Kevin L Ong

Summary

Affiliation: Exponent Inc
Country: USA

Publications

  1. doi request reprint Two-year cost comparison of vertebroplasty and kyphoplasty for the treatment of vertebral compression fractures: are initial surgical costs misleading?
    K L Ong
    Exponent, Inc, 3401 Market St, Suite 300, Philadelphia, PA 19104, USA
    Osteoporos Int 24:1437-45. 2013
  2. ncbi request reprint Acetabular cup geometry and bone-implant interference have more influence on initial periprosthetic joint space than joint loading and surgical cup insertion
    Kevin L Ong
    Exponent, 3401 Market St, Suite 300, Philadelphia, PA 19104, USA
    J Biomech Eng 128:169-75. 2006
  3. doi request reprint Off-label use of bone morphogenetic proteins in the United States using administrative data
    Kevin L Ong
    Exponent Inc, Philadelphia, PA 19104, USA
    Spine (Phila Pa 1976) 35:1794-800. 2010
  4. pmc Risk of subsequent revision after primary and revision total joint arthroplasty
    Kevin L Ong
    Exponent, Inc, 3401 Market Street, Suite 300, Philadelphia, PA 19104, USA
    Clin Orthop Relat Res 468:3070-6. 2010
  5. doi request reprint Accidental falls involving medical implant re-operation
    Kevin L Ong
    Exponent, Inc, Philadelphia, PA 19104, United States
    Injury 40:1088-92. 2009
  6. doi request reprint Biomechanical modeling of acetabular component polyethylene stresses, fracture risk, and wear rate following press-fit implantation
    Kevin L Ong
    Exponent Inc, 3401 Market St, Suite 300, Philadelphia, Pennsylvania 19104, USA
    J Orthop Res 27:1467-72. 2009
  7. ncbi request reprint The use of modelling to predict implant behaviour
    Kevin Ong
    Exponent Inc, Philadelphia, Pennsylvania 19104, USA
    Med Device Technol 19:64-6. 2008
  8. doi request reprint Have contemporary hip resurfacing designs reached maturity? A review
    Kevin L Ong
    Exponent Incorporated, 3401 Market Street, Suite 300, Philadelphia, PA 19104, USA
    J Bone Joint Surg Am 90:81-8. 2008
  9. ncbi request reprint Biomechanics of the Birmingham hip resurfacing arthroplasty
    K L Ong
    Exponent Incorporated, Philadelphia, Pennsylvania 19104, USA
    J Bone Joint Surg Br 88:1110-5. 2006
  10. doi request reprint Robust design for acetabular cup stability accounting for patient and surgical variability
    Kevin L Ong
    Exponent Inc, Philadelphia, PA 19104, USA
    J Biomech Eng 130:031001. 2008

Detail Information

Publications28

  1. doi request reprint Two-year cost comparison of vertebroplasty and kyphoplasty for the treatment of vertebral compression fractures: are initial surgical costs misleading?
    K L Ong
    Exponent, Inc, 3401 Market St, Suite 300, Philadelphia, PA 19104, USA
    Osteoporos Int 24:1437-45. 2013
    ..8-7.9% in the remaining periods through 2 years postsurgery...
  2. ncbi request reprint Acetabular cup geometry and bone-implant interference have more influence on initial periprosthetic joint space than joint loading and surgical cup insertion
    Kevin L Ong
    Exponent, 3401 Market St, Suite 300, Philadelphia, PA 19104, USA
    J Biomech Eng 128:169-75. 2006
    ..The equatorial diameter and eccentricity, not the patient-dependent and surgical factors, explained most of the variations in the performance measures. Perfect surface apposition was not attained with any of the cup designs...
  3. doi request reprint Off-label use of bone morphogenetic proteins in the United States using administrative data
    Kevin L Ong
    Exponent Inc, Philadelphia, PA 19104, USA
    Spine (Phila Pa 1976) 35:1794-800. 2010
    ..Epidemiological study using national administrative data...
  4. pmc Risk of subsequent revision after primary and revision total joint arthroplasty
    Kevin L Ong
    Exponent, Inc, 3401 Market Street, Suite 300, Philadelphia, PA 19104, USA
    Clin Orthop Relat Res 468:3070-6. 2010
    ..Understanding the relative risk of rerevision and risk factors can help identify patients at high risk who may require closer postsurgical care...
  5. doi request reprint Accidental falls involving medical implant re-operation
    Kevin L Ong
    Exponent, Inc, Philadelphia, PA 19104, United States
    Injury 40:1088-92. 2009
    ..0 days (median) longer and cost 108% (median) more. The greater hospital costs and hospital stay for patients needing re-operations indicate that additional medical treatment was required...
  6. doi request reprint Biomechanical modeling of acetabular component polyethylene stresses, fracture risk, and wear rate following press-fit implantation
    Kevin L Ong
    Exponent Inc, 3401 Market St, Suite 300, Philadelphia, Pennsylvania 19104, USA
    J Orthop Res 27:1467-72. 2009
    ..9 and 3.8 mm-thick liners, respectively. Although pinching increases liner stresses, polyethylene fracture is highly unlikely, and the volumetric wear rates are likely to be low compared to conventional polyethylene...
  7. ncbi request reprint The use of modelling to predict implant behaviour
    Kevin Ong
    Exponent Inc, Philadelphia, Pennsylvania 19104, USA
    Med Device Technol 19:64-6. 2008
    ..The benefits and limitations of using this technique for orthopaedic products are examined here...
  8. doi request reprint Have contemporary hip resurfacing designs reached maturity? A review
    Kevin L Ong
    Exponent Incorporated, 3401 Market Street, Suite 300, Philadelphia, PA 19104, USA
    J Bone Joint Surg Am 90:81-8. 2008
    ..In addition, this review is based on an understanding of the causes of failure of revision hip resurfacing arthroplasty, which is essential to help guide research, implant design, and clinical decision-making...
  9. ncbi request reprint Biomechanics of the Birmingham hip resurfacing arthroplasty
    K L Ong
    Exponent Incorporated, Philadelphia, Pennsylvania 19104, USA
    J Bone Joint Surg Br 88:1110-5. 2006
    ..The remodelling of bone seen during revision of failed Birmingham hip resurfacing implants appears to be consistent with the predictions of our finite element analysis...
  10. doi request reprint Robust design for acetabular cup stability accounting for patient and surgical variability
    Kevin L Ong
    Exponent Inc, Philadelphia, PA 19104, USA
    J Biomech Eng 130:031001. 2008
    ..Cup eccentricity was found to have no effect on implant performance. Design variables did not contribute as much to the variation in performance measures compared to the environmental variables, except for potential ingrowth areas...
  11. ncbi request reprint Future clinical and economic impact of revision total hip and knee arthroplasty
    Steven M Kurtz
    Exponent Incorporated, Philadelphia, PA 19104, USA
    J Bone Joint Surg Am 89:144-51. 2007
  12. doi request reprint Role of surgical position on interface stress and initial bone remodeling stimulus around hip resurfacing arthroplasty
    Kevin L Ong
    Exponent, Inc, Philadelphia, Pennsylvania 19140, USA
    J Arthroplasty 24:1137-42. 2009
    ..These data show bone loading and interface fixation trends emanating from valgus and varus implant positions that will be of interest to practicing physicians...
  13. doi request reprint Infection burden for hip and knee arthroplasty in the United States
    Steven M Kurtz
    Exponent Inc, Philadelphia, Pennsylvania 19104, USA
    J Arthroplasty 23:984-91. 2008
    ..26% for knees compared to rural (0.61% for hips and 0.69% for knees) and urban-teaching hospitals (0.73% for hips and 0.77% for knees). We found an increasing number of joint arthroplasties being diagnosed with periprosthetic infection...
  14. doi request reprint Biomechanical comparison of 2 proximally coated femoral stems: effects of stem length and surface finish
    Kevin L Ong
    Biomechanics Practice, Exponent, Inc, Philadelphia, Pennsylvania 19104, USA
    J Arthroplasty 24:819-24. 2009
    ..Increased pain incidence for short-stem patients may be related to decreased implant instability and increased interface relative motion...
  15. doi request reprint Infection risk for primary and revision instrumented lumbar spine fusion in the Medicare population
    Steven M Kurtz
    Exponent, Inc, Philadelphia, Pennsylvania 19104, USA
    J Neurosurg Spine 17:342-7. 2012
    ..Although infection can be a devastating complication, due to its rarity it is difficult to characterize infection risk except in large patient populations...
  16. pmc International survey of primary and revision total knee replacement
    Steven M Kurtz
    Exponent, Inc, Philadelphia, PA 19104, USA
    Int Orthop 35:1783-9. 2011
    ..g., age, gender) vary internationally? (3) How have the rates of TKA utilization changed over time?..
  17. pmc Prosthetic joint infection risk after TKA in the Medicare population
    Steven M Kurtz
    Exponent, Inc, 3401 Market Street, Suite 300, Philadelphia, PA 19104, USA
    Clin Orthop Relat Res 468:52-6. 2010
    ..PJI occurs at a relatively high rate in Medicare patients with the greatest risk of PJI within the first 2 years after surgery; however, approximately one-fourth of all PJIs occur after 2 years...
  18. doi request reprint Effect of procedure duration on total hip arthroplasty and total knee arthroplasty survivorship in the United States Medicare population
    Kevin L Ong
    Exponent, Inc, Philadelphia, Pennsylvania 19104, USA
    J Arthroplasty 23:127-32. 2008
    ..Our findings support the general belief that longer procedures are associated with the greater probability of complications...
  19. doi request reprint Mortality, cost, and downstream disease of total hip arthroplasty patients in the medicare population
    Scott T Lovald
    Exponent, Inc, Menlo Park, California
    J Arthroplasty 29:242-6. 2014
    ..The potential for selection bias was investigated with two separate propensity score analyses. This study demonstrates the potential benefit of THA in reducing mortality and improving aspects of overall health in OA patients. ..
  20. ncbi request reprint Review: biomechanical issues in total hip replacement
    Kevin L Ong
    Exponent, Inc Philadelphia, PA, USA
    Surg Technol Int 22:222-8. 2012
    ..Thus, biomechanical decisions are becoming even more important for long-term survivorship of the reconstruction...
  21. doi request reprint Prosthetic joint infection risk after total hip arthroplasty in the Medicare population
    Kevin L Ong
    Exponent, Inc, Philadelphia, Pennsylvania 19104, USA
    J Arthroplasty 24:105-9. 2009
    ..This is the first study to establish the incidence and risk factors associated with early onset and delayed periprosthetic joint infection in the Medicare patient population...
  22. doi request reprint Primary and revision arthroplasty surgery caseloads in the United States from 1990 to 2004
    Steven M Kurtz
    Exponent Inc, Philadelphia, Pennsylvania 19104, USA
    J Arthroplasty 24:195-203. 2009
    ..The revision caseload of surgeons has increased over time, particularly for surgeons with the highest caseloads...
  23. doi request reprint Mortality risk for operated and nonoperated vertebral fracture patients in the medicare population
    Avram Allan Edidin
    Medtronic, Inc, 1221 Crossman Ave, Sunnyvale, CA 94089, USA
    J Bone Miner Res 26:1617-26. 2011
    ..09%. This study established the mortality risk associated with VCFs diagnosed between 2005 and 2008 with respect to different treatment modalities for elderly patients in the entire Medicare population...
  24. doi request reprint Impact of the economic downturn on total joint replacement demand in the United States: updated projections to 2021
    Steven M Kurtz
    Exponent, Inc, 3440 Market Street, Suite 600, Philadelphia, PA 19104 E mail address for S M Kurtz
    J Bone Joint Surg Am 96:624-30. 2014
    ..Previous projections of total joint replacement demand in the United States were based on data up to 2003 using a statistical methodology that neglected macroeconomic factors, such as the National Health Expenditure...
  25. doi request reprint Prevalence and projections of total shoulder and elbow arthroplasty in the United States to 2015
    Judd S Day
    Biomechanics Practice, Exponent Inc, Philadelphia, PA 19104, USA
    J Shoulder Elbow Surg 19:1115-20. 2010
    ....
  26. doi request reprint Mortality, cost, and health outcomes of total knee arthroplasty in Medicare patients
    Scott T Lovald
    Exponent, Inc, Menlo Park, CA 94025, USA
    J Arthroplasty 28:449-54. 2013
    ..9% at 7years (HR=0.93, P<0.001). The results demonstrate the patients in the TKA cohort as having a lower probability of heart failure and mortality, at a total incremental cost of $19,843...
  27. doi request reprint Temporal relationship between knee arthroscopy and arthroplasty: a quality measure for joint care?
    Norman A Johanson
    Hahnemann University Hospital, Philadelphia, Pennsylvania 19102, USA
    J Arthroplasty 26:187-91. 2011
    ..A 10.2% failure rate 1 year after knee arthroscopy may be a reasonable benchmark against which performance of knee arthroscopy in patients older than 65 years can be measured...
  28. ncbi request reprint The potential for bone loss in acetabular structures following THA
    Michael T Manley
    Stryker Orthopaedics, Mahwah, NJ, USA
    Clin Orthop Relat Res 453:246-53. 2006
    ..Radical changes in implant design may be necessary for long-term maintenance of supporting structures in the reconstructed acetabulum...