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Single-stage versus two-stage reconstruction in chronic multi ligament knee injury
Mohammad Jesan Khan1, Naiyer Asif1, Anubhav Sharma1
1Department of Orthopaedic Surgery, J. N. Medical College, Faculty of Medicine, A.M.U. Aligarh 202002, Uttar Pradesh, India.
Background:
Multi ligament knee injury (MLKI) refers to the disruption of at least 2 of the 4 major knee ligaments. These injuries are managed in single and two-stage surgeries however, treatment guidelines for best practice are unsettled. There is no study in the literature that compares single and two-stage surgery for the management of chronic multiligament knee injury. Therefore, the aim of this study was to compare the functional outcome between single-stage and two-stage surgical fixation in chronic multi-ligament knee injury.
Methods:
Twenty seven patients with chronic MLKI with at least 2 years of follow up were included. Fourteen patients underwent reconstruction of torn ligaments in a single-stage operation (Group I) and 13 patients underwent reconstruction of torn ligaments in two stages (Group II). Assessment of clinical outcome was done with IKDC knee score, TEGNER LYSHOLM knee score, range of movement and laxity tests (Anterior drawer test, Lachman, Posterior drawer test, pivot shift test, dial test, varus and valgus stress test).
Results:
At final follow up, there was no significant difference in post-operative IKDC knee scores in group I and group II (84.7±7.1 and 81.4±8.4 respectively, p=0.3) and Lysholm scores (85.8±8.3 and 80.9±8.3 respectively, p=0.1), range of movement (133.2±5.7 and 131.5±6.6 respectively, p=0.5) and all the patients regained full extension. At the final follow up 12/14 patients (85.7%) in group I and 11/13 patients (84.6%) in group II had a negative/grade 1 anterior drawer test (p=0.6), 14/14 (100%) in group I and 13/13 (100%) patients had negative/grade 1 lachman test (p=0.6), 13/14 patients (92.8%) in group I and 13/13 patients (100%) patients in group II had negative/grade 1 pivot shift test (p=0.4), 9/10 patients (90%) in group I and 12/13 patients (92.3%) in group II had negative/grade 1 posterior drawer (p=0.6), 6/6 patients (100%) in group I and 6/7 patients (85.7%) in group II had negative/grade 1 dial test (p=0.3), 5/6 patients (83.3%) in group I and 5/7 patients (71.4%) in group II had negative/grade 1 varus stress test (p=0.4), 6/7 patients (85.7%) in group I and 7/7 patients (100%) in group II had negative/grade 1 valgus stress test (p=0.1).
Conclusion:
Chronic MLKI managed by single stage and two stage reconstruction provides similar functional outcomes.
Level Of Evidence:
Level III Retrospective Cohort Study.
