POSTER ABSTRACTS - ISAKOS

(range 2-7 years) are reported on 72 patients
available for follow-up evaluation.
The study population consisted of 57 males
and 15 females at an average age of 27 years
(range 15-64). Thirty-seven of the patients were 22
years of age or younger. The average duration of
preoperative symptoms was 55 months (range1-
300 months). All patients had an initial traumatic
event and recurrent instability. Forty-seven
patients had preoperative dislocations (average
2.3 dislocations) and 47 patients had recurrent
subluxations (average 6.1 episodes). Metallic
Knotless suture anchors were used in 45 patients;
BioKnotless suture anchors were used in 27
patients. Forty patients in this study were athletes
involved in contact or collision sports.
The average postoperative loss of external
rotation, at 90 degrees of abduction, was one
degree. Five patients (6.9%) experienced a postrepair
dislocation. Redislocation rate was 8.8% in
the Metallic Knotless anchor group (4 of 45
patients) and 3.7% in the BioKnotless anchor
group (1 of 27 patients). All patients who
experienced a post-repair dislocation were 22
years old or younger. Redislocation rate in this
age group was 13.5% (5 of 37 patients). There
were no redislocation episodes in patients over 22
years of age. Two of the post-repair dislocations
were in patients involved in contact or collision
sports (7.5% redislocation rate).
Revision arthroscopic repair using Knotless
suture anchors was performed on 4 of the 5
patients who experienced redislocation. Three
remained stable at last follow-up of a minimum of
2 years.
E-poster #871
Arthroscopic Bankart Repair Using Anchor
Suturing and Thermal Capsulorrhaphy for
Traumatic Anterior Instability of the Shoulder
Shigeru Sasaki, Kashiwazaki, JAPAN, Presenter
Akihiro Kotani, Mitaka, Tokyo, JAPAN
Masahiko Kemmochi, Setagaya-ku, Tokyo, JAPAN
Yoshiaki Ishii, Mitaka, Tokyo, JAPAN
Kazuhiko Satomi, Mitaka, Tokyo, JAPAN
Dept. of Orthop. Surg., Kashiwazaki Chuo
Hospital, Kashiwazaki, JAPAN
average age of 27.6 years (range: 16-53) at the
time of operation. Each subjects Bankart lesion
was identified and mildly decorticated;
capsulolabral tissue was mobilized by using an
abrader burr and meniscal rasp, then 3 or 4
absorbable PLLA suture anchors were implanted.
The capsule was sutured to the anterior margin of
the glenoid with the anterior inferior
glenohumeral ligament complex to provide
restraint. Then, thermal capsular shrinkage was
performed mainly on the unstable anterior and
anteroinferior aspects of the capsule, at 20 W and
at an average temperature of 67.3, using the Mitek
bipolar VEPR system. Postoperatively,
immobilized with a sling with a pillow spacer for 3
weeks. A physical therapist began mild assistedpassive
movements of abduction at 10 days after
the operation; then, activities were increased
toward full sporting participation at 6 months.
The clinical treatment results were assessed
based on Rowe score, recurrence of
dislocation/subluxation, and average range of
motion (ROM) limitations of passive external
rotation at 0 and 90 degree of abduction.
Preoperatively, none of the patients had an overall
rating of good or excellent according to the
system of Rowe et al.; however, our results
indicated that 94.4% (17 of 18 patients) had a
rating of good or excellent at the time of the final
follow-up, except for one patient who had
recurrent subluxation after the surgery. The
average ROM limitations of passive external
rotation at 0 and 90 degree of abduction
measured 6.6 and 5.8 degrees. Mologne et al.
reported that 75% of unsuccessful arthroscopic
Bankart repair operations were associated with
capsular laxity. Gartsman et al. reported that the
combination of suture anchor and thermal
capsulorrhaphy (with a Holmium laser) was
effective in cases with traumatic anterior
instability of the shoulder. Our results also
indicated that the instability was reduced by
eliminating the laxity of the anterior aspect of the
capsule through arthroscopic Bankart repair with
thermal capsular shrinkage.
This study describes the clinical results of
arthroscopic Bankart repair using anchor suturing
and thermal capsular shrinkage for traumatic
anterior instability of the shoulder in 18 patients
with an average follow-up of 22.9 months. The
subjects were 12 males and 6 females, with an