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Related Experiment Video

Updated: Jan 13, 2026

Anterior Capsular Reconstruction with Human Dermal Allograft for Irreparable Subscapularis Tears
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Structural Failure After Acromioclavicular Joint Reconstruction: Factors Affecting Clinical Outcomes.

Benjamin Read Campbell1, Omar Sarhan1, Ryan Lopez1

  • 1Rothman Orthopaedic Institute at Thomas Jefferson University, Philadelphia, PA, USA.

The Archives of Bone and Joint Surgery
|January 9, 2026
PubMed
Summary
This summary is machine-generated.

Structural failures after acromioclavicular (AC) joint reconstruction, especially from reinjury, predict poorer outcomes and higher reoperation rates. Further research is needed to guide management of these AC joint issues.

Keywords:
AC jointAcromioclavicular injuryAcromioclavicular reconstructionCoracoclavicular reconstructionLoss of reductionRadiographic failureStructural failure

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Area of Science:

  • Orthopedic Surgery
  • Sports Medicine
  • Reconstructive Surgery

Background:

  • Acromioclavicular (AC) joint injuries present management challenges, with surgical reconstruction outcomes influenced by potential structural failures.
  • Loss of reduction post-AC reconstruction is common, but its impact on clinical results requires further investigation.

Purpose of the Study:

  • To assess clinical outcomes in patients experiencing structural failure after AC joint reconstruction.
  • To identify predictors of suboptimal results, including reoperation or poor functional scores, in this patient cohort.

Main Methods:

  • A cohort of 29 patients with ≥50% loss of AC joint reduction post-reconstruction (2013-2019) was reviewed.
  • Failures were classified by displacement and mechanism (reinjury vs. spontaneous). Suboptimal outcomes were defined by reoperation or ASES score <80.
  • Bivariate analyses examined risk factors for poor outcomes and compared management strategies.

Main Results:

  • Mean follow-up was 7.4 years; 41% had suboptimal outcomes (ASES <80 or reoperation).
  • Structural failure due to acute reinjury correlated with worse clinical outcomes (50% vs. 6%) and increased reoperation rates (67% vs. 13%).
  • Most patients (79%) were managed nonoperatively, while 21% required revision surgery.

Conclusions:

  • Structural failures of AC reconstruction following acute reinjury are associated with significantly worse clinical outcomes and a higher need for reoperation.
  • These findings suggest that the mechanism of failure influences patient prognosis after AC reconstruction.
  • Further studies are needed to elucidate additional factors affecting outcomes and to refine management protocols for AC joint reconstruction failures.