Abstract
A Prospective Randomized Investigation Comparing Functional Outcomes of Syndesmotic Suture-Button Fixation to Screws
Highlights
The syndesmosis is a ligamentous articulation between the distal tibia and fibula; it is comprised of the anterior inferior tibiofibular ligament, interosseous ligament, and posterior inferior tibiofibular ligament
The one-year clinical outcomes of this investigation suggest that either method is effective in treating acute syndesmosis injuries as both techniques lead to a statistically significant improvement in Foot and Function Index (FFI) and AOFAS scores
We did not find a statistical difference in the number of adverse events, patients with SB fixation had a clinically lower complication rate (6% vs 32%)
Summary
The syndesmosis is a ligamentous articulation between the distal tibia and fibula; it is comprised of the anterior inferior tibiofibular ligament, interosseous ligament, and posterior inferior tibiofibular ligament. 1 to 18% of ankle sprains involve the syndesmotic ligaments[1]. The mechanism may involve either a pronation-external rotation or an excessive external rotation injury. Compared to the more commonly sprained lateral ankle ligaments, syndesmotic injuries require a greater recovery time[2,3]. Failure to properly treat syndesmosis instability can cause lateral displacement of the talus with a 40% decrease in tibiotalar surface contact area.[4] Operative syndesmotic fixation can stabilize the ankle and prevent degenerative changes to the ankle[5,6]
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