Clinical Research Of Using The Tendon Bone Anastomosis Device To Repair Insertions Of Tendon Injury

Objective: To explore the clinical curative effect useing the tendon bone anastomosis device repairing the insertions of tendons.Method: A total of 40 patients(27 males and 13 females) with insertion of tendon injury were recruited in our study from January 2013 to October 2014, whose age ranged from 17 to 69 years old(average age 38.30 ± 5.62 years). According to the repair methods the patients were divided into three groups: experimental group(Group A, 15 cases), wire group(Group B, 15cases) and bone anchor group(Group C, 10 cases). The repaire method of Group A was to suture the ends of damaged tendons and ligaments into tendon anastomosis site, and then fix the tendon anastomosis device on the tendon adhesion to bone. Group B was to weave the wire through the ends of the tendons and ligaments, drill the tendon adhesion to bone with the steel wire, twist the wire, and fix the tendons on the bone attachment point. Group C was to bore in the tendon attachment points, screw into the rivets and seam the ends of tendons and ligaments with anchor tail suture. Cruciate ligament repairing with bone anchor was under arthroscopy. Plaster cast for 4 weeks after surgery and 3~20 months’ follow-up(average time 9.32±1.24 months) was completed. Compare the operation time, length of hospital stay, postoperative complications and functional evaluation among three groups. All data were analyzed by the SPSS 18.0 system using chi-square test for general parameters, t-test for curative institution and the rank-sum test for curative effect. P<0.05 was defined as significantly difference.Result: Operation time(minutes): 32.87 ± 4.31 in Group A, 41.52 ± 6.22 in Group B and 30.50 ± 4.91 in Group C. The time in Group B was significantly longer than that of Group A and Group C(P < 0.05), there was no significant difference between Group A and Group C(P > 0.05). Length of hospital stay(days): 9.64 ± 1.11 in Group A and 14.22 ±1.02 in Group B, 8.21 ±1.35 in Group C. The length of hospital stay of Group B was longer than that of Group A and Group C(P<0.05), there was no significant difference between Group A and Group C(P>0.05). Postoperative complications: 6.67% in Group A, 33.33% in group B, and 10.00% in Group C. The incidence of postoperative complications of Group A and Group C was significantly lower than that of Group B(P <0.05), there was no significant difference between Group A and Group C(P>0.05). The excellent rate of postoperative function : 86.67% in Group A, 66.67% in Group B, and 80.00% in group C. The excellent rate of postoperative function of Group A and Group C was significantly higher than Group B(P<0.05), there was no significant difference between Group A and Group C(P>0.05).Conclusion: ① The repair of insertion of tendon injury using tendon bone anastomosis device had the advantages of simpler operation, fewer complications, better clinical curative effect and so on. This method was especially appropriate for the repair of the insertion of large tendon and ligament injury. ② Tendon bone anastomosis device made of absorbable material for repair of the insertion of tendon injury was helpful for avoiding second surgery, metal foreign bodies remaining in body and anchor position shifting.