Francis Maillefert, Emmanuel Baulot, Paul Ornetti
PURPOSE: We assumed that the combination of dual-mobility total hip arthroplasty (THA) using the minimally-invasive Röttinger anterolateral approach could guarantee hip stability with faster functional recovery. We objectively analyzed functional improvement after dual-mobility THA by quantitative gait analysis. METHODS: We compared the results achieved following two different surgical approaches: Röttinger's versus Moore's approach (posterolateral approach). We included 70 patients in an open prospective single-centre study: 38 by Rottinger's approach (age = 67yo) and 32 by Moores's approach (age = 68yo)...
July 6, 2016: International Orthopaedics
https://www.readbyqxmd.com/read/27311447/benefit-and-risk-in-short-term-after-total-hip-arthroplasty-by-direct-anterior-approach-combined-with-dual-mobility-cup
#17
Yasuhiro Homma, Tomonori Baba, Hideo Kobayashi, Asuka Desroches, Hironori Ochi, Yu Ozaki, Mikio Matsumoto, Takahito Yuasa, Kazuo Kaneko
PURPOSE: No previous reports have described the benefits and risks associated with the dual mobility cup (DMC) in primary THA via direct anterior approach (DAA). The aim of this study was to compare the safety and rate of early postoperative complication of the DAA with the DMC for THA with those of the DAA with a single standard cup, and to investigate the influence of the learning curve of the use of DMC on intra- and perioperative outcomes. METHODS: We retrospectively investigated 60 hips treated in the single-DAA group and 60 hips treated in the dual-DAA group...
August 2016: European Journal of Orthopaedic Surgery & Traumatology: Orthopédie Traumatologie
https://www.readbyqxmd.com/read/27303232/total-hip-arthroplasty-dislocations-are-more-complex-than-they-appear-a-case-report-of-intraprosthetic-dislocation-of-an-anatomic-dual-mobility-implant-after-closed-reduction
#18
Bradford S Waddell, Ivan De Martino, Thomas Sculco, Peter Sculco
BACKGROUND: Total hip arthroplasty is a successful operation for the treatment of hip pain. One of the common complications of hip arthroplasty is dislocation. While reduction of standard prosthetic dislocations is highly successful, new prostheses add the potential for new complications. CASE REPORT: We present the case of a patient who experienced intraprosthetic dislocation of an anatomic dual-mobility total hip prosthesis after a closed hip reduction and include the prereduction and postreduction radiographic findings...
2016: Ochsner Journal
https://www.readbyqxmd.com/read/27248335/acute-disassembly-and-dissociation-of-a-dual-mobility-next-generation-prosthesis
#19
Jason Samona, Brian Flanagan, Norman Walter
The use of bipolar components in hip surgery was introduced more than 40 years ago with the rationale of a dual-mobility hip implant. This design used a small femoral head that would decrease the rate of wear because of the smaller surface area but would still provide implant stability because of the larger outer shell that articulated with the acetabulum, decreasing dislocation rates. In April 2011, the E1 Active Articulation Hip System (Biomet, Warsaw, Indiana) was introduced to the orthopedic market. It is considered to be part of the next generation of bipolar designs, with similar designs available from competing companies, such as Stryker (Mahwah, New Jersey)...
September 1, 2016: Orthopedics
https://www.readbyqxmd.com/read/27235513/pseudotumour-formation-and-subsequent-resolution-in-metal-on-metal-total-hip-arthroplasty-following-revision-instructional-review-and-an-illustrative-case-report-with-revision-using-a-dual-mobility-design
#20
REVIEW
A A Sassoon, R L Barrack
The use of large-diameter metal-on-metal (MoM) components in total hip arthroplasty (THA) is associated with an increased risk of early failure due to adverse local tissue reaction to metal debris (ARMD) in response to the release of metal ions from the bearing couple and/or head-neck taper corrosion. The aim of this paper was to present a review of the incidence and natural history of ARMD and the forms of treatment, with a focus on the need for and extent of resection or debulking of the pseudotumour. An illustrative case report is presented of a patient with an intra-pelvic pseudotumour associated with a large diameter MoM THA, which was treated successfully with revision of the bearing surface to a dual mobility couple and retention of the well-fixed acetabular and femoral components...
June 2016: Bone & Joint Journal
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