Discriminative and convergent validity of strain elastography for detecting tendinopathy within the supraspinatus tendon : a cross-sectional study

© 2020 The Authors.

Bibliographische Detailangaben
Veröffentlicht in:JSES international. - 2020. - 4(2020), 2 vom: 01. Juni, Seite 310-317
1. Verfasser: Brage, Karen (VerfasserIn)
Weitere Verfasser: Hjarbaek, John, Boyle, Eleanor, Ingwersen, Kim Gordon, Kjaer, Per, Juul-Kristensen, Birgit
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2020
Zugriff auf das übergeordnete Werk:JSES international
Schlagworte:Journal Article Strain elastography rotator cuff supraspinatus tendon tendinopathy tendinosis tendon quality ultrasound validity
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245 1 0 |a Discriminative and convergent validity of strain elastography for detecting tendinopathy within the supraspinatus tendon  |b a cross-sectional study 
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520 |a BACKGROUND: We aimed to explore the discriminative validity of ultrasound strain elastography (SEL) between patients with painful supraspinatus tendinopathy and healthy control shoulders, as well as the associations between SEL and magnetic resonance imaging (MRI), conventional ultrasound (tendon thickness), and the Disabilities of the Arm, Shoulder and Hand questionnaire (DASH) 
520 |a METHODS: Thirty patients with shoulder pain and MRI-verified supraspinatus tendinopathy and 30 healthy control shoulders (no pain) were examined using SEL, MRI, and conventional ultrasound of the supraspinatus tendon. SEL variables included raw data, ratios between the deltoid muscle and supraspinatus tendon (deltoid ratio), color rating, and presence of red/yellow lesions (middle, worst part, and total tendon) 
520 |a RESULTS: Statistically significant increases in odds ratios for being symptomatic (increased softening) were seen for all raw data variables, corresponding to 3.978 (95% confidence interval [CI], 1.414-11.197) for middle, 4.602 (95% CI, 1.536-13.788) for worst, and 4.865 (95% CI, 1.406-16.836) for total tendon, and 1.260 (95% CI, 1.027-1.545) for the deltoid ratio (worst), adjusted for sex and body mass index (BMI). Tendon thickness was not associated with SEL; however, significantly positive associations were found between raw data variables and MRI (β ≥ 0.58, P < .01), and positive associations were found between raw data variables and the DASH score (β = 0.01, P ≤ .04), adjusted for sex and BMI 
520 |a CONCLUSIONS: Raw data variables and the deltoid ratio (worst) discriminated between patients with painful supraspinatus tendinopathy and healthy control shoulders when adjusted for sex and BMI. Associations were statistically significant for raw data variables and MRI or DASH score when adjusted for sex and BMI. Further studies are needed to understand SEL and the role of sex and BMI, including the responsiveness of SEL 
650 4 |a Journal Article 
650 4 |a Strain elastography 
650 4 |a rotator cuff 
650 4 |a supraspinatus tendon 
650 4 |a tendinopathy 
650 4 |a tendinosis 
650 4 |a tendon quality 
650 4 |a ultrasound 
650 4 |a validity 
700 1 |a Hjarbaek, John  |e verfasserin  |4 aut 
700 1 |a Boyle, Eleanor  |e verfasserin  |4 aut 
700 1 |a Ingwersen, Kim Gordon  |e verfasserin  |4 aut 
700 1 |a Kjaer, Per  |e verfasserin  |4 aut 
700 1 |a Juul-Kristensen, Birgit  |e verfasserin  |4 aut 
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