Original Research

Treatment of Grade III Acromioclavicular Separations in Professional Baseball Pitchers: A Survey of Major League Baseball Team Physicians

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TAKE-HOME POINTS

  • There was no difference in return to previous level of play between professional pitchers treated nonoperatively and operatively for grade III AC separation.
  • MLB team physicians prefer nonoperative management for acute grade III AC joint separation in professional pitchers.
  • The majority of MLB physicians do not use injections for nonoperative treatment of grade III AC separations; however, use of orthobiologics (eg, PRP) is becoming more commonplace.
  • Persistent functional limitations and pain are the most common surgical indications for treatment of grade III AC separation in high level throwing athletes.
  • If operative intervention is indicated for grade III AC separation, open coracoclavicular reconstruction and adjunct distal clavicle excision are preferred by most MLB team physicians.


 

References

ABSTRACT

Despite advancements in surgical technique and understanding of throwing mechanics, controversy persists regarding the treatment of grade III acromioclavicular (AC) joint separations, particularly in throwing athletes. Twenty-eight major league baseball (MLB) orthopedic team physicians were surveyed to determine their definitive management of a grade III AC separation in the dominant arm of a professional baseball pitcher and their experience treating AC joint separations in starting pitchers and position players. Return-to-play outcomes were also evaluated. Twenty (71.4%) team physicians recommended nonoperative intervention compared to 8 (28.6%) who would have operated acutely. Eighteen (64.3%) team physicians had treated at least 1 professional pitcher with a grade III AC separation; 51 (77.3%) pitchers had been treated nonoperatively compared to 15 (22.7%) operatively. No difference was observed in the proportion of pitchers who returned to the same level of play (P = .54), had full, unrestricted range of motion (P = .23), or had full pain relief (P = .19) between the operatively and nonoperatively treated MLB pitchers. The majority (53.6%) of physicians would not include an injection if the injury was treated nonoperatively. Open coracoclavicular reconstruction (65.2%) was preferred for operative cases; 66.7% of surgeons would also include distal clavicle excision as an adjunct procedure. About 90% of physicians would return pitchers to throwing >12 weeks after surgery compared to after 4 to 6 weeks in nonoperatively treated cases. In conclusion, MLB team physicians preferred nonoperative management for an acute grade III AC joint separation in professional pitchers. If operative intervention is required, ligament reconstruction with adjunct distal clavicle excision were the most commonly performed procedures.

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