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Titre : | Subacromial Motion Metrics in Painful Shoulder Impingement: A Dynamic Quantitative Ultrasonography Analysis (2023) |
Auteurs : | Wei-Ting Wu ; Che-Yu Lin ; Yi-Chung Shu ; Lan-Rong Chen ; Lèvent Ozçakar ; Ke-Vin Chang |
Type de document : | Article |
Dans : | Archives of Physical Medicine and Rehabilitation (Vol. 104, n° 2, 2023) |
Article en page(s) : | 260-269 |
Note générale : | https://doi.org/10.1016/j.apmr.2022.08.010 |
Langues: | Anglais |
Descripteurs : |
HE Vinci Imagerie diagnostique ; Pain ; Réadaptation ; Sports ; Syndrome de conflit sous-acromial |
Résumé : | Objectives To explore the subacromial motion metrics in patients with and without subacromial impingement syndrome (SIS) and to investigate whether the abnormality was associated with rotator cuff pathologies. Design This cross-sectional observational study used dynamic quantitative ultrasonography imaging for shoulder joint assessment. Setting Outpatient rehabilitation clinic. Participants Individuals with SIS on at least 1 shoulder (n=32) and asymptomatic controls (n=32) (N=64). Interventions Not applicable. Main Outcome Measures Frame-by-frame, the humeral greater tuberosity against the lateral edge of the acromion was traced to obtain the minimal vertical acromiohumeral distance (AHD). The rotation angle and radius of the humerus were computed using the least-squares curve fitting method. Results Approximately two-thirds of the shoulders with SIS did not have any sonographically identifiable rotator cuff pathologies. There was a consistent trend of nonsignificantly increased humeral rotation angles in painful shoulders. The generalized estimating equation demonstrated that the decreased minimal vertical AHD was associated with painful subacromial impingement (? coefficient: ?0.123cm, 95% confidence interval [CI], ?0.199 to ?0.047). The area under the curve for the minimal vertical AHD to discriminate painful or impinged shoulders ranged from 0.624-0.676. The increased rotation angle (? coefficient: 10.516°; 95% CI, 3.103-17.929) and decreased rotation radius (? coefficient: ?2.903cm; 95% CI, ?5.693 to ?0.111) were shown to be significantly related to the presence of supraspinatus tendinopathy. Conclusions Shoulders with SIS were characterized by a decreased minimal vertical AHD during dynamic examination. Abnormal subacromial metrics can develop in patients with mild (or no) rotator cuff pathologies. More prospective cohort studies are warranted to investigate the changes in subacromial motion metrics in populations at risk for painful or impinged shoulders. |
Disponible en ligne : | Oui |
En ligne : | https://login.ezproxy.vinci.be/login?url=https://www.sciencedirect.com/science/article/pii/S0003999322006001 |