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Dr Ranjan Gupta, Orthopaedic Surgeon, Irvine, Newport Beach, Huntington Beach, Costa Mesa, Orange, CA / Ranjan Gupta, MD / Scientific Presentations
Scientific Presentations

International and National Meetings

  1. Gupta, R, Naranja, RJ, Levitz, CL, Brighton, CT. The Biochemical Pathway of Capacitively Coupled Electric Field Stimulation of Osteoblast and Osteoblast-like Cells. Society for Physical Regulation in Biology and Medicine, Washington, D.C., October 1994.
  2. Gupta, R, Taffet, R, Adler, LM, Nelson, CL, Dalton, GP, Dalsey, RM, DeLong, WG, Born, CT, Iannacone, WM, Deutsch, LS. Operative Stabilization of Humeral Shaft Fractures Using Enders Rods and Statically Locked Intramedullary Nails. American Academy of Orthopaedic Surgeons, Orlando, Florida, 1995.
  3. Gupta, R, Allen, F, Bozentka, DJ, Osterman, AL, Bora, FW. The Effect of Laminar Fluid Flow on Fibroblasts Derived from Dupuytren’s Tissue. Orthopaedic Research Society, San Francisco, California, February 1997.
  4. Gupta, R, Bozentka, DJ, Bora, FW. Evaluation of Tension Applied for External Fixation of Distal Radius Fractures. American Academy of Orthopaedic Surgeons, San Francisco, California, February 1997.
  5. Gupta, R; Villablanca, PB; Jones, NF; Filler, AA: Evaluation of an acute compression injury in an animal model by magnetic resonance neurography. International Reconstructive and Microsurgery, Los Angeles, California, June 1999.
  6. Gupta, R; Nelson, SD; Baker, J; Jones, NF; Meals, RA: the innervation of the triangular fibrocartilage complex: nitric acid maceration rediscovered. American Society for Surgery of the Hand, Boston, Massachusetts, September 1999.
  7. Gupta, R; Jones, NF: Post-operative Monitoring of Toe-to Hand transfers in a pediatric Population with Pulse Oximetry. American Society for Surgery of the Hand, Boston, Massachusetts, September 1999.
  8. Gupta, R; Fornalski, S; Allaire, R; Osterman, AL: Three dimensional motion analysis of progressive ulnar wrist pathology. American Society for Surgery of the Hand, Seattle, Washington, 2000.
  9. Gupta, R; Bui, P; Jones, NF; Robertson, RT: Induction of Schwann cell apoptosis in an animal model for carpal tunnel syndrome. American Society for Surgery of the Hand. Seattle, Washington, 2000.
  10. Gupta, R; Bui, P; Baretta, J; Robertson, RT: Is carpal tunnel syndrome an acquired neuro-degenerative process? Society for Neuroscience, New Orleans, Louisiana, 2000.
  11. Gupta, R; Chafik, D; Bear, D; Steward, O: Quantative stereologic evaluation of a model for carpal tunnel syndrome. Society for Neuroscience, San Diego, California, 2001.
  12. Gupta, R; Lin, Y; Preston, C; Jones, NF; Steward, O: Altered expression of mRNA for iNOS with chronic nerve injury. American Association for Hand Surgery, Cancun, Mexico, 2002.
  13. Gupta, R; Chafik, D; Bear, D; Bui, P; Steward, O: Quantitative stereologic evaluation of a model for carpal tunnel syndrome. Orthopaedic Research Society, Dallas, Texas, 2002.
  14. Gupta, R; Schamblin, M; Yang, BY; McMaster, WC; Lee, TQ: Shoulder arthroplasty and glenohumeral joint forces in positions of overhead activities. Orthopaedic Research Society, Dallas, Texas, 2002.
  15. Gupta, R; Chafik, D; Jones, NF; Steward, O: Chronic nerve compression induces Schwann cell proliferation. American Society for Surgery of the Hand, Phoenix, Arizona, 2002.
  16. Gupta, R; Rowshan, K; Chao, T; Bui, P; Mozaffar, T: Aberrant axonal sprouting with the absence of Wallerian degeneration in a model for carpal tunnel syndrome. Orthopaedic Research Society, New Orleans, Louisiana, 2003.
  17. Gupta, R; Bingenheimer, E; McGarry, MH; Fornalski, S; Lee, TQ: Ulnar shortening may be a useful adjunct for lunato-triquetral arthrodesis. Orthopaedic Research Society, New Orleans, Louisiana, 2003.
  18. Gupta, R; Chao, T; Jones, NF; Steward, O. Why is there pain with carpal tunnel syndrome? American Society for Surgery of the Hand, Chicago, IL, 2003.
  19. Gupta, R; Lee, TQ. Positional dependent changes in glenohumeral contact pressure and force-possible biomechanical etiology of posterior glenoid wear. American Shoulder and Elbow Surgeons Current Basic Science in Shoulder and Elbow. Dana Point, CA, 2003.
  20. Rowshan, K; Chao, T; Mozaffar, T; Gupta, R. Myelin Changes During Chronic Nerve Compression. American Society for Peripheral Nerve. Palm Springs, CA, 2004
  21. Rowshan, K; Chao, T; Bui, P; Mozaffar, T; Steward, O; Gupta, R. Altered Schwann Cell Function with a Model for Carpal Tunnel Syndrome. International Symposium on Ligaments & Tendons IV. San Francisco, CA, 2004.
  22. Gupta R, Rummler L, Palispis W, Truong L, Chao T, Rowshan K, Steward O. Local down-regulation of myelin associated glycoprotein permits axonal sprouting after chronic nerve compression injury. Peripheral Nerve Society. Il Cucciono, Italy, 2005.
  23. Bear, D; Rummler, LS; Gupta, R. The pain of carpal tunnel syndrome occurs secondary to localized ion channel migration. Peripheral Nerve Society. Il Cucciono, Italy, 2005
  24. Gupta, R; Rummler, LS; Palispis, W; Truong, L; Chao, T; Rowshan, K; Mozaffar, T; Steward, O. Local down-degulation of myelin associated glycoprotein permits axonal sprouting after chronic nerve compression injury. The Eleventh International Symposium on Neural Regeneration, Pacific Grove, CA, December 14-18, 2005
  25. Gupta, R; Gray, M; Popovich, PG; Van Rooijen N. Macrophage depletion alters the blood nerve barrier without affecting Schwann cell function after neural injury. The Society for Neuroscience Annual Meeting, Atlanta, GA, October 15, 2006.
  26. Rummler, L; Palispis, W; Gupta, R. Schwann cells up-regulate NaV1.8 after chronic nerve injury. The 16th Meeting of the Sunderland Society, Manchester, UK, April 30, 2007.
  27. Gupta, R; Strandberg, E; Tafti, M; Steward, O. Glial Derived Growth Factor Modulates Neuronal Phenotype after Chronic Nerve Injuries (Paper39). 62nd Annual Meeting of the American Society for Surgery of the Hand, Seattle, WA, September 28, 2007.
  28. Rummler, LS; Palipis, W; Gupta, R. Understanding the pain associated with Chronic Nerve Compression Injuries. Annual Meeting of American Society for Peripheral Nerve. Los Angeles, CA, January 13, 2008.
  29. Gupta, R. Mechanotransduction of chronic nerve injury via Schwann cells. Annual Meeting of the Japanese Society for Surgery of the Hand. Tsukuba, Japan, April 17, 2008.
  30. Gupta, R; Hazel, A; Palispis, W; Forootan, M; Rummler, LS. Ischemic Nerves are more Susceptible to Mechanical Injury. Annual Meeting of the American Society for Surgery of the Hand and American Society of Hand Therapists. San Francisco, California, September 4, 2009.
  31. Gupta, R; Nguyen, ML; Jun, B; Galle, SE; McGarry, MH; Burkhart, SS; Lee, TQ. Paper #25: Margin Convergence to Bone for Reconstruction of the Anterior Attachment of the Rotator Cable in Massive Rotator Cuff Tears. American Shoulder and Elbow Surgeons 2010 Closed Meeting. Scottsdale, AZ, October 22, 2010.
  32. Gupta, R. Future Directions and Innovations in the Management of Peripheral and Brachial Plexus Injuries. The 11h Triennial Congress of the International Federation of Societies for Surgery of the Hand. Seoul, South Korea, November 1, 2010.
  33. Lin, M; Forootan, M; Gupta, R. Hypoxia and Ischemia Sensitize Peripheral Nerves to Pressure: A Study of Entrapment Neuropathy. The 11th Triennial Congress of the International Federation of Societies for Surgery of the Hand. Seoul, South Korea, November 3, 2010.
  34. Lin YM; Friebos, LR; Palispis, W; Gupta, R. Biophysical stimuli induce demyelination via an integrin dependent mechanism. The American Society for Peripheral Nerve. Cancun, Mexico, January 15, 2011.
  35. Kang, JR; Wang, W; Nassiri, N; Mozaffar, T; Gupta, R. Does Neural Wound Healing Help to Explain the Pathogenesis of Compressive Neuropathies? The Peripheral Nerve Society. Potomac, MD. June 27, 2011.
  36. Nassiri, N; Kang, J; Hazel, T; Bathen, M; Gupta, R. Cajal Band Reorganization and the Disruption of Schwann Cell Dystrophin-Related Protein Complex following Chronic Nerve Compression Injury. The Peripheral Nerve Society. Potomac, MD. June 27, 2011.
  37. Chao, T; Frump, D; Mozaffar, T; Gupta, R. Nerve Surgery Alone Can Only Do So Much:An Attempt to preserve the Target End-Organ. The Sunderland Society. New York City, NY. December 13, 2011.
  38. Gupta, R.Orthopaedic Alternative Medicine: The Science and the Voodoo. The Association of Bone and Joint Surgeons Paper 32, Eugene, OR. July 11, 2015.
  39. Palispis, WA; Chan, J; Gupta, R.What happens to the human motor endplate after a traumatic nerve injury? The Association of Bone and Joint Surgeons 69th annual meeting paper #30, Friday, April 7, 2017; Austin, Texas.
  40. Gupta, R. Small Animal Models for Nerve Injury May Not Recapitulate the Human Condition. The Association of Bone & Joint Surgeons 70th annual meeting paper #51, Saturday, May 5, 2018; Lisbon, Portugal.
  41. Gupta R, Chan J, Palispis W, Uong J, Hoang H. Two-Photon Imaging of Human Neuromuscular Junction Degradation After Traumatic Peripheral Nerve Injury. Annual meeting of the Peripheral Nerve Society, Tuesday July 24, 2018; Baltimore, Maryland.
  42. Gupta, R; Chan, J; Uong, J; Palispis, W; Steward, O; Lee, TQ. Analysis of Human Muscles of the Shoulder and Upper Extremity: A Temporal Profile of Human Motor Endplate Degradation. Annual Meeting of American Shoulder and Elbow Surgeons, Paper #34; Sunday October 14, 2018; Chicago, Illinois.
  43. Gupta, R. Management of Proximal Phalanx Fractures. AO Hand and Wrist Fracture Management; Saturday November 10, 2018; Irvine, California.

Regional and Local Meetings

  1. Gupta, R, Kitay, GS, Naranja, RJ, Lee, BS, Osterman, AL, Rubin, D, Bozentka, DJ. MRI Diagnosis of Flexor Tendon Injuries. Pennsylvania Orthopaedic Society, Philadelphia, Pennsylvania, November 1995.
  2. Gupta, R: Dupuytren's Contracture, Department of Orthopaedic Surgery, University of California, Irvine, California, March 25, 1999.
  3. Gupta, R: Surgical Anatomy of the Hand and Upper Extremity Part I and II, Department of Orthopaedic Surgery, University of California, Irvine, California, July 2000.
  4. Gupta, R: Surgical Management of Proximal Humerus Fractures, Department of Orthopaedic Surgery, University of California, Irvine, California, September 2000.
  5. Gupta, R: Sports Injuries of the Elbow Parts I and II, Department of Orthopaedic Surgery, University of California, Irvine, California, October, 2000.
  6. Gupta, R: Histology Clinical Correlate: Bone. First year medical students. College of Medicine, University of California, Irvine, California, October 26, 2000.
  7. Gupta, R: Histology Clinical Correlate: Muscle and Nerve. First year medical students. College of Medicine, University of California, Irvine, California, November 2, 2000.
  8. Gupta, R: The Painful Shoulder – History and Physical Examination. Orange County Association of Registered Nurse Practitioners, Irvine, California, California, January 18, 2001.
  9. Gupta, R: The Painful Shoulder – Humeral Head Replacement vs. Total Shoulder Arthroplasty. Grand Rounds, Department of Orthopaedic Surgery, University of California, Irvine, California, January 25, 2001.
  10. Gupta, R: Surgical Anatomy of the Hand and Upper Extremity, Department of Orthopaedic Surgery, University of California, Irvine, California, July 2002
  11. Gupta, R: Histology Clinical Correlate: Bone. First year medical students. College of Medicine, University of California, Irvine, California, October 22, 2002.
  12. Gupta, R: Histology Clinical Correlate: Muscle and Nerve. First year medical students. College of Medicine, University of California, Irvine, California, October 28, 2002.
  13. Gupta, R: UPDATE – Specialty Panel for medical students. College of Medicine, University of California, Irvine, California, December 4, 2002.
  14. Gupta, R: Electrical Burns of the Upper Extremity, Department of Orthopaedic Surgery, University of California, Irvine, California, February 2003.
  15. Gupta, R: Biomechanics of the wrist. Department of Orthopaedic Surgery, University of California, Irvine, California, March 2003.
  16. Gupta, R: LCS plate fixation of the upper extremity. Department of Orthopaedic Surgery, University of California, Irvine, California, March 2003.
  17. Gupta, R: Replantation of the Upper Extremity, Department of Orthopaedic Surgery, University of California, Irvine, California, April 2003.
  18. Gupta, R: Flexor Tendon Injury and Repair, Department of Orthopaedic Surgery, University of California, Irvine, California, November 2003.
  19. Gupta, R: What’s new in Hand Surgery?, Department of Orthopaedic Surgery, University of California, Irvine, California, December 2003.
  20. Gupta, R: Adult Brachial Plexus Injuries. Department of Orthopaedic Surgery, University of California, Irvine, California, January 2004.
  21. Gupta, R: Histology Clinical Correlate: Bone. First year medical students. College of Medicine, University of California, Irvine, California, October 29, 2004.
  22. Gupta, R: Histology Clinical Correlate: Muscle and Nerve. First year medical students. College of Medicine, University of California, Irvine, California, November 4, 2004.
  23. Gupta, R: Compartment Syndromes of the Upper Extremity. Department of Orthopaedic Surgery, University of California, Irvine, California, December 16, 2004.
  24. Gupta, R: Distal Radius Fractures. Department of Orthopaedic Surgery, University of California, Irvine, California, June 16, 2005
  25. Gupta, R: Surgical Anatomy of the Hand and Upper Extremity, Department of Orthopaedic Surgery, University of California, Irvine, California, July, 2005.
  26. Gupta, R: Histology Clinical Correlate: Bone. First year medical students. College of Medicine, University of California, Irvine, California, October 12, 2005.
  27. Gupta, R: Histology Clinical Correlate: Muscle and Nerve. First year medical students. College of Medicine, University of California, Irvine, California, October 13, 2005.
  28. Gupta, R: Examination of the Hand and Upper Extremity, Department of Orthopaedic Surgery, University of California, Irvine, California, April, 2006.
  29. Gupta, R: Carpal and Hand Fractures, Department of Orthopaedic Surgery, University of California, Irvine, California, April, 2006.
  30. Gupta, R: General Principles of Tendon Transfers and Tendon Transfers for Radial Nerve Palsy, Department of Orthopaedic Surgery, University of California, Irvine, California, June, 2006.
  31. Gupta, R: Wrist Arthroscopy, Department of Orthopaedic Surgery, University of California, Irvine, California, September, 2006.
  32. Gupta, R: Anatomy of the Hand and Upper Extremity, Department of Orthopaedic Surgery, University of California, Irvine, California, August, 2007.
  33. Gupta, R: Peripheral Nerve Injury and Repair, Department of Orthopaedic Surgery, University of California, Irvine, California, August, 2007.
  34. Gupta, R: Basic Science of Peripheral Nerve Injury, Department of Orthopaedic Surgery, Kaiser Permanente, Orange California, August, 2007.
  35. Gupta, R. Histology Clinical Correlate: Bone and Cartilage. First year medical students. College of Medicine, University of California, Irvine, California, October, 2007.
  36. Gupta, R: Adult Brachial Plexus Injuries. Department of Orthopaedic Surgery, University of California, Irvine, California, September 2021.
  • American Society for Surgery of the Hand
  • American Shoulder and Elbow Surgeons
  • American Medical Association
  • Orthopaedic Research Society
  • American Neurological Association