A long-term study of triple arthrodesis for correction of pes cavovarus in Charcot-Marie-Tooth disease.

Twenty-two patients with severe pes cavovarus secondary to Charcot-Marie-Tooth disease who underwent triple arthrodesis were retrospectively reviewed with an average follow-up period of 12 years, 4 months. Although only 32% of the patients had good objective results, 88% had good or excellent function and 86% were satisfied with their result. Radiographic follow-up averaged 10 years, 4 months. Talonavicular pseudarthroses were present in 15% of the feet and were symptomatic in all but one foot. Twenty-four percent of the ankles and 62% of the feet demonstrated radiographic evidence of degenerative joint disease.