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Langlois, J. Moussa Hamadouche
Published in
The Bone & Joint Journal
Previous standards for assessing the reliability of a measurement tool have lacked consistency. We reviewed the most current American Society for Testing and Materials and International Organisation for Standardisation (ISO) recommendations, and propose an algorithm for orthopaedic surgeons. When assessing a measurement tool, conditions of the expe...
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Gibon, Emmanuel Amanatullah, Derek F. Loi, Florence Pajarinen, Jukka Nabeshima, Akira Yao, Zhenyu Moussa Hamadouche Goodman, Stuart B.
Published in
Journal of Biomedical Materials Research Part B: Applied Biomaterials
Joint replacement is a commonly performed, highly successful orthopaedic procedure, for which surgeons have a large choice of different materials and implant designs. The materials used for joint replacement must be both biologically acceptable to minimize adverse local tissue reactions, and robust enough to support weight bearing during common act...
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Scemama, Caroline Anract, Philippe Dumaine, Valérie Babinet, Antoine Courpied, Jean Pierre Moussa Hamadouche
Published in
International Orthopaedics
Purpose: Some data indicate that first-generation highly cross-linked polyethylene (HXLPE) can oxidise in vivo and is associated with reduced mechanical properties. To overcome these limitations, a natural anti-oxidant vitamin E has been added to HXLPE to preserve the mechanical properties and decrease oxidative degradation whilst conserving high w...
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Fabry, Christian Langlois, Jean Moussa Hamadouche Bader, Rainer
Published in
International Orthopaedics
Introduction: Recurrent dislocation of total hip arthroplasty is a frequent indication for revision surgery. Hip joint stability depends on implant design, cup position and crucially on femoral head diameter. Due to an effective ultra-large diameter femoral head, dual-mobility cups are considered an attractive solution to prevent dislocation in uns...
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Herisson, Olivier Felden, Arnaud Moussa Hamadouche Anract, Philippe Biau, David J.
Published in
The Journal of Arthroplasty
Background: Leg length discrepancy after total hip arthroplasty is a frequent complication. The aim of this study was to assess the validity (correlation) and reproducibility (inter-rater agreement) of various intraoperative hip radiographs measures to estimate leg length.
Methods: Patients were included if they were aged 15 years or older; were...
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Kern, G. Isida, R. Girard, J. Ramdane, N. Delaunay, C. P. Moussa Hamadouche So, Fcot Study Group Migaud, Henri Putman, S.
Published in
Clinical Orthopaedics and Related Research®
Background: Despite widespread use of ceramic-on-ceramic (CoC) in total hip arthroplasty (THA) during the past 10 years, little is known about why revisions are performed in hips with this bearing or the time elapsed before revision.
Questions/purposes: The purposes of this study were: (1) Do the reasons for first revision differ between CoC bea...
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Gibon, Emmanuel Córdova, Luis A. Lu, Laura Lin, Tzu-Hua Yao, Zhenyu Moussa Hamadouche Goodman, Stuart B.
Published in
Journal of Biomedical Materials Research Part B: Applied Biomaterials
Novel evidence-based prosthetic designs and biomaterials facilitate the performance of highly successful joint replacement (JR) procedures. To achieve this goal, constructs must be durable, biomechanically sound, and avoid adverse local tissue reactions. Different biomaterials such as metals and their alloys, polymers, ceramics, and composites are ...
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Zaoui, Amine Hage, Samer El Langlois, Jean Scemama, Caroline Courpied, Jean Pierre Moussa Hamadouche
Published in
Clinical Orthopaedics and Related Research®
Background: Charnley low-friction torque total hip arthroplasty (THA) remains the gold standard in THA. The main cause for failure is wear of the socket. Highly crosslinked polyethylene (HXLPE) has been associated with reduced wear rates. Also, oxidized zirconium has shown in vitro reduced wear rates. However, to our knowledge, there are no data co...
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Moussa Hamadouche Jahnke, Alexander Scemama, Caroline Ishaque, Bernd Alexander Rickert, Markus Kerboull, Luc Jakubowitz, Eike
Published in
International Orthopaedics
Purpose: The purpose of this study was to identify the shortest possible length of an established cemented hip stem in order to reduce stress shielding and optimise its bending behaviour.
Methods: Twenty-five prototypes from the same batch (five for each stem length) were included. Lengths resulted from the original length (100 %) and four dista...
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Prudhon, Jean-Louis Desmarchelier, R. Moussa Hamadouche Delaunay, C. Verdier, R. SoFcot,
Published in
International Orthopaedics
Introduction: The causes for revision of primary total hip arthroplasty (THA) are various and quite well known. The developing use of dual-mobility THA (DM-THA) seems a relevant option to decrease the risk of instability. Due to lack of long-term follow-up, this innovative retentive concept is suspected to increase the risk of polyethylene (PE) wea...
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Felden, A. Vaz, G. Kreps, S. Anract, P. Moussa Hamadouche Biau, D. J.
Published in
The Bone & Joint Journal
Conventional cemented acetabular components are reported to have a high rate of failure when implanted into previously irradiated bone. We recommend the use of a cemented reconstruction with the addition of an acetabular reinforcement cross to improve fixation. We reviewed a cohort of 45 patients (49 hips) who had undergone irradiation of the pelvi...
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Abane, L. Anract, P. Boisgard, S. Descamps, S. Courpied, J. P. Moussa Hamadouche
Published in
The Bone & Joint Journal
In this study we randomised 140 patients who were due to undergo primary total knee arthroplasty (TKA) to have the procedure performed using either patient-specific cutting guides (PSCG) or conventional instrumentation (CI). The primary outcome measure was the mechanical axis, as measured at three months on a standing long-leg radiograph by the hip...
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Moussa Hamadouche Stern, Luis Lopez-Duran
Published in
International Orthopaedics
Periprosthetic fracture after total knee arthroplasty presents a difficult complication for many orthopaedic surgeons. These fractures occur most frequently around the distal femur followed by the patella and then tibia. These fractures are frequently complicated by poor bone quality or compromised bone due to the presence of the implants. Surgical...
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Langlois, Jean Zaoui, Amine Ozil, Camille Courpied, Jean-Pierre Anract, Philippe Moussa Hamadouche
Published in
International Orthopaedics
Purpose: We prospectively compared two types of dressing (conventional gauze-based versus absorbing hydrofibre) after primary total hip (THA) or knee (TKA) arthroplasties.
Methods: Eighty candidates for THA (n = 40) or TKA (s = 40) were randomized: gauze-based versus hydrofibre absorbing (Aquacel®, ConvaTec). The two groups were comparable at ba...
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Scemama, Caroline Dora, Claudio Langlois, Jean Moussa Hamadouche
Published in
International Orthopaedics
PURPOSE: Highly cross-linked polyethylenes (PE) have been developed with encouraging results in terms of wear. Another body of the literature has indicated potential catastrophic failures related to reduced fatigue properties and oxidation. Each PE available on the market has its own processing characteristics. The aim of this retrospective study w...
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Langlois, Jean Zaoui, Amine Scemama, Caroline Martell, John Bragdon, Charles Moussa Hamadouche
Published in
Journal of Orthopaedic Research®
Although cemented all polyethylene (PE) cups have been routinely used in total hip arthroplasty for decades, no computer-assisted method for measurement of radiographic wear has ever been specifically validated for these implants. Using a validated hip phantom model, AP plain hip radiographs were obtained consecutively for eight simulated wear posi...
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Scemama, Caroline David, Bertrand Morad Bensidhoum Moussa Hamadouche
Published in
International Orthopaedics
The osseointegration of biomimetic and electrolytic implants was equivalent to a positive control at 12 weeks.
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Ehlinger, M. Delaunay, C. Karoubi, M. Bonnomet, F. Ramdane, N. Moussa Hamadouche Societe francaise de chirurgie orthopedi...
Published in
Orthopaedics & Traumatology Surgery & Research
Background: Revision total hip arthroplasty (reTHA) for peri-prosthetic fracture (PPF) is increasingly performed but still ranks fourth among reasons for reTHA in registries. In France, no specific registry is available and the frequency of PPF among reasons for THA revision is therefore unknown. Here, our objectives were to determine the relative ...
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Langlois, Jean El Hage, Samer Moussa Hamadouche
Published in
Skeletal Radiology
Though dual mobility cups have gained growing popularity as a solution for instability in total hip replacements, these promising devices are subject to a specific implant failure mode, named intraprosthetic dislocation. We present the case of a patient sustaining such an adverse event. The planned revision surgery was postponed 12 months due to a ...
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Palazzo, Clémence Jourdan, Claire Descamps, Stéphane Nizard, Rémi Moussa Hamadouche Anract, Philippe Boisgard, Stéphane Galvin, Myriam Ravaud, Philippe Poiraudeau, Serge
...
Published in
BMC Musculoskeletal Disorders
BACKGROUND: Between 7% and 15% of patients are dissatisfied after total hip arthroplasty (THA). To assess predictors and postoperative determinants of satisfaction and expectation fulfilment one year after (THA). METHODS: Before THA surgery, 132 patients from three tertiary care centres and their surgeons were interviewed to assess their expectatio...
