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Home NEWS Science News Health

MRI findings predict shoulder stiffness for rotator cuff tears

Bioengineer by Bioengineer
February 19, 2020
in Health
Reading Time: 2 mins read
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Joint capsule edema and thickness at the axillary recess prove useful in predicting stiff shoulder in patients with small to large (

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Credit: American Journal of Roentgenology (AJR)


Leesburg, VA, February 19, 2020–Two MRI findings–joint capsule edema and thickness at the axillary recess, specifically–proved useful in predicting stiff shoulder in patients with rotator cuff tears, according to an ahead-of-print article in the May issue of the American Journal of Roentgenology (AJR).

Studying 106 patients with small to large (

Tear size and location were determined by MRI findings and operative report, while associations between MRI findings and preoperative passive range of motion (ROM) were evaluated with simple and multiple linear regression analyses and proportional odds logistic regression analysis.

As Kim and colleagues wrote: “There was a significant, negative linear correlation between limited ROM at forward elevation and thickness of the joint capsule in the glenoid portion of the axillary recess (p = 0.018), external rotation and joint capsule edema in the humeral portion of the axillary recess (p = 0.011), and internal rotation and joint capsule edema in the glenoid portion of the axillary recess (p = 0.007).”

Fatty degeneration (p = 0.003) was an independent predictor of limited ROM on internal rotation. Meanwhile, male sex (p = 0.041) and posterosuperior rotator cuff tear (p = 0.030) were independent predictors of shoulder ROM on external rotation.

“This study is important,” Kim et al. noted, “because it is the first to highlight joint capsule abnormality on MRI as a factor associated with stiff shoulder in patients with full-thickness rotator cuff tears.”

###

Founded in 1900, the American Roentgen Ray Society (ARRS) is the first and oldest radiological society in North America, dedicated to the advancement of medicine through the profession of radiology and its allied sciences. An international forum for progress in medical imaging since the discovery of the x-ray, ARRS maintains its mission of improving health through a community committed to advancing knowledge and skills with an annual scientific meeting, monthly publication of the peer-reviewed American Journal of Roentgenology (AJR), quarterly issues of InPractice magazine, AJR Live Webinars and Podcasts, topical symposia, print and online educational materials, as well as awarding scholarships via The Roentgen Fund®.

Media Contact
Logan K. Young
[email protected]
703-858-4332

Original Source

https://arrs.org/ARRSLIVE/Pressroom/PressReleases/MRI_Predicts_Shoulder_Stiffness_Rotator_Cuff_Tears.aspx

Related Journal Article

http://dx.doi.org/10.2214/AJR.19.21973

Tags: DiagnosticsMedicine/HealthMusculatureOrthopedic MedicinePainSports MedicineSports/Recreation
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