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Controversy exists with regards to the etiology and treatment of lateral epicondylitis and the role of the lateral capsule in this pathology. The aim of this study was to compare arthroscopic lateral capsule resection with or without extensor carpi radialis brevis (ECRB) tendon debridement for treatment of lateral epicondylitis. This is a retrospective study of 38 patients who underwent arthroscopic surgery for LE with two different techniques: Eighteen patients were treated with arthroscopic lateral capsular resection (LCR) + ECRB debridement and 20 patients were treated with arthroscopic LCR alone, without ECRB debridement. Both groups were assessed with Quick Disabilities of the Arm, Shoulder and Hand (QDASH) score for function and Visual Analog Scale (VAS) score for pain. Quick DASH scores were 12 $$\pm $$ 5 and 13 $$\pm $$ 4 at Groups 1 and 2, respectively, without any statistically significant difference. VAS pain scores were 15 $$\pm $$ 2 for both groups. VAS function scores were 85 $$\pm $$ 22 and 86 $$\pm $$ 18 at Groups 1 and 2 respectively. Sick leave periods in terms of weeks were 7 $$\pm $$ 5 and 7 $$\pm $$ 4 at Groups 1 and 2, respectively. There was no statistically significant difference in outcome of the two groups compared in terms of VAS pain, function scores, failure (re-operation) rates and sick leave period at the end of final follow-up. Both arthroscopic LCR alone and Arthroscopic LCR with ECRB debridement for the management of refractory LE provide significant improvement in pain and function. Isolated Arthroscopic LCR could be a sufficient surgical treatment for refractory LE. Thus, ECRB debridement or release may not be necessary in every case. IV.

The aim of the study was to compare the intermediate-term clinical outcomes between lateral ligaments augmentation using suture-tape and modified Brostrom repair in a selected cohort of patients. The hypothesis of the presented study is that suture-tape augmentation technique has comparable clinical and radiological outcomes with arthroscopic Brostrom repair technique. Sixty-one consecutive patients with chronic ankle instability were operated between 2012 and 2016 randomized to 2 groups. First group was composed of 31 patients whom were operated using an arthroscopic Brostrom repair technique (ABR) and second group was composed of 30 Patients whom were operated using arthroscopic lateral ligaments augmentation using suture-tape internal bracing (AST). At the end of total follow-up time, all patients were evaluated clinically using the Foot and Ankle Outcome Score (FAOS) and Foot and Ankle Ability Measure (FAAM). Radiological evaluation was performed using anterior drawer and varus stress radiographs with standard Telos device in 150 N. Talar tilt angles and anterior talar translation were measured both preoperatively, 1 year postoperatively and at the final follow-up. Preoperative total FAOS scores for ABR and AST groups were 66.2 ± 12 and 67.1 ± 11, respectively. Postoperative Total FAOS scores for ABR and AST groups were 90.6 ± 5.2 and 91.5 ± 7.7, respectively. There was no statistical difference in between 2 groups both pre- and postoperatively (n.s). According to FAAM, sports activity scores of ABR and AST groups were 84.9 ± 14 and 90.4 ± 12 at the final follow-up, which showed that AST group was significantly superior (p = 0.02). There were no significant differences in preoperative and postoperative stress radiographs between the two groups. Mean operation time for AST and ABR groups were 35.2 min and 48.6 min, respectively, which shows statistically significantly difference (p