Purpose
The purpose of this study was to determine, in a military population without critical
bone loss, the rate of recurrent instability after revision arthroscopic stabilization
for failed primary arthroscopic Bankart repair.
Methods
Forty-one revision arthroscopic stabilizations were performed at a single military
institution between 2005 to 2016 for recurrent anterior shoulder instability after
primary arthroscopic Bankart repair. Minimum follow-up was 2 years, and shoulders
with glenoid bone loss >20% were excluded. The primary outcome of interest was the
incidence of failure, defined by recurrent instability.
Results
Age at revision surgery averaged 22.9 ± 4.3 years, and 88% were either service academy
cadets or active duty combat arms soldiers. Mean follow-up was 7.8 years. Twenty-three
patients (56%) returned to duty without recurrent instability after revision arthroscopic
stabilization. Eighteen patients (44%) experienced recurrent instability after return
to duty. Glenoid bone loss averaged 6.2% (95% confidence interval [CI], 3.2%-9.2%)
in the successful group and 5.7% (95% CI, 3.1%-8.3%) in the failure group (P = .808).
Conclusions
Revision arthroscopic stabilization of failed primary arthroscopic Bankart repair
has a failure rate of 44% in a young military population. The similar amounts of bone
loss between groups indicates that bone loss is not the primary determinant of failure
in revision arthroscopic stabilization.
Level of Evidence
IV, Case Series
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Article info
Publication history
Published online: October 06, 2022
Accepted:
August 29,
2022
Received:
June 17,
2021
Footnotes
See commentary on page 919
The authors report the following potential conflicts of interest or sources of funding: M.A.D. reports editorial board membership for Arthroscopy Journal. J.F.D. reports board membership for Society of Military Orthopaedic Surgeons, American Orthopaedic Society of Sports Medicine, American Academy of Orthopaedic Surgery, and Arthroscopy Association of North America. Full ICMJE author disclosure forms are available for this article online, as supplementary material.
Identification
Copyright
© 2022 Published by Elsevier on behalf of the Arthroscopy Association of North America
