Abstract #0103

Association Between Ultrashort Echo-Time T2* Parameters and Clinical Outcome in an RCT of Patellar Tendinopathy

Rianne A van der Heijden¹, Robert Moskwa², Fang Liu³, John Wilson⁴, Bryan Heiderscheit⁴, Scott J Hetzel⁵, Zachary E Stewart³, Kenneth Lee¹, and Richard Kijowski⁶

¹Department of Radiology, University of Wisconsin-Madison, Madison, WI, United States, ²Department of Medical Physics, University of Wisconsin-Madison, Madison, WI, United States, ³Massachusetts General Hospital/Harvard Medical School, Boston, MA, United States, ⁴Department of Orthopedics and Rehabilitation, University of Wisconsin-Madison, Madison, WI, United States, ⁵Department of Biostatistics and Medical Informatics, University of Wisconsin-Madison, Madison, WI, United States, ⁶Department of Radiology, New York University Grossman School of Medicine, New York, NY, United States

Synopsis

Keywords: Tendon/Ligament, Quantitative Imaging, UTEThis study was performed to investigate the association between bi-component UTE-T2* parameter of the patellar tendon and clinical pain scores over time in a randomized control trial for patellar tendinopathy (PT). The fraction of the fast-relaxing macromolecular bound water (F_F) of the proximal patellar tendon and VAS pain scores were assessed at 0, 16 and 52-weeks in 29 patients with PT randomized into three treatment groups. All treatment groups showed a significant improvement (p<0.05) in pain and a significant increase (p<0.05) in F_F over time, with a significant inverse correlation (p<0.05) between the increase in F_F and decreased pain.

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