European journal of orthopaedic surgery & traumatology : orthopedie traumatologie · 2025
Influence of two different techniques of anterior cruciate ligament reconstruction on tunnel morphology and functional outcome: a retrospective cohort study.
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Digge Vijaykumar, Samanta Arpan, Sharma Pankaj Kumar, Nag Hira Lal, Gamanagatti Shivanand
Аннотация
OBJECTIVE: The purpose of this study was to compare the all-inside (Group A) and conventional (Group B) anterior cruciate ligament reconstruction (ACLR) methods in terms of tunnel or socket morphology and functional outcomes.
DESIGN: Retrospective cohort study.
METHODS: Tunnel morphology was evaluated using a computed tomography scan and compared with intra-operative tibial and femoral drilling diameter at a mean follow-up of 29 months following ACLR between these groups. Clinical outcomes were studied using the 2000 IKDC subjective knee score, Lysholm score, and Knee Laxity Tester.
RESULTS: The study compared the tunnel morphology of all-inside (Group A; 20 subjects) and conventional (Group B; 43 subjects) ACLR methods in 63 patients. The results showed no significant differences in functional outcomes between the two groups. However, the femoral tunnel shrunk in Group A by 1.32% and 6.9% at articular (F1) and mid-portion (F2), respectively, compared to Group B at the same locations. The tibial tunnel widened in Group A by 1.91% and 11.07% at articular (T1) and mid-portion (T2) respectively, compared to Group B at the same locations. The statistical analysis showed a significant difference in the tunnel diameter change between the two groups at F2 (P = 0.02), T1 (P = 0.008), and T2 (P = 0.04).
CONCLUSION: This study found that patients who underwent all-inside ACLR (Group A) had similar functional outcomes to those who underwent conventional ACLR (Group B). However, "tunnel diameter changes were overall more favourable in the all-inside group, particularly on the femoral side".
DESIGN: Retrospective cohort study.
METHODS: Tunnel morphology was evaluated using a computed tomography scan and compared with intra-operative tibial and femoral drilling diameter at a mean follow-up of 29 months following ACLR between these groups. Clinical outcomes were studied using the 2000 IKDC subjective knee score, Lysholm score, and Knee Laxity Tester.
RESULTS: The study compared the tunnel morphology of all-inside (Group A; 20 subjects) and conventional (Group B; 43 subjects) ACLR methods in 63 patients. The results showed no significant differences in functional outcomes between the two groups. However, the femoral tunnel shrunk in Group A by 1.32% and 6.9% at articular (F1) and mid-portion (F2), respectively, compared to Group B at the same locations. The tibial tunnel widened in Group A by 1.91% and 11.07% at articular (T1) and mid-portion (T2) respectively, compared to Group B at the same locations. The statistical analysis showed a significant difference in the tunnel diameter change between the two groups at F2 (P = 0.02), T1 (P = 0.008), and T2 (P = 0.04).
CONCLUSION: This study found that patients who underwent all-inside ACLR (Group A) had similar functional outcomes to those who underwent conventional ACLR (Group B). However, "tunnel diameter changes were overall more favourable in the all-inside group, particularly on the femoral side".