Forefoot operative technique

Product catalog summary

Overview: The document provides a technical analysis of articular angles and congruence in the context of hallux valgus, a foot deformity. It outlines clinical situations and appropriate surgical corrections.

1. Moderate Congenital Hallux Valgus:

Characterized by metatarsus varus and a positive DMAA (> 7°).
Moderate angle between M1 and M2.
Joint is typically congruent.
Correction involves simple translation of the head.

2. Severe Congenital Hallux Valgus:

DMAA is clearly positive.
Joint is usually congruent.
Correction involves varisation (medial derotation) and translation of the head.

3. Negative DM2AA:

May occur with or without abnormal DMAA.
Associated with metatarsus varus (angle M1-M2 > 16°).
Articular incongruence is present.
Correction involves lateral translation or valgisation (lateral derotation) and often shortening of the first metatarsophalangeal ray.

4. Abnormality of the Phalanx:

Requires independent correction.
Phalangeal osteotomy can correct gigantism of the hallux, interphalangeal valgus, and pronation.

Example: An Egyptian foot type with interphalangeal valgus and pronation is provided as an example.

Catalog excerpts

Fiches A4 R-V situ clinik 2P HALLUX VALGUS Document produced by the TALUS group of GECO (www.geco-medical.org) - 2004. The analysis of articular angles and congruence helps to precisely describe particular clinical situations, which require appropriate management. 1: DM2AA = 0 MODERATE CONGENITAL HALLUX VALGUS CLINICAL SITUATIONS CLINICAL SITUATIONS POUR UNE GESTION FACILE AU BLOC OPERATOIRE > Metatarsus varus and positive DMAA (DMAA > 7°), > Moderate angle M1- M2, > In most cases, the joint is congruent. Correction consists of simple translation of the head. 2: DM2AA IS POSITIVE SEVERE CONGENITAL HALLUX VALGUS > The DMAA is clearly positive, > The joint is congruent in most cases, Correction consists of varisation (medial derotation) of the head combined with translation.

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> With or without abnormal DMAA, > This is the situation of metatarsus varus (angle M1-M2 > 16° > Articular incongruence is present. Correction consists of lateral translation or valgisation of the head (lateral derotation) and in most cases shortening of the first metatarsophalangeal ray. > Requires correction independently of the preceding clinical situations, > Phalangeal osteotomy enables correction of: interphalangeal valgus, Example of an Egyptian foot type with interphalangeal

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