Follow-up evaluation 2 years after ACL reconstruction with bone-patellar tendon-bone graft shows that excessive tibial rotation persists (Journal article)

Ristanis, S./ Stergiou, N./ Patras, K./ Tsepis, E./ Moraiti, C./ Georgoulis, A. D.

OBJECTIVE: To investigate in vivo if the increased tibial rotation found in anterior cruciate ligament (ACL)-deficient patients before surgery is restored 2 years after the reconstruction, during 2 high-demanding activities. DESIGN: Prospective follow-up study. SETTING: A gait analysis laboratory. PARTICIPANTS: Nine subjects with unilateral ACL rupture, reconstructed with a bone-patellar tendon-bone (BPTB) graft, and 10 healthy control subjects. INTERVENTIONS: All the ACL-deficient patients underwent a unilateral ACL reconstruction after prereconstruction data acquisition. MAIN OUTCOME MEASUREMENTS: Using a 6-camera motion analysis system, kinematics were collected as subjects (1) descended from a stair and, after foot contact, pivoted on the landing leg at 90 degrees; and (2) jumped from a platform, landed with both feet on the ground and, after foot contact, pivoted on the right or left leg at 90 degrees in a similar fashion. The dependent variable examined was the maximum range of motion of tibial rotation during the pivoting period. RESULTS: For both activities, no significant differences were found between the control healthy knee and the intact knee of the patient group before and 2 years after the ACL reconstruction. Significant differences were found between the control healthy knee and the affected knee of the patients group for both activities, both before and 2 years after the ACL reconstruction. CONCLUSION: The increased tibial rotation found in the ACL-deficient knees was not restored with reconstruction using a BPTB graft, even 2 years postoperatively. The authors propose that this excessive tibial rotation over time may lead to further deterioration of the knee resulting from abnormal loading at areas of the cartilage that are not commonly loaded in a healthy knee.
Institution and School/Department of submitter: Πανεπιστήμιο Ιωαννίνων. Σχολή Επιστημών Υγείας. Τμήμα Ιατρικής
Keywords: Adult,Anterior Cruciate Ligament/surgery,*Bone-Patellar Tendon-Bone Graft,Case-Control Studies,Follow-Up Studies,Gait/physiology,Humans,Knee/*physiopathology/surgery,Male,Rotation,Tibia/*physiopathology/surgery,Treatment Outcome
ISSN: 1050-642X
Appears in Collections:Άρθρα σε επιστημονικά περιοδικά ( Ανοικτά)

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