Edgar G. Dawson, MD's portrait
Edgar G. Dawson, MD

About Edgar G. Dawson, MD

Dr. Ed Dawson passed away. His contributions to the field of spine surgery were immense. He published extensively, oversaw the training of many younger spine surgeons, and most importantly provided expert care to numerous spine patients. He is sadly missed by all who knew him.

Dr. Dawson was Clinical Professor of Surgery, Orthopaedics and Attending Surgeon at the University of California. In addition, he was the Consultant in Orthopaedic Surgery for Wadsworth Veteran's Hospital and Saint John’s Health Center in Santa Monica. Dr. Dawson was certified by the American Board of Orthopaedic Surgery.

Evidenced by 62 peer-reviewed publications, 5contributed chapters to medical books, sole author of 2 books, over 50 published abstracts, and 6 videos and movies, Dr. Dawson's commitment to research and education on issues of the spine is apparent. He taught seminars, workshops, and institutes on the spine to both surgeons and nurses.

Before Dr. Dawson earned a medical degree from St. Louis University School of Medicine with Magna Cum Laude honors, he served three years of active duty as an OR Technician in the United States Army. Dr. Dawson was recognized as the Outstanding Intern of the Department of Surgery during his internship at the University of California. His residency in orthopaedic surgery was also at the University of California, Medical Center. At the University of Minnesota School of Medicine, Dr. Dawson was a fellow in spinal disease and received the first John H. Moe Fellow award. He continued medical education as a fellow with the American Academy of Orthopaedic Surgeons, American Orthopedic Association, the Scoliosis Research Society, and the North American Spine Society.

As an active member of many professional organizations, Dr. Dawson served in various committee positions of President, Chairman, and Board of Directors in associations such as the American Academy of Orthopaedic Surgeons, American Orthopaedic Association, and the Scoliosis Research Society. The American Medical Association awarded Dr. Dawson the Certificate of Merit for Outstanding Contribution in Continuing Medical Education. The Surgical Associates of Southeast Asia recognized Dr. Dawson as an Honorary Member. Dr. Dawson had three times been a visiting professor to Taiwan, and most recently, a visiting professor to Japan.

Dr. Dawson was the Associate Editor to Spine and Journal of Spinal Disorders.

Publications

1. Dawson, E: Fiberglass casts. West. J. Med. 122:153, February 1975 (Published Article).

2. Kirkpatrick, D., Dawson, E., Batzdorf, U: Metastasis carcinoid presenting as a spinal tumor. Surg. Neuro., 4:283-287, May, 1985 (Published Article)

3. Dawson, E., et al.: Evaluation of neck pain. Patient Care, pp. 122-127, November 1975 (Published Article).

4. Dawson, E., et al.: Diagnosing back pain. Patient Care, pp. 59-77, March 1976 (Published Article).

5. Dawson, E., et al.: Causes of back pain. Patient Care, pp. 126-133, May 1976 (Published Article).

6. Dawson, E., Hungerford, D.: Scoliosis shows itself. Patient Care, pp 98-111, July 1976 (Published Article).

7. Dawson, E., et al.: Solitary bone cyst of the cervical spine. Clin. Ortho. and Rel. Res., 119:141-143, September 1976 (Published Article).

8. Dawson, E., et al.: When neck pain/back pain hangs on. Patient Care, pp.58-87, February 1977 (Published Article).

9. McCreary, C., Turner, J., Dawson, E.: Differences between functional versus organic low back pain patients. Pain, 4:73-78, 1977 (Research Paper).

10. Dawson, E: Examination of the back. Patient Care, 7:22-29, August 1977, Dutch Edition (Published Article).

11. Herron, L., Dawson, E: Methylmethacrylate as an adjunct in spinal instrumentation. J. Bone and Joint Surg., 59A:866-869,October 1977 (Published Article).

12. Goldstein, G., Dawson, E., and Batzdorf, U.: Cervical osteoid osteoma: A cause of chronic upper back pain. Clin. Ortho. and Rel. Res. 129:177-180, November/December 1977 (Published Article).

13. Herron, L., Westin, G.W., and Dawson, E.: Scoliosis in arthrogryposis multiplex congenita. J. Bone and Joint Surg., 60A:293-299, April 1978 (Published Article).

14. Dawson, E.: Scoliosis - importance and ease of detection. Medical Student, 3:7-9, 1978 (Published Article).

15. McCreary, C., Turner, J., and Dawson, E.: The MMPI as a predictor of response to conservative treatment for low back pain. J. Clin. Psych., 35:278-284, 1979 (Research Paper).

16. Dawson, E., and Smith, L.: Atlanto-Axial sublaxation in children due to veterbral anomalies. J. bone and Joint Surg., 61A:582-587, June 1979 (Published Article).

17. Turner, J., McCreary C., and Dawson, E: Functional limitations scales as predictors of response to treatment for back pain. In J. Bonica (Ed.) Pain Abstract, Volume 1. Second World Congress on Pain. Seattle, Washington, 1978 Research Paper).

18. Dawson, E: You can help patients with low back pain, Consultant, pp. 25-29, November 1980 (Published Article).

19. Dawson, E., Lotysch, M., and Urist, M.R: Intertransverse process lumbar arthrodesis with autogenous bone graft. Clin. Ortho. and Rel. Res. 154:90-96, January 1981 (Published Article).

20. Urist, M.R., Dawson, E.: Intertransverse process fusion with the aid of chemosterilized autolyzed antigen-extracted allogenic bone. Clin. Ortho. and Rel. Res., 154:97-113, January 1981 (Published Article).

21. Mirra, J.N., Rand, F., Rand, R., Calcaterra, T., and Dawson, E.: Giant cell tumor of second cervical verterbra treated by cryosurgery and irradiation. Clin. Ortho. and Rel. Res., 154:228-233, January 1981 (Published Article).

22. Schwimer, S.T., Bassett, L.W., Mancuso, A.A., Mirra, J.M., and Dawson, E.: Giant cell tumor of the cervicothoracic spine. Amer. J. of Roentgen., 135:63-67, January 1981 (Published Article).

23. Purcell, G., Markolf, K., and Dawson, E.: Mechanical stability of T12-L1 fractures after harrington rod instrumentation. J. of Bone and Joint Surg. 63A/11:71-78, January 1981 (Published Article).

24. McCreary C., Dawson, E., and Turner, J: Principal dimensions of the pain experience and psychological disturbance in chronic low back pain patients. Pain, 11:85-92, 1981 (Published Article).

25. Dutton, R.O., Dawson, E: Elbow flexorplasty. J. Bone and Joint Surg., 63A:1064-1070, September 1981 (Published Article).

26. Nuwer, M., and Dawson, E.G.: Somatosensory cortical evoked potential monitoring. Ann. of Neuro., 12/1, July 1982 (Published Article).

27. Dawson, E., Long, D: Intradiscal therapy sylabus, American Academy of Orthopaedic Surgeons, January 1983 (Published Syllabus).

28. Ferkel, R., Westin G. W., and Dawson E.: Muscular torticollis, a modified surgical approach. J. Bone. and Joint Surg., 65:894-899, September 1983 (Published Article).

29. Nuwer, M.R., and Dawson, E: Intra-operative evoked potential monitoring of the spinal cord. Clin. Ortho. and Rel. Res. 183:42-51, March 1984 (Published Article).

30. Thomas, B., Dawson, E., and Oppenheim, W: Congenital paraxial hemicorpectomy. Clin. Ortho. and Rel. Res. 185:109-113, May 1984 (Published Article).

31. Nuwer, M.R. and Dawson, E.G.: Intra-operative evoked potential monitoring of the spinal cord: Enhanced stability of cervical recordings. Electroencephalog. and Clin. Neurophysiol., 59:318-327, 1984 (Published Article).

32. Urist, M., Lietze, A. and Dawson E.: Beta-Tricalcium phosphate delivery system for bone morphogenetic protein. Clin. Ortho. and Rel. Res., 187:277-280, July 1984 (Research Paper).

33. Huth, J.F., Dawson, E. and Eilber, F: Abdominosacral resection for malignant tumors of the sacrum. Amer. J. Surg., 148:157-161, July 1984 (Published Article).

34. Clader, T.J., Dawson, E., and Bassett, L: The role of tomography in the valuation of the postoperative spinal fusion. Spine, 9/7:686-689, September 1984 (Published Article).

35. Oppenheim W.L., Dawson, E.G., Quinlan C., and Graham S.A: The cephaloscapular projection: a special diagnostic aid. Clinical Orthopaedics 195:191-193 May 1985 (Published Article).

36. Eckardt, J. Kaplan, D., Batzdorf, U., and Dawson, E: Extraforaminal disc herniation simulating a retroperitoneal neoplasm. J. Bone and Joint Surg. 67A/8:1275-1277, October 1985 (Published Article).

37. Dawson, E., Clader, T.J., and Bassett, L.: A Comparison of different methods used to diagnose pseudarthrosis following posterior spinal fusion for scoliosis. J. Bone and Joint Surg. 67A/8:1153-1159, October 1985 (Published Article).

38. Urist, M.R., Lietze, A., Dawson, E., and Finerman, G.A.M: Bone morphogenetic protein (BMP) delivery systems. Trans. Soc. of Biomat., 17:24, 1985 (Research Paper).

39. Graham, S., Westin, G.W., Dawson, E., and Oppenheim, W.L.: The Chiari osteotomy. Clin. Ortho. and Rel. Res., 208:249-258, July 1986 (Published Article).

40. Nilsson, O.S., Urist, M.R., Dawson, E., Schmalzried, T.P., and Finerman, G.A.M: Bone repair induced by bone morphogenetic protein in ulnar defects in dogs. J. Bone and Joint Surg., 68B:635-642, August 1986 (Research Paper).

41. More R., Nuwer, M., and Dawson, E: Cortical evoked potential monitoring during spinal surgery: Sensitivity, specificity, reliability and criteria for alarm. J. Spinal Disorders, Vol 1., No. 1 pp 75-80. Jan 1988(Published Article).

42. Nuwer M.R., More R.C., Dawson, E.G: Cortical evoked potential monitoring: a reply. Journal of Spinal Disorders, 1:244-245, 1988(letter).

43. Crim, J.R., Bassett, L.W., Gold, R.H. Mirra, J.M., Mikulics, M., Dawson, E.G., Eckhardt, J.J.: Spinal neuroarthropathy after traumatic paraplegia. American Journal of Neuroradiology, 9(2):359-62, Mar-Apr 1988 (Published Article).

44. Goldstein T.B., Mink J.H., Dawson, E.G: Early experience with automated lumbar discectomy in the treatment of lumbar disc herniation. Clin. Ortho. and Rel. Res., 238:77-82, Jan 1989 (Published Article).

45. Lovell, T.P., Dawson, E.G., Nilsson O. S., and Urist M.R: Augmentation of spinal fusion with bone morphogenetic protein in dogs. Clin. Ortho. and Rel. Res., 243:266-74 June 1989 (Research Paper).

46. Hales D.D., Dawson, E.G. and Delamarter R: Late neurological complications of Harrington-rod instrumentation. J. Bone and Joint Surg. 71(7):1053-7, August 1989 (Published Article).

47. Kahanovitz N., Viola K, Goldstein, T., Dawson E.G: A multicenter analysis of percutaneous discectomy. Spine 15 (7):713-715, July 1990, (Published Article).

48. Hales D.D., Duffy, K., Dawson, E.G., and Delamarter R: Lumbarosteomyelitis and epidural and paraspinous abscess. Case report of an unusual source of contamination from a gunshot wound to the abdomen. Spine 16(3):380-3, March 1991 (Published Article).

49. Dawson E.G., Sherman J.E., Kanim L.E., Nuwer M.R.: Spinal cord monitoring: Results of the Scoliosis Research Society and the European Spinal Deformity Society survey. Spine 16(S Suppl):361s-4, August 1991 (Published Article).

50. Deutsch A.L., Howard M., Dawson E.G., Goldstein T.B., Mink J.H., Zeegen E.H., Delamarter R.B.: Lumbar Spine Following Successful Surgical Discectomy. Spine 18(8):1054-1060, July 1993 (Published Article)

51. Callewart C.C., Minchew J.T., Kanim L.E.A., Tsai Y.C., Salehmoghaddam S., Dawson E.G, Delamarter R.B.: Hyponatremia and syndrome of inappropriate antidiuretic hormone secretion in adult spinal surgery. Spine 19(15):1674-1679, August 1994 (Published Article).

52. Nuwer M. R., Dawson E.G., Carlson L.G., Kanim L.E.A., Sherman J.E.: Somatosensory evoked potential spinal cord monitoring reduces neurologic deficits after scoliosis surgery: results of a large multicenter survey. Electroencephalography and clinical Neurophysiology 96:6-11, 1995 (Published Article).

53. Delamarter R.B., Howard M.W., Goldstein T., Deutsch A.L., Mink J.H., Dawson E.G.: Percutaneous Lumbar Discectomy: preoperative and postoperative magnetic resonance imaging. Jounral of Bone and Joint Surgery 77-A(4):578-584, 1995 (Published Article).

54. Sandhu H.S., Kanim L.E.A., Kabo J.M., Toth J.M., Zeegen E.H., Liu D, Seeger L., Dawson E.G.: Evaluation of rhBMP-2 with an OPLA Carrier in a Canine posterolateral (Transverse Process) Spinal Fusion Model, Spine 20(24):2669-2682, 1995 (Published Article).

55. Sandhu H.S., Turner S., Kabo J.M., Kanim L.E.A., Liu D., Nourparvar A., Delamarter R.B., Dawson E.G.: Distractive Properties of a Threaded Interbody Fusion Device: An In Vivo Model. Spine 21(10):1201-1210, 1996 (Published Article).

56. Sandhu, H.S., Kanim, L.E.A., Kabo J.M., Toth, J.M., Zeegen E.N., Liu, D. Delamarter, R.B., Dawson, E.G., Effective Doses of Recombinant Human Bone Morphogenetic Protein-2 in Experimental Spinal Fusion,. Spine 21(18):2115-2122, 1996 (Published Article)

57. Long D.M.; BenDebba M; Torgerson W.S.; Boyd R.J.; Dawson E.G.; Hardy R.W.; Robertson J.T.; Sypert G.W.; Watts C. Persistent back pain and sciatica in the United States: patient characteristics. Journal of Spinal Disorders, 1996 Feb, 9(1):40-58.

58. Sandhu H.S., Kanim, L.E.A., Toth, J.M., Kabo J.M., Liu D., Delamarter R.B., Dawson E.G: Experimental Spinal Fusions with Recombinant Human Bone Morphogenetic Protein -2 Without Decortication of Osseous Elements. Spine 22(11):1171-1180, 1997.

59. Tsai R.Y.C., Yang R.S., Nuwer M.R., Kanim, L.E.A., Delamarter R.B., Dawson, E.G.: Intraoperative Dermatomal Evoked Potential Monitoring Fails to Predict Outcome from Lumbar Decompression Surgery. Spine 22(17):1970-1975, 1997 (Published Article).

60. Dawson E. G., Bernbeck J.: The Surgical Treatment of Low Back Pain: Physical Medicine and Rehabilitation Clinics of North America. Volume 9(2):489-495, 1998.

61. Callewart C.C., Kanim, L.E.A., Seeger L.L., Dawson, E.G.: Lumbar Spinal Fusion: Segmental and Temporal Variability in the Beagle. Spine (Submitted for publication)

62. Dawson E.G., Kanim L.E.A., Sra P., Delamarter, R.B., Sandhu, H.S: Low back pain recollection versus concurrent accounts: an outcomes analysis. (paper in preparation)II.

Chapters in Books:

1. Muschler, G., Lane, J.M., and Dawson, E: Biology of Spinal Fusion, In Spinal Fusion, Science and Techniques, ed., Cotler, Springer, Verlag 1989.

2. More, R.C., Nuwer, M.R., Dawson, E.G.: True and false positive amplitude attenuations during evoked potential spinal cord monitoring. In: Neurophysiology and Standards of Spinal Cord Monitoring. Thomas B. Ducker and Richard H. Brown (eds). Springer-Verlag, New York 222-225, 1988.

3. Nuwer M.R., Dawson, E.G.: Studies of sites, rates and filters that best eliminate background noise and variability during cortical evoked potential spinal cord monitoring. In: Neurophysiology and Standards of Spinal Cord Monitoring, Thomas B. Ducker and Richard H. Brown (eds.) Springer-Verlag, New York, 140-146, 1988.

4. Zeegen, E.N., and Dawson, E G.: Allografts in Spinal Surgery, In The Textbook of Spinal Surgery, Second Edition, Keith H. Bridwell and Ronald L. DeWald. ed., Lippincott-Raven Publishers, Philadelphia 1997.

5. Sandhu, H.S., Kanim, L.E.A., Girardi F., Cammisa F.P., Dawson, E.G.: Animal Models of Spinal Instability and Spinal Fusion. In. Animal Models in Orthopaedic Research. Yuehuei H. A and Friedman R.J. (eds) CRC Press LLC Boca Raton, Fl, 1998.

Books or other Monographs:

1. Dawson, E.: Backache. American Medical Association, Chicago, Illinois, 1977.

2. Dawson, E.G. Manual of Internal Fixation of the Spine, Lippincott-Ravenm 1996.

Abstracts:

1. Dawson E., Moe J.H: Surgical management of scoliosis in the adult. J. Bone and Joint Surg., 55A:1321, September 1973.

2. Dawson, E., and Moe J.H.: Spinal deformity in neurofibromatosis. J. Bone and Joint Surg. 55A:1321, September 1973.

3. Purcell, G.A., Markolf, K., and Dawson, E.: Mechanical stability of T12-L1 fractures after Harrington rod instrumentation. Ortho. Trans., 4/1:36-37, 1980.

4. Dawson, E., Watanabe, B: Scoliosis in congenital upper limb deficient children. Ortho. Trans., 4/1:28, 1980.

5. Dawson, E. Dutton, R.O., Ackerman, D., and Dickstein, H.L: Preliminary observations in segmental femoral substitution with porous hydroxyapatite implants in the dog. Ortho. Trans. 5/2:267, 1981.

6. Dawson, E. Dutton, R.O., and Dickstein, H.L.: The Fate of bone substitutions with porous hydroxyapatite implants in the dog spine. Ortho. Trans., 5/2:317, 1981.

7. Dawson, E. Berstein, M. and Yuhl, E.: Lumbar spinal osteotomy with Harrington compression fixation for ankylosing spondylitis. Ortho. Trans., 6/1:28, 1982.

8. Ferkel, R., Westin, G.W., Dawson, E., and Oppenheim, W: Muscular torticollis: A modified surgical approach and the Los Angeles Shriners experience. Ortho. Trans. 6/3:445, 1982.

9. Batzdorf, U., Dawson, E: Klippel-Fell Syndrome - Review of surgical implications. Abstr. 7th International Congress of Neurological Surgery, Summer 1981.

10. Nilsson, O.S., Urist, M.E., Dawson, E., Schmalzried, T., and Finerman, G.A.M: Healing of segmental defects in dogs under the influence of BMP. Trans. 31st. Meeting of the Orthopaedic Research Society, 10:107, Los Vegas, 1985.

11. Dawson, E.G., Kropf, M.A., Purcell, G, Kabo, M.J., Kanim, L.E.A., Burt C: Optoelectronic Evaluation of Trunk Deformity in Scoliosis. Scoliosis Research Society, September 1989, Amsterdam, Holland

12. Dawson, E.C., Nuwer M.R.: Somatosensory cortical evoked potential monitoring. Annals of Neurology. 12, 115, 1982.

13. Howard, M., Delamarter R.B., Deutsch A.L., Goldstein TB Dawson E.G., Mink J.H., Zeegen E.: Lumbar Spine Following Succcessful Surgical Diskectomy: MR Imaging Features and Implications. 1992 North American Spine Society, Boston, M.A.

14. Callewart, C.C., Minchew, J.T., Kanim, L.E.A., Salehmoghaddam, S., Dawson, E.G., Delamarter, R.B.: Hyponatremia / Syndrome of Inappropriate Antidiuretic Hormone Secretion in Adult Spinal Surgery. 1993 Scoliosis Research Society, Dublin, Ireland.

15. Callewart, C.C., Kanim, L.E.A., Seeger L.L., Dawson, E.G.: Evaluation of the Canine Spinal Fusion Model Siadh 1993 North American Spine Society, San Diego, CA.

16. Callewart, C.C., Minchew, J.T., Kanim, L.E.A., Salehmoghaddam, S., Dawson, E.G., Delamarter, R.B.: Hyponatremia / Syndrome of Inappropriate Antidiuretic Hormone Secretion in Adult Spinal Surgery. 1993 North American Spine Society, San Diego, CA.

17. Sandhu, H.S., Kanim, L.E.A., Kabo, J.M., Zeegen,E.N., Liu, L.L., Seeger L.L., Brekke J.H, Smith J.L., Dawson, E.G.: Evaluation of rhBMP-2 with an OPLA Carrier in a Canine Posterolateral (Transverse Process) Spinal Fusion Model. 1st International Conference on Bone Morphogenetic Proteins, 1994, Baltimore, MD.

18. Hartleben, P.D., Dawson, E.G.: Thoracoplasty: An Adjunctive Procedure for Surgical Treatment of Thoracic Scoliosis. 1994 Scoliosis Research Society. Portland, OR.

19. Callewart C.C., Kanim, L.E.A., Seeger L.L., Dawson, E.G.: Variable Fusion Rates in the Canine Model. 1994 Scoliosis Research Society. Portland, OR.

20. Sandhu, H.S., Kanim, L.E.A., Kabo, J.M., Zeegen,E.N., Liu, L.L., Seeger L.L., Brekke J.H, Smith J.L., Dawson, E.G.: Evaluation of rhBMP-2 with an OPLA Carrier in a Canine Posterolateral (Transverse Process) Spinal Fusion Model. 1994 Scoliosis Research Society. Portland, OR.

21. Sandhu, H.S., Kanim, L.E.A., Kabo, J.M., Zeegen,E.N., Liu, L.L., Seeger L.L., Brekke J.H, Smith J.L.,McKay, B.F., Dawson, E.G.: Evaluation of rhBMP-2 with an OPLA Carrier in a Canine Posterolateral (Transverse Process) Spinal Fusion Model. 1995 Orthopaedic Research Society, Orlando, Florida.

22. Callewart C.C., Kanim, L.E.A., Dawson, E.G.: Observed Level Effect in Canine Posterolateral (Facet-Laminar) Spinal Fusion Model. 1995 Orthopaedic Research Society, Orlando, Florida.
Callewart C.C., Kanim, L.E.A., Seeger, L.L., and Dawson E.G.: Variable fusion rates in the canine model. Orthop. Trans., 19, 601, 1995.

23. Sandhu, H.S., Kanim, L.E.A., Zeegen, E.N., Liu, D., Kabo, J.M., Seeger L.L., Brekke, J.H., Smith J.L., McKay B.F., Dawson, E.G: Evaluation of rhBMP-2 with an OPLA Carrier in a Canine Posterolaterial Spinal Fusion Model. 1995 American Academy of Orthopaedic Surgeons, Orlando, Florida.

24. Kanim, L.E.A., Freedman E.L., Becker H.W., Seeger L.L., Tipton J.S., Dawson, E.G., Delamarter, R.B., Kilgus D.J: Variability in Lumbar Spine Bone Mineral Densitometry by Dual Energy X-Ray Absorptiometry in Normal Volunteers. 1995 American Academy of Orthopaedic Surgeons, Orlando, Florida.

25. Sandhu, H.S., Kanim, L.E.A., Kabo J.M.,Liu D., Delamarter, R.B., Dawson, E.G: Effective Doses of Recombinant Bone Morphogenetic Protein in Experimental Spinal Fusion. 1995 Scoliosis Research Society, Asheville, North Carolina

26. Sandhu, H.S., Ozuna R., Kanim, L.E.A., Liu D., Kabo J.M., Delamarter, R.B., Dawson, E.G: Carriers for Bone Morphogenetic Protein for Posterolateral Spinal Fusion. 1995 Scoliosis Research Society, Asheville, North Carolina

27. Sandhu, H.S., Turner S., Boyd L., Kanim, L.E.A., Delamarter, R.B., Dawson, E.G: Distractive Properties of Interbody Cages: An in vivo model. 1995 Scoliosis Research Society, Asheville, North Carolina

28. Sandhu, H.S., Ozuna R., Kanim, L.E.A., Liu D., Kabo J.M., Delamarter, R.B., Dawson, E.G: Experimental Spinal Fusions with Recombinant BMP: Is Decortication Necessary? 1995 Scoliosis Research Society, Asheville, North Carolina

29. Sandhu, H.S., Kanim, L.E.A., Kabo, J.M., Liu D, Delamarter, R.B., Dawson, E.G: Effective Doses of Recombinant Bone Morphogenetic Protein in Experimental Spinal Fusion. 1995 North American Spine Society, Washington, D.C

30. Tsai, R.Y.C., Yang R.S., Kanim, L.E.A., Delamarter, R.B., Dawson, E.G: Intraoperative Dermatomal Evoked Potential Monitoring in Lumbar Decompression Surgery. 1995 North American Spine Society, Washington, D.C.

31. Sandhu, H.S., Kanim, L.E.A., Kabo, J.M., Liu D, Delamarter, R.B., Dawson, E.G: Effective Doses of Recombinant Bone Morphogenetic Protein in Experimental Spinal Fusion. 1995 North American Spine Society, Washington, D.C

32. Ozuna R.M., Sandhu, H.S., Kanim, L.E.A.,Liu, D. Kabo, J.M., Delamarter, R.B., Dawson, E.G: Experimental Spinal Fusion with Recombinant BMP: Is Decortication Necessary? 1995 North American Spine Society, Washington, D.C

33. Tsai, R.Y.C., Yang R.S., Kanim, L.E.A., Delamarter, R.B., Dawson, E.G: Intraoperative Dermatomal Evoked Potential Monitoring in Lumbar Decompression Surgery. 1995 North American Spine Society, Washington, D.C.

34. Sandhu, H.S., Kanim, L.E.A., Kabo, J.M., Liu, D., Delamarter, R.B., Dawson, E.G., Comparison of Various Doses of rhBMP-2 and OPLA Carrier in a Canine Spinal Fusion Model, International Society for the Study of the Lumbar Spine (ISSLS) June 1995, Helsinki, Finland.

35. Sandhu, H.S., Ozuna, R., Kanim, L.E.A., Liu, D., Kabo, J.M., Delamarter, R.B., Dawson, E.G., Undecorticated Spinal Fusions with Recombinant BMP. International Society for the Study of the Lumbar Spine (ISSLS) 25-29 June 1996, Burlington, Vermont.

36. Sandhu, H.S., Ozuna, R Kanim, Liu, D., L.E.A., Kabo, J.M., Delamarter, R.B., Dawson, E.G., Carriers for Bone Morphogenetic Protein for Posterolateral Spinal Fusion, International Society for the Study of the Lumbar Spine (ISSLS) 25-29 June 1996, Burlington, Vermont.

37. Wang J.C., Yu, W.D., Sandhu, H.S., Delamarter, R.B., Dawson, E.G., MRI and CT Imaging of Tantalum Spinal Instrumentation. International Society for the Study of the Lumbar Spine (ISSLS) 25-29 June 1996, Burlington, Vermont.

38. Sandhu H.S., Turner, S., Kanim, L.E.A., Kabo, J.M., Toth, J.M., and Dawson, E.G.: Augmentation of threaded titanium fusion cages with rhBMP-2 for experimental anterior lumbar fusion, 31th Annual Meeting Scoliosis Research Society, Ottawa, ON Canada, Sept. 25-28, 1996.

39. Sandhu H.S., Toth, J.M., Turner, S., Kabo, J.M., Kanim, L.E.A., and Dawson, E.G., Porous tantalum metal as a biologically advantageious spinal fixation material, 31th Annual Meeting Scoliosis Research Society, Ottawa, ON Canada, Sept 25-28, 1996.

40. Nagakawa, I.S., Soni, V., Bernbeck, J., Aldrich, E., Nelson, S., Sandhu, H., Dawson, E.: A pilot study on the use of anit TGF-B1, 2 and TGF-Beta 3 in Scar Tissue Inhitition. Orthopaedic Research Society, Anaheim, California , February 1-4, 1999.

41. Kanim, L., de Grange, D., Dawson E.G.: The rat as a model for intertransverse process spinal fusion. Orthopaedic Research Society, Anaheim, California , February 1-4, 1999. Orthopaedic Research Society(ORS), Anaheim, California , February 1-4, 1999.

42. Blechner, M., Kanim, L., Patel, M., Grewal, R., Delamarter, R., Dawson E: Clinical evaluations of the distractive properties of interbody cages for anterior spinal fusion. Orthopaedic Research Society, Anaheim (ORS), California , February 1-4, 1999.

43. Bassewitz, H., Wang J.C., Kanim L.E.A., Dawson E.G., Sandhu H.S.: The morbidity of iliac bone graft : A comparision between harvesting using acetabular reamers and traditional methods. 66th Annual Meeting American Academy of Orthopaedic Surgeons. Anaheim, California, February 4-8, 1999.

44. Blechner, M., Kanim, L., Patel, M., Grewal, R., Delamarter, R., Dawson E: Clinical evaluations of the distractive properties of cages for anterior spinal fusion. 66th Annual Meeting American Academy of Orthopaedic Surgeons. Anaheim, California, February 4-8, 1999.

45. Kanim L.E.A., Wang J.C., Dawson E.G.: Rat models for intertransverse process spinal fusion. Cambridge Healthtech Institute’s Orthopaedic Animal Models.Designing Effective Models to Expedite Human Clinical Trials, Arlington Virginia, June 28-29, 1999.

46. Sandhu H.S., Kanim L.E.A., Girardi F., Cammisa F.P., Dawson E.G.: Animal models of spinal instability and spinal fusion. Cambridge Healthtech Institute’s Orthopaedic Animal Models.Designing Effective Models to Expedite Human Clinical Trials, Arlington Virginia, June 28-29, 1999.

47. Dawson E.G., Kanim L.E.A., Sra P., Delamarter, R.B., Sandhu, H.S: Low back pain recollection versus concurrent accounts: an outcomes analysis. International Society for the Study of the Lumbar Spine (ISSLS) 25-29 June 1999, Kona, Hawaii. “Best Poster Award.”

48. Neubuerger C., Dawson E.G: Early radiographic characteristics of failure after anteriro intervody fusion employing cages. International Society for the Study of the Lumbar Spine (ISSLS) 25-29 June 1999, Kona, Hawaii.

49. Wang J.C., Yoo S., Kanim L.E.A., McAllister P.L. Nelson S.D., Dawson E.G., Lieberman J.R.: Gene Therapy for Spinal Fusion: Transformation of Marrow Cells with an Adenoviral Vector to Produce BMP-2. 34th Annual Meeting Scoliosis Research Society, San Diego, California, Sept 23-25, 1999. “Hibbs Award” for best basic science paper.

Videotapes and Movies:

1. Congenital Scoliosis, (Movie), American Academy of Orthopaedic Surgeons, 1975 and 1977.

2. Backache, Videoclinic Series, American Medical Association Convention, June, 1977 and December 1977.

3. Dawson, E: "Lumbar Instability". Video Journal of Orthopaedic Surgery, Volume 1, Issue 3, 1986.

4. Dawson, E: "Spinal Stenosis". Video Journal of Orthopaedic Surgery, Volume 1, Issue 5, 1986.

5. Dawson, E.: "Prevent Back Pain Update". American Medical Association Video Library, 1986.

6. Lifetime Video Series - AAOS - Los Angeles, California, December 1987.

Articles Written by Edgar G. Dawson, MD

Arachnoiditis

Arachnoiditis is a debilitating chronic pain condition characterized by severe stinging, burning pain, and neurologic problems. It is caused by an inflammation of the arachnoid lining, one of the 3 membranes surrounding the brain and spinal cord.

What is Spondylolisthesis

Spondylolisthesis can be present at birth, develop during childhood or later in life. The disorder may result from the physical stresses to the spine from carrying heavy things, weightlifting, gymnastics, and general wear and tear.

Lumbar Back Sprains: Diagnostic Steps

A lumbar sprain or strain causes local tissues to swell causing pain, tenderness and stiffness. The pain and other symtpoms may mimic other disorders affecting the back.

Lumbar Back Sprains and Strains

Most people will experience back pain during their lifetime. Some patients fear the worst, especially when pain is severe. Although back pain can be caused by fracture, disc disorder, or tumor, the most common cause is sprain or strain.

Lumbar Back Sprains: Treatment and Prevention

The most common cause of back pain is a spinal sprain or strain. Because the pain can be sudden and severe, some patients fear the worst.

Osteoarthritis: Degenerative Spinal Joint Disease

Spinal osteoarthritis, also called spondylosis, affects your spinal joints and can cause back pain or neck pain. Learn the causes and symptoms of spondylosis.

Osteoporosis: Treatment Goals and Prevention

Having osteoporosis does not have to mean a life of pain and inactivity. The four-fold goals in the treatment of osteoporosis are discussed here.

Herniated Discs: Definition, Progression, and Diagnosis

This informative article explains herniated discs in easy-to-understand language. Learn what a herniated disc really is, how we develop them, where we can feel pain from them, and how doctors diagnosis them.

Osteoporosis: Detection and Diagnosis

A Bone Mineral Density test is often used to help diagnose osteoporosis and determine the risk for future fracture.

Osteoarthritis: Commonly Affected Joints

Osteoarthritis can occur in any joint but most often occurs in the spine, hips, knees, or hands.

Osteoporosis: The Silent Thief

Osteoporosis causes bones to become weak and fragile. This can cause loss of height, humpback (kyphosis), and debilitating pain. It's a "silent thief" because you often don't know you're losing bone density until you fracture a vertebra.

Spinal Cord Stimulation: Is it Right for You?

For some patients, spinal cord stimulation is an option to treat chronic low back pain. In this therapy, electrical impulses are used to block pain from being perceived in the brain. Instead of pain, the patient feels a mild tingling sensation.

Osteoarthritis: Treatment Options

Although there is no 'cure' for osteoarthritis, the symptoms can be treated.

Types of Osteoporosis: Primary or Secondary

Some physicians classify osteoporosis as either primary or secondary. Classification may be dependent on whether the osteoporosis is age related or caused by a medical condition or medications that can interfere with normal bone reformation.

Espondiolistesis

La espondolistesis se produce cuando una vértebra se desplaza hacia adelante sobre una vértebra adyacente, generalmente en la zona lumbar.

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