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1.
Article in Chinese | WPRIM | ID: wpr-909994

ABSTRACT

Objective:To evaluate the efficacy of string-shuttling assisted Endobutton technique for acute acromioclavicular dislocation of Rockwood Type Ⅲ.Methods:From March 2018 to March 2019, 15 patients were treated at Department of Sports Medicine and Ankle & Foot, Central Hospital of Jiangmen for acute acromioclavicular dislocation of Rockwood Type Ⅲ. They were 10 men and 5 women, aged from 22 to 36 years (average, 30.6 years). The intervals from injury to surgery averaged 12.4 d (from 4 to 15 d). They were all treated by string-shuttling assisted Endobutton technique. Recorded were operation time, intraoperative blood loss, visual analogue scale (VAS) pain score and shoulder function at the final follow-up, and complications during follow-up.Results:This group was followed up for 8 to 12 months (9.8 months on average). Their operation time ranged from 85 to 115 min(101.1 min on average) and intraoperative blood loss from 50 to 100 mL (75.3 mL on average). Their VAS pain score decreased significantly from preoperative 7.0 (4.5, 8.0) to 0.0 (0.0, 1.0) at the final follow-up, and their Constant score increased significantly from preoperative 56.3±6.2 to 93.0±4.8 at the final follow-up (both P<0.05). No patient reported incision infection, peri-incision hypoesthesia, loss of reduction, breakage or loosening of implants, or fracture of the clavicle tunnel or the coracoid process. Conclusion:In the treatment of acute acromioclavicular dislocation of Rockwood Type Ⅲ, string-shuttling assisted Endobutton technique can effectively avoid such a complication as tunnel fracture, leading to fine functional recovery of the shoulder.

2.
Article in Chinese | WPRIM | ID: wpr-467039

ABSTRACT

Objective To compare recent curative effect between double Endobutton technique and clavicular hook plate (CHP) in patients with Tossy grade Ⅲ acromioclavicular separation.Methods One hundred and forty-nine patients with Tossy grade Ⅲ acromioclavicular dislocation were divided into control group (78 cases,treated with CHP) and observation group (71 cases,treated with double Endobutton technique) according to treatment method.The postoperative injured shoulder visual analogue score (VAS),abduction-rise activity and flexion-rise activity,Constant-Murley score and Karlsson grade were compared between 2 groups.Results All the patients successfully completed the operation,and the postoperative follow-up time was 9-40 (15.8 ± 5.2) months.The injured shoulder abduction-rise activity and flexion-rise activity postoperative 9 months in observation group were (100.9 ± 13.3)° and (131.6 ± 13.4)°,in control group were (81.4 ± 8.4)° and (96.7 ± 10.9)°; the injured shoulder VAS in observation group and control group were (2.2-± 0.8) and (3.0 ± 0.9) scores,and there were statistical differences between 2 groups (P < 0.01).The Constant-Murley score in observation group and control group were (85.4 ± 6.4) and (82.5 ± 6.2) scores,the excellent and good rate of Karlsson grade in observation group and control group were 84.5%(60/71),91.0% (71/78),and there were no statistical differences (P > 0.05).Conclusions The recent curative effect of double Endobutton technique and CHP in patients with Tossy grade Ⅲ acromioclavicular separation is similar.

3.
Journal of Medical Biomechanics ; (6): E333-E338, 2012.
Article in Chinese | WPRIM | ID: wpr-803928

ABSTRACT

Objective To compare the biomechanical behavior of a triple Endobutton technique for anatomic reconstruction of coracoclavicular ligament and with a modified Weaver-Dunn procedure. Methods Twelve fresh frozen cadaveric shoulders were applied with 70 N in superior, anterior and posterior direction, respectively, to measure displacement of the acromioclavicular joint. The failure test with the load at the rate of 25 mm/min was conducted to record the failure load and failure mode. The specimens were then randomly assigned to 2 groups: the triple Endobutton technique group and the modified Weaver-Dunn procedure group for reconstruction and to conduct displacement test and failure test again. The stability and mechanical strength of acromioclavicular joints after reconstruction under different states were then compared. Results The triple Endobutton technique group had significantly less anterior ((8.72±1.41) mm vs (37.03±5.05) mm) and posterior ((8.03±3.68) mm vs (14.85±1.89) mm) displacement than that in the modified Weaver-Dunn procedure group after reconstruction (P<0.05), and the former had similar displacement ((7.81±2.22) mm anterior and (7.16±1.95) mm posterior) as compared to the intact state. There were no significant differences in superior displacement among the groups. The modified Weaver-Dunn procedure group had significantly smaller failure loads ((172±9) N) than that in the triple Endobutton technique group ((687±115) N) and the intact ligament group ((685±234) N) (P<0.05). Conclusions The triple Endobutton technique has less anterior and posterior displacement and its stability is more closely approximate to the intact ligament; meanwhile, it has similar strength as coracoclavicular ligaments, which can better restore the function of coracoclavicular ligaments.

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