Shortening and vertical shift at osteotomy of 1st metatarsal for hallux valgus—the effect on forefoot loading

The effects of weight distribution of the foot were observed in 81 patients undergoing 137 modified Mitchell's osteotomies for hallux valgus deformities. Footprints, using the Harris Beath mat, were done and X-rays measured before and after surgery. Shortening of the 1st metatarsal at surgery o...

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Bibliographic Details
Published inFoot (Edinburgh, Scotland) Vol. 16; no. 2; pp. 67 - 70
Main Authors Zafiropoulos, G., Northover, J.R., Henry, A.P.J.
Format Journal Article
LanguageEnglish
Published Elsevier Ltd 01.06.2006
Subjects
Footprints
Hallux valgus
Metatarsal
Metatarsal
Hallux valgus
Footprints
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Summary:The effects of weight distribution of the foot were observed in 81 patients undergoing 137 modified Mitchell's osteotomies for hallux valgus deformities. Footprints, using the Harris Beath mat, were done and X-rays measured before and after surgery. Shortening of the 1st metatarsal at surgery of more than 5 mm and upwards tilt of the head of more than 2 mm both increase the risk of transfer of weight distribution from the 1st metatarsal head to the lesser metatarsal heads. When shortening was combined with upwards tilt at osteotomy, weight transfer to the lesser metatarsal heads became almost universal. When shortening was combined with downwards tilt at osteotomy, this load transfer was much less frequent.
ISSN:0958-2592
1532-2963
DOI:10.1016/j.foot.2005.12.002