Changes of MR T2 mapping Quantitative Parameters in Patients with Rotator Cuff Tear and Their Relationship with SSV and DASH

doi:10.7517/issn.1674-0475.220706

Abstract

Abstract: The changes of MR T2 mapping quantitative parameters in exercise-induced rotator cuff tear (RCT) patients and their relationship with the prognosis and functional outcome were explored in this paper. A total of 80 patients with exercise-induced RCT were selected as the research objects. All of them underwent MRI routine scanning and MR T2 mapping scan, and divided into group A (level Ⅰ, n=25), group B (level Ⅱ, n=39), and group C (level Ⅲ, n=16) according to the RCT classification. Through comparative analysis, it was found that the medial, lateral, and intermediate T₂ values of the supraspinatus tendon in group A were lower than those in groups B and C, and group B was lower than that of group C (P<0.05); the medial, lateral, and middle T₂ values of the supraspinatus tendon were all lower than the RCT grading was positively correlated (P<0.05); the medial, lateral, and intermediate T₂ values of the supraspinatus tendon and the upper extremity Disability of arm shoulder and hand (DASH) scores of the RCT patients were lower than the preoperative, subjective shoulder value (SSV) scores were higher than preoperative (P<0.05); the medial, lateral, and middle ΔT₂ values of supraspinatus tendon before and after surgery were positively correlated with ΔSSV and ΔDASH scores (P＜0.05). It can be seen that the quantitative parameters of MR T2 mapping are positively correlated with the RCT grading of patients with exercise-induced RCT, and the change values of each parameter are closely related to the prognostic function outcome.

Key words: rotator cuff tear, magnetic resonance imaging, T2 mapping scan, supraspinatus tendon, shoulder value, prognosis

LI Tiejun, WEI Chao, TANG Lichun, JIANG Xiling. Changes of MR T2 mapping Quantitative Parameters in Patients with Rotator Cuff Tear and Their Relationship with SSV and DASH[J]. IMAGING SCIENCE AND PHOTOCHEMISTRY, 2022, 40(6): 1602-1606.

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