1 Modified Arthroscopic Latarjet Procedure: Suture-button Fixation will not 2 Cause Obvious Increasement of Superior Instability at 5-Year Follow-up 3 Daqiang Liang1, Haifeng Liu1,2,3,4,5, Xinzhi Liang1,2, Qihuang Qin1, Lujue Long6, 4 Yong Huang1,2, Wei Lu1,2,3,4,5*, Zhenhan Deng1,2,3,4,5* 5 1 Department of Sports Medicine, Key Laboratory of Tissue Engineering of Shenzhen, 6 Shenzhen Second People’s Hospital/ the First Affiliated Hospital of Shenzhen 7 University Health Science Center, Shenzhen 518035, Guangdong, China; 8 2 Clinical Medical College, Shenzhen University, Shenzhen 518000, Guangdong, 9 China; 10 3 Guangzhou Medical University, Guangzhou 510182, Guangdong, China; 11 4 Anhui Medical University, Hefei 230032, Anhui, China; 12 5 Guangxi University of Chinese Medicine, Nanning 530229, Guangxi, China; 13 6 Xiangya Stomatological Hospital & School of Stomatology, Central South 14 University, Changsha 410008, Hunan, China. 15 Daqiang Liang and Haifeng Liu contributed equally. 16 *Address correspondence to: Dr. Zhenhan Deng and Dr. Wei Lu, Department of 17 Sports Medicine, Shenzhen Second People’s Hospital/ 18 the First Affiliated Hospital of Shenzhen University Health Science Center, Shenzhen 19 410008, Guangdong, China. Tel: +86-13929440786 (ZHD) and +86-13922855513 20 (WL); Email:
[email protected] (ZHD) and
[email protected] 21 (WL) 22 Trial registration 23 Retrospectively registered. 1 24 Background: Whether coracoacromial ligament (CAL) release during Latarjet 25 procedure will increase superior instability of shoulder joint postoperatively remains 26 controversial. This study aims to observe changes in the acromiaohumeral distance 27 (AHD) of patients who underwent modified double-button Latarjet procedure and 28 provide evidence to address the issue.