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Updated: Dec 8, 2025

Reverse Total Shoulder Arthroplasty
Published on: July 5, 2011
Pseudoaneurysm of the Posterior Humeral Circumflex Artery After Reverse Shoulder Arthroplasty: A Case Report
Yuki Miwa1, Noboru Matsumura, Taku Suzuki
1Department of Orthopedic Surgery, Keio University School of Medicine, Tokyo, Japan.
Case:
A 78-year-old woman with rheumatoid arthritis and a massive rotator cuff tear of the right shoulder was treated with reverse shoulder arthroplasty, but a pseudoaneurysm in the posterior humeral circumflex artery suddenly ruptured 7 months after surgery. Embolization of the pseudoaneurysm and skin treatment successfully relieved her symptoms without implant removal.
Conclusion:
Although a rare occurrence, vascular complication can occur after shoulder arthroplasty. The cause of the pseudoaneurysm was hypothesized to be repetitive contact between the humeral component and the artery and/or chronic traction of the blood vessel because of its chronic onset.
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