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Ultrasound-guided injection through the rotator cuff interval: a clinical perspective of one institution's results and description of technique

Journal: Journal of Osteopathic Medicine Date: 2023/12, 123(12):Pages: 571–576. doi: Subito , type of study: retrospective study

Free full text   (https://www.degruyterbrill.com/document/doi/10.1515/jom-2023-0129/html)

Keywords:

arthrography [1]
injection [17]
retrospective study [318]
rotator cuff interval [1]
ultrasound [49]

Abstract:

CONTEXT: Fluoroscopic injection through the rotator cuff interval (RCI) is a common technique for diagnostic arthrography and therapeutic intervention. Ultrasound approaches through the RCI have been less commonly studied, but there is a growing body of literature. OBJECTIVES: The purpose of this study was to present a standardized technique of ultrasound-guided injection into the glenohumeral joint utilizing the RCI in magnetic resonance imaging (MRI) arthrography (MRA) and to report one medical group's experience with the technique. METHODS: A retrospective chart review of all ultrasound-guided injections into the glenohumeral joint utilizing the RCI was performed from July 1, 2014 through June 1, 2021. Data were compiled for age, gender, body mass index (BMI), and prior surgery on the shoulder. The primary endpoint was successful administration of intra-articular dilute gadolinium contrast adequate for radiologic interpretation. A total of 487 injections into the glenohumeral joint via the RCI were performed. One hundred and fifty-five patients had previous shoulder surgery, with the remainder naive to intervention. RESULTS: The success rate of injections into the glenohumeral joint was 99.4 %, with only three injections considered unsuccessful. The three unsuccessful injections did not succeed because of a lack of intra-articular contrast media present. This success rate is impressive and promising, particularly when considering that 155 of the patients had previous surgery, which could potentially cause complications, and because these injections were performed over a long period of 7 years. CONCLUSIONS: Accessing the RCI under ultrasound guidance is a very successful technique for injection within the glenohumeral joint.


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