We prospectively and randomly compared the out comes of the Chrisman-Snook and modified-Broström procedures for chronic lateral ankle instability in 40 patients. Both operations provided good or excellent stability in more than 80% of the patients. However, the modified-Broström procedure resulted in higher Sefton scores than the Chrisman-Snook procedure. In addi tion, a statistically significant greater proportion of complications occurred in patients treated with the Chrisman-Snook procedure.
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