Union Outcomes in Medial and Central Column Tarsometatarsal Fusions: Single vs Multiple Joints

Although the radiographic nonunion rate (18.2%) exceeded prior reports, symptomatic nonunion was rare (4.6%). Multiple-TMT-joint surgeries required more time to confirm radiographic union than single joint surgeries. Among the modifiable factors, implant and graft choice were associated with differences in union rates.