Gerard A Engh

Summary

Affiliation: Anderson Orthopaedic Research Institute
Country: USA

Publications

  1. doi request reprint Metal Ion Levels After Metal-on-Metal Total Hip Arthroplasty: A Five-Year, Prospective Randomized Trial
    C A Engh
    Anderson Orthopaedic Research Institute, P O Box 7088, Alexandria, VA 22306 E mail address for C A Engh
    J Bone Joint Surg Am 96:448-55. 2014
  2. doi request reprint Radiographic assessment of the thickness lost from polyethylene tibial inserts that had been sterilized differently
    Matthew B Collier
    Anderson Orthopaedic Research Institute, P O Box 7088, Alexandria, VA 22307, USA
    J Bone Joint Surg Am 90:1543-52. 2008
  3. ncbi request reprint Effect of terminal sterilization with gas plasma or gamma radiation on wear of polyethylene liners
    Robert H Hopper
    Anderson Orthopaedic Research Institute, Alexandria, Virginia 22307, USA
    J Bone Joint Surg Am 85:464-8. 2003
  4. ncbi request reprint Synovial entrapment: a complication of posterior stabilized total knee arthroplasty
    David C Pollock
    Anderson Orthopaedic Research Institute, Alexandria, Virginia 22307, USA
    J Bone Joint Surg Am 84:2174-8. 2002
  5. ncbi request reprint Orthopaedic crossfire--can we justify unicondylar arthroplasty as a temporizing procedure? in the affirmative
    Gerard A Engh
    Anderson Orthopaedic Research Institute, Alexandria, Virginia 22306, USA
    J Arthroplasty 17:54-5. 2002
  6. ncbi request reprint Factors associated with the loss of thickness of polyethylene tibial bearings after knee arthroplasty
    Matthew B Collier
    Anderson Orthopaedic Research Institute, P O Box 7088, Alexandria, VA 22307, USA
    J Bone Joint Surg Am 89:1306-14. 2007
  7. pmc Polyethylene quality affects revision knee liner exchange survivorship
    C Anderson Engh
    Anderson Orthopaedic Clinic, Anderson Orthopaedic Research Institute, PO Box 7088, Alexandria, VA 22307, USA
    Clin Orthop Relat Res 470:193-8. 2012
  8. ncbi request reprint Osteolysis after total knee arthroplasty: influence of tibial baseplate surface finish and sterilization of polyethylene insert. Findings at five to ten years postoperatively
    Matthew B Collier
    Anderson Orthopaedic Research Institute, P O Box 7088, Alexandria, VA 22307, USA
    J Bone Joint Surg Am 87:2702-8. 2005
  9. ncbi request reprint Patient, implant, and alignment factors associated with revision of medial compartment unicondylar arthroplasty
    Matthew B Collier
    Anderson Orthopaedic Research Institute, Alexandria, VA, USA
    J Arthroplasty 21:108-15. 2006
  10. doi request reprint Mechanical stability of well-functioning tibial baseplates from postmortem-retrieved total knee arthroplasties
    Anand S Rao
    Anderson Orthopaedic Research Institute, Alexandria, Virginia 22306, USA
    J Arthroplasty 25:481-5. 2010

Collaborators

Detail Information

Publications40

  1. doi request reprint Metal Ion Levels After Metal-on-Metal Total Hip Arthroplasty: A Five-Year, Prospective Randomized Trial
    C A Engh
    Anderson Orthopaedic Research Institute, P O Box 7088, Alexandria, VA 22306 E mail address for C A Engh
    J Bone Joint Surg Am 96:448-55. 2014
    ..We performed a prospective, randomized study of metal ion levels in erythrocytes, serum, and whole blood at five years after 28 and 36-mm metal-on-metal and 28-mm metal-on-polyethylene total hip arthroplasty...
  2. doi request reprint Radiographic assessment of the thickness lost from polyethylene tibial inserts that had been sterilized differently
    Matthew B Collier
    Anderson Orthopaedic Research Institute, P O Box 7088, Alexandria, VA 22307, USA
    J Bone Joint Surg Am 90:1543-52. 2008
    ..Our purpose was to determine the loss of thickness in polyethylene tibial inserts that were of the same design but had been sterilized differently...
  3. ncbi request reprint Effect of terminal sterilization with gas plasma or gamma radiation on wear of polyethylene liners
    Robert H Hopper
    Anderson Orthopaedic Research Institute, Alexandria, Virginia 22307, USA
    J Bone Joint Surg Am 85:464-8. 2003
    ..In this study, we tested the hypothesis that conventional polyethylene liners cross-linked by sterilization with gamma radiation in air had better in vivo wear performance than non-cross-linked liners sterilized with gas plasma...
  4. ncbi request reprint Synovial entrapment: a complication of posterior stabilized total knee arthroplasty
    David C Pollock
    Anderson Orthopaedic Research Institute, Alexandria, Virginia 22307, USA
    J Bone Joint Surg Am 84:2174-8. 2002
    ..The purpose of this paper was to describe synovial entrapment and to determine if design features of the prosthesis predispose patients to the complication...
  5. ncbi request reprint Orthopaedic crossfire--can we justify unicondylar arthroplasty as a temporizing procedure? in the affirmative
    Gerard A Engh
    Anderson Orthopaedic Research Institute, Alexandria, Virginia 22306, USA
    J Arthroplasty 17:54-5. 2002
    ..As documented in the literature, UKA achieves these goals. Therefore, we cannot only justify UKA as a temporizing procedure, but also as a definitive procedure with long-term results that are comparable to TKA for gonarthrosis...
  6. ncbi request reprint Factors associated with the loss of thickness of polyethylene tibial bearings after knee arthroplasty
    Matthew B Collier
    Anderson Orthopaedic Research Institute, P O Box 7088, Alexandria, VA 22307, USA
    J Bone Joint Surg Am 89:1306-14. 2007
    ....
  7. pmc Polyethylene quality affects revision knee liner exchange survivorship
    C Anderson Engh
    Anderson Orthopaedic Clinic, Anderson Orthopaedic Research Institute, PO Box 7088, Alexandria, VA 22307, USA
    Clin Orthop Relat Res 470:193-8. 2012
    ..It is unclear whether one choice is superior to the other. Polyethylene quality reportedly influences the survivorship of primary TKA, but similar reports are not described for revision TKA...
  8. ncbi request reprint Osteolysis after total knee arthroplasty: influence of tibial baseplate surface finish and sterilization of polyethylene insert. Findings at five to ten years postoperatively
    Matthew B Collier
    Anderson Orthopaedic Research Institute, P O Box 7088, Alexandria, VA 22307, USA
    J Bone Joint Surg Am 87:2702-8. 2005
    ..We hypothesized that polishing the baseplate surface and sterilizing the insert with means other than gamma radiation in air had reduced the prevalence of osteolysis...
  9. ncbi request reprint Patient, implant, and alignment factors associated with revision of medial compartment unicondylar arthroplasty
    Matthew B Collier
    Anderson Orthopaedic Research Institute, Alexandria, VA, USA
    J Arthroplasty 21:108-15. 2006
    ..Besides illustrating deleterious consequences of using gamma-irradiated-in-air polyethylene in medial unicompartmental arthroplasty, our results support reducing varus angulation of the medial tibial plateau and knee at surgery...
  10. doi request reprint Mechanical stability of well-functioning tibial baseplates from postmortem-retrieved total knee arthroplasties
    Anand S Rao
    Anderson Orthopaedic Research Institute, Alexandria, Virginia 22306, USA
    J Arthroplasty 25:481-5. 2010
    ..Tray depression under load application and the liftoff on the contralateral side indicated that the tibial stems limited implant rotation and that implant fixation did not deteriorate with time in situ...
  11. doi request reprint Learning curve with minimally invasive unicompartmental knee arthroplasty
    William G Hamilton
    Anderson Orthopedic Research Institute, Alexandria, Virginia 22307, USA
    J Arthroplasty 25:735-40. 2010
    ..0% to 2.5%, and reoperation rates fell from 8.1% to 5.4%. These data demonstrate that despite modifications made to improve surgical technique across time, a substantial complication rate with this procedure persists...
  12. ncbi request reprint Tibial interface wear in retrieved total knee components and correlations with modular insert motion
    Anand R Rao
    Anderson Orthopaedic Research Institute, Alexandria, Virginia 22307, USA
    J Bone Joint Surg Am 84:1849-55. 2002
    ....
  13. pmc Can microcomputed tomography measure retrieved polyethylene wear? Comparing fixed-bearing and rotating-platform knees
    Charles A Engh
    Anderson Orthopaedic Research Institute, PO Box 7088, Alexandria, VA 22307, USA
    Clin Orthop Relat Res 471:86-93. 2013
    ..Wear of total knee polyethylene has been quantified gravimetrically with thickness measurements and evaluation of surface wear modes. However, these techniques do not localize volumetric wear...
  14. doi request reprint Analysis of wear in retrieved mobile and fixed bearing knee inserts
    Gerard A Engh
    Anderson Orthopaedic Research Institute, Alexandria, Virginia 22306, USA
    J Arthroplasty 24:28-32. 2009
    ..000) and the burnishing score was 3 times greater for MB inserts (P = .000). At more than 5 years in situ, the linear wear measurements were similar for the 2 groups (mean penetration was 0.329 mm for MB and 0.320 mm for fixed bearing)...
  15. ncbi request reprint Incidence and reasons for reoperation after minimally invasive unicompartmental knee arthroplasty
    William G Hamilton
    Anderson Orthopaedic Research Institute, Alexandria, Virginia, USA
    J Arthroplasty 21:98-107. 2006
    ..7% vs 1.0%) and the overall reoperation rate (11.3% vs 8.6%) compare unfavorably with those performed with an open technique...
  16. ncbi request reprint Isolated liner exchange: not always a useful option in revision TKA. Counterpoint
    Gerard A Engh
    Anderson Orthopaedic Research Institute, Alexandria, VA 22206, USA
    Orthopedics 28:993-4. 2005
  17. ncbi request reprint Relationship between product demand, tibial polyethylene insert shelf age, and total knee arthroplasty survival: retrospective review of total knees of one design
    Joshua A Urban
    Anderson Orthopaedic Research Institute, Alexandria, Virginia 22307, USA
    J Arthroplasty 21:330-7. 2006
    ..Recognition is expedited by understanding how shelf life is related to product demand and can be of aid when diagnosing the painful knee...
  18. pmc Unicondylar arthroplasty in knees with deficient anterior cruciate ligaments
    Gerard A Engh
    Anderson Orthopaedic Research Institute, 2501 Parker s Lane, Suite 200, Alexandria, VA, 22306, USA
    Clin Orthop Relat Res 472:73-7. 2014
    ..Historically, a functional ACL has been a prerequisite for patients undergoing unicondylar knee arthroplasty (UKA). However, this premise has not been rigorously tested...
  19. ncbi request reprint Rapid polyethylene failure of unicondylar tibial components sterilized with gamma irradiation in air and implanted after a long shelf life
    Thomas F McGovern
    Anderson Orthopaedic Research Institute, Alexandria, Virginia 22306, USA
    J Bone Joint Surg Am 84:901-6. 2002
    ..4 years...
  20. ncbi request reprint Isolated revision of failed metal-backed patellar components: outcome with minimum 4-year follow-up
    W Vincent Burke
    Anderson Clinic Post Graduate Medical Education Foundation, Alexandria, VA 22306, USA
    J Arthroplasty 20:998-1001. 2005
    ..We conclude that revision of a failed metal-backed patellar component to a cemented, all-polyethylene patella is a durable, successful procedure...
  21. ncbi request reprint Shelf age of the polyethylene tibial component and outcome of unicondylar knee arthroplasty
    Matthew B Collier
    Anderson Orthopaedic Research Institute, P O Box 7088, Alexandria, VA 22307, USA
    J Bone Joint Surg Am 86:763-9. 2004
    ..We retrospectively reviewed our experiences with another unicondylar knee system to investigate the relationship between the shelf age of the polyethylene components and clinical outcome...
  22. ncbi request reprint Lateral tibiofemoral compartment narrowing after medial unicondylar arthroplasty
    Matthew B Collier
    Anderson Orthopaedic Research Institute, Alexandria, VA 22307, USA
    Clin Orthop Relat Res 464:43-52. 2007
    ..LEVEL OF EVIDENCE: Level IV, prognostic study. See the Guidelines for Authors for a complete description of levels of evidence...
  23. ncbi request reprint Epidemiology of osteolysis: backside implant wear
    Gerard A Engh
    Anderson Orthopaedic Research Institute, Alexandria, Virginia, USA
    Instr Course Lect 53:243-9. 2004
    ..Therefore, modular components were examined to determine whether this innovation in TKA was actually contributing to the manifestation of osteolysis...
  24. ncbi request reprint Advances in knee arthroplasty for younger patients: traditional knee arthroplasty is prologue, the future for knee arthroplasty is prescient
    Gerard A Engh
    Anderson Orthopedic Institute, Alexandria, VA, USA
    Orthopedics 30:55-7. 2007
    ..This led to complacency toward TKA, thus inhibiting technological advances in the procedure to develop implants for younger and more active patients...
  25. doi request reprint Radiographically measured total knee wear is constant and predicts failure
    Charles A Engh
    Anderson Orthopaedic Research Institute, Alexandria, Virginia 22306, USA
    J Arthroplasty 28:1338-44. 2013
    ..Knees with accelerated wear and those with a wear rate of 0.15 mm/yr or greater had lower survivorship rates. We conclude that wear is linear with rare exceptions and that higher wear is correlated with failure...
  26. ncbi request reprint Constraint in total knee arthroplasty: when and what?
    James P McAuley
    Anderson Orthopaedic Research Institute, PO Box 7088, Alexandria, VA 22307, USA
    J Arthroplasty 18:51-4. 2003
    ..Varus-valgus constrained designs cannot provide long-term stability in cases of varus-valgus instability or severe flexion laxity. Such cases are most reliably treated with a linked implant...
  27. ncbi request reprint Treatment of the unstable total knee arthroplasty
    James P McAuley
    Anderson Orthopaedic Research Institute, Anderson Orthopaedic Clinic, Alexandria, Virginia, USA
    Instr Course Lect 53:237-41. 2004
    ..The results achieved with these surgical options vary for each type of instability. In general, the use of more constrained components to manage unstable knees is favored...
  28. ncbi request reprint Use of structural allograft in revision total knee arthroplasty in knees with severe tibial bone loss
    Gerard A Engh
    Anderson Orthopaedic Research Institute, 2501 Parker s Lane, Suite 200, Alexandria, VA 22306, USA
    J Bone Joint Surg Am 89:2640-7. 2007
    ..We examined the clinical and radiographic outcomes of a series of revision total knee arthroplasties in which a structural allograft had been used to reconstruct a tibial bone defect encountered at the time of the revision procedure...
  29. ncbi request reprint A bi-compartmental solution: what the Deuce?
    Gerard A Engh
    Anderson Orthopaedic Institute, 2501 Parkers Ln, Ste 200, Alexandria, VA 22206, USA
    Orthopedics 30:770-1. 2007
  30. ncbi request reprint Augments and allografts in revision total knee arthroplasty: usage and outcome using one modular revision prosthesis
    David E Hockman
    Anderson Orthopaedic Research Institute, Alexandria, Virginia 22306, USA
    J Arthroplasty 20:35-41. 2005
    ..Modular augments did not effectively address the bone loss and instability encountered in many instances at revision surgery. Survivorship of this implant was 79.4% +/- 13.7% at 8 years...
  31. ncbi request reprint Survival of medial unicondylar arthroplasties placed by one surgeon 1984-1998
    Thomas H Eickmann
    Anderson Orthopaedic Research Institute, Alexandria, VA 22307, USA
    Clin Orthop Relat Res 452:143-9. 2006
    ..Unicondylar patients of that era who were fortunate enough to avoid a thin or aged oxidation-prone polyethylene bearing probably have enjoyed superior outcomes...
  32. ncbi request reprint Retained cement after unicondylar knee arthroplasty. A report of four cases
    David J Howe
    Anderson Orthopaedic Research Institute, P O Box 7088, 2501 Parker s Lane, Suite 200, Alexandria, VA 22306, USA
    J Bone Joint Surg Am 86:2283-6. 2004
  33. ncbi request reprint Structural femoral head allografting with revision TKA
    Gerard A Engh
    Anderson Orthopaedic Research Institute, Alexandria, VA 22310, USA
    Orthopedics 27:999-1000. 2004
  34. ncbi request reprint The midvastus approach to the knee
    Gerard A Engh
    Anderson Orthopaedic Research Institute, Alexandria, VA 22310, USA
    J Knee Surg 16:48-51. 2003
  35. ncbi request reprint Standardized analysis of UHMWPE wear particles from failed total joint arthroplasties
    Jay D Mabrey
    Department of Orthopedics, UTHSCSA Mail Code 7774, 7703 Floyd Curl Drive, San Antonio, Texas 78229, USA
    J Biomed Mater Res 63:475-83. 2002
    ..This study demonstrates the utility of ASTM F1877-98 in differentiating wear debris particles from different sources...
  36. ncbi request reprint Wear and osteolysis around total knee arthroplasty
    Douglas D R Naudie
    Division of Orthopaedic Surgery, University of Western Ontario, London Health Sciences Centre, London, ON, Canada
    J Am Acad Orthop Surg 15:53-64. 2007
    ....
  37. ncbi request reprint Case challenges in knee surgery: what would you do?
    Aaron G Rosenberg
    Department of Surgery, Rush Medical College, 1725 West Harrison Avenue, Chicago, IL 60612, USA
    J Arthroplasty 18:55-67. 2003
  38. ncbi request reprint Radiographic prediction of intraoperative bone loss in knee arthroplasty revision
    Kevin J Mulhall
    Department of Orthopaedic Surgery, Mater Misericordiae University Hospital, Dublin, Ireland
    Clin Orthop Relat Res 446:51-8. 2006
    ..See Author Guidelines for a complete description of levels of evidence...
  39. ncbi request reprint What would you do? Challenges in knee surgery
    Daniel J Berry
    Department of Orthopedic Surgery, Mayo Clinic, Rochester, Minnesota 55905, USA
    J Arthroplasty 22:61-7. 2007
    ..Case-based discussion included total knee arthroplasty in the presence of femoral deformity, deficient patellar bone, and patella baja, and treatment of infected total knee arthroplasty...
  40. ncbi request reprint What would you do? Case challenges in knee surgery
    Robert E Booth
    Department of Orthopaedic Surgery, Pennsylvania Hospital, Philadelphia, PA 19107, USA
    J Arthroplasty 21:61-7. 2006
    ....