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· DOS Abstracts
Medium to long term follow-up after primary
and revision arthroscopic Bankart repair with a
knotless anchor. Do the results last?
Kristine Andersen, Kamille Fogh, Henrik Eshøj, Klaus Bak
Sports Clininc, Aleris-Hamlet Parken, Copenhagen; Sports Clinic, Aleris-Hamlet Parken,
Copenhagen; Department of Sports Science and Clinical Biomechanics,, University of
Southern Denmark; Sport Clinic, Aleris-Hamlet Parken, Copenhagen
Background:
With increasing evolution of techniques, implant strength, suture quality,
and proper patient selection, the results of arthroscopic Bankart repair are more promis-
ing. In a previous study on the same cohort with a median follow-up of 20 months the
recurrence rate was 5.4 %. It is known from other studies that there is an increase in
failure rate with time.
Purpose / Aim of Study:
The aim of this study was to evaluate the results of primary
and revision arthroscopic Bankart repairs in an active population with minimum 3 years
follow-up.
Materials and Methods:
Sixty-five consecutive patients underwent arthroscopic
Bankart repair from 2008-2014. Of these 36 (55%) were available for a follow-up
evaluation at a median of 75 months (38-92) follow-up. There were 23 males and 13
females (median age 31 (14-58) years). Duration of symptoms was median 26 (1-144)
months. 29 were primary repairs while 7 were revision cases (median 3 previous proce-
dures (1-4)). There were 23 athletes and 13 non-athletes. A knotless anchor (Pushlock,
Arthrex) was used together with a FibreWire #2 (Arthrex). The median number of an-
chors used was 2 (1-3). One surgeon performed all operations. Follow-up evaluation
was performed by registration of recurrent instability besides use of the patient reported
outcomes Western Ontario Instability Score (WOSI) and Oxford Shoulder Score (OSS).
Findings / Results:
36 patients were available at a median of 75 months (38-92) fol-
low-up. There were 23 males and 13 females (median age 31 (14-58) years) of which
23 were athletic active. Duration of symptoms was median 26 (1-144) months. 29
patients had primary repairs while 7 were revision cases (median 3 previous procedures
(1-4)). Six patients (16.7 %) had an experience of recurrent instability. Four of these
(13.8 %) occurred in primary repairs and two in revision cases (28.6 %). One patient(2.8
%) had a poor result due to chondrolysis. Moreover, the follow-up scores of WOSI and
OSS was median 84 (28-99.8) % and 16 (12- 28), respectively.
Conclusions:
The rate of failure after arthroscopic Bankart repair with a knotless anchor
increases with time, but the results of primary arthroscopic Bankart repair is acceptable
at a median of 6.5 years follow-up in a relative active population. Though, as expected,
the risk of recurrence is greater in revision cases.
Conflict of Interest
Klaus Bak; Arthrex
185.