Abstract
Purpose
To analyze the complex shoulder vasculature and identify potential challenges during adhesive capsulitis embolization (ACE).
Materials and Methods
Two interventional radiologists evaluated angiographic findings from 21 ACE procedures. The suprascapular artery (SSA), thoracoacromial artery (TAA), coracoid branch (CB), circumflex scapular artery (CSA), and anterior/posterior circumflex humeral artery (ACHA/PCHA) were assessed for their presence, course, diameter within 1 cm of origin, angle to the proximal parent vessel, and distance from the clavicle.
Results
83 arteries were embolized: CB (20.5%), TAA (19.3%), PCHA (19.3%), ACHA (16.9%), CSA (14.5%), and SSA (9.6%). The CSA had the largest diameter (4.3 mm), while CB had the smallest diameter (1.0 mm). An acute angle to the parent vessel was noted with the SSA, TAA, ACHA, and PCHA. A common origin for CSA and PCHA was noted in 2 patients. A common origin for TAA and SSA was also noted in one patient. The CB appears perpendicular to the axillary artery and courses vertically toward the coracoid process. The TAA branches off the axillary artery and courses along the medial border of the pectoralis minor. The PCHA and ACHA originate from the axillary artery. The CSA is located on the medial side of axillary artery. The SSA originates from the thyrocervical trunk and courses laterally toward the superior border of the scapula.
Conclusion
An anatomical-technical guide is provided to help interventional radiologists during ACE to treat adhesive capsulitis.
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Funding
This study was funded by Terumo Medical (Somerset, NJ).
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Ari Isaacson: Consulting fees (Boston Scientific, CrannMed); Payment (Terumo, Guerbet); Participation on a Data Safety Monitoring Board (Boston Scientific). Sandeep Bagla: Consulting fees (Medtronic, CrannMed, Boston Scientific, Terumo, Guerbet, Varian); Leadership (President & CEO Prostate Centers USA); Stock (MBiotechnologies, Embolx).
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Institutional IRB approval was provided by The Western Institutional Review Board—protocol number: 20181853) and received an Investigational Device Exemption (IDE NCT03676829) from the U.S. Food and Drug Administration.
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Informed consent was obtained from all individual participants included in the study.
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Piechowiak, R., Sajan, A., Isaacson, A. et al. Angiographic Analysis of Anatomical Variants in Adhesive Capsulitis Embolization. Cardiovasc Intervent Radiol 46, 799–804 (2023). https://doi.org/10.1007/s00270-023-03427-9
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DOI: https://doi.org/10.1007/s00270-023-03427-9