Performance and Return to Sport Following Open Reduction Internal Fixation About the Elbow in Professional Baseball Players

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Objectives: The results of open reduction and internal fixation (ORIF) of stress reactions and fractures of the olecranon in professional baseball players with regards to return to sport (RTS) are unknown. The purpose was to determine the RTS rate and performance in professional baseball players following ORIF of acute, displaced olecranon fractures and olecranon stress fractures, and to compare RTS rate and performance to matched controls. The authors hypothesized that there is a high rate of RTS in professional baseball players following ORIF of acute, displaced olecranon fractures and olecranon stress fractures with no significant difference in rate of RTS or performance, specifically related to the primary outcome performance variables of win-loss percentage (W-L%), WHIP ((walks +hits)/innings pitched), fielding independent pitching (FIP), and wins above replacement (WAR)) between cases and controls between cases and controls. Methods: All professional baseball players who underwent ORIF of the olecranon between 2010-2016 were included. Demographic and performance data (pre and post surgery) for each player was recorded. Performance metrics were then compared between cases and a group of matched controls. Results: Overall, 52 professional baseball players (average age 22.6 +/- 3.6 years) underwent ORIF of an olecranon fracture. The majority of players sustained a primary olecranon stress fracture (73%), that was fixed with one screw (60%), with a RTS rate of 67.5%. No difference in RTS rate existed between matched controls and the players. No significant difference existed between the primary preoperative and postoperative performance (change in performance) metrics for pitchers who underwent ORIF of an acute, displaced olecranon fracture or ORIF of a primary olecranon stress fracture. No significant difference existed between pitchers who underwent ORIF of a primary olecranon stress fracture and matched controls in any of the primary performance metrics. Conclusion: Professional baseball players who undergo ORIF of an olecranon fracture (either acute, displaced or stress fracture) have a RTS rate of 67.5%, which is no different than natural attrition from matched controls. No decline in performance metrics is seen in players who are able to RTS when compared to their preoperative performance, or to the performance of matched controls.