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Does Second-Generation Suspensory Implant Negate Tunnel Widening of First-Generation Implant Following Anterior Cruciate Ligament Reconstruction?

Shanmuganathan Rajasekaran|Silvampatti Ramasamy Sundararajan|Balaji Sambandam|Ajay Singh|Ramakanth Rajagopalakrishnan
대한슬관절학회 (Korean Knee Society)|2018.12|Knee Surgery and Related Research|제30권 제4호|pp. 341-347

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참고문헌

키워드

ReconstructionKneeWideningTunnelAnterior cruciate ligamentArthroscopy

초록

Purpose: Tunnel widening following anterior cruciate ligament (ACL) reconstruction is commonly observed. Graft micromotion is an important contributing factor. Unlike fixed­loop devices that require a turning space, adjustable­loop devices fit the graft snugly in the tunnel. The purpose of this study is to compare tunnel widening between these devices. Our hypothesis is that the adjustable­loop device will create lesser tunnel widening.Materials and Methods: Ninety­eight patients underwent ACL reconstruction from January 2013 to December 2014. An adjustable­loop device was used in 54 patients (group 1) and a fixed­loop device was used in 44 patients (group 2). Maximum tunnel widening at 1 year was measured by the L’Insalata’s method. Functional outcome was measured at 2­year follow­up.Results: The mean widening was 4.37 mm (standard deviation [SD], 2.01) in group 1 and 4.09 mm (SD, 1.98) in group 2 (p=0.511). The average International Knee Documentation Committee score was 78.40 (SD, 9.99) in group 1 and 77.11 (SD, 12.31) in group 2 (p=0.563). The average Tegner­Lysholm score was 87.25 (SD, 3.97) in group 1 and 87.29 in group 2 (SD, 4.36) (p=0.987). There was no significant difference in tunnel widening and functional outcome between the groups. Conclusions: The adjustable­loop device did not decrease the amount of tunnel widening when compared to the fixed­loop device. There was no significant difference in outcome between the two fixation devices.Level of Evidence: Level 3, Retrospective Cohort

Abstract

Purpose: Tunnel widening following anterior cruciate ligament (ACL) reconstruction is commonly observed. Graft micromotion is an important contributing factor. Unlike fixed­loop devices that require a turning space, adjustable­loop devices fit the graft snugly in the tunnel. The purpose of this study is to compare tunnel widening between these devices. Our hypothesis is that the adjustable­loop device will create lesser tunnel widening.Materials and Methods: Ninety­eight patients underwent ACL reconstruction from January 2013 to December 2014. An adjustable­loop device was used in 54 patients (group 1) and a fixed­loop device was used in 44 patients (group 2). Maximum tunnel widening at 1 year was measured by the L’Insalata’s method. Functional outcome was measured at 2­year follow­up.Results: The mean widening was 4.37 mm (standard deviation [SD], 2.01) in group 1 and 4.09 mm (SD, 1.98) in group 2 (p=0.511). The average International Knee Documentation Committee score was 78.40 (SD, 9.99) in group 1 and 77.11 (SD, 12.31) in group 2 (p=0.563). The average Tegner­Lysholm score was 87.25 (SD, 3.97) in group 1 and 87.29 in group 2 (SD, 4.36) (p=0.987). There was no significant difference in tunnel widening and functional outcome between the groups. Conclusions: The adjustable­loop device did not decrease the amount of tunnel widening when compared to the fixed­loop device. There was no significant difference in outcome between the two fixation devices.Level of Evidence: Level 3, Retrospective Cohort

참고문헌 (28)

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