Purpose: Residual midfoot and hindfoot deformities in rigidly deformed feet present a very complicated surgical dilemma. A plantigrade foot is desirous for proper lower extremity mechanics in a child with ambulatory potential. In this group of patients, soft tissue procedures are no longer an appropriate option, and well-recognized hindfoot procedures, such as talectomy, have many disadvantages. This study reviews the results obtained using multiplanar supramalleolar osteotomy as a salvage procedure to correct deformities of the complex rigid foot in children.
Methods: A retrospective review was conducted of 27 multiplanar supramalleolar osteotomies in 18 children. The underlying diagnosis of the patients included seven severely rigid idiopathic clubfeet, five arthrogryposis, two myelodysplasia, one Ellis-van Creveld, one Streeter's, one cerebral palsy, and one severe burn contracture. The average age at surgery was 5.6 years, and follow-up averaged 8 years. A successful outcome was deemed a plantigrade foot on physical exam with follow-up of at least 2 years and no subsequent tibial surgeries. All failures were included regardless of the length of follow-up.
Results: A plantigrade attitude of the hindfoot was obtainable at the time of surgery in all cases. Eighteen of the 27 feet had a successful outcome. Nine of 27 (33%) feet had recurrence of the foot deformity requiring additional surgery. Time to recurrence averaged 5.7 years (9 months-13 years). Complications from the surgery included four minor wound healing problems, two delayed unions, and one screw recession, all of which healed without consequences. There was no evidence of nonunion, growth plate closure, infection, or fracture above or through screw holes.
Conclusion: The multiplanar supramalleolar osteotomy appears to be a reasonable salvage procedure for severely scarred and complex rigid foot deformities and can be reinstituted for failures due to remaining growth.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2656844 | PMC |
| http://dx.doi.org/10.1007/s11832-008-0157-2 | DOI Listing |
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