Proximal Chevron Osteotomy Bunion Correction


Indication

A Proximal Chevron osteotomy is a surgical procedure to correct a moderate bunion deformity.  It is one of many different types of bunion procedures that may be performed. The proximal chevron osteotomy involves an incision on the inside (medial aspect) of the forefoot, followed by two angled bone cuts (osteotomy) through the base of the 1st metatarsal (the bone that leads to the great toe).  The wedge-shaped bone cut allows the distal part (end closest to the toe) of the metatarsal bone to be translated in a lateral direction, moving it towards the little toe, to improve the overall alignment of the 1st metatarsal, thereby helping to correct the bunion deformity. The cut bone fragments are then stabilized with screws or a plate. This procedure is usually combined with a 1st MTP joint capsularraphy.

Procedure

As this procedure involves cutting the bone, a period of limited weight-bearing for about 6 weeks is required to allow the bone to heal. 


Edited on July 3, 2017

mf/3.27.18 

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