Pre and Postoperative Analysis of Flatfoot Reconstruction Sparing the Talonavicular Joint.

Surgical correction of a flatfoot deformity is controversial. The purpose of our study was to evaluate the structural radiographic changes of the flatfoot deformity while maintaining the mobile adapter of the foot. We conducted a retrospective analysis of 56 patients that underwent this procedure comparing their pre- to postoperative angular changes during a follow-up period. The mean age of our study cohort was 53.6 (range, 20-77) years and mean follow-up period was 23 (range, 4-73) months. Radiographic union was achieved in 48 patients (86%). Forty-six patients (82%) had all required radiographs completed through final follow-up visit. We illustrated statistically significant changes to the talonavicular, Meary, talocalcaneal, calcaneal inclination, and talar declination angles, and navicular height at 3 months and final follow-up. This study suggests surgical correction of the flatfoot deformity that fused the subtalar but spared the talonavicular joint appears to achieve and maintain radiographic angular changes and achieve union.

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