ArticleJournal of medical ultrasonics (2001)2018
Sonographic assessment of subacromial bursa distension during arm abduction: establishing a threshold value in the diagnosis of subacromial impingement syndrome.
Article in Journal of medical ultrasonics (2001), 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT04290468 (Role of Ultrasound in Shoulder Impingement), which is not on this map. Cited by 5 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Role of Ultrasound in Shoulder Impingement
Who cites it
5 citing papers in PubMed, 10 citations in OpenAlex.
- Comparative effects of corticosteroid injection combined with mobilization vs. mobilization alone on pain, function, and radiological outcomes in university volleyball players with subacromial impingement syndrome: a prospective randomized controlled trial.Frontiers in sports and active living · 2026Trial
- Assessment of dedicated MRI sequences in the evaluation of the acromioclavicular joint dislocation-A retrospective study.Skeletal radiology · 2026Article
- Ultrasound-Based Morphological and Functional Assessment in Male CrossFit Athletes with Unilateral Subacromial Shoulder Pain: An Observational Study.Medicina (Kaunas, Lithuania) · 2025Observational
- Interobserver agreement on the sonographic severity grading of shoulder impingement syndrome.The ultrasound journal · 2022Article
- Subacromial Content to Subacromial Space Ratio in Neutral Position of the Arm as Diagnostic Criteria of Subacromial Impingement Syndrome.Journal of medical ultrasoundArticle
Corrections and comments
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Authors and funding
9 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
purposeIn this study, we aimed to establish a quantitative threshold value in the diagnosis of subacromial impingement syndrome by measuring the thickness of the subacromial bursa during abduction and adduction. MATERIALS AND
methodsForty-five patients with subacromial impingement syndrome and 54 healthy individuals underwent dynamic shoulder ultrasonography. The subacromial bursa, between the supraspinatus tendon margin and peribursal adipose tissue, was measured between the acromion and humeral head at its widest part. The subacromial impingement ratio was calculated by dividing the subacromial bursa thickness during abduction to the subacromial bursa thickness during adduction. Shapiro-Wilk test was used in the assessment of normal distribution of parameters.
resultsThe mean subacromial bursa thickness in the abduction position was 1.8 ± 1.1 mm in the study group and 0.9 ± 0.3 mm in the control group. The mean subacromial bursa thickness in the adduction position was 0.9 ± 0.5 mm in the study group and 0.8 ± 0.3 mm in the control group. The subacromial impingement ratio showed a statistically significant difference between groups (p < 0.0001), and the ratio being 2.0 ± 0.5 in the study group and 1.2 ± 0.1 in the control group. For measurements performed in the abduction position, the best cut-off value was calculated as 1.3 mm, and sensitivity and specificity were 70.6 and 85.2%, respectively. The best cut-off value was 1.4 for the subacromial impingement ratio, and sensitivity and specificity were 88.2 and 96.3%, respectively.
conclusionSubacromial impingement ratio is a very practical and reliable method in subacromial impingement syndrome diagnosis.
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