Abstract
Background: Isolated high-grade tears of the lateral collateral ligament (LCL) of the knee are rare, as most injuries are part of a broader pattern of damage to the posterolateral corner. Limited data exist in the literature about the ideal management of isolated LCL injuries, especially in elite-level athletes.
Hypothesis: Operative and nonoperative treatment of MRI-documented isolated grade III LCL injury can produce equal results in terms of return to play in the National Football League (NFL).
Study Design: Cohort study; Level of evidence, 3.
Methods: The NFL Injury Surveillance System was used to identify all players with lateral ligament injuries of the knee from 1994 to 2004. In addition, the medical staffs of all NFL clubs were surveyed about injuries during the same period. Nine players with MRI-documented isolated grade III LCL injuries were identified through this process. The medical staff for each respective player then completed a data questionnaire. Statistics were analyzed using 1-way analysis of variance.
Results: Four players underwent direct surgical repair of their injuries; they missed an average of 14.5 weeks of play and did not return within the same season. Five players were managed nonoperatively and missed an average of 2.0 weeks (P = .0001). Four of the 5 players in the nonoperative group returned within the same season at an average of 10 days; 1 missed the rest of the season. All 9 players were able to return to play the following season, and played for an average total of 2.8 (operative) and 4.4 (nonoperative) additional seasons (P = .253).
Conclusion: Nonoperative management of MRI-documented isolated grade III lateral collateral ligament injuries in NFL athletes results in more rapid return to play without subjecting the player to the risks of surgery, while achieving an equal likelihood of return to play at the professional level.
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