Chinese Journal of Tissue Engineering Research ›› 2021, Vol. 25 ›› Issue (6): 895-900.doi: 10.3969/j.issn.2095-4344.2394

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Arthroscopic treatment of greater tuberosity avulsion fractures with anterior shoulder dislocation using the double-row suture anchor technique

Zhang Lei1, Ma Li2, Fu Shijie1, Zhou Xin1, Yu Lin1, Guo Xiaoguang1   

  1. 1Department of Orthopedics and Traumatology of Affiliated Hospital of Traditional Chinese Medicine of Southwest Medical University,Luzhou Academician Workstation,Guangdong Medical 3D Printing Application and Transformation Engineering Technology Research Center,Clinical Base of Affiliated Hospital of Traditional Chinese Medicine of Southwest Medical University,Sichuan Province,China;2Jiang’an County Hospital of Traditional Chinese Medicine,Sichuan Province,China

  • Received:2020-03-02 Revised:2020-03-06 Accepted:2020-05-09 Online:2021-02-28 Published:2020-12-04
  • Contact: Guo Xiaoguang, Master, Physician, Department of Orthopedics and Traumatology of Affiliated Hospital of Traditional Chinese Medicine of Southwest Medical University, Research Center of Bone Injury Disease of Affiliated Hospital of Traditional Chinese Medicine of Southwest Medical University, Luzhou Academician Workstation, Guangdong Medical 3D Printing Application and Transformation Engineering Technology Research Center, Clinical Base of Affiliated Hospital of Traditional Chinese Medicine of Southwest Medical University, Luzhou 646000, Sichuan Province, China
  • About author:Zhang Lei, MD, Department of Orthopedics and Traumatology of Affiliated Hospital of Traditional Chinese Medicine of Southwest Medical University, Research Center of Bone Injury Disease of Affiliated Hospital of Traditional Chinese Medicine of Southwest Medical University, Luzhou Academician Workstation, Guangdong Medical 3D Printing Application and Transformation Engineering Technology Research Center, Clinical Base of Affiliated Hospital of Traditional Chinese Medicine of Southwest Medical University, Luzhou 646000, Sichuan Province, China
  • Supported by:
    the Zhongshizhen Academician Talent Team Subproject of Luzhou Municipal People’s Government-Southwest Medical University, No. 2018zszysrctdxm1; the Southwest Medical University-Luzhou Traditional Chinese Medicine Hospital Base Project, No. 2018-LH003

Abstract: BACKGROUND: In clinic, there are various fixation methods for greater tuberosity avulsion fractures of the humerus. If the fixation of the greater tubercle is unsatisfactory, it will lead to the absorption of the greater tubercle as the mechanical core of the shoulder joint, resulting in serious shoulder joint dysfunction. 
OBJECTIVE: To explore the curative effect of the treatment of anterior dislocation of shoulder joint with greater tuberosity avulsion fractures of the humerus by double-row suture anchors under shoulder arthroscope.
METHODS: A retrospective study was conducted in 20 patients with anterior dislocation of the shoulder and avulsion fracture of the greater tuberosity of the humerus in Affiliated Hospital of Traditional Chinese Medicine of Southwest Medical University who underwent arthroscopic double-row suture anchors from January 2016 to October 2018. After operation, systematic shoulder joint function exercise was performed, and joint function evaluation and pain score were regularly followed up. The functional recovery was compared before and after operation. 
RESULTS AND CONCLUSION: (1) The incisions of all patients healed in stage I, without complications such as infection, loosening of anchor pin, or nerve injury. After one-year follow-up, there was no significant subacromial impact in all patients. (2) At 1, 3, 6 and 12 months postoperatively, the Constant-Murley score and the University of California at Los Angeles shoulder rating scale score were significantly different (P < 0.05); and the score of each time point was better than that of the previous time point (P < 0.05). (3) At 1 month after surgery, the resting and activity visual analogue scale scores were significantly lower than before surgery (P < 0.05); the displacement distance of greater tuberosity fracture was significantly less than that before operation (P < 0.05). (4) One year after operation, the range of motion of shoulder joint such as flexion, abduction, external rotation and adduction recovered well. (5) It is indicated that arthroscopic double-row suture anchors can effectively restore the displacement of the greater tuberosity fractures, and achieve a good fixation of the rotator cuff tendon injury, promote healing, and relieve patients’ pain, which is conductive to early shoulder functional exercise.

Key words: joint, shoulder joint, dislocation, humerus, fracture, arthroscopy, double-row anchor, minimally invasive, internal fixation

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