ISAKOS 2015: Elevated T2 Relaxation time associated with pain & low activity after ACLR .
Quantitative MRI-T2 Mapping of Articular Cartilage Following Anatomic Anterior Cruciate Ligament Reconstruction: Relationship to Patient Reported Measures of Symptoms, Activity, and Participation
36 patients with complete ACL tears underwent MRI T2 mapping, 6 months after ACL reconstruction (ACLR) surgery. The purpose of the study was to determine if T2 relaxation times (T2RTs) differ between ACLR knees and contralateral knees, and if the difference is related to patient-reported outcomes. Results indicated that 6 months post-surgery a loss of collagen structure in the femoral cartilage was present, as indicated by elevated T2RTs in ACLR knees, and this was associated with increased pain and decreased levels of activity and participation.
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