In this retrospective research results of ACL reconstruction in adolescent will be evaluated. As we know ACL ruptures become more frequent and more often operated these days. According to literature the results in patients younger than 20 years old are worse. Therefore clinical and MRI evaluation will be performed. The aim of the study is to assess subjective and objective functional outcome of ACL reconstruction with follow-up at least 3 years. MRI scans will be evaluated to highlight any early signs of osteoarthritis and describe graft morphology. IKDC, KOOS scales will be utilised for subjective evaluation. Clinical tests such as Lachman's, pivot shift, Appley's along with anterior tibial shift measurement with digital arthrometer for objective assessment will be also performed. Additionally isokinetic tests will be performed in two speeds of 60 and 180 deg/s. Most of important isokinetic parameters such as peak torque, torque in 30 deg, time to peak torque, peak torque to body weight both for quadriceps and hamstrings will be measured . Preliminary group of patients consists of 150 cases with follow-up at least 3 years, operated in age 12-17 years. All cases available for the study will be assessed with methodology above. Dedicated statistical test will be utilised to evaluate the results.
Study Type
INTERVENTIONAL
Allocation
NA
Purpose
TREATMENT
Masking
NONE
Enrollment
150
Adolescent patients with confirmed full thickness ACL injury were operated arthroscopically with semitendinosus and gracilis autograft anatomical reconstruction.
Polish Mother Memorial Hospital Research Institute
Lodz, Poland
RECRUITINGLachman test
Assessment of knee stability in sagittal plane (positive/negative)
Time frame: up to six months
Pivot shift test
Assessment of knee rotational stability (positive/negative)
Time frame: up to six months
Apley's distraction test
Assessment of knee rotational stability (positive/negative)
Time frame: up to six months
MRI evaluation
Assessment of reconstructed ACL morphology and degenerative changes of the knee - cartilage average volume (cubic centimeter) \[cm3\]
Time frame: up to 12 months
Isokinetic evaluation - peak torque
Quadriceps and hamstrings isokinetic tests in either 60 deg/s and 180 deg/s velocities with evaluation of peak torque (Newton-meter, \[Nm\])
Time frame: up to 12 months
Arthrometer testing
Assessment of knee stability in sagittal plane with digital arthrometer use (millimeters, \[mm\])
Time frame: up to six months
Isokinetic evaluation - torque at 30 deg
Quadriceps and hamstrings isokinetic tests in either 60 deg/s and 180 deg/s velocities with evaluation of torque at 30 deg (Newton-meter, \[Nm\])
Time frame: up to 12 months
Isokinetic evaluation - angle of peak torque
Quadriceps and hamstrings isokinetic tests in either 60 deg/s and 180 deg/s velocities with evaluation of angle of peak torque (degrees \[deg\]))
Time frame: up to 12 months
Isokinetic evaluation - time to peak torque
Quadriceps and hamstrings isokinetic tests in either 60 deg/s and 180 deg/s velocities with evaluation of time to peak torque (milliseconds \[ms\])
Time frame: up to 12 months
Isokinetic evaluation - work fatigue
Quadriceps and hamstrings isokinetic tests in either 60 deg/s and 180 deg/s velocities with evaluation of work fatigue (percent \[%\])
Time frame: up to 12 months
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