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- Title
A randomized prospective controlled study with 5-year follow-up of cross-pin femoral fixation versus metal interference screw fixation in anterior cruciate ligament reconstruction.
- Authors
Björkman, Patrick; Sandelin, Jerker; Harilainen, Arsi
- Abstract
Purpose: The purpose of this study was to determine and compare mid- to long-term results of cross-pin versus metal interference screw fixation of ACL graft. Methods: In a prospective trial, 62 patients were randomized into two groups based on method of fixation. Transtibial drilling technique was used in the cross-pin and outside-in femoral drilling in the interference screw fixation group. Clinical and radiographical outcomes were assessed 2 and 5 years postoperatively. Results: The study showed no clinically significant difference with respect to method of graft fixation. Mean anteroposterior side-to-side instrumented laxity difference was 2.4 mm in the cross-pin group and 2.5 mm in the screw group (n.s.). Median Tegner and mean Lysholm scores at 5 years were 6 (range 3-9) and 92.2 (range 69-100) in the screw group and 7 (3-10) and 93.3 (82-100), respectively, in the cross-pin group. Radiographical osteoarthritis increased in both groups from 2 to 5 years after reconstruction ( p < 0.05), especially in the medial and patellofemoral joint spaces. Widening of the drill tunnels continued from 2 to 5 years without clinical significance. Conclusions and clinical relevance: The method of graft fixation did not yield a difference in clinical or radiographical outcome at 5 years. Results were excellent in both groups. Level of evidence: I.
- Subjects
ANTERIOR cruciate ligament surgery; FEMUR surgery; BONE screws; INTERNAL fixation in fractures; FOLLOW-up studies (Medicine); ORTHOPEDIC implant radiography
- Publication
Knee Surgery, Sports Traumatology, Arthroscopy, 2015, Vol 23, Issue 8, p2353
- ISSN
0942-2056
- Publication type
Article
- DOI
10.1007/s00167-014-3063-9