The effect of hallux abducto valgus surgery on the sesamoid apparatus position

Author:

Judge MS1,LaPointe S1,Yu GV1,Shook JE1,Taylor RP1

Affiliation:

1. Department of Surgery, PHS Mt Sinai Medical Center, Cleveland, OH, USA.

Abstract

A new parameter, the tibial sesamoid-second metatarsal distance, was established to determine whether the sesamoids move in relation to the foot in hallux abducto valgus surgery. The reliability of the tibial sesamoid-second metatarsal distance was assessed and shown to be excellent. Seventy-five feet underwent surgical correction of hallux abducto valgus. Four radiographic parameters--the intermetatarsal angle, the hallux abductus angle, the tibial sesamoid position, and the tibial sesamoid-second metatarsal distance--were measured before and after surgery. The hallux abductus angle, intermetatarsal angle, and tibial sesamoid position were all significantly reduced following surgery. The tibial sesamoid-second metatarsal distance was not affected by hallux abducto valgus correction. Thus the correction in sesamoid position gained with hallux abducto valgus correction is a direct result of lateral translocation of the metatarsal head, with no contribution from change in position of the sesamoid apparatus relative to the foot.

Publisher

American Podiatric Medical Association

Subject

General Medicine

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