Charles R Bragdon

Summary

Affiliation: Massachusetts General Hospital
Country: USA

Publications

  1. ncbi request reprint A new approach for the Martell 3-D method of measuring polyethylene wear without requiring the cross-table lateral films
    Charles R Bragdon
    Orthopaedic Biomechanics and Biomaterials Laboratory and the Adult Reconstructive Unit of the Department of Orthopaedic Surgery of Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114, USA
    J Orthop Res 23:720-5. 2005
  2. ncbi request reprint Minimum 6-year followup of highly cross-linked polyethylene in THA
    Charles R Bragdon
    The Harris Orthopaedic Biomechanics and Biomaterials Laboratory, Massachusetts General Hospital, Boston, MA 02114, USA
    Clin Orthop Relat Res 465:122-7. 2007
  3. pmc The 2012 John Charnley Award: Clinical multicenter studies of the wear performance of highly crosslinked remelted polyethylene in THA
    Charles R Bragdon
    The Harris Orthopaedic Laboratory, Massachusetts General Hospital, 55 Fruit Street, GRJ 1126, Boston, MA 02114, USA
    Clin Orthop Relat Res 471:393-402. 2013
  4. ncbi request reprint Comparison of femoral head penetration using RSA and the Martell method
    Charles R Bragdon
    Orthopaedic Biomechanics and Biomaterials Laboratory and the Adult Reconstructive Unit of the Department of Orthopaedic Surgery of Massachusetts General Hospital and Harvard Medical School, Boston, 02114, USA
    Clin Orthop Relat Res 448:52-7. 2006
  5. ncbi request reprint Standing versus supine radiographs in RSA evaluation of femoral head penetration
    Charles R Bragdon
    Orthopaedic Biomechanics and Biomaterials Laboratory and the Adult Reconstructive Unit of the Department of Orthopaedic Surgery of Massachusetts General Hospital and Harvard Medical School, Boston, 02114, USA
    Clin Orthop Relat Res 448:46-51. 2006
  6. ncbi request reprint Biologic fixation of total hip implants. Insights gained from a series of canine studies
    Charles R Bragdon
    Orthopaedic Biomechanics and Biomaterials Laboratory, Massachusetts General Hospital, Boston 02114, USA
    J Bone Joint Surg Am 86:105-17. 2004
  7. ncbi request reprint Comparison of two digital radiostereometric analysis methods in the determination of femoral head penetration in a total hip replacement phantom
    Charles R Bragdon
    Orthopaedic Biomechanics and Biomaterials Laboratory, Adult Reconstructive Unit, Department of Orthopaedic Surgery, Massachusetts General Hospital, Harvard Medical School, 1126 Fruit Street, Jackson Building, Boston, MA 02114, USA
    J Orthop Res 22:659-64. 2004
  8. ncbi request reprint Third-body wear testing of a highly cross-linked acetabular liner: the effect of large femoral head size in the presence of particulate poly(methyl-methacrylate) debris
    Charles R Bragdon
    Orthopaedic Biomechanics and Biomaterials Laboratory, Massachusetts General Hospital, Harvard Medical School, Boston, MA 02114, USA
    J Arthroplasty 20:379-85. 2005
  9. ncbi request reprint Simulated normal gait wear testing of a highly cross-linked polyethylene tibial insert
    Orhun K Muratoglu
    Orthopaedic Biomechanics and Biomaterials Laboratory, Massachusetts General Hospital, Boston, Massachussetts
    J Arthroplasty 22:435-44. 2007
  10. ncbi request reprint In vitro comparison of frictional torque and torsional resistance of aged conventional gamma-in-nitrogen sterilized polyethylene versus aged highly crosslinked polyethylene articulating against head sizes larger than 32 mm
    Brian R Burroughs
    Harris Orthopaedic Biomechanics and Biomaterials Laboratory, Department of Orthopaedic Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA 02114, USA
    Acta Orthop 77:710-8. 2006

Collaborators

Detail Information

Publications28

  1. ncbi request reprint A new approach for the Martell 3-D method of measuring polyethylene wear without requiring the cross-table lateral films
    Charles R Bragdon
    Orthopaedic Biomechanics and Biomaterials Laboratory and the Adult Reconstructive Unit of the Department of Orthopaedic Surgery of Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114, USA
    J Orthop Res 23:720-5. 2005
    ..Perhaps, therefore, the utility and availability of three-dimensional data in comparable clinical studies may be improved...
  2. ncbi request reprint Minimum 6-year followup of highly cross-linked polyethylene in THA
    Charles R Bragdon
    The Harris Orthopaedic Biomechanics and Biomaterials Laboratory, Massachusetts General Hospital, Boston, MA 02114, USA
    Clin Orthop Relat Res 465:122-7. 2007
    ..Highly cross-linked polyethylene liners are associated with excellent midterm clinical, radiographic, and wear results in this group of patients...
  3. pmc The 2012 John Charnley Award: Clinical multicenter studies of the wear performance of highly crosslinked remelted polyethylene in THA
    Charles R Bragdon
    The Harris Orthopaedic Laboratory, Massachusetts General Hospital, 55 Fruit Street, GRJ 1126, Boston, MA 02114, USA
    Clin Orthop Relat Res 471:393-402. 2013
    ..A series of clinical studies were initiated to determine the clinical efficacy as judged by patient-reported scores, radiographic osteolysis, and wear analysis of one form of HXLPE...
  4. ncbi request reprint Comparison of femoral head penetration using RSA and the Martell method
    Charles R Bragdon
    Orthopaedic Biomechanics and Biomaterials Laboratory and the Adult Reconstructive Unit of the Department of Orthopaedic Surgery of Massachusetts General Hospital and Harvard Medical School, Boston, 02114, USA
    Clin Orthop Relat Res 448:52-7. 2006
    ..LEVEL OF EVIDENCE: Case series Level IV. See Guidelines for Authors for a complete description of levels of evidence...
  5. ncbi request reprint Standing versus supine radiographs in RSA evaluation of femoral head penetration
    Charles R Bragdon
    Orthopaedic Biomechanics and Biomaterials Laboratory and the Adult Reconstructive Unit of the Department of Orthopaedic Surgery of Massachusetts General Hospital and Harvard Medical School, Boston, 02114, USA
    Clin Orthop Relat Res 448:46-51. 2006
    ..We found no difference between the average total femoral head penetration when using supine or standing radiographs...
  6. ncbi request reprint Biologic fixation of total hip implants. Insights gained from a series of canine studies
    Charles R Bragdon
    Orthopaedic Biomechanics and Biomaterials Laboratory, Massachusetts General Hospital, Boston 02114, USA
    J Bone Joint Surg Am 86:105-17. 2004
  7. ncbi request reprint Comparison of two digital radiostereometric analysis methods in the determination of femoral head penetration in a total hip replacement phantom
    Charles R Bragdon
    Orthopaedic Biomechanics and Biomaterials Laboratory, Adult Reconstructive Unit, Department of Orthopaedic Surgery, Massachusetts General Hospital, Harvard Medical School, 1126 Fruit Street, Jackson Building, Boston, MA 02114, USA
    J Orthop Res 22:659-64. 2004
    ..The results using the two marker configurations were similar...
  8. ncbi request reprint Third-body wear testing of a highly cross-linked acetabular liner: the effect of large femoral head size in the presence of particulate poly(methyl-methacrylate) debris
    Charles R Bragdon
    Orthopaedic Biomechanics and Biomaterials Laboratory, Massachusetts General Hospital, Harvard Medical School, Boston, MA 02114, USA
    J Arthroplasty 20:379-85. 2005
    ....
  9. ncbi request reprint Simulated normal gait wear testing of a highly cross-linked polyethylene tibial insert
    Orhun K Muratoglu
    Orthopaedic Biomechanics and Biomaterials Laboratory, Massachusetts General Hospital, Boston, Massachussetts
    J Arthroplasty 22:435-44. 2007
    ....
  10. ncbi request reprint In vitro comparison of frictional torque and torsional resistance of aged conventional gamma-in-nitrogen sterilized polyethylene versus aged highly crosslinked polyethylene articulating against head sizes larger than 32 mm
    Brian R Burroughs
    Harris Orthopaedic Biomechanics and Biomaterials Laboratory, Department of Orthopaedic Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA 02114, USA
    Acta Orthop 77:710-8. 2006
    ..However, the effect of larger heads on the frictional torque of highly crosslinked polyethylene is unknown...
  11. ncbi request reprint Knee-simulator testing of conventional and cross-linked polyethylene tibial inserts
    Orhun K Muratoglu
    Orthopaedic Biomechanics and Biomaterials Laboratory, Massachusetts General Hospital, Boston 02114, USA
    J Arthroplasty 19:887-97. 2004
    ..In the test model used, oxidation led to delamination, whereas increased cross-link density resulted in reduced adhesive/abrasive wear of tibial inserts...
  12. ncbi request reprint Experimental assessment of precision and accuracy of radiostereometric analysis for the determination of polyethylene wear in a total hip replacement model
    Charles R Bragdon
    Department of Orthopaedic Surgery of Massachusetts General Hospital and Harvard Medical School, Boston 02114, USA
    J Orthop Res 20:688-95. 2002
    ..5 microm for the resultant 3-D vector length. This in vitro model is proposed as a useful tool for developing a standard for the evaluation of radiostereometric and other radiographic methods used to measure in vivo wear...
  13. doi request reprint Incidence of osteolysis in total knee arthroplasty: comparison between radiographic and retrieval analysis
    Dov Goldvasser
    Massachusetts General Hospital, Boston, Massachusetts, USA
    J Arthroplasty 28:201-6. 2013
    ..047 and P = .014, respectively). Delamination is a good indicator for polyethylene wear and osteolysis. There is a need to develop in vivo methods to identify polyethylene changes and thereby prevent severe clinical outcomes...
  14. doi request reprint A new technique for measuring wear in total hip arthroplasty using computed tomography
    Dov Goldvasser
    Massachusetts General Hospital, Boston, Massachusetts, USA
    J Arthroplasty 27:1636-1640.e1. 2012
    ..213; SE, 0.058); y-axis, 0.039 mm (SD, 0.035; SE, 0.026); and z-axis, 0.039 mm (SD, 0.051; SE, 0.020)...
  15. ncbi request reprint Radiostereometric analysis comparison of wear of highly cross-linked polyethylene against 36- vs 28-mm femoral heads
    Charles R Bragdon
    Orthopaedic Biomechanics and Biomaterials Laboratory, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts 02114, USA
    J Arthroplasty 22:125-9. 2007
    ..There were no radiographic signs of lysis or radiolucencies at a minimum 3-year follow-up...
  16. ncbi request reprint Third-body wear of highly cross-linked polyethylene in a hip simulator
    Charles R Bragdon
    Department of Orthopaedic Surgery of Massachusetts General Hospital, Boston, MA 02114, USA
    J Arthroplasty 18:553-61. 2003
    ..01. With bone cement particles, the conventional UHMWPE components had an average incremental wear rate of 19 +/- 5mg/million cycles, and the wear rate of the highly cross-linked UHMWPE components was 0.5 +/- 0.7 mg/million cycles...
  17. 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...
  18. ncbi request reprint The measurement of creep in ultrahigh molecular weight polyethylene: a comparison of conventional versus highly cross-linked polyethylene
    Daniel M Estok
    Orthopaedic Biomechanics and Biomaterials Laboratory, Massachusetts General Hospital, Boston, Massachusetts 02114, USA
    J Arthroplasty 20:239-43. 2005
    ..Penetration into 28-mm conventional liners was 132 microm versus 155 microm for highly cross-linked material (P = .017). Ninety percent of the creep had occurred by 2.5 million cycles...
  19. ncbi request reprint Surface analysis of early retrieved acetabular polyethylene liners: a comparison of conventional and highly crosslinked polyethylenes
    Orhun K Muratoglu
    Harvard Medical School, Department of Orthopaedic Surgery, Boston, Massachusetts, USA
    J Arthroplasty 19:68-77. 2004
    ..These observations support the hypothesis that the early in vivo scratching of highly cross-linked polyethylene acetabular liners is primarily caused by plastic deformation...
  20. ncbi request reprint Steady-state penetration rates of electron beam-irradiated, highly cross-linked polyethylene at an average 45-month follow-up
    Charles R Bragdon
    Orthopaedic Biomechanics and Biomaterials Laboratory and the Adult Reconstructive Unit of the Department of Orthopaedic Surgery of Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
    J Arthroplasty 21:935-43. 2006
    ..Also, no significant difference existed between the steady-state wear rates of the highly cross-linked groups with two head sizes (28 vs 32 mm, P = .39)...
  21. ncbi request reprint Effect of oral alendronate on net bone ingrowth into canine cementless total hips
    Charles R Bragdon
    Orthopaedic Biomechanics and Biomaterials Laboratory, Massachusetts General Hospital, Boston, Massachusetts 02114, USA
    J Arthroplasty 20:258-63. 2005
    ..5 +/- 1.4, P < 0.6). These results did not support the hypothesis that oral alendronate would increase net new bone formation into the porous surface of THA components. Key words: alendronate, bone ingrowth, total hip arthroplasty...
  22. ncbi request reprint Gradient crosslinking of UHMWPE using irradiation in molten state for total joint arthroplasty
    Orhun K Muratoglu
    Orthopaedic Biomechanics and Biomaterials Laboratory, Massachusetts General Hospital, Boston 02114, USA
    Biomaterials 23:717-24. 2002
    ..The gravimetric wear rate was 27 +/- 5 mg million cycles with the conventional liners, while the melt-irradiated acetabular liners did not show any weight loss...
  23. doi request reprint The stepwise introduction of innovation into orthopedic surgery: the next level of dilemmas
    Henrik Malchau
    Harris Orthopaedic Biomechanics and Biomaterials Laboratory, Massachusetts General Hospital, Fruit St, Jackson building Room 1126, Boston, MA 02114, USA
    J Arthroplasty 26:825-31. 2011
    ..Drawing on the data generated and the actual decision tree used in the introduction of a new highly cross-linked polyethylene as a case study, this article illustrates these "subsequent dilemmas."..
  24. pmc What factors influence long-term survivorship after hip arthroscopy?
    Joseph C McCarthy
    Harris Orthopaedic Laboratory, Massachusetts General Hospital, 55 Fruit Street, Yawkey 3B, Boston, MA 02115, USA
    Clin Orthop Relat Res 469:362-71. 2011
    ..Hip arthroscopy is an evolving procedure. One small study suggested that a low modified Harris hip score and arthritis at the time of surgery were predictors of poor prognosis...
  25. doi request reprint Validation of a hospital-based joint registry: quantification of errors and maximizing utility
    Christopher J Barr
    Harris Orthopaedic Laboratory, Massachusetts General Hospital, Boston, MA, USA
    J Arthroplasty 27:1766-71. 2012
    ..Our results confirm the validity of data in the HJR and suggest that using automated data capture systems and establishing a clear consensus on procedural terminology can improve the quality of data registries...
  26. doi request reprint Comparison of paper and computer-based questionnaire modes for measuring health outcomes in patients undergoing total hip arthroplasty
    Nina Shervin
    Massachusetts General Hospital, Jackson Building 1126, Boston, MA 02114, USA
    J Bone Joint Surg Am 93:285-93. 2011
    ..We hypothesized that total hip arthroplasty outcome data derived with computer-based questionnaires do not differ significantly from those derived with established paper-based formats...
  27. ncbi request reprint Effect of consolidation on adhesive and abrasive wear of ultra high molecular weight polyethylene
    Rizwan M Gul
    Faculty of Metallurgy and Materials Engineering, GIK Institute of Engineering Sciences and Technology, Topi 23460, District Swabi, Pakistan
    Biomaterials 24:3193-9. 2003
    ..However, the bi-directional pin-on-disc wear rate did not change with the processing temperature, indicating that adhesive and abrasive wear is independent of the extent of consolidation in the range of parameters studied here...
  28. ncbi request reprint RSA wear measurements with or without markers in total hip arthroplasty
    Niclas Börlin
    Department of Computing Science, Umea University, SE 901 87 Umea, Sweden
    J Biomech 39:1641-50. 2006
    ..Other potential uses include migration measurements of re-surfacing heads and measuring spherical sections as implant landmarks instead of markers...