Injuries of the ankle ligaments complexes are very common, and ∼ 20 to 40% of patients can develop chronic ankle instability (CAI). Current concepts in CAI allow a better understanding of the ankle biomechanics needed to repair it. The surgical treatment of CAI has evolved in the last decade, and ankle arthroscopy has become an essential tool in the treatment of instability with promising results. We review the different surgical techniques to treat CAI, both those frequently used and the new approaches, as well as the normal postsurgical appearance of ankle ligaments repair and the most common complications.
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