School of Medicine
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Thomas Jefferson Blumenfeld
Clinical Associate Professor, Orthopaedic Surgery
Bio Dr. Blumenfeld is a board-certified, fellowship-trained orthopaedic surgeon with a clinical focus on primary and revision hip and knee joint replacement surgery. He is a clinical associate professor of orthopaedic surgery at Stanford University School of Medicine.
Dr. Blumenfeld has performed more than 4,000 knee and hip replacement procedures. His expert technique, comprehensive experience, and careful attention to detail enable him to excel at both first-time and revision procedures. Over the course of his career, he has achieved and maintained a complication rate well below the national average.
He listens empathetically to all patients, seeking to understand the impact their condition has on their daily activities. He prepares a personalized treatment plan that corresponds to the needs of each patient.
In every case, Dr. Blumenfeld?s treatment goals are to help relieve pain, enhance function, and improve quality of life. He seeks to assure even firsttime patients that he is committed to helping them fully understand both their diagnosis and recommended treatment, as well as timeframe for recovery.
All patients follow-up at regular intervals for clinical and X-ray evaluations following surgery. Dr. Blumenfeld encourages patients to visit him at least once every two years for a preventive care evaluation.
In addition to delivering clinical care, Dr. Blumenfeld conducts extensive research. He has been a principal investigator on clinical trials of new hip replacement systems. He was also a clinical investigator testing a robotic surgical system for total hip arthroplasty procedures. The team that developed this breakthrough received the prestigious Computerworld Smithsonian Award for Innovation in the Arts and Sciences for Medicine. As a pioneer in robotic surgery, Dr. Blumenfeld selectively uses computer-aided navigation technology for planning and performing surgical procedures.
Most recently, Dr. Blumenfeld?s research has focused on how to help surgeons reduce complication rates. He is actively investigating how the long termcost of hip and knee replacement procedures may vary depending on how early a patient¬ is diagnosed and treated.
He has authored dozens of articles on advanced surgical techniques for hip and knee arthroplasty, new materials for surgical implants, prevention of surgery-related infection, and other topics. His work has appeared in publications including Clinical Orthopaedics and Related Research, Journal of Arthroplasty, the Journal of Bone and Joint Surgery, Hip International, and others. In addition to authoring book chapters on primary and revision hip replacement surgery, Dr. Blumenfeld has written a book that shares his perspective on managed care and physician-patient communication.
He serves on the editorial boards of the Journal of Arthroplasty, Arthroplasty Today, and Clinical Orthopaedics and Related Research and is CME editor for Arthroplasty Today. He has been a member of the Adult Reconstruction?Knee Program Subcommittee and Hip Program Subcommittee for the Annual Meeting of the American Academy of Orthopedic Surgeons.
Dr. Blumenfeld has given presentations on advances in joint replacement surgery at the American Association of Hip and Knee Surgeons Annual Meeting, American Academy of Orthopedic Surgeons Annual Meeting, and other conferences.
Eugene Carragee, MD
Professor of Orthopaedic Surgery at the Stanford University Medical Center
Current Research and Scholarly Interests Dr. Carragee's research interests lie in outcomes assessment of surgical and rehabilitative treatment for cervical and lumbar intervertebral disk herniation; diagnosis and treatment of spine infections, instrumentation of the degenerative spine and spinal deformities and low back pain syndromes, pain and pain management.
Clinical Assistant Professor, Orthopaedic Surgery
Current Research and Scholarly Interests Dr. Chan's research interests include identifying risk factors for growth plate injuries during ACL reconstruction, developing new strategies to prevent pediatric sports injuries, and clinical outcomes of surgical reconstructions in the pediatric athlete.
James Chang, MD
Johnson and Johnson Professor of Surgery and Professor, by courtesy, of Orthopaedic Surgery at the Palo Alto Veterans Affairs Health Care System
Current Research and Scholarly Interests My role in research is to apply novel advances in tissue engineering and microsurgery to the clinical problems of hand trauma, peripheral nerve injuries, and congenital hand problems. I am interested in developing new tissues and techniques that will allow optimal reconstruction of form and function to those patients requiring reconstructive surgery.
Ivan Cheng, MD
Professor of Orthopaedic Surgery and, by courtesy, of Neurosurgery at the Stanford University Medical Center
Current Research and Scholarly Interests Dr. Cheng's research interests lie in the biologic enhancement of spinal fusions, molecular techniques of intervertebral disc regeneration, and techniques of spinal instrumentation. For more information, please go to http://www.ivanchengmd.com.
Emilie Cheung, MD
Associate Professor of Orthopaedic Surgery at the Stanford University Medical Center
Current Research and Scholarly Interests Pyrocarbon humeral head replacement
Clinical outcome after shoulder replacement
Clinical outcome after elbow replacement
Clinical outcomes following complex reconstruction of the shoulder and elbow,
Bone mineral density in the shoulder,
3D kinematics of the shoulder girdle after arthroplasty
Loretta Chou, MD
Professor of Orthopaedic Surgery at the Stanford University Medical Center
Current Research and Scholarly Interests I am a Board Certified Orthopaedic Surgeon, subspecializing in Disorders of the Foot and Ankle. My clinic offers diagnosis and treatment of deformities and acute injuries of the foot and ankle.
My research interests include: rupture and tendinitis of the Achilles tendon, osteochondral defects of the talus, Total Ankle Arthroplasty, arthrodesis (fusion) of the foot and ankle, open fractures treated with operations, and anatomy of the foot and ankle.
Constance Chu, MD
Professor of Orthopaedic Surgery (Sports Medicine) at the Palo Alto Veterans Affairs Health Care System
Bio Dr. Constance R. Chu is Professor and Vice Chair Research, in the Department of Orthopedic Surgery at Stanford University. She is also Director of the Joint Preservation Center and Chief of Sports Medicine at the VA Palo Alto. Previously, she was the Albert Ferguson Endowed Chair and Professor of Orthopaedic Surgery at the University of Pittsburgh. She is a clinician-scientist who is both principal investigator of several projects funded by the National Institutes of Health and who has been recognized as a Castle-Connelly/US News and World Report ?Top Doctor? in Orthopedic Surgery as well as on Becker?s list of Top Knee Surgeons in the United States. Her clinical practice focuses on the knee: primarily restoration and reconstruction of the ACL, menisci and cartilage. She graduated from the U.S. Military Academy at West Point and earned her medical degree from Harvard Medical School.
As Director of the multi-disciplinary Joint Preservation Center structured to seamlessly integrate the latest advances in biologics, mechanics, and imaging with comprehensive patient centered musculoskeletal and orthopedic care, Dr. Chu aims to develop a new model for health care delivery, research and education with an emphasis on health promotion and prevention. Cornerstones of this program include teamwork and a focus on personalized medicine. A central goal is to transform the clinical approach to osteoarthritis from palliation to prevention. In addition to optimizing clinical operations, outstanding research is critical to developing more effective new treatments. Towards this end, Dr. Chu is leading innovative translational research from bench to bedside in three main areas: quantitative imaging and biomarker development for early diagnosis and staging of joint and cartilage injury and degeneration; cartilage tissue engineering and stem cell based cartilage repair; and molecular and biological therapies for joint restoration and joint rejuvenation. Her research efforts have led to more than 30 professional awards and honors to include a Kappa Delta Award, considered to be the highest research honor in Orthopedic Surgery.
Dr. Chu also regularly holds leadership and committee positions in major professional organizations such as the American Association of Orthopedic Surgeons (AAOS) and the American Orthopedic Association (AOA). In her subspecialty of Orthopedic Sports Medicine, she is a past President of the Forum Sports Focus Group, a member of the Herodicus Society of leaders in Sports Medicine, and immediate past Chair of the American Orthopedic Society for Sports Medicine (AOSSM) Research Council. She is alumnus of the AOA American, British, Canadian (ABC) and the AOSSM Traveling Fellowships.