Deforming Arthrosis of First Metetarsophalangeal Joint (etiology, pathogenesis, peculiarities of surgical treatment)

Algorithm for the choice of surgical techniques for the treatment of first metetarsophalangeal joint arthrosis is presented. New aspects of etiopathogenesis are determined. It is shown that syndrome of progressing flat valgus foot causes overloading of dorsal articular surfaces of first metatarsophalangeal joint resulting in fast progression of arthrosis in this joint. Schemes of various types of operations, their correlation by frequency of use and efficacy depending on the degree of pathology severity are presented.