Acute-on-Chronic Axillary Artery Thrombus After Reverse Total Shoulder Arthroplasty for Failed Proximal Humerus Open Reduction and Internal Fixation: A Case Report.

JBJS Case Connect

Division of Shoulder and Elbow Surgery, Department of Orthopaedic Surgery, Alpert Medical School, Brown University, Providence, Rhode Island.

Published: April 2024

AI Article Synopsis

  • - A 71-year-old woman developed post-traumatic arthritis after surgery for a shoulder fracture and later required a revision surgery to reverse total shoulder arthroplasty.
  • - Following the rTSA, it was discovered that her left arm had lost blood flow due to an acute-on-chronic clot in the axillary artery, necessitating an emergency procedure to restore circulation.
  • - With the growing use of rTSA for shoulder fractures, there's a potential increase in vascular injuries, highlighting the need for careful screening and monitoring for symptoms in patients at higher risk.

Article Abstract

Case: A 71-year-old woman presented with post-traumatic arthritis 11 months after open reduction and internal fixation for a left proximal humerus fracture (PHF) dislocation. After revision to reverse total shoulder arthroplasty (rTSA), the patient's left upper extremity was found to be avascular. An emergent thrombectomy was performed with restoration of arterial flow after removal of an acute-on-chronic axillary artery thrombus.

Conclusion: Although rare, as rTSA becomes more common for management of PHF, incidence of associated vascular injuries is likely to rise. Screening methods and clinical vigilance in diagnosis are advised for patients with anterior PHF dislocations and arterial injury risk factors.

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Source
http://dx.doi.org/10.2106/JBJS.CC.23.00681DOI Listing

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