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General Orthopaedics

BUNION ABSTRACT

Australian Orthopaedic Association Limited (AOA)



Abstract

Hallux valgus continues to frustrate foot and ankle surgeons the world over.

The condition is mostly clear in its aetiology but unclear in its pathogenesis. The key, as in all surgery, is decision making, patient selection and to have many surgical options available.

The key things to consider are: joint congruency, the presence of arthritis, the presence of metatarsus adductus, the intermetatarsal angle, the hallux valgus angle and the presence of interphalangeal deformity. I consider true hypermobility of the first ray and Achilles tendon tightness to be less important factors. Patient expectations are particularly important as most patients with hallux valgus are women who want to wear high-heeled shoes!

The most successful operations consist of a combination of soft tissue and bony procedures. The most common error in bunion surgery, in my opinion, is the use of a procedure with inadequate power to correct the deformity. When the joint is markedly arthritic and deformed an arthrodesis is the procedure of choice.

I will discuss the above points in the lecture.