Clinical efficacy of the application of suture anchor shaped"×"elastic fixation under the arthroscopy in treating anterior cruciate ligament tibial insertion a-vulsion fracture
Objective To explore the clinical efficacy of suture anchor shaped"×"elastic fixation in the treat-ment of anterior cruciate ligament(ACL)tibial insertion avulsion fracture under the arthroscopy.Methods From March 2018 to June 2023,35 patients with ACL tibial insertion avulsion fractures were treated with tunnel fabri-cation and threading device for posterior cruciate ligament(PCL)tibial insertion avulsion fracture(self-made),and suture anchor shaped"×"elastic fixation was performed to the modified Meyers-McKeever classification of type Ⅱ～Ⅳ fractures under the arthroscopy.In the final follow-up,the evaluation of the surgical efficacy was based on the Lysholm score and IKDC score of the knee joint.Results For all the 35 cases,the follow-up lasted for 6-18 months,with an average of 12.3 months.Postoperative CT follow-up showed that all 35 cases obtained satisfactory reduction of the fracture and bone healing(healing time lasing 3-5 months,with average of 4.1 months).In the last follow-up,both the anterior drawer test and the Lachman test were negative.The Lysholm score and IKDC score of the knee joint increased from(23.25±5.12,39.02±6.71)points(preoperative stage)to(93.60±3.38,91.83±4.21)points(the last follow-up stage),respectively(P＜0.001).All cases had no complications such as joint infection,internal fixation loosening,joint interlocking,or instability.Children or adolescent patients did not have growth disorders such as premature closure of epiphysis,knee varus or valgus deformities.Conclusion The application of suture anchor shaped"×"elastic fixation to treat ACL tib-ial insertion avulsion fracture under the arthroscopy achieved precise fracture reduction and reliable fixation,al-lowed early functional rehabilitation of the knee joint.The self-made tunnel fabrication and threading device for PCL tibial insertion avulsion fracture are used to make the operation more simple,the interference to the epiphy-sis is small,and the clinical effect is satisfactory.
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