The interposition of soft tissue between the cortical button and femoral lateral cortex significantly increases button migration but does not negatively affect knee stability and clinical outcome

In clinical practice, soft tissue interposition may occur during femoral graft fixation. Soft tissue interposition between the lateral femoral cortex and the cortical button may affect graft tension and related longitudinal graft motion in the tunnel. We aimed to investigate the effect of soft tissu...

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Bibliographic Details
Published in:The knee 2020-06, Vol.27 (3), p.891-898
Main Authors: Buyukkuscu, Mehmet Ozbey, Misir, Abdulhamit, Cetinkaya, Engin, Ezici, Atakan, Ozcafer, Rasit, Gursu, Sukru Sarper
Format: Article
Language:English
Subjects:
Adolescent
Adult
Anterior cruciate ligament
Anterior Cruciate Ligament Reconstruction - methods
Arthritis
Autografts
Clinical outcomes
Cortex
Cortical button
Female
Femur
Follow-Up Studies
Foreign-Body Migration - diagnostic imaging
Humans
Joint and ligament injuries
Knee
Knee Joint - diagnostic imaging
Knee stability
Male
Malposition
Migration
Orthopedic Fixation Devices
Radiography
Reconstruction
Statistical analysis
Surgery
Tendons - transplantation
Young Adult
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Summary:In clinical practice, soft tissue interposition may occur during femoral graft fixation. Soft tissue interposition between the lateral femoral cortex and the cortical button may affect graft tension and related longitudinal graft motion in the tunnel. We aimed to investigate the effect of soft tissue interposition on button migration and clinical outcomes in anatomical single-bundle anterior cruciate ligament reconstruction. Eighty-four patients aged 18–40 years, who underwent anatomical single-bundle anterior cruciate ligament reconstruction with quadruple hamstring autograft were included. Patients were divided into two groups as Group 1 (n = 32) with soft tissue interposition between the cortical button and cortex, and Group 2 (n = 52) without soft tissue interposition. At the one-year follow-up visit, the anteroposterior knee stability of the patients was evaluated using the Lachman test and KT-2000 arthrometer, and rotational stability was assessed with the pivot shift test. The Lysholm knee score was used to evaluate the functional outcome of the patients. Relationship between tissue interposition and clinical outcome, and button migration was examined. Button migration was observed in 12 patients in Group 1 (37.5%) and two patients (3.84%) in Group 2 (p 
ISSN:0968-0160
1873-5800
DOI:10.1016/j.knee.2020.02.021