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Platelet-Rich Plasma Injection Reduces Tear Size In Partial Supraspinatus Tendon Tears Compared To Conventional Steroid Injection

2021 Congress Paper Abstracts

Platelet-Rich Plasma Injection Reduces Tear Size In Partial Supraspinatus Tendon Tears Compared To Conventional Steroid Injection

Thanathep Tanpowpong, MD, THAILAND Marvin Thepsoparn, MD, THAILAND Somsak Kuptniratsaikul, MD, THAILAND Thun Itthipanichpong, MD, THAILAND Danaithep Limskul, MD, THAILAND Achitpol Thongkam, THAILAND Numphung Numkarunarunrote, MD, THAILAND Chindarat Ratanakornphan, MD, THAILAND Aticha Ariyachaipanich, MD, THAILAND Timporn Vitoonpong, MD, THAILAND Phark Thanphraisan, MD, THAILAND

Faculty of Medicine, Chulalongkorn University, Pathumwan, Bangkok, THAILAND


2021 Congress   Abstract Presentation   5 minutes   Not yet rated

 

Anatomic Location

Diagnosis / Condition

Treatment / Technique

Diagnosis Method

MRI

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Summary: While both the PRP and the steroids can help improve functional scores, PRP injection can reduce tear size in partial supraspinatus tendon tear.


Objectives
Corticosteroid (CS) injection is commonly used in partial-thickness rotator cuff tears to decrease pain. However, unwanted side effects, such as tendon rupture, could result. Alternatively, platelet-rich plasma (PRP) injection is frequently used to treat tendinopathies because it enhances healing. This study compared the differences in tear size and functional scores between intralesional PRP and subacromial CS injections.

Methods

Patients with symptomatic partial-thickness tears of the supraspinatus tendon who underwent conservative treatment for more than 3 months were enrolled. All patients underwent magnetic resonance imaging (MRI) to confirm the diagnosis. Fourteen and 15 patients received intralesional PRP and subacromial CS injections, respectively. Tears were measured in the coronal and sagittal planes. The patients underwent another MRI 6 months after the injection. Tear size was compared between the two MRI results. The American Shoulder and Elbow Surgeons Shoulder score and the Constant-Murley score were also obtained.

Results

The demographic data were similar between the two groups. In the coronal plane, PRP and CS showed significant tear size reductions of 3.39 mm and 1.10 mm, respectively. In the sagittal plane, PRP and CS showed tear size reductions of 2.97 mm and 0.76 mm, respectively. Functional scores improved 6 months after injection in both groups, but PRP showed better functional scores than CS.

Conclusion

Intralesional PRP injection can reduce the tear size in partial-thickness tears of the supraspinatus tendon. Subacromial steroid injection did not affect the tear size. While CS improved functional scores compared to baseline, PRP resulted in better improvement at 6 months post-injection.


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