Repair With Dynamic Intraligamentary Stabilization Versus Primary Reconstruction of Acute Anterior Cruciate Ligament Tears: 2-Year Results From a Prospective Randomized Study

被引:65
作者
Koesters, Clemens [1 ]
Glasbrenner, Johannes [1 ]
Spickermann, Lena [1 ]
Kittl, Christoph [1 ]
Domnick, Christoph [1 ]
Herbort, Mirco [1 ]
Raschke, Michael J. [1 ]
Schliemann, Benedikt [1 ]
机构
[1] Univ Hosp Munster, Dept Trauma Hand & Reconstruct Surg, Albert Schweitzer Campus 1,Bldg W1, D-48149 Munster, Germany
关键词
anterior cruciate ligament; ACL tear; ACL repair; dynamic intraligamentary stabilization; ACL reconstruction; FOLLOW-UP; ACL RECONSTRUCTION; DIAGNOSTIC-ACCURACY; RISK-FACTORS; SUTURE; KNEE; PREDICTORS; SINGLE; GRAFT; TRANSLATION;
D O I
10.1177/0363546520905863
中图分类号
R826.8 [整形外科学]; R782.2 [口腔颌面部整形外科学]; R726.2 [小儿整形外科学]; R62 [整形外科学(修复外科学)];
学科分类号
摘要
Background: Anterior cruciate ligament (ACL) repair has once again become a focus of research because of the development of new techniques. Purpose/Hypothesis: The purpose of the present study was to compare the functional results and recurrent instability rates in patients undergoing ACL repair with dynamic intraligamentary stabilization (DIS) versus primary ACL reconstruction (ACLR) for acute isolated ACL tears. The hypothesis was that functional results and knee joint stability after ACL repair with DIS would be comparable with that after ACLR. Study Design: Randomized clinical trial; Level of evidence, 1. Methods: A total of 85 patients with acute ACL tears were randomized to undergo either ACL repair with DIS or primary ACLR. The preinjury activity level and function were recorded. Follow-up examinations were performed at 6 weeks and 6, 12, and 24 months postoperatively. Anterior tibial translation (ATT) was evaluated using Rolimeter testing. The Tegner activity scale, International Knee Documentation Committee (IKDC) subjective form, and Lysholm knee scoring scale scores were obtained. Clinical failure was defined as Delta ATT >3 mm in combination with subjective instability. Recurrent instability and other complications were recorded. Results: There were 83 patients (97.6%) who were successfully followed until 2 years. ATT was significantly increased in the DIS group compared with the ACLR group (Delta ATT, 1.9 vs 0.9 mm, respectively; P = .0086). A total of 7 patients (16.3%) in the DIS group had clinical failure and underwent single-stage revision. In the ACLR group, 5 patients (12.5%) had failure of the reconstruction procedure; 4 of these patients required 2-stage revision. The difference in the failure rate was not significant (P = .432). There were 4 patients (3 in the DIS group and 1 in the ACLR group) who showed increased laxity (Delta ATT >3 mm) without subjective instability and did not require revision. Recurrent instability was associated with young age (<25 years) and high Tegner scores (>6) in both groups. No significant differences between ACL repair with DIS and ACLR were found for the Tegner, IKDC, and Lysholm scores at any time. Conclusion: Whereas ATT measured by Rolimeter testing was significantly increased after ACL repair with DIS, clinical failure was similar to that after ACLR. In addition, functional results after ACL repair with DIS for acute tears were comparable with those after ACLR. The current study supports the use of ACL repair with DIS as an option to treat acute ACL tears. Registration: DRKS00015466 (German Clinical Trials Register)
引用
收藏
页码:1108 / 1116
页数:9
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