Biography

Research Interests

  • ​Osteoarthritis
  • Joint injury and disease
  • Nonsteroidal anti-inflammatory drugs

Educational Background

​Dr. Johnston graduated from the University of Pennsylvania in 1986.  After completing an internship at the University of Georgia and a small animal surgical residency at Michigan State University, he joined the faculty at the Virginia-Maryland Regional College of Veterinary Medicine at Virginia Tech in 1990.  He became a professor there in 2003, with a clinical specialty focus in orthopedic surgery.

Dr. Johnston left Virginia Tech in 2003 for private surgical practice, but returned to academic practice by joining the faculty at the University of Georgia in 2007.  He served as the small animal surgery Chief of Staff from 2008-2011, and is currently serving as Department Head.

He is a diplomate of the American College of Veterinary Surgeons.  His research interests include the treatment of osteoarthritis, particularly with nonsteroidal anti-inflammatory drugs.

Selected Publications

  • ​Johnston SA, McLoughlin R, Budsberg SC.  Medical management of osteoarthritis.  Vet Clin Small Anim 38 1449–1470, 2008.
  • Karnik PS, Johnston SA, Ward D, Broadstone RV, Inzana K.  The effects of epidural deracoxib on the ground reaction forces in an acute stifle synovitis model. Vet Surg 35;2006:34-42.

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