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Arthroscopic findings in the recurrent anterior instability of the shoulder

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European Journal of Orthopaedic Surgery & Traumatology Aims and scope Submit manuscript

Abstract

Background

A recurrent anterior shoulder dislocation consists of a variety of lesion types.

Objectives

To evaluate the pathological classification of recurrent anterior dislocation of the shoulder joint under arthroscopy.

Methods

Thirty-one patients with recurrent anterior shoulder dislocation were inspected by arthroscopy, including 23 males and 8 females, with a mean age of 35.1 (18–46) years. The patients were divided into two groups: 17 with shoulder dislocation and hyper-laxity (the hyper-laxity group) and 14 with only traumatic shoulder dislocation (the trauma group). All the patients were assessed by arthroscopy for pathological changes, and the differences in the pathological changes were compared between the two groups.

Results

All these 31 patients suffered from anteroinferior labrum injury. Twenty-five had Hill–Sachs injury; 27, bone or cartilage injury of anteroinferior glenoid; 16, SLAP injury; and 5, rotator cuff injury. Bankart injury occurred more in the trauma group, and anterior labroligamentous periosteal sleeve avulsion injury and glenolabral articular disruption injury were more in the hyper-laxity group. Bone or cartilage injury of anteroinferior glenoid was more noticed in the trauma group.

Conclusions

Significant differences are found under arthroscopy in the pathological changes of recurrent anterior shoulder dislocation between the purely traumatic group and the hyper-laxity group. The pathological changes in the trauma group were more severe than in the hyper-laxity group.

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Acknowledgments

This study received financial support from the Emerging Scientist Project of Shenzhen Second People’s Hospital and the Guangdong Province Medical Research Fund (the project number is B2012320) and Guangdong Province outstanding youth innovative talent training program (seedling project, the project number is 2012LYM_0120)

Conflict of interest

The authors report no conflict of interest. The authors alone are responsible for the content and writing of the paper.

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Correspondence to Daping Wang or Yanjun Zeng.

Additional information

This paper has been completed in Shenzhen Second People’s Hospital. The research group strictly carried out the requirements of National Ministry of Science and Technology; Ministry of Public Health documented what is about strategies to identify and mitigate risks for human clinical trials to minimize the risks of the execution process in accordance with humanitarian principles of the implementation of the study; with human ethics and animal ethics requirements; and obligations and responsibilities are undertaken by the research group.

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Zhu, W., Lu, W., Zhang, L. et al. Arthroscopic findings in the recurrent anterior instability of the shoulder. Eur J Orthop Surg Traumatol 24, 699–705 (2014). https://doi.org/10.1007/s00590-013-1259-1

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  • DOI: https://doi.org/10.1007/s00590-013-1259-1

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