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Flake-Austin Modification of the STA-Peg Arthroereisis

A Retrospective Study

Patricia Forg, DPM^*, Kent Feldman, DPM, Edward Flake, DPM and Donald R. Green, DPM

^* Private practice, San Diego, CA.
Private practice, San Diego, CA.
Private practice, Pine Top, AZ.
Fellow, American College of Foot and Ankle Surgeons; Podiatric Residency Director, Scripps Mercy Hospital and Medical Center, San Diego, CA. Mailing address: 770 Washington St, Ste 202, San Diego, CA 92103.

Abstract

The Smith subtalar arthroereisis implant (STA-peg) is used to correct severe collapsing pes valgoplanus in children. Flake and Austin modified the placement of this implant to block the leading wall of the lateral talus. Twenty-one patients with a total of 40 STA-peg procedures were evaluated subjectively and objectively. The average age at the time of surgery was 9.7 years (4 to 16 years). The follow-up period averaged 36 months (12 to 90 months). The subjective, objective, and radiographic results were positive and the complication rate was low. A significant advantage of the Flake-Austin modification of the STA-peg placement in transverse planar dominant foot types is also noted. (J Am Podiatr Med Assoc 91(8): 394-405, 2001)