Clinical evaluation of different methods of arthroscopic repair of Ellman's type Ⅲ PASTA injury by MRI
Objective To evaluate the clinical efficacy of arthroscopic tendon repair and full thickness repair for Ellman Ⅲ PASTA injuries by Magnetic Resonance Imaging(MRI).Methods A retrospective analysis of 42 patients with PASTA injury of the shoulder joint diagnosed and treated by arthroscopy was performed.All patients were Ellman Ⅲ type and the patients were divided into a penetrating tendon repair group(n=22)and a full thickness repair group(n=20)according to surgical repair methods.Patients under-went shoulder joint MRI examination before surgery,3 months after surgery,and 6～12 months after surgery.Compare the cross-section-al area of the supraspinatus muscle,degree of fat infiltration in the supraspinatus muscle,and degree of atrophy in the supraspinatus mus-cle between the two groups before and after surgery.Results There was no statistically significant difference in the cross-sectional area of the supraspinatus muscle between the two groups of patients before surgery,3 months after surgery,and 6～12 months after surgery(P＞0.05).Comparing the degree of fat infiltration of the supraspinatus muscle between the two groups of patients before and 6～12 months after surgery,there was no statistically significant difference(P＞0.05)between the pre-and post-operation groups in the perforator tendon repair group,while there was a statistically significant difference(P＜0.05)between the pre-operation and post-op-eration groups in the transition to full layer repair group.Conclusion In the treatment of Ellman type Ⅲ PASTA injury with transteno-plasty and full layer repair has no significant impact on the cross-sectional area of the supraspinatus muscle after surgery,but has an im-pact on the degree of atrophy of the supraspinatus muscle.Whereas the postoperative effect on the degree of supraspinatus muscle fat infil-tration is influenced by transferring to full-layer repair,and the effect of through-tendon repair is not significant.
PASTA damageShoulder arthroscopyRepair surgeryMagnetic resonance imaging
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