Faculty and Staff

Hansen A Yuan, M.D.
Orthopedic Surgery
STE128 550 Harrison Center
Syracuse, NY 13202
(315) 464-8622

Education and Clinical Training

M.D.: 1969, University of Michigan Medical School
Residency: 1970, University Hospital, SUNY Health Science Center at Syracuse
Residency: 1974, University Hospital, SUNY Health Science Center at Syracuse

Clinical Specialty

Orthopedic Surgery, Certified: 1975

Clinical Department/Section Affiliations

Orthopedic Surgery/Spine Surgery

Clinical Interests

Spine Alignment and spine stability in osteoporotic patients; Total Disc Replacements;Disc Arthroplasty;ts;

Research Program and Department Affiliations

Orthopedic Surgery

Research Interests

Spine Surgery; Artificial nucleus replacement bone morphogenic protein for bone grafting; Interdiscal fusion devices; Minimal invasive techniques for discectomy fusion and artificial disc replacement

Research Abstract

A Clinical Trial to Evaluate the Posterior Reconstruction Plate in Treating Cervical Spine Instability. With B. Fredrickson, P. Connolly, R.. Martin

Traditional nonsurgical treatment of cervical instability has included using various devices for external immobilization. The results are unsatisfactory for many cases of significant instability. Instability of the cervical spine may occur as a result of rheumatoid arthritis, trauma, tumors, or degenerative changes of the spine. Interspinous bone graft can be used alone or in conjunction with wire to promote solid fusion of the unstable segments of the spine. If the critical segments of the vertebra are comminuted, additional instrumentation (i.e., plating systems) may be required.

The purpose of this multi-center, prospective, controlled clinical study is to evaluate the Reconstruction Plate System in providing stability of the cervical vertebral segments. We are serving as both monitor and participant in this study. 160 patients (80 Reconstruction Plate, 80 controls) will be evaluated clinically and radiographically at specified intervals for up to two years. Outcome comparisons will be made between patients receiving the Reconstruction Plate versus those receiving cervical wire. The primary outcomes of interest are safety, pain, neurologic function, activity level, and rate of fusion.

Biomechanical Assessment of Nucleus Replacement

Degeneration and herniation of the intervertebral disc can result in the stimulation of mechanical and/or chemical pain generators. Replacement of the intervertebral disc has been attempted in the past, however, replacement of the entire disc may not be necessary in a number of clnical situations. We have been investigating novel new approaches and technologies that focus on replacement of only the nucleus and sustaining the integrity of the annulus.

This profile was last updated on 03/29/2005

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