hip prosthesis

Summary

Summary: Replacement for a hip joint.

Top Publications

  1. ncbi Long-term results with cementless Fitek (or Fitmore) cups
    Piergiorgio Marchetti
    Clinica Ortopedica, Istituto Ortopedico Rizzoli, Bologna, Italy
    J Arthroplasty 20:730-7. 2005
  2. ncbi Guidelines for standardization of radiostereometry (RSA) of implants
    Edward R Valstar
    Department of Orthopaedics, Leiden University Medical Center, The Netherlands
    Acta Orthop 76:563-72. 2005
  3. pmc Cemented versus uncemented hemiarthroplasty for displaced femoral neck fractures
    Wender Figved
    Orthopaedic Centre, Ulleval University Hospital, Oslo, Norway
    Clin Orthop Relat Res 467:2426-35. 2009
  4. pmc Uncemented and cemented primary total hip arthroplasty in the Swedish Hip Arthroplasty Register
    Nils P Hailer
    Department of Orthopaedics, Institute of Surgical Sciences, Uppsala University Hospital, Uppsala, Sweden
    Acta Orthop 81:34-41. 2010
  5. ncbi Hip contact forces and gait patterns from routine activities
    G Bergmann
    Biomechanics Laboratory, Benjamin Frunklin School of Medicine, Free University of Berlin, Hindenburgdamm 30, 12203, Berlin, Germany
    J Biomech 34:859-71. 2001
  6. pmc A retrospective comparative study of mortality and causes of death among patients with metal-on-metal and metal-on-polyethylene total hip prostheses in primary osteoarthritis after a long-term follow-up
    Tuomo Visuri
    Research Institute of Military Medicine, Helsinki, Finland
    BMC Musculoskelet Disord 11:78. 2010
  7. pmc Early migration characteristics of a hydroxyapatite-coated femoral stem: an RSA study
    David Campbell
    Orthopaedic Unit, Repatriation General Hospital, Adelaide, South Australia, Australia
    Int Orthop 35:483-8. 2011
  8. doi Six-year results of a prospective study of metal ion levels in young patients with metal-on-metal hip resurfacings
    J Daniel
    The McMinn Centre, 25 Highfield Road, Birmingham B15 3DP, UK
    J Bone Joint Surg Br 91:176-9. 2009
  9. pmc Risk of cancer in first seven years after metal-on-metal hip replacement compared with other bearings and general population: linkage study between the National Joint Registry of England and Wales and hospital episode statistics
    Alison J Smith
    Musculosketal Research Unit, School of Clinical Sciences, University of Bristol, Avon Orthopaedic Centre, Bristol BS10 5NB, UK
    BMJ 344:e2383. 2012
  10. pmc Notes on the use and interpretation of radiostereometric analysis
    Brian Derbyshire
    Centre for Hip Surgery, Wrightington Hospital, Appley Bridge, UK
    Acta Orthop 80:124-30. 2009

Detail Information

Publications372 found, 100 shown here

  1. ncbi Long-term results with cementless Fitek (or Fitmore) cups
    Piergiorgio Marchetti
    Clinica Ortopedica, Istituto Ortopedico Rizzoli, Bologna, Italy
    J Arthroplasty 20:730-7. 2005
    ..7 years, was 100% (end point: revision for any cause). Fitek cup showed good clinicoradiographic results...
  2. ncbi Guidelines for standardization of radiostereometry (RSA) of implants
    Edward R Valstar
    Department of Orthopaedics, Leiden University Medical Center, The Netherlands
    Acta Orthop 76:563-72. 2005
    ..Such a protocol-also including other recognized clinical outcome parameters-will reduce the risk of implanting potentially inferior prostheses on a large scale...
  3. pmc Cemented versus uncemented hemiarthroplasty for displaced femoral neck fractures
    Wender Figved
    Orthopaedic Centre, Ulleval University Hospital, Oslo, Norway
    Clin Orthop Relat Res 467:2426-35. 2009
    ..The rates of complications and mortality were similar between groups. Both arthroplasties may be used with good results after displaced femoral neck fractures...
  4. pmc Uncemented and cemented primary total hip arthroplasty in the Swedish Hip Arthroplasty Register
    Nils P Hailer
    Department of Orthopaedics, Institute of Surgical Sciences, Uppsala University Hospital, Uppsala, Sweden
    Acta Orthop 81:34-41. 2010
    ..We therefore analyzed implant survival of cemented and uncemented THA, and whether the modes of failure differ between the two methods of fixation...
  5. ncbi Hip contact forces and gait patterns from routine activities
    G Bergmann
    Biomechanics Laboratory, Benjamin Frunklin School of Medicine, Free University of Berlin, Hindenburgdamm 30, 12203, Berlin, Germany
    J Biomech 34:859-71. 2001
    ..Because the hip joint loading during all other common activities of most hip patients are comparably small (except during stumbling), implants should mainly be tested with loading conditions that mimic walking and stair climbing...
  6. pmc A retrospective comparative study of mortality and causes of death among patients with metal-on-metal and metal-on-polyethylene total hip prostheses in primary osteoarthritis after a long-term follow-up
    Tuomo Visuri
    Research Institute of Military Medicine, Helsinki, Finland
    BMC Musculoskelet Disord 11:78. 2010
    ..We analyzed the causes of total and site-specific mortality among a cohort of patients with MM and with metal-on-polyethylene (MP) THA after a long follow-up time...
  7. pmc Early migration characteristics of a hydroxyapatite-coated femoral stem: an RSA study
    David Campbell
    Orthopaedic Unit, Repatriation General Hospital, Adelaide, South Australia, Australia
    Int Orthop 35:483-8. 2011
    ..The results from this study can be compared with those from novel cementless stem designs to help predict the long-term outcome one may expect from new cementless stem designs...
  8. doi Six-year results of a prospective study of metal ion levels in young patients with metal-on-metal hip resurfacings
    J Daniel
    The McMinn Centre, 25 Highfield Road, Birmingham B15 3DP, UK
    J Bone Joint Surg Br 91:176-9. 2009
    ..Subsequently there is a decreasing trend in excretion of both cobalt and chromium. The levels of cobalt and chromium in whole blood also show a significant increase at one year, followed by a decreasing trend until the sixth year...
  9. pmc Risk of cancer in first seven years after metal-on-metal hip replacement compared with other bearings and general population: linkage study between the National Joint Registry of England and Wales and hospital episode statistics
    Alison J Smith
    Musculosketal Research Unit, School of Clinical Sciences, University of Bristol, Avon Orthopaedic Centre, Bristol BS10 5NB, UK
    BMJ 344:e2383. 2012
    ....
  10. pmc Notes on the use and interpretation of radiostereometric analysis
    Brian Derbyshire
    Centre for Hip Surgery, Wrightington Hospital, Appley Bridge, UK
    Acta Orthop 80:124-30. 2009
    ..Alternatives are proposed, and a statistical analysis is presented, from which a sample size of 50 is recommended for screening of newly introduced prostheses...
  11. pmc Competing risks survival analysis applied to data from the Australian Orthopaedic Association National Joint Replacement Registry
    Marianne H Gillam
    School of Population Health and Clinical Practice, University of Adelaide, Adelaide, Australia
    Acta Orthop 81:548-55. 2010
    ..In the presence of a competing risk such as death, KM is known to overestimate the probability of revision. We investigated the degree to which the risk of revision is overestimated in registry data...
  12. doi Serum metal ion levels after second-generation metal-on-metal total hip arthroplasty
    Takao Imanishi
    Department of Orthopaedic Surgery, Mie University Graduate School of Medicine, 2 174 Edobashi, Tsu, Mie, 514 8507, Japan
    Arch Orthop Trauma Surg 130:1447-50. 2010
    ..We investigated serum levels of cobalt and chromium ions in patients with successfully implanted second-generation metal-on-metal total hip arthroplasty (THA) using PINNACLE-A (DePuy, Warsaw, IN, USA)...
  13. pmc The John Charnley Award: risk factors for cup malpositioning: quality improvement through a joint registry at a tertiary hospital
    Mark C Callanan
    Harris Orthopaedic Laboratory, Massachusetts General Hospital, 55 Fruit Street, GRJ 1206, Boston, MA 02114, USA
    Clin Orthop Relat Res 469:319-29. 2011
    ..Few studies have examined factors that affect acetabular cup positioning. Since cup positioning has been linked to dislocation and increased bearing surface wear, these factors affecting cup position are important considerations...
  14. pmc Inferior outcome after hip resurfacing arthroplasty than after conventional arthroplasty. Evidence from the Nordic Arthroplasty Register Association (NARA) database, 1995 to 2007
    Per Erik Johanson
    Department of Orthopedics, Sahlgrenska University Hospital, University of Gothenburg, Sweden
    Acta Orthop 81:535-41. 2010
    ..We therefore determined the outcome of HRA in the NARA database, which is common to all 3 countries, and compared it to the outcome of conventional total hip arthroplasty (THA)...
  15. doi Birmingham hip resurfacing: a minimum follow-up of ten years
    R B C Treacy
    Royal Orthopaedic Hospital, Bristol Road South, Northfield, Birmingham B31 2AP, UK
    J Bone Joint Surg Br 93:27-33. 2011
    ....
  16. pmc Mid-term results of 155 patients treated with a collum femoris preserving (CFP) short stem prosthesis
    Daniel Briem
    Endoclinic Hamburg, Hamburg, Germany
    Int Orthop 35:655-60. 2011
    ..With regard to outcome, survivorship and complication rate, the medium-term results of the CFP prosthesis are promising...
  17. doi Eight- to ten-year clinical and radiographic outcome of a porous tantalum monoblock acetabular component
    George Macheras
    Department of Orthopaedics, IKA Hospital, Athens, Greece
    J Arthroplasty 24:705-9. 2009
    ..There were 7 (4.5%) postoperative complications all unrelated to the acetabular component...
  18. pmc Hip arthroplasty in patients younger than 30 years: excellent ten to 16-year follow-up results with a HA-coated stem
    H Wangen
    Department of Orthopaedics, Rikshospitalet Radiumhospitalet Medical Centre, 0027, Oslo, Norway
    Int Orthop 32:203-8. 2008
    ..In this study, we evaluated the results of total 49 hip replacements (THRs) using an uncemented total hip prosthesis in 44 patients (28 females) who were 30 years or younger (range: 15-30 years)...
  19. doi The effect of component size and orientation on the concentrations of metal ions after resurfacing arthroplasty of the hip
    D J Langton
    Joint Replacement Unit, University Hospital of North Tees, Hardwick, Stockton on Tees TS19 8PE, UK
    J Bone Joint Surg Br 90:1143-51. 2008
    ..Accurate positioning of the acetabular component intra-operatively is essential in order to reduce the concentration of metal ions in the blood after hip resurfacing arthroplasty with the Articular Surface Replacement implant...
  20. ncbi Femoral head size is a risk factor for total hip luxation: a study of 42,987 primary hip arthroplasties from the Norwegian Arthroplasty Register
    Sven Byström
    Department of Orthopaedic Surgery, Haukeland University Hospital, Bergen, Norway
    Acta Orthop Scand 74:514-24. 2003
    ..A posterior approach increased the risk of revision more than a lateral one (FRR 1.9, 95% CI 1.4-2.5). Gender, trochanteric osteotomy and duration of the operation did not affect the results...
  21. pmc Risk factors for revision due to infection after primary total hip arthroplasty. A population-based study of 80,756 primary procedures in the Danish Hip Arthroplasty Registry
    Alma B Pedersen
    Department of Clinical Epidemiology, Aarhus University Hospital, Arhus, Denmark
    Acta Orthop 81:542-7. 2010
    ..We therefore studied patient- and surgery-related risk factors for revision due to infection after primary THA in a population-based setting...
  22. doi Pseudotumours associated with metal-on-metal hip resurfacings
    H Pandit
    Nuffield Orthopaedic Centre, Oxford, England
    J Bone Joint Surg Br 90:847-51. 2008
    ..We are concerned that with time the incidence of these pseudotumours may increase. Further investigation is required to define their cause...
  23. pmc What works best, a cemented or cementless primary total hip arthroplasty?: minimum 17-year followup of a randomized controlled trial
    Kristoff Corten
    London Health Sciences Centre, University Campus, 339 Windermere Road, London, ON N6A 5A5, Canada
    Clin Orthop Relat Res 469:209-17. 2011
    ..Total hip arthroplasty (THA) has been associated with high survival rates, but debate remains concerning the best fixation mode of THA...
  24. pmc Osteonecrosis following resurfacing arthroplasty
    Gösta Ullmark
    Department of Orthopedics, Gävle Hospital and Center for Research and Development, Uppsala University County Council of Gavleborg, Gavle, Sweden
    Acta Orthop 80:670-4. 2009
    ....
  25. ncbi The transverse acetabular ligament: an aid to orientation of the acetabular component during primary total hip replacement: a preliminary study of 1000 cases investigating postoperative stability
    H A P Archbold
    Outcomes Unit Musgrave Park Hospital, Stockmans Lane, Belfast BT9 7JB, Northern Ireland
    J Bone Joint Surg Br 88:883-6. 2006
    ..6%. This confirms our hypothesis that the transverse acetabular ligament can be used to determine the position of the acetabular component. The method has been used in both conventional and minimally-invasive approaches...
  26. ncbi Exposure to chromium, cobalt and molybdenum from metal-on-metal total hip replacement and hip resurfacing arthroplasty
    Wolf Christoph Witzleb
    Department of Orthopaedic Surgery, Universty Hospital Carl Gustav Carus, Dresden University of Technology, Dresden, Germany
    Acta Orthop 77:697-705. 2006
    ....
  27. pmc Cementless total hip arthroplasty with ceramic-on-ceramic bearing in patients younger than 45 years with femoral-head osteonecrosis
    Young Hoo Kim
    Joint Replacement Center of Korea, Ewha Womans University School of Medicine, Seoul, Korea
    Int Orthop 34:1123-7. 2010
    ..1-year follow-up in this series of young patients with femoral-head osteonecrosis...
  28. doi Sensitivity and specificity of blood cobalt and chromium metal ions for predicting failure of metal-on-metal hip replacement
    A J Hart
    Imperial College London, Department of Musculoskeletal Surgery, Charing Cross Hospital Campus, Fulham Palace Road, London W6 8RF, UK
    J Bone Joint Surg Br 93:1308-13. 2011
    ..Blood metal ions had good discriminant ability to separate failed from well-functioning hip replacements. The MHRA cut-off level of 7 ppb provides a specific test but has poor sensitivity...
  29. pmc Alumina-on-alumina hip arthroplasty in patients younger than 30 years old
    R Nizard
    Department of Orthopaedic Surgery, Lariboisiere Hospital, 2, rue A Paré, 75010 Paris, France
    Clin Orthop Relat Res 466:317-23. 2008
    ..The main limiting factor in this series was the fixation of the acetabular component. However, improvements in the design and in the mode of fixation of this component should enhance long-term results...
  30. doi Decreased dislocation after revision total hip arthroplasty using larger femoral head size and posterior capsular repair
    Matthew T Hummel
    Department of Orthopaedic Surgery, University of Louisville, School of Medicine, Louisville, Kentucky 40202, USA
    J Arthroplasty 24:73-6. 2009
    ..7%) (P < .05). Based on the results of this retrospective review, the authors recommend the use of both larger femoral head sizes and repair of any posterior capsular tissue available in patients undergoing revision hip arthroplasty...
  31. doi Survival of metal-on-metal hip resurfacing arthroplasty: a systematic review of the literature
    W van der Weegen
    Department of Orthopaedic Surgery, St Anna Hospital, Geldrop, The Netherlands
    J Bone Joint Surg Br 93:298-306. 2011
    ..None of the hip resurfacing arthroplasty implants used to date met the full ten-year NICE benchmark of survival. A total of 13 studies showed satisfactory survival compared with the three-year NICE benchmark...
  32. ncbi Serum cobalt and chromium elevations following hip resurfacing with the Cormet 2000 device
    D Gordon Allan
    Southern Illinois University, School of Medicine, Division of Orthopedics and Rehabilitation, Springfield, IL 62794 9679, USA
    J Surg Orthop Adv 16:12-8. 2007
    ..Future studies are needed to determine what serum Co/Cr levels are of clinical concern, particularly in outlier cases...
  33. doi Retrieval analysis of 240 metal-on-metal hip components, comparing modular total hip replacement with hip resurfacing
    A Matthies
    Department of Musculoskeletal Surgery, Imperial College London, London, United Kingdom
    J Bone Joint Surg Br 93:307-14. 2011
    ..These findings show that failed metal-on-metal hip resurfacing and modular THRs have similar component wear rates and are both associated with raised pre-revision blood levels of metal ions...
  34. pmc A modular cementless stem vs. cemented long-stem prostheses in revision surgery of the hip: a population-based study from the Swedish Hip Arthroplasty Register
    Rudiger J Weiss
    Department of Molecular Medicine and Surgery, Section of Orthopaedics and Sports Medicine, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden
    Acta Orthop 82:136-42. 2011
    ..In this paper, we review risk factors for the outcome of the Link MP stem and report implant survival compared to conventional cemented long-stem hip revision arthroplasties...
  35. doi A prospective metal ion study of large-head metal-on-metal bearing: a matched-pair analysis of hip resurfacing versus total hip replacement
    Paul E Beaule
    The Ottawa Hospital, University of Ottawa, Ottawa, ON, Canada
    Orthop Clin North Am 42:251-7, ix. 2011
    ..51 vs 1.02, P = .002), and 2 years (3.77 vs 1.22, P<.001) following surgery. No differences in chromium ions were observed. Further research is required to determine the clinical significance of elevated serum cobalt ions...
  36. doi Randomised controlled trial comparing early migration of two collarless polished cemented stems using radiostereometric analysis
    R W McCalden
    London Health Sciences Centre, University of Western Ontario, 339 Windermere Road, London, Ontario, Canada N6A 5A5
    J Bone Joint Surg Br 92:935-40. 2010
    ..The subtle differences in designs may explain the different patterns of migration. Comparable migration with the Exeter stem suggests that the CPCS design will perform well in the long term...
  37. doi Correlation between inclination of the acetabular component and metal ion levels in metal-on-metal hip resurfacing replacement
    R de Haan
    University Hospital Brussels, Laarbeeklaan 101, 1090 Brussels, Belgium
    J Bone Joint Surg Br 90:1291-7. 2008
    ..This is probably due to a greater risk of edge-loading...
  38. pmc Thirty years of experience with alumina-on-alumina bearings in total hip arthroplasty
    Didier Hannouche
    Department of Orthopaedic Surgery and Traumatology, AP HP, Hôpital Lariboisière University Paris 7, 2 rue Ambroise Pare, 75010 Paris, France
    Int Orthop 35:207-13. 2011
    ..4% at ten years. However, concern remains over ceramic liner fracture and squeaking, which has been noted recently with increasing prevalence. This review will discuss the current knowledge on the use of alumina-on-alumina bearings...
  39. pmc Surgical variables influence metal ion levels after hip resurfacing
    Nicholas M Desy
    Division of Orthopaedic Surgery, Montreal General Hospital, McGill University Health Centre, Montreal, QC, Canada
    Clin Orthop Relat Res 469:1635-41. 2011
    ..However, there exists some controversy regarding the effect of different surgical variables on the concentration of metal ions in whole blood of patients after hip resurfacing...
  40. doi Fixed or loose? Dichotomy in RSA data for cemented cups
    Per Aspenberg
    Department of Orthopaedics, IKE, Faculty of Health Sciences, Linkoping, Sweden
    Acta Orthop 79:467-73. 2008
    ..We present an exploratory evaluation of such a dichotomy using a mixture distribution algorithm...
  41. ncbi Blood and urine metal ion levels in young and active patients after Birmingham hip resurfacing arthroplasty: four-year results of a prospective longitudinal study
    J Daniel
    The McMinn Centre, 25 Highfield Road, Edgbaston, Birmingham B15 3DP, UK
    J Bone Joint Surg Br 89:169-73. 2007
    ..The levels in this study provide a baseline against which the in vivo wear performance of newer bearings can be compared...
  42. doi What is the benefit of introducing new hip and knee prostheses?
    Rajan Anand
    Discipline of Public Health, University of Adelaide, MDP DX650, 511 Australia SA 5005
    J Bone Joint Surg Am 93:51-4. 2011
    ..The underlying purpose of the introduction of new devices is to improve patient outcomes. This study was undertaken to determine how many new prostheses were associated with improved patient outcomes...
  43. doi Long-term results of the ABG-1 hydroxyapatite coated total hip arthroplasty: analysis of 111 cases with a minimum follow-up of 10 years
    R Bidar
    Department of Orthopaedics and Traumatology, Carémeau Teaching Hospital Center, place du Pr Robert Debré, 30029 Nimes Cedex 9, France
    Orthop Traumatol Surg Res 95:579-87. 2009
    ....
  44. doi Birmingham hip resurfacing: the prevalence of failure
    A D Carrothers
    Robert Jones and Agnes Hunt Orthopaedic Hospital, Gobowen, Oswestry SY10 7AG, UK
    J Bone Joint Surg Br 92:1344-50. 2010
    ..5 years, 0.02 to 11.0). There was a significantly shorter time to failure in men (mean 2.1 years, 0.4 to 8.7) compared with women (mean 3.6 years, 0.003 to 11.0) (p < 0.001)...
  45. doi Cementless Metasul metal-on-metal total hip arthroplasties at 13 years
    Filippo Randelli
    Divisione Ortopedia II, IRCCS Policlinico San Donato, 20097 San Donato Milanese, Milan, Italy
    J Arthroplasty 27:186-92. 2012
    ..Metal wear-related aseptic loosening was not the major reason for failure in our Metasul metal-on-metal THAs. Recurrent dislocation was the main reason for revision in our series...
  46. pmc Do ion levels in hip resurfacing differ from metal-on-metal THA at midterm?
    A Moroni
    Department II of Orthopaedics and Traumatology, Bologna University, Rizzoli Orthopaedic Institute, Via G C Pupilli 1, 40136 Bologna, Italy
    Clin Orthop Relat Res 469:180-7. 2011
    ..Metal-on-metal Birmingham hip resurfacing (MOM-BHR) is an alternative to metal-on-metal total hip arthroplasty (MOM-THA), especially for young and/or active patients. However, wear resulting in increased serum ion levels is a concern...
  47. pmc Trabecular Metal cups for acetabular defects with 50% or less host bone contact
    Dror Lakstein
    Orthopedic Department, Division of Arthroplasty, Mount Sinai Hospital, 600 University Avenue, Suite 476A, Toronto, ON, M5G 1X5, Canada
    Clin Orthop Relat Res 467:2318-24. 2009
    ..The data suggest treatment of cavitary defects with less than 50% host bone contact using Trabecular Metal cups, without structural support by augments or structural bone grafts, is a reasonable option...
  48. doi The results of the titanium-coated RM acetabular component at 20 years: a long-term follow-up of an uncemented primary total hip replacement
    M Ihle
    Orthopädische Klinik Kassel, Wilhelmshöher Allee 345, D 34131 Kassel, Germany
    J Bone Joint Surg Br 90:1284-90. 2008
    ....
  49. doi Suppression of metal artifacts in CT using a reconstruction procedure that combines MAP and projection completion
    Catherine Lemmens
    Department of Nuclear Medicine, K U Leuven, B 3000 Leuven, Belgium
    IEEE Trans Med Imaging 28:250-60. 2009
    ..This constrained image is the basis for an image-based projection completion procedure. The algorithm was validated on simulations, phantom and patient data, and compared with other metal artifact reduction algorithms...
  50. doi The Exeter Universal cemented femoral component at 15 to 17 years: an update on the first 325 hips
    N C Carrington
    Princess Elizabeth Orthopaedic Centre, Exeter, England
    J Bone Joint Surg Br 91:730-7. 2009
    ..8) (0 to 48 worst-to-best scale) and the mean combined Harris pain and function score was 73.2 (SD 16.9). Radiological review showed excellent preservation of bone stock in the proximal femur and no failures of the femoral component...
  51. ncbi Radiographic evaluation of a monoblock acetabular component: a multicenter study with 2- to 5-year results
    Thomas A Gruen
    Zonal Concepts, Wesley Chapel, Florida, USA
    J Arthroplasty 20:369-78. 2005
    ....
  52. ncbi Increased surgical volume is associated with lower THA dislocation rates
    Todd C Battaglia
    Department of Orthopaedic Surgery, University of Virginia Health Sciences Center, Charlottesville, VA, USA
    Clin Orthop Relat Res 447:28-33. 2006
    ..This correlation appears to be stronger and is more clearly established for surgeon volumes than it is for hospital volumes...
  53. doi The Harris-Galante porous-coated, hemispherical, polyethylene-lined acetabular component in patients under 50 years of age: a 12- to 16-year review
    M R Utting
    Royal Perth Rehabilitation Hospital, 6 Selby Street, Shenton Park, Western Australia 6008, Australia
    J Bone Joint Surg Br 90:1422-7. 2008
    ..5 to 93.5) and for impending revision 55.3% (95% confidence interval 40.6 to 70) at 16 years. Uncemented acetabular components with polyethylene liners undergo silent lysis and merit regular long-term radiological review...
  54. pmc Histological features of pseudotumor-like tissues from metal-on-metal hips
    Pat Campbell
    J Vernon Luck Sr MD Orthopaedic Research Center, Orthopaedic Hospital UCLA, 2400 S Flower Street, Los Angeles, CA 90007, USA
    Clin Orthop Relat Res 468:2321-7. 2010
    ..The tissue features may help distinguish reactions to high wear from those with suspected metal hypersensitivity...
  55. doi [Management of periprosthetic infection]
    C Friesecke
    c o ENDO Klinik, Holstenstrasse 2, 22767, Hamburg, Deutschland
    Chirurg 79:777-92; quiz 793-4. 2008
    ....
  56. ncbi High-precision measurements of cementless acetabular components using model-based RSA: an experimental study
    Thomas Baad-Hansen
    Department of Orthopaedic Surgery, Aarhus University Hospital, Denmark
    Acta Orthop 78:463-9. 2007
    ..Within the last few years, new software systems have been developed to solve this problem. We compared the precision of 3 RSA systems in migration analysis of the acetabular component...
  57. doi Circulating levels of cobalt and chromium from metal-on-metal hip replacement are associated with CD8+ T-cell lymphopenia
    A J Hart
    Department of Musculoskeletal Surgery Charing Cross, Imperial College, London, England
    J Bone Joint Surg Br 91:835-42. 2009
    ....
  58. ncbi The premature failure of the Charnley Elite-Plus stem: a confirmation of RSA predictions
    J Hauptfleisch
    Oxford Orthopaedic Engineering Centre The Botnar Research Centre, University of Oxford, Nuffield Orthopaedic Centre, Windmill Road, Headington, Oxford OX3 7LD, UK
    J Bone Joint Surg Br 88:179-83. 2006
    ..Our findings have also shown that rapid posterior head migration is predictive of premature loosening and a better predictor than subsidence...
  59. pmc A prospective randomized study comparing electrochemically deposited hydroxyapatite and plasma-sprayed hydroxyapatite on titanium stems
    Berte Grimsmo Bøe
    Department of Orthopaedics, Oslo University Hospital, Ulleval, Norway
    Acta Orthop 82:13-9. 2011
    ..We investigated whether an electrochemically deposited hydroxyapatite, Bonemaster (BM), might be a safe alternative in total hip arthroplasty. Our hypothesis was that the new coating would not be inferior to the conventional one...
  60. ncbi Primary total hip arthroplasty with a proximally porous-coated femoral stem
    Raj K Sinha
    University of Pittsburgh Medical Center, Pennsylvania, USA
    J Bone Joint Surg Am 86:1254-61. 2004
    ..The purpose of the present report was to examine the five to ten-year results associated with the use of a so-called second-generation circumferentially proximally porous-coated titanium-alloy stem...
  61. pmc Risk of complication and revision total hip arthroplasty among Medicare patients with different bearing surfaces
    Kevin J Bozic
    Department of Orthopaedic Surgery, University of California, San Francisco, CA 94143 0728, USA
    Clin Orthop Relat Res 468:2357-62. 2010
    ..These bearing surfaces are associated with unique risks and benefits and higher costs. However the relative risks of these three bearings in an older population is unknown...
  62. pmc Design-related risk factors for revision of primary cemented stems
    Truike M Thien
    Department of Orthopaedics, Institute of Clinical Sciences at Sahlgrenska Academy, University of Gothenburg, Sweden
    Acta Orthop 81:407-12. 2010
    ..We investigated whether design-related factors play any role in the risk of non-aseptic revision of the 3 most frequently used primary cemented stem designs in the Swedish Hip Arthroplasty Register...
  63. ncbi Aseptic loosening, not only a question of wear: a review of different theories
    Mikael Sundfeldt
    Department of Biomaterials Handicap Research, Sahlgrenska University Hospital, University of Gothenburg, Sweden
    Acta Orthop 77:177-97. 2006
    ..In this review, we discuss the most common theories concerning aseptic loosening. It emerges from this review that aseptic loosening has a multifactorial etiology and cannot be explained by a single theory...
  64. ncbi FDG PET for differentiation of infection and aseptic loosening in total hip replacements: comparison with conventional radiography and three-phase bone scintigraphy
    Katrin D M Stumpe
    Department of Medical Radiology, Division of Nuclear Medicine, University Hospital, CH 8091 Zurich, Switzerland
    Radiology 231:333-41. 2004
    ....
  65. pmc 18 years of results with cemented primary hip prostheses in the Norwegian Arthroplasty Register: concerns about some newer implants
    Birgitte Espehaug
    The Norwegian Arthroplasty Register, Department of Orthopaedic Surgery, Haukeland University Hospital, Bergen, Norway
    Acta Orthop 80:402-12. 2009
    ..We studied long-term outcome based on data in the Norwegian Arthroplasty Register...
  66. ncbi Total hip arthroplasty for rheumatoid arthritis in younger patients: 2,557 replacements in the Finnish Arthroplasty Register followed for 0-24 years
    Antti Eskelinen
    Orton Orthopedic Hospital, Invalid Foundation, Helsinki, Finland
    Acta Orthop 77:853-65. 2006
    ..On a nationwide level, the outcome of THA in these patients is unknown. We evaluated the population-based survival of THA in patients under 55 years of age with RA and factors affecting the survival...
  67. ncbi Cup inclination angle of greater than 50 degrees increases whole blood concentrations of cobalt and chromium ions after metal-on-metal hip resurfacing
    A J Hart
    Department of Musculoskeletal Surgery, Imperial College Healthcare NHS Trust, Charing Cross Hospital, London, UK
    Hip Int 18:212-9. 2008
    ..The implication is that metal levels can be minimised with optimal orientation of the acetabular component...
  68. doi Revision following cemented and uncemented primary total hip replacement: a seven-year analysis from the New Zealand Joint Registry
    G J Hooper
    Department of Orthopaedic Surgery and Musculoskeletal Medicine, Christchurch Public Hospital, Private Bag, PO Box 4710 Christchurch, New Zealand
    J Bone Joint Surg Br 91:451-8. 2009
    ....
  69. ncbi How do serum cobalt and chromium levels change after metal-on-metal hip resurfacing?
    Diane L Back
    Melbourne Orthopaedic Group, Melbourne, Australia
    Clin Orthop Relat Res 438:177-81. 2005
    ..All implants were functioning well, with no radiographic evidence of loosening. These levels will continue to be monitored to establish when minimum metal ion levels are reached...
  70. ncbi Management of infection associated with total hip arthroplasty according to a treatment algorithm
    S G Giulieri
    Medical University Clinic, Kantonsspital, CH 4410 Liestal, Switzerland
    Infection 32:222-8. 2004
    ..An algorithm for the management of hip arthroplasty-associated infections was validated in a cohort study...
  71. doi The seven-year wear of highly cross-linked polyethylene in total hip arthroplasty: a double-blind, randomized controlled trial using radiostereometric analysis
    Geraint E R Thomas
    Biomedical Research Unit, Headington, Oxford OX3 7LD, United Kingdom
    J Bone Joint Surg Am 93:716-22. 2011
    ....
  72. doi Functional outcome of femoral peri prosthetic fracture and revision hip arthroplasty: a matched-pair study from the New Zealand Registry
    Simon W Young
    Department of Orthopaedic Surgery, Middlemore Hospital, Auckland, New Zealand
    Acta Orthop 79:483-8. 2008
    ..We analyzed functional outcome for revision THA following periprosthetic fracture, and compared this to the outcome of elective revision THA performed for aseptic loosening...
  73. ncbi Cementless CUT femoral neck prosthesis: increased rate of aseptic loosening after 5 years
    Stephan Albrecht Ender
    Department of Orthopedic Surgery, Otto von Guericke University, Magdeburg, Germany
    Acta Orthop 78:616-21. 2007
    ..Bone-saving hip arthroplasty techniques, which facilitate revision, are gaining importance as the number of hip replacements in younger patients increases...
  74. doi Metal ion interpretation in resurfacing versus conventional hip arthroplasty and in whole blood versus serum. How should we interpret metal ion data
    José M H Smolders
    Department of Orthopaedics, Rijnstate Hospital, Arnhem, The Netherlands
    Hip Int 21:587-95. 2011
    ..We cannot recommend the use of whole blood over serum measurements or vice versa. The provided conversion formula between whole blood and serum in combination with the presented practical guidelines may be useful for clinical practice...
  75. pmc Risk of cancer with metal-on-metal hip replacements: population based study
    Keijo T Mäkelä
    Department of Orthopaedics and Traumatology, Surgical Hospital, Turku University Hospital, FI 20701 Turku, Finland
    BMJ 345:e4646. 2012
    ..To assess the risk of cancer associated with modern primary metal-on-metal hip replacements...
  76. ncbi Long-term porous-coated cup survivorship using spikes, screws, and press-fitting for initial fixation
    Charles A Engh
    Anderson Orthopedic Research Institute, Alexandria, Virginia 22306, USA
    J Arthroplasty 19:54-60. 2004
    ..4% +/- 1.9% for press-fit cups with screws and 100% +/- 0.1% for press-fit cups. Despite an increasing incidence of polyethylene wear-related revisions, porous-coated acetabular components have demonstrated excellent long-term fixation...
  77. doi The effect of a single infusion of zoledronic acid on early implant migration in total hip arthroplasty. A randomized, double-blind, controlled trial
    Gerald Friedl
    Medical University of Graz, AT 8036 Graz, Austria
    J Bone Joint Surg Am 91:274-81. 2009
    ..The present trial was primarily designed to evaluate whether a single infusion of 4 mg of zoledronic acid prevented early implant migration in patients with osteonecrosis of the femoral head...
  78. ncbi Resurfacing THA for patients younger than 50 year: results of 2- to 9-year followup
    Harlan C Amstutz
    Joint Replacement Institute at Orthopaedic Hospital, 2400 S Flower Street, Los Angeles, CA 90007, USA
    Clin Orthop Relat Res 460:159-64. 2007
    ..Metal-on-metal resurfacing THA performs well at short to mid-term followup in young, active adults despite high activity levels...
  79. pmc Initial American experience with hip resurfacing following FDA approval
    Craig J Della Valle
    Department of Orthopaedic Surgery, Rush University Medical Center, Chicago, IL 60612, USA
    Clin Orthop Relat Res 467:72-8. 2009
    ..Level of Evidence: Level IV, therapeutic study. See the Guidelines for Authors for a complete description of levels of evidence...
  80. ncbi Radiological evaluation of the metal-bone interface of a porous tantalum monoblock acetabular component
    G A Macheras
    Department of Orthopaedics, First IKA Hospital Athens, 1 Zaimi Street, 15127, Athens, and Orthopaedic Department, School of Medicine, Faculty of Health Sciences, University of Thessaly, Larissa, Greece
    J Bone Joint Surg Br 88:304-9. 2006
    ..The bridging of the interface gaps (up to 5 mm) by the trabecular metal monoblock acetabular component indicates the strong osteoconductive, and possibly osteoinductive, properties of trabecular metal...
  81. ncbi Nonmodular flexible press-fit cup in primary total hip arthroplasty: 15-year followup
    Bernhard J Berli
    Orthopaedic Department, University Hospital Basel, Basel, Switzerland
    Clin Orthop Relat Res 461:114-21. 2007
    ..5%. Wear was greater in cups with an inclination greater than 45 degrees and in metal-polyethylene pairings compared with ceramic-polyethylene pairings. This cup design performs well over the long term...
  82. doi Total hip arthroplasty with an uncemented tapered femoral component
    Jeffrey R McLaughlin
    The Kennedy Center for the Hip and Knee, Mercy Medical Center, Suite 125, 2700 West Ninth Avenue, Oshkosh, WI 54901, USA
    J Bone Joint Surg Am 90:1290-6. 2008
    ....
  83. doi Long-term results for the uncemented Zweymuller/Alloclassic hip endoprosthesis. A 15-year minimum follow-up of 320 hip operations
    Andreas Suckel
    University Hospital Tuebingen, Clinic for Orthopedics, Tubingen, Germany
    J Arthroplasty 24:846-53. 2009
    ..For the stem/head, the survival rate was 98% (95% confidence interval, 94%-99%). In 95.2% of patients, no operative revision was required. The rate of aseptic loosening was 2% for the acetabular and 1% for the femoral component...
  84. ncbi Acetabular reconstruction with the Burch-Schneider ring: an EBRA analysis of 40 cup revisions
    Thomas Ilchmann
    Department of Orthopedics, Kantonsspital Liestal, Switzerland
    Acta Orthop 77:79-86. 2006
    ..In this retrospective study, we wanted to gain information on initial stability and wear after revision with the Burch-Schneider ring...
  85. ncbi EBRA migration patterns of the Plasmacup with ceramic or polyethylene inserts: a randomised study
    U Ochs
    BG Trauma Centre, University of Tuebingen, Schnarrenbergstrasse 95, Tuebingen, Germany
    Z Orthop Unfall 145:S20-4. 2007
    ..Mid-term results were recorded so that recommendations can be made on the use of certain bearings, which minimise wear and thus the danger of subsequent aseptic loosening...
  86. doi Metal-backed acetabular components with conventional polyethylene: a review of 9113 primary components with a follow-up of 20 years
    G Hallan
    Department of Orthopaedic Surgery, Haukeland University Hospital, Jonas Liesvei 65, 5021 Bergen, Norway geir hallan helse bergen no
    J Bone Joint Surg Br 92:196-201. 2010
    ..None of the metal-backed uncemented acetabular components with ultra-high-molecular-weight polyethylene liners in our study had satisfactory long-term results because of high rates of wear, osteolysis, aseptic loosening and dislocation...
  87. pmc Increased risk of revision of acetabular cups coated with hydroxyapatite
    Stergios Lazarinis
    Department of Orthopaedics, Institute of Surgical Sciences, Uppsala University Hospital, Uppsala, Sweden
    Acta Orthop 81:53-9. 2010
    ..Hydroxyapatite (HA) is the main inorganic component of bone, and HA coating is widely used on acetabular cups in hip arthroplasty. It has been suggested that this surface finish improves cup survival...
  88. doi Comparison of patient-reported outcomes between hip resurfacing and total hip replacement
    E A Lingard
    Department of Orthopaedics, Freeman Hospital, High Heaton, Newcastle upon Tyne, UK
    J Bone Joint Surg Br 91:1550-4. 2009
    ..04) and in all SF-36 domains (p < 0.05). Patients undergoing BHR report a significantly greater improvement in general health compared with those with a THR...
  89. pmc Progressive femoral cortical and cancellous bone density loss after uncemented tapered-design stem fixation
    Lutz A Mueller
    Department of Orthopaedic Surgery, Friedrich Alexander University of Erlangen Nuremberg, Erlangen
    Acta Orthop 81:171-7. 2010
    ..We present an in vivo method of computed tomography (CT) assisted osteodensitometry after THA that differentiates between cortical and cancellous bone density (BD) and area around the femoral component...
  90. pmc Outcome of primary resurfacing hip replacement: evaluation of risk factors for early revision
    Gareth H Prosser
    Perth Orthopaedic Institute, Fremantle Hospital and University of Western Australia, Australia
    Acta Orthop 81:66-71. 2010
    ..As a result, the AOANJRR has one of the largest series of resurfacing procedures. This study was undertaken to determine the results of this series and the risk factors associated with revision...
  91. pmc Ten-year results with the Morscher press-fit cup: an uncemented, non-modular, porous-coated cup inserted without screws
    Guido Garavaglia
    Division of Orthopaedics and Trauma Surgery, Geneva University Hospitals, 4, rue Gabrielle Perret Gentil, 1211, Geneva 14, Switzerland
    Int Orthop 35:957-63. 2011
    ..There were no revisions for aseptic loosening of the cup, and no osteolytic defects were found around the cup. Patient satisfaction was high and the clinical results were very good...
  92. doi Outcome and predictors of treatment failure in early post-surgical prosthetic joint infections due to Staphylococcus aureus treated with debridement
    F Vilchez
    Department of Orthopedics of Hospital Clínic of Barcelona, Spain
    Clin Microbiol Infect 17:439-44. 2011
    ..8 years were reviewed. Thirty-five infections were on knee prosthesis and 18 were on hip prosthesis. The mean ± SD duration of intravenous and oral antibiotics was 10.6 ± 6.7 and 88 ± 45.9 days, respectively...
  93. pmc Association of osteonecrosis and failure of hip resurfacing arthroplasty
    Jozef Zustin
    Institute of Pathology, University Medical Center Hamburg Eppendorf, Martinistr 52, 20246 Hamburg, Germany
    Clin Orthop Relat Res 468:756-61. 2010
    ..We observed smaller regions of superficial ON in the majority of the remaining femoral remnants with periprosthetic fractures and in hips that failed for reasons other than fracture...
  94. pmc Infectiological, functional, and radiographic outcome after revision for prosthetic hip infection according to a strict algorithm
    F Harald R De Man
    Department of Orthopaedics, Sint Maartenskliniek, Nijmegen, The Netherlands
    Acta Orthop 82:27-34. 2011
    ..Successful treatment of prosthetic hip joint infection (PI) means elimination of infection and restored hip function. However, functional outcome is rarely studied. We analyzed the outcome of the strict use of a treatment algorithm for PI...
  95. ncbi [The infected hip prosthesis]
    S Ruchholtz
    Klinik für Unfallchirurgie, Universitatsklinikum Essen
    Unfallchirurg 107:307-17; quiz 318-9. 2004
    Therapy of infected hip prosthesis should always be based on a structured treatment concept...
  96. doi Randomized comparison between 3 surface treatments of a single anteverted stem design: 84 hips followed for 5 years
    Truike M Thien
    Department of Orthopaedics, Sahlgrenska University Hospital, Molndal, Sweden
    J Arthroplasty 25:437-444.e1. 2010
    ..Our observations suggest that alternative shapes could be possible on future polished femoral stem designs...
  97. pmc Results of 3,668 primary total hip replacements for primary osteoarthritis in patients under the age of 55 years
    Keijo T Mäkelä
    Department of Orthopaedics and Traumatology, Turku University Central Hospital, Tampere, Finland
    Acta Orthop 82:521-9. 2011
    ..In the present study, we analyzed population-based survival rates of the cemented and cementless total hip replacements in patients under the age of 55 years with primary osteoarthritis in Finland...
  98. doi The long-term results of the original Exeter polished cemented femoral component: a follow-up report
    Robin S M Ling
    Princess Elizabeth Orthopaedic Centre Exeter, United Kingdom
    J Arthroplasty 24:511-7. 2009
    ..With the end point reoperation for aseptic stem loosening, the survivorship is 93.5% (95% confidence interval, 90.0%-97.0%). The reoperation rate for aseptic femoral component loosening is 3.23% into the 33rd year of follow-up...
  99. doi Lower rates of dislocation with increased femoral head size after primary total hip replacement: a five-year analysis of NHS patients in England
    S S Jameson
    Northumbria NHS Foundation Trust, Woodhorn Lane, Ashington NE63 9JJ, UK
    J Bone Joint Surg Br 93:876-80. 2011
    ..These data have revealed a significant reduction in dislocations associated with the use of large femoral head sizes, with no change in the 18-month revision rate...
  100. pmc THA using metal-on-metal articulation in active patients younger than 50 years
    Christian P Delaunay
    Department of Orthopaedic Surgery, clinique de l Yvette, 67 71 route de Corbeil, 91160 Longjumeau, France
    Clin Orthop Relat Res 466:340-6. 2008
    ..However, additional followup strategies are recommended to determine any possible long-term deleterious effects associated with the dissemination of metallic ions...
  101. doi Intraosseous lymphocytic infiltrates after hip resurfacing arthroplasty : a histopathological study on 181 retrieved femoral remnants
    Jozef Zustin
    Institute of Pathology, University Medical Center of Hamburg Eppendorf, Martinistr 52, 20246, Hamburg, Germany
    Virchows Arch 454:581-8. 2009
    ..Proliferative desquamative synovitis might constitute another morphologic feature associated with the delayed type hypersensitivity reaction...

Research Grants92

  1. FDG-PET Imaging in painful Hip Prosthesis
    Abass Alavi; Fiscal Year: 2005
    ..of a single test that is highly accurate, and cost effective in the management of patients with painful total hip prosthesis. Current diagnostic tests including routine radiography, laboratory studies, and nuclear medicine procedures, ..
  2. Smart Hip Implants with Modified Biological Surface
    Javad Parvizi; Fiscal Year: 2007
    ..As a result, patient pain, suffering and morbidity will be minimized. ..
  3. Effect of Femoral Stem Design om Cement Mantle Failure
    Amos Race; Fiscal Year: 2006
    ..Should these aims be met, the proposed model will be of great use in pre-clinical testing of novel cemented stem designs. ..
  4. Fatigue Crack Morphology in Cemented Hips
    Amos Race; Fiscal Year: 2002
    ....
  5. Mechanics and Performance of Traceable UHMWPE Implants
    Steven Kurtz; Fiscal Year: 2007
    ....
  6. Wear, Inflammation and Clinical Performance of Total Disc Replacement
    STEVEN MICHAEL KURTZ; Fiscal Year: 2010
    ..Thus, successful achievement of the proposed research will provide essential information on TDR implant performance and on clinical outcomes, which are needed for informed health care decisions. ..
  7. Mechanics and Performance of Traceable UHMWPE Implants
    Steven Kurtz; Fiscal Year: 2009
    ....
  8. MECHANISMS & PERFORMANCE OF TRACEABLE UHMWPE IMPLANTS
    Steven Kurtz; Fiscal Year: 2003
    ..The purpose of this proposed research is to examine the influence of mechanical degradation after implantation on the clinical performance of metal-backed acetabular components for total hip arthroplasty. ..
  9. Local Biomechanics of Median Nerve Insult in Carpal Tunnel Syndrome
    THOMAS DUDLEY BROWN; Fiscal Year: 2010
    ....
  10. Wear Analysis of Intervertebral Total Disc Replacements
    Thomas Brown; Fiscal Year: 2007
    ..abstract_text> ..
  11. Mechanisms of Third Body Acceleration of THA Wear
    Thomas Brown; Fiscal Year: 2005
    ..abstract_text> ..
  12. Daily Activity of TKR Patients as Input for Wear Testing
    Markus Wimmer; Fiscal Year: 2007
    ..Based on the kinematic and kinetic in vivo data derived in the motion laboratory, we will calculate contact forces using a mathematical model of the artificial knee. ..
  13. Wear Analysis of Intervertebral Total Disc Replacements
    Thomas Brown; Fiscal Year: 2009
    ..abstract_text> ..
  14. Implant/Construct Interactions in the Biomechanics of Total Hip Dislocation
    Thomas Brown; Fiscal Year: 2009
    ..Realistic finite element analysis is an ideal vehicle for systematically assessing the complex interactions of the many factors influencing dislocation propensity, toward the goal of reducing this troublesome complication. ..
  15. Implant/Construct Interactions in the Biomechanics of Total Hip Dislocation
    Thomas Brown; Fiscal Year: 2007
    ..Realistic finite element analysis is an ideal vehicle for systematically assessing the complex interactions of the many factors influencing dislocation propensity, toward the goal of reducing this troublesome complication. ..
  16. SYSTEMIC IMPLICATIONS OF TOTAL JOINT REPLACEMENT
    Joshua Jacobs; Fiscal Year: 2007
    ..abstract_text> ..
  17. Bioreactivity Markers in Total Hip Replacments
    Nadim Hallab; Fiscal Year: 2004
    ..Additionally, variable immunologic responses induced by implant degradation products (i.e. lymphocyte response to metal ions and monocyte/macrophage response to particulate debris) will be correlated with the development of osteolysis ..
  18. Wear Analysis of Intervertebral Total Disc Replacements
    Thomas Brown; Fiscal Year: 2009
    ....
  19. Quantifying 3rd Body Challenge in Total Hip Arthroplasty
    THOMAS DUDLEY BROWN; Fiscal Year: 2010
    ..It is important to find ways to minimize these 3rd body particles, and to develop implants that are more resistant to 3rd body damage. ..
  20. 3D real time studying fatigue microcrack formation in cemented femur construct
    Gang Qi; Fiscal Year: 2007
    ..Type I microcracks directly contribute to the loosening of a femur stem constructs. Type II microcracks function as energy absorbers and thereby retard the loosening process. ..
  21. Local Biomechanics of Median Nerve Insult in Carpal Tunnel Syndrome
    Thomas Brown; Fiscal Year: 2007
    ....
  22. The Emu as a Model for Necrotic Femoral Head Collapse
    Thomas Brown; Fiscal Year: 2006
    ..At the project's conclusion, we expect to have filled a longstanding need in the field of osteonecrosis research: an animal model suitable for systematic study of human-implementable interventions to forestall femoral head collapse. ..
  23. NONLINEAR COMPUTATIONAL BIOMECHANICS OF THE HIP
    Thomas Brown; Fiscal Year: 2004
    ..This partnership proposes to bring together a critical mass of engineers and surgeons, to achieve clinically grounded advances in nonlinear numerical simulations of surgery of the hip. ..
  24. Aging and Fatigue Crack Growth in Dentin
    Dwayne Arola; Fiscal Year: 2007
    ..These achievements should reduce the incidence of restorative failures associated with tooth fracture, resulting in billions of dollars in savings of health care costs, as well as a reduction in human suffering. ..
  25. Aging and Fatigue Crack Growth in Dentin
    DWAYNE DALE AROLA; Fiscal Year: 2010
    ..These achievements should reduce the incidence of restorative failures associated with tooth fracture, resulting in billions of dollars in savings of health care costs, as well as a reduction in human suffering. ..
  26. Fatigue Damage Evolution in Total Joint Replacements
    Kenneth A Mann; Fiscal Year: 2010
    ....
  27. ANALYSIS OF MULTIPLE INFORMANT DATA IN PSYCHIATRY
    SHARON LISE TERESA NORMAND; Fiscal Year: 2010
    ..These novel and innovative methods will improve the assessment of treatment effects and will contribute to improving the health of the population. ..
  28. MODELING TREATMENT USE & EFFECTIVENESS IN MENTAL ILLNESS
    Sharon Lise Normand; Fiscal Year: 2007
    ..The methodological advances from this research will enable researchers, policy makers, and methodologists to better characterize factors impacting technology innovation/exnovation and to expand the inferences for usual care. ..
  29. Fatigue Damage Evolution in Total Joint Replacements
    Kenneth Mann; Fiscal Year: 2007
    ....
  30. INTERFACE FAILURE IN TOTAL JOINT REPLACEMENTS
    Kenneth Mann; Fiscal Year: 2004
    ..When combined, the experimental and computational approaches will provide design guidelines that could significantly reduce revision rates of cemented hip replacements due to implant loosening. ..
  31. MODELING TREATMENT USE & EFFECTIVENESS IN MENTAL ILLNESS
    Sharon Lise Normand; Fiscal Year: 2003
    ..The methodological advances from this research will enable mental health researchers and policy makers to better characterize usual care and to expand the inferences drawn from clinical trials. ..