Outcome of Anterior Cruciate Ligament Reconstruction: A Comparison between Biotransfix Screw and All-Inside Technique
Introduction: Anterior cruciate ligament (ACL) reconstruction has evolved during past decade. All inside technique is introduced aiming for less invasive procedure, bone stock preservation, preservation of tendon at its donor site, better graft positioning and fixation technique. This study is conducted to compare the outcomes of this new technique to the previous biotransfix screw. Materials and method: A cross sectional study was conducted in patients with ACL injury treated with ACL reconstruction surgery in Hospital Sultanah Nur Zahirah, Kuala Terengganu and Hospital Kemaman, Terengganu. Functional outcome with International Knee Documentation Committee (IKDC) score, SF-36 quality of life score and time taken to return to normal activities were evaluated at 18 to 24 months post-operative. Results: Forty patient were recruited, 20 in each group. Of this, 37 were male with age of 25±6.48 years old. 25 were office worker and the rest were field worker. 37.5% were smoker. Patients in biotransfix screw technique operated at 21.3±12.6 months after the injury while those in all inside technique at 17.7±11.9 months(p-value 0.35). BMI was 24.58±4.59. The SF-36 score were similar in both groups with p-value 0.59. Both groups have same IKDC score of 82.99±12.55. Time taken to return to normal activity level was 46.3±19.7 weeks which was similar in both groups(p-value 0.943). Re rupture rate were 10% in biotransfix screw technique and 5% in all inside technique. None of them has any form of infection. There were no correlation between quality of life SF-36 score with age, tobacco use, BMI, duration of injury until operation and occupation of the patient in both techniques. Conclusion: The functional outcome, quality of life and time return to normal activity were similar between patients who had biotransfix screw and all inside technique. There were also no correlations between factors studied with quality of life in both groups.
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