Long Term Outcomes of Arthroscopic Shoulder Instability Surgery



D. Karataglis*, 1, F. Agathangelidis2
1 Blue Cross Clinic, Thessaloniki, Greece
2 First Orthopaedic Department, Aristotle University of Thessaloniki, Greece


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© 2017 Karataglis and Agathangelidis

open-access license: This is an open access article distributed under the terms of the Creative Commons Attribution 4.0 International Public License (CC-BY 4.0), a copy of which is available at: https://creativecommons.org/licenses/by/4.0/legalcode. This license permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

* Address correspondence to this author at the Blue Cross Clinic, Thessaloniki, Greece; Tel: +306977663421; E-mail: dkarataglis@yahoo.gr


Abstract

Background:

Anterior shoulder instability has been successfully managed arthroscopically over the past two decades with refined “anatomic” reconstruction procedures involving the use of anchors for the repositioning and re-tensioning of the antero-inferior capsuloligamentous complex, in an effort to recreate its “bumper effect”.

Methods:

Research and online content related to arthroscopic treatment of shoulder instability was reviewed and their results compared.

Results:

The short- and mid-term results of this technique have been very satisfactory. The greatest number of recent reports suggests that long-term results (>5 years follow-up) remain rather satisfactory, especially in the absence of significant glenoid bone loss (>20-25%). In these studies recurrent instability, in the form of either dislocation or subluxation, ranges from 5.1 to over 20%, clinical scores, more than 5 years after the index procedure, remain good or excellent in >80% of patient population as do patient satisfaction and return to previous level of activities.

As regards arthroscopic non-anatomic bony procedures (Latarjet or Bristow procedures) performed in revision cases or in the presence of >20-25% bone loss of the anteroinferior aspect of the glenoid, recent reports suggest that their long-term results are very satisfactory both in terms of re-dislocation rates and patient satisfaction.

Conclusion:

It appears that even “lege artis” performance of arthroscopic reconstruction decelerates but does not obliterate the degenerative procedure of dislocation arthropathy. The presence and grade of arthritic changes correlate with the number of dislocations sustained prior to the arthroscopic intervention, the number of anchors used and the age at initial dislocation and surgery. However, the clinical significance of radiologically evident dislocation arthropathy is debatable.

Keywords: Bankart lesion, Bristow procedure, Latarjet procedure, Long-term outcomes, Shoulder arthroscopy, Shoulder instability.