Archives of Orthopaedic and Trauma Surgery

, Volume 139, Issue 8, pp 1101–1109 | Cite as

Primary versus revision arthroscopically-assisted acromio- and coracoclavicular stabilization of chronic AC-joint instability

  • Natascha Kraus
  • Carmen Hann
  • Marvin Minkus
  • Nina Maziak
  • Markus ScheibelEmail author
Arthroscopy and Sports Medicine



A gracilis tendon autograft with TightRope-augmentation can be used for arthroscopically-assisted acromioclavicular (AC)- and coracoclavicular (CC-)stabilization of chronic bidirectional AC-joint instability after failed primary treatment. The impact of failed initial treatment on postoperative outcome is unclear. Hence, the purpose of this study was to evaluate it.


Twenty-seven of 38 patients suffering from chronic AC-joint instability after either failed conservative (group 1) or surgical treatment (group 2) treated in the above-mentioned technique were finally included in this study. The Subjective Shoulder Value, the Constant Score, the Taft Score and the Acromioclavicular Joint Instability Score were used for clinical evaluation. Bilateral anteroposterior stress radiographs and bilateral Alexander views were obtained for radiological evaluation.


14 patients of group 1 [3f/11m; median age 47.6 (range 20.9–57.4) years] could be evaluated after a median follow-up of 24.3 (range 20–31.2) months and 13 patients of group 2 [6f/7m; median age 44.9 (range 24.9–61.0) years] were available after a median follow-up of 28.8 (range 20–33) months. Comparison of clinical score results revealed no significant differences between both groups. The median CC-difference showed no significant difference between the groups [group 1 0.8 (0–10.5) mm, group 2 0.9 (0–4.3) mm].


AC- and CC-stabilization of chronic bidirectional AC-joint instability using a gracilis tendon autograft with TightRope-augmentation can be recommended after failed conservative and surgical treatment.

Study design

Retrospective cohort study; Level of evidence III.


Chronic acromioclavicular joint instability TightRope Gracilis tendon autograft Prior treatment 


Compliance with ethical standards

Conflict of interest

The authors would like to state that no outside funding or grants were received that assisted in this study. Natascha Kraus, Carmen Hann, Nina Maziak and Marvin Minkus, their immediate family, 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. Markus Scheibel received consultant payments from Arthrex Company related to this work.

Ethical statement

This study was approved by the local ethical committee (EA4/044/17).


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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2019

Authors and Affiliations

  1. 1.Department of Shoulder and Elbow Surgery, Center for Musculoskeletal SurgeryCharité-Universitaetsmedizin BerlinBerlinGermany
  2. 2.Department of Shoulder and Elbow SurgerySchulthess ClinicZurichSwitzerland

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