Hallux Varus: First MTP Fusion (using Stryker Anchorage MTP arthrodesis plate )
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Hallux varus is a deformity of the big toe caused by a variety of reasons, the commonest of which is iatrogenic following hallux valgus surgery
The condition is characterized by a coronal plane deformity where the hallux is deviated medially and the intermetatarsal angle between the first and second metatarsals is decreased to below the normal angle of 9-11 deg. In longstanding cases there might be medial dislocation of the medial sesamoid and an inability to toe off as a result of an unstable metatarsophalangeal joint. Foot wear is a significant problem in these patients as the forefoot becomes wide. It is often associated with worsening osteoarthritis as the incongruence of the joint surfaces increase.
Arthrodesis of the 1st metatarsophalangeal joint is reserved for those cases of hallux varus where there is severe symptomatic arthritis causing pain
Author: Kartik Hariharan FRCS
Institution: Aneuran Bevan University Health Board ,Wales .
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