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Treatment of acromioclavicular joint dislocation with double Endobutton internal fixation assisted by orthopaedic robot / 中华骨科杂志
Chinese Journal of Orthopaedics ; (12): 1423-1432, 2022.
Article in Chinese | WPRIM | ID: wpr-957137
ABSTRACT

Objective:

To investigate the early clinical effects of orthopedic surgery robot-assisted double Endobutton titanium plate internal fixation in the treatment of fresh acromioclavicular joint dislocation.

Methods:

Thirty-nine patients with fresh acromioclavicular joint dislocation were included from January 2020 to January 2022. A total of 19 patients were treated with double Endobutton suspension internal fixation assisted by the domestic third-generation orthopaedic surgical robot (TiRobot ? 2.0) Dimensity system. There were Rockwood type III in 11 cases, type IV in 8 cases. Twenty cases were treated with conventional incision double Endobutton internal fixation, with Rockwood type III in 13 cases, type V in 7 cases. The operation duration, blood loss volume, incision length and hospitalization time were compared between the two groups. The following CT parameters of acromioclavicular joint at 2 days and 1 year after operation, distance between distal inferior cortex of clavicle and subacromial cortex, distance between upper and lower endobuttons, horizontal distance between anterior edge of distal clavicle and anterior edge of acromion and diameter of coracoid process and diameter of clavicular tunnel were measured. The visual analogue score (VAS), Constant-Murley shoulder function score and shoulder abduction activity were also evaluated before and at 12 months after operation.

Results:

The follow-up duration was 10.8±2.4 months in the robot group and 11.5±3.1 months in the routine group. The VAS score of the robot group decreased from 5.3±2.1 to 0.3±0.2 at 12 months after operation ( t=10.46, P=0.014). The Constant-Murley score increased from 55.6±6.4 to 92.0±4.2. The range of shoulder abduction increased from 42.2°±5.4° to 172.6°±6.1° ( t=17.24, P<0.001). The operation duation of the robot group was 74.4±6.6 min, which was longer than that of the conventional group 61.7±7.2 min ( t=5.43, P=0.037). There was no significant difference in VAS score, Constant-Murley score, shoulder abduction activity or CT measurement between the two groups ( P>0.05). During the follow-up, two cases in the robot group had cortical osteolysis on the supraclavicular surface, one case in the conventional group had loss of reduction, one case in the supraclavicular cortical osteolysis, and 4 cases in the cortical defect on the side of the coracoid process tunnel.

Conclusion:

Orthopedic robot-assisted and conventional incision with double Endobutton titanium plate internal fixation in treating fresh acromioclavicular joint dislocation can achieve satisfied early clinical effects. Accurate establishment of clavicle and coracoid bone tunnel assisted by robot can overcome the defects of bone tunnel deviation in conventional incision operation and can prevent reduction and bone loss. However, robot-assisted and conventional incision Endobutton internal fixation could enlarge bone tunnel.

Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Orthopaedics Year: 2022 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Orthopaedics Year: 2022 Type: Article