Talonavicular-cuneiform arthrodesis for the treatment of Müller-Weiss:mid-term follow-up of 20 cases after 5 years
Objective To investigate the clinical effect of talonavicular-cuneiform(TNC)arthrodesis in the treatment of Müller-Weiss disease(MWD)for at least 5 years mid-term follow-up.Methods A total of 20 patients undergoing TNC arthrodesis for MWD were retrospectively reviewed between January 2015 and August 2018.The radiographic parameters(preoperative,three months after the operation,and final follow-up),clinical results(preoperative,two years after the operation,and final follow-up)and complications were evaluated and analyze.Results The mean follow up period was 72.05±8.86 months(range 60 to 93).There were significant differences in the calcaneal pitch angle(CPA),Tomeno-Meary's angle(TMA),anteroposterior(AP)Meary's angle and talonavicular coverage angle(TCA)before operation and three months after operation(P＜0.05).There was no significant difference in the radiographic results between three months after the operation and the final follow-up(P＞0.05).The scores of AOFAS and VAS at the final follow-up were significantly improved compared with those before and two years after the operation(P＜0.05).Three patients had early complications,five had late complications,and one patient was treated with a second operation(calcaneal osteotomy).Conclusions The treatment of MWD with talonavicular-cuneiform arthrodesis combined with iliac bone autograft is effective and can be maintained until mid-term follow-up.
Muller-Weiss diseaseTalonavicular-cuneiform arthrodesisIliac bone graftMid-term results
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