Title Page

Contents

Abstract 8

제1장 Introduction 10

1. Background 10

제2장 Materials and methods 12

1) Study design 12

2) Research Ethics 12

3) Surgical Technique 13

4) Rehabilitation 16

5) Outcome Measurements 16

6) Statistical Analysis 16

제3장 Results 18

1) Demographic data 18

2) Clinical outcomes 18

3) Anatomical outcomes 19

4) Complications 20

제4장 Discussion 21

제5장 Conclusion 23

제6장 References 24

Abstract 27

Table 1. General characteristics 18

Table 2. Comparison of shoulder clinical scores between two groups 19

Table 3. Comparison of retear rates between two groups 20

Figure 1. The ArthroTunneler (Tornier, Edina, MN, USA) was used to create the medial and lateral tunnels, with an intersection angle of approximately 70° between them. 14

Figure 2. Healix Advanced™ Knotless (HAK) anchors (DupeySynthes, Raynham, MA, USA) were employed for cortical bone augmentation at lateral tunnel entrances prone to cortical... 14

Figure 3. Suture strands pre-passed through the knotless anchors in the lateral holes were then inserted, followed by the knot-tying process. 15

Figure 4. Allograft patch augmentation was done using ArthroFLEX (Arthrex, Naples, FL, USA) and the SpeedBridge Technique. 15