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Our Physicians Anthony S. Unger, MD
Our Physicians
Anthony S. Unger, MD

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Dr. Anthony S. Unger, MD, is the nationally recognized expert in Total Joint Replacement and Minimally Invasive Surgery. He is a regular lecturer, teacher and researcher for these techniques and educates physicians around the world in this discipline. His expertise in Anterior Hip Replacement Surgery draws patients from around the world.

Dr. Unger also has developed several new implants and technologies and has been awarded multiple U.S. patents in the area of Hip and Knee Replacement Surgery.

Dr. Unger is board-certified by the American Board of Orthopaedic Surgery.

Practice and Privileges

  • Medical director, Sibley Total Joint Replacement Center, Sibley Memorial Hospital, Washington, D.C., 2010—present
  • Director, Minimally Invasive Surgery (MIS) Hip/Knee Surgery Center, The George Washington University Medical Center, Washington, D.C., 2006—present
  • Co-director, Orthopaedic Section, The Georgetown University Hemophiliac Center, Washington, D.C., 1986—present  
  • Director, Washington Center for Hip and Knee Surgery, Washington, D.C. 
  • Clinical professor, Orthopaedic Surgery, Department of Orthopaedics, The George Washington University Medical Center, 1986—present 
  • Associate clinical professor, Department of Orthopaedics, Georgetown University Medical Center, Washington, D.C., 1986—present

Education/Training

  • Fellowship, Comprehensive Arthritis, Hospital for Special Surgery, New York, N.Y., 1985—1986
  • Residency, University of Pennsylvania, Philadelphia, Pa., 1981—1985
  • Orthopaedic Research, University of Pennsylvania, Philadelphia, Pa., 1981—1982
  • Internship, Hospital of the University of Pennsylvania, Philadelphia, Pa., 1980—1981
  • MD, State University of New York at Buffalo, Buffalo, N.Y., 1980
  • BS, State University of New York at Stony Brook, Stony Brook, N.Y., 1976

Certifications

  • American Board of Orthopaedic Surgery
  • Diplomate, National Board of Examiners

Professional Honors

  • Baldridge Award for Physician Leadership, The George Washington University Hospital, 2008
  • Teaching Award, The George Washington University Medical Center, 2001
  • James A. Gibson Anatomical Society, 1980
  • Alpha Omega Alpha Medical Honor Society, 1980

Memberships

  • American Medical Association
  • American Academy of Orthopaedic Surgery
  • Charter member, Association for Arthritic Hip & Knee Surgery
  • D.C. Medical Society
  • Washington Orthopaedic Society
  • D.C. Rheumatism Society
  • Jacobi Society
  • Eastern Orthopaedic Association
  • William Osler Medical Society

Publications

  1. Unger, A.S., Stambough, J.L., & Brighton, C.T.;  Electrical Stimulation of Bovine Chondrocyte Pellets Using a  Capacitively Couples Signal.  Transactions of the 29th Annual  Orthopaedic Research Society, Volume 8, page 199, 1983.
  2. Bora, F.W., Unger, A.S. and Osterman, A.L.; The Local Inhibition of Nerve Scar by the Biodegradable Vehicle Chronomer Carrying CisHydroxyproline.  Transactions of the 29th Annual Orthopaedic Research  Society, Volume 8, page 278, 1983.
  3. Unger, A.S., Steinberg, M.E., Jimenez, S.A., Bashey, R.I. and Pollack, S.;  Effects of Collagen Crosslinking on Stress-Generated  Potentials (SGPS) in Tendon.
    Surgical Forum, Volume XXXIV, page 563, 1983.
  4. Unger, A.S. and Booth, R.E.; Disseminated  Intravascular Coagulopathy in a Patient Undergoing Total Hip Replacement for Carcinoma; A Case Report, CORR, 183:76, 1984.
  5. Brighton, C.T., Unger, A.S., Stambough, J.L.:  In Vitro Growth of Bovine Articular
    Cartilage Chondrocytes in Various Capacitively Coupled Electrical Fields. J. Ortho. Res., 2 (1) :15-24, 1984.
  6. Kurz, L.T., Garfin, S.R., Unger, A.S., Thorne, R.O., and Rothman, R.H.; Lumbar Intraspinal Extradural Ganglion Cyst as a Cause of Sciatica. JBJS, 67A, 865, 1985.
  7. Kaplan, F.S.,  Goll, S.R., Unger, A.S. and Schumacher, H.R.; Heterotopic of the Elbows and Spine in a Young Man with Paraplegia. Orthopaedic Review, XIV:  485, 1985.
  8. Unger, A.S. and Steinberg, M.E.; Femoral Endoprosthetic Replacement in Younger Adults, The University of Pennsylvania Orthopaedic Journal, 2:79, 1986.
  9. Gecha, S.R., Unger, A.S., Nichols, C., III, Balduni, F.C., Gregg, J.R. and Torg, J.S.; Lateral Retinacular Release for Treatment of Patellofemoral Pain, The University of Pennsylvania Orthopaedic Journal, 2:67, 1986.
  10. Unger, A.S. and Shuster, H.D.; Predicting the Healing of the Displaced Subcapital Hip Fracture Via Postoperative Roentgenographic Factors.  Orthopaedic Review
    Vol. XV, page 33, 1986.
  11. Unger, A.S., Inglis, A.E., Ranawat, C.S. and Johansson, N.A.; Total Hip Arthroplasty in Rheumatoid Arthritis:  A Long Term Follow Up Study.  J of Arthroplasty 2:191, 1987.
  12. Unger, A.S., Inglis, A.E., Mow, C.S. and Figgie, III, H.E.; Total Ankle Arthroplasty in Rheumatoid Arthritis:  A Long Term Follow Up Study.
    Foot and Ankle 8:173, 1988.
  13. Spaulding, J.M., Meyes, R.G., Figgie, H.E., III, Unger, A.S. and Inglis, A.E.; Total Ankle Arthroplasty:  A Procedural Review, AORN Journal 48:201, 1988.
  14. Unger, A.S.; Total Elbow Arthroplasty, Int. Medicine 9:73, 1988.
  15. Bohn, W.W., Johanson, N.A., Schneider, R. and Unger, A.S.:  Symptomatic Corticosteroid-Induced Osteonecrosis of the Knee, American Journal of Knee Surgery, 1:105, 1989.
  16. Unger, A.S., Lewis, R.J. and Kessler, C.M.; Total Knee Arthroplasty in Human Immunodeficiency Virus-infected Hemophiliacs; J. Arthroplasty, Vol. 10 No. 4, 448-452, 1995.
  17. Unger, A.S. and Lewis, R.J.: Evaluation of a Porous Tantalum Uncemented Acetabular Cup in Revision Total Hip Arthroplasty: Clinical and Radiologic Results of 60 Hips, J. of Arthroplasty, Vol 20, No. 8, 1002-1009, 2005

Presentations

  1. Brighton, C.T., Unger, A.S., and Stambough, J.L.; In Vitro Capacitively  Coupled Electrical Stimulation of Bovine Articular Chondocyte Pellets in Varying Serum Concentrations, 2nd Annual BRAGS 1982, Oxford, U.K.
  2. Steinberg, M.D., Unger, A.S., Jimenez, S.A., Bashey, R.I., and Pollack, S.R.; The Effect of Crosslinking on Stress Generated Potentials (SGPS) in Tendon, 2nd Annual BRAG S  1982, Oxford U.K.
  3. Bora, F.W., Unger, A.S. and Osterman, A.S.; The Local Inhibition of Nerve Scan by the Biodegradable Vehicle Chronomer Carrying Cis-Hydroxyproline, 29th Annual ORS  1983, Anaheim, CA.
  4. Unger, A.S., Stambough, J.L. and Brighton, C.T.; Electrical Stimulation of Bovine Articular Chondrocyte Pellets Using a Capacitively Coupled Signal, 29th Annual ORS  1983, Anaheim, CA.
  5. Steinberg, M.E. and Unger, A.S.; Femoral Endoprosthetic Replacement in Younger Patients, 52nd AAOS  1985,  New York, NY.
  6. Inglis, A.E. and Unger, A.S.; Total Shoulder and Elbow Arthroplasty, Summer Institute  AAOS  1985,  New York, NY.
  7. Unger, A.S. and Shuster, H.F.;  Post-operative Roentgenographic Factors in the Prediction of Healing Displaced Subcapital Hip Fractures, Pennsylvania Orthopaedic Society,  1985, Philadelphia, PA.
  8. Unger, A.S., Inglis, A.E., Ranawat, C.S., Johanson, N.; Long Term Follow Up of Total Hip Arthroplasty in Rheumatoid Arthritis,  AAOS , 1987, San Francisco, CA.
  9. Unger, A.S., Inglis, A.E., Mow, C. and Figgie, H.; Long Term Follow Up of Total Ankle Arthroplasty in Rheumatoid Arthritis.  Foot and Ankle Society, 1987,  San Francisco, CA.
  10. DePasquale, D., Lewis, R.J. and Unger, A.S.;  Bilateral Total Knee Arthroplasty In Hemophiliacs, AAOS, 1988, Las Vegas, NV.
  11. Unger, A.S., Kessler, C. and Lewis, R.J.; Total Knee Replacement in HIV Infected Hemophiliacs, AAOS, 1992, Washington, DC.
  12. Unger, A.S.; Cementless Acetabular Revision  Using Trabecular Metal, Current Concepts In Reconstructive Surgery, Whistler, BC, 2001.
  13. Unger, A.S.; Acetabular Revision with a Tantalum Monobloc Cup, AAOS, 2001
  14. Unger, A.S.; THA with the Proxilock Stem. 2-5 yr results, AAOS, 2002
  15. Unger, A.S.; Performance of the Trabecular Metal Monobloc Cup: 2- 5 yr results, AAOS, 2002
  16. Bobyn, JS, Tanzer, M, Krygier,J. ,Lewallen, DG, Hanssen, AD, Lewis, RG, Unger, AS, O’keefe, TJ, Christie, M, Nasser, S., Wood, JE, Stulberg, D, Poggie, RA; Clinical Validation of a Structural Porous Tantalum Biomaterial for Adult Reconstruction: AAOS 2004
  17. Unger, A.S.; Minimal Invasive Joint Replacement Surgery; 2005 Cherry Blossom Seminar; Washington, DC 2005
  18. Unger, A.S.; Minimal Invasive Joint Replacement; 2005 Brazil Hip Society, Goianna, Brazil, 2005
  19. Unger, A.S. :  MIS TKA with a TM Cementless Knee, MIS/CAOS Meeting, Scottsdale, Arizona,
    2006
  20. Unger, A.S.; Surface Replacement Arthroplasty 2008 Update; Cherry Blossom Seminar 2008
  21. Unger, A.S., Duggan, J.: Evaluation of a Porous Tantalum Cruciate-Retaining Hi-Flex Uncemented Monoblock Tibia Component in MIS Primary Total Knee Arthroplasty, 2008 ISTA, Seoul, Korea
  22. Unger, A.S.; Total Knee Replacement, Pearls and Pitfalls, Cherry Blossom Seminar; Washington, DC
    2009
  23. Unger, A. S. and Lewis, R.: Ten year Followup of the Trabecular Metal Monoblock Acetabular Component: 2009 ISTA, Kona, Big Island, Hawaii
  24. Bergin, P, Dopplet, J, Kephart, C, Benke, M, Graeter, J, Holmes, A, Smith, H, Toan , R,  and Unger, A: Propspective Comparison on Inflammatory and Muscle Damage Markers in  MIS Direct Anterior Versus Posterior Hip Arthroplasty,  2010 AAOS Meeting, New Orleans, LA

Chapters

  1. Bora, F.W. and Unger, A.S.; The Inhibition of Scar After Tendon and Nerve Injury in Soft and Hard Tissue Repair, Biological and Clinical Aspects,  Edited by Thomas K. Hunt, R. Bruce Heppenstall, Eli Pines ad David Rovec, Prager Special Studies,  1984,  New York.
  2. Unger, A.S., Inglis, A.E. and Figgie,  III, H.E.; Total Ankle Arthroplasty in Operative Orthopaedics, Edited by Michael W. Chapman, J.B. Lippincott, 1988, Philadelphia, PA.
  3. Unger, A.S., Ranawat, C.S. and Lewis, R.J.; The Rheumatoid Hip in The Hip, Edited by Richard A. Balderston, Richard H. Rothman, Robert E. Booth and William J. Hozack, Lea & Febiger,  1992,  Philadelphia, PA.
  4. Figgie, III, H.E., Unger, A.S., Inglis, A.E., Kraay, M.J., Figgie, M.P.; Total Ankle Arthroplasty in Operative Orthopaedics, Second Edition, Edited by Michael W. Chapman, J.B. Lippincott,  1993,  Philadelphia, PA.
  5. Unger, A.S., Kessler, C. and Lewis, R.J.; Hemophilia and Pigmented Villonodular Synovitis in Surgery of the Knee, Edited by W. Norman Scott, MD, Churcill Livingstone, 2005, Philiadelphia, PA.

Active Research

  1. CORMET HIP RESURFACING STUDY, FDA POST MARKETING ANALYSIS
  2. DIRECT ANTERIOR HIP REPLACMENT SURGERY, ANALYSIS OF MUSCLE DAMAGE
  3. UNCEMENTED TOTAL KNEE REPLACEMENT SURGERY, STRYKER CORPORATION, PANEL MEMBER FOR IMPLANT DEVELOPMENT
  4. LONG TERM RESULTS OF UNICOMPARTMENT REPLACEMENT IN HIGH BMI PATIENTS, GW UNIVERSITY MEDICAL CENTER

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Dr. Unger's Updates

Anthony S Unger, MD quoted in Washington Post article on hip replacement
Dr. Unger's Updates
 
Anthony S. Unger, MD has been named to the editorial board of the Journal of Arthroplasty
Dr. Unger's Updates
 
Anthony S Unger, MD will serve as the Moderator of the AAOS Instructional Course "Direct Anterior Hip Replacement Surgery" at the AAOS meeting in Chicago, 2013
Dr. Unger's Updates

 

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