Pectoralis major tendon tears: functional outcomes and return to sport in a consecutive series of 40 athletes

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Background

There are limited data on the outcomes of surgically repaired pectoralis major tendon (PMT) tears. The purpose of this study was to report the functional outcomes, return to sport, and second surgery rates in a consecutive series of PMT tears.

Methods

Forty patients with acutely repaired PMT tears were retrospectively identified. Follow-up was conducted with functional outcome scores and adduction strength testing at final follow-up. Return to sport and incidence of subsequent surgery were also recorded.

Results

The average age of the patients was 34.4 years (range, 23-59 years). Average follow-up was 2.5 years (range, 2-7.0 years). Twenty-three injuries (58%) occurred in the nondominant extremity. Bench press (n = 26) and contact sport participation (n = 14) were the most common mechanisms. Postoperative Single Assessment Numeric Evaluation scores averaged 93.6 (range, 62-100), with patient satisfaction of 9.6 of 10 (range, 6-10). All athletes returned to preinjury level of function approximately 5.5 months postoperatively (range, 4.5-6.5 months); 23.1% and 2.6% described mild or moderate difficulties with sport participation. Isokinetic strength evaluation revealed an average decrease of 9.9% (range, −18% to 41%). Application of the Bak criteria revealed 37% excellent, 26% good, and 37% fair outcomes, with most in the fair group reporting cosmetic concerns. Removing cosmesis, 46% scored excellent, 37% good, and only 17% fair. Three athletes required a second surgical procedure (7.5%).

Conclusions

Surgical repair of PMT tears resulted in high patient satisfaction, with excellent restoration of function and adduction strength, early return to sport, and few reoperations, albeit with the potential for mild cosmetic concerns.

Section snippets

Methods

We retrospectively reviewed prospectively collected data on all PMT tears between March 2008 and March 2016. Our inclusion criteria included young, active male patients with acutely treated (<8 weeks) PMT tears with a minimum of 2 years of follow-up. Exclusion criteria included chronic tears (n = 6), defined as those treated >8 weeks after the initial injury, and revision PMT repairs. We identified 40 patients who met inclusion criteria, and none of the available patients were lost to follow-up.

Results

All 40 patients who underwent PMT repair were male and included 4 professional athletes and 36 recreational athletes (Table II). The average age of the patients was 34.4 years (range, 23-59 years), with an average follow-up of 2.5 years postoperatively (range, 2-7.0 years). Twenty-three injuries occurred in the nondominant extremity (57.5%), whereas 17 (42.5%) occurred in the dominant extremity. Bench press (n = 26) and sport participation (n = 14) were the most common mechanisms of injury.

Discussion

Although historically rare, pectoralis major tendon injuries have occurred with increasing frequency in recent years. Several studies have demonstrated the superiority of surgical repair compared with nonoperative treatment1, 2, 7, 13, 15, 17; however, specific information on functional outcomes and adduction strength after PMT repair is limited. In this single-surgeon series, which represents the largest cohort of PMT repairs reported to date, surgical repair using unicortical buttons resulted

Conclusion

As demonstrated in this consecutive series, which represents the largest cohort of PMT repairs reported to date, surgical repair resulted in 96% patient satisfaction, with 83% good to excellent restoration of function and adduction strength, albeit with the potential for mild cosmetic concerns. The athletes returned to sport on average at 5.5 months postoperatively. Three patients required a second surgery for an incidence rate of 7.5%.

Disclaimer

The authors, their immediate families, and any research foundation with which they are affiliated have not received any financial payments or other benefits from any commercial entity related to the subject of this article.

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The Institutional Review Board of the Hospital for Special Surgery approved this study: No. 2013-025-AM1.

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