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- Title
Effect of Different Screw Materials on ACL Reconstruction With the Tape Locking Screw Technique: A Retrospective Study From the FAST Cohort.
- Authors
Sezer, Hasan Basri; Bohu, Yoann; Hardy, Alexandre; Coughlan, Adam; Lefevre, Nicolas
- Abstract
Background: Screws for graft fixation are available in 3 different materials for anterior cruciate ligament reconstruction (ACLR) with the Tape Locking Screw (TLS) technique: titanium, poly- l -lactic acid bioabsorbable, and polyetheretherketone (PEEK). Purpose: To compare the effect of the 3 different fixation materials on graft and implant survival after ACLR with the TLS technique. Study Design: Cohort study; Level of evidence, 3. Methods: Included were 521 patients from the French Prospective ACL Study (FAST) cohort who underwent primary surgical ACLR with the TLS technique. Patients were divided into 3 groups depending on the type of screw material used: titanium (TLS-T group), poly -l -lactic acid bioabsorbable (TLS-B group), or PEEK (TLS-P group). The primary endpoint was a retear within 2 years after ACLR. The secondary endpoints were complication rate, return to sports rate, and functional scores. Objective and subjective functional scores—including the International Knee Documentation Committee, the Knee injury and Osteoarthritis Outcome Score (KOOS), and the Lysholm score—were evaluated preoperatively and at the 2-year follow-up. Pain was assessed with the KOOS-Pain subscore recorded pre- and postoperatively every 6 months up to 2 years. Patient satisfaction was recorded at the 2-year follow-up. Results: No significant differences between the study groups were found in retear rates (4.4%, 4.5%, and 4.3% in the TLS-T, TLS-P, and TLS-B groups 2 years after surgery) or subjective and objective outcomes. The TLS-T group had the lowest rate of intraoperative implant-related complications (0.9%) compared with the TLS-P (4.3%) and TLS-B (7.7%) groups. Young age was a significant risk factor for retear in the TLS-T (P =.03) and TLS-B (P =.0001) groups, while a high level of sports was found to be a significant risk factor in the TLS-P (P =.04) group. All functional scores improved significantly at the 2-year follow-up (P <.0001), with no significant group difference. The KOOS-Pain subscore improved continuously with no significant group difference. The rate of return to preinjury sports was between 43.4% and 58.6%. The rate of highly satisfied patients at the final follow-up was between 86.2% and 91.8%. Conclusion: There was no difference in retear rate or objective and subjective functional scores between implant materials for TLS ACLR in this study.
- Subjects
MATERIALS testing; RISK assessment; ANTERIOR cruciate ligament surgery; GRAFT survival; DATA analysis; BONE screws; PROBABILITY theory; KRUSKAL-Wallis Test; TITANIUM; VENOUS thrombosis; INFECTIOUS arthritis; QUESTIONNAIRES; TREATMENT effectiveness; RETROSPECTIVE studies; DESCRIPTIVE statistics; CHI-squared test; MULTIVARIATE analysis; AGE distribution; FUNCTIONAL status; MAGNETIC resonance imaging; HEMATOMA; BIOMEDICAL materials; LONGITUDINAL method; KAPLAN-Meier estimator; LOG-rank test; SPORTS re-entry; SURGICAL complications; ATHLETES; MEDICAL records; ACQUISITION of data; ANALYSIS of variance; STATISTICS; BONE grafting; COMPARATIVE studies; CONFIDENCE intervals; SURVIVAL analysis (Biometry); DATA analysis software; LACTIC acid; PATIENT satisfaction; PROPORTIONAL hazards models; PATIENT aftercare
- Publication
Orthopaedic Journal of Sports Medicine, 2024, Vol 12, Issue 8, p1
- ISSN
2325-9671
- Publication type
Academic Journal
- DOI
10.1177/23259671241258505