JOURNAL ARTICLE
RANDOMIZED CONTROLLED TRIAL

[EFFECTIVENESS OF CLAVICULAR HOOK PLATE COMBINED WITH TRAPEZIUS MUSCLE FASCIA FOR RECONSTRUCTION OF ACROMIOCLAVICULAR AND CORACOCLAVICULAR LIGAMENTS TO TREAT COMPLETE ACROMIOCLAVICULAR JOINT DISLOCATION]

Chaoliang Wang, Yingzhen Wang, Tao Zhu, Xuesheng Sun, Chu Lin, Bo Gao, Xinxia Li
Chinese Journal of Reparative and Reconstructive Surgery 2015, 29 (2): 149-53
26455139

OBJECTIVE: To explore the effectiveness of the clavicular hook plate combined with trapezius muscle fascia for reconstruction of acromioclavicular and coracoclavicular ligaments to treat acute complete acromioclavicular dislocations.

METHODS: Between January 2008 and April 2012, 66 patients with acromioclavicular dislocation were treated with the clavicular hook plate combined with trapezius muscle fascia for reconstruction of acromioclavicular and coracoclavicular ligaments in 32 cases (experimental group) and with the clavicular hook plate in 34 cases (control group). There was no significant difference in gender, age, injured side, the cause of injury, and the time from injury to operation between 2 groups (P > 0.05). Visual analogue scale (VAS), Constant shoulder scores, and coracoid clavi-cledistance (CC. Dist) were measured at preoperation and at 2 years after operation. Signal/noise quotiem (SNQ) was measured by MRI at 2 years after operation. The operation complications were observed.

RESULTS: The patients of 2 groups obtained primary healing of incision. The morbidity of complication in experimental group (12.5%, 4/32) was significantly lower than that in control group (91.2%, 31/34) (Χ2 = 40.96, P = 0.00). All the cases were followed up 2.8 years on average (range, 2 to 4 years). VAS scores and CC.Dist significantly decreased at 2 years after operation when compared with preoperative values in the 2 groups (P < 0.05). VAS scores and CC.Dist of the experimental group were significantly lower than those in the control group (P < 0.05). According to Constant shoulder scores at 2 years after operation, the results were excellent in 19 cases, good in 11 cases, and general in 2 cases with an excellent and good rate of 93.75% in the experimental group; the results were excellent in 7 cases, good in 8 cases, general in 16 cases, and poor in 3 cases with an excellent and good rate of 44.11% in the control group; and significant difference was shown between 2 groups (t = 2.30, P = 0.03). SNQ was significantly lower in experimental group than in control group at 2 years after operation (t = 55.03, P = 0.00), indicating that ligament healing was better in experimental group than control group.

CONCLUSION: Compared with simple clavicular hook plate fixation, the clavicular hook plate combined with trapezius muscle fascia for reconstruction of acromioclavicular and coracoclavicular ligaments is successful in treating acute complete acromioclavicular dislocations, with the advantages of higher ligament healing, less complication, and early improvement of shoulder functions.

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