A migrated aortic stent graft causing erosive spondylopathy

Area of Science:

• Vascular Surgery
• Interventional Radiology
• Spinal Complications

Background:

• Endovascular stent graft implantation is a common procedure for aortic pathologies.
• Complications can arise post-implantation, necessitating vigilant monitoring.
• Patient history of aortic stent graft placement is crucial for diagnosing delayed symptoms.

Observation:

• A patient presented with persistent back pain four months after aortic stent graft surgery.
• Imaging revealed significant stent migration, kink formation, and endoleakage.
• The migrated stent eroded the aortic wall and caused vertebral necrosis.

Findings:

• Stent migration led to catastrophic aortic wall destruction and vertebral bone death.
• Endoleakage contributed to the degenerative process.
• The mechanical pressure and inflammatory response from the migrated stent were the primary drivers of tissue damage.

Implications:

• This case highlights the potential for severe, delayed complications from aortic stent grafts.
• Early detection and intervention are critical for managing stent migration and associated spinal damage.
• Surgical explantation may be necessary in complex cases to prevent life-threatening consequences.