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Type III endoleak from a thoracic aortic stent-graft
Conrad Lange1, Asbjørn Ødegård, Jan Lundbom
1Department of Surgery, St. Olav's Hospital, University Hospital of Trondheim, Norway. conrad.lange@rit.no
Summary
A late complication of Excluder thoracic endografts, a type III endoleak, is reported. Minimizing this risk is crucial for routine use in thoracic aortic aneurysm repair.
Area of Science:
- Vascular Surgery
- Endovascular Repair
- Aortic Aneurysm Treatment
Background:
- Thoracic aortic aneurysms require advanced treatment strategies.
- Endovascular repair offers a less invasive approach for complex aortic pathologies.
- Excluder endografts are utilized for thoracic aortic aneurysm repair.
Observation:
- A 78-year-old male with a history of thoracoabdominal aortic aneurysm repair developed a proximal thoracic aortic aneurysm.
- Two Excluder endoprostheses were implanted to repair the thoracic aneurysm.
- A type III endoleak was detected 12 months post-implantation due to a fabric defect in the stent-graft.
Findings:
- The type III endoleak originated from a hole in the stent-graft fabric, not component fracture.
- An additional Excluder device was successfully implanted to seal the endoleak.
- The repair has remained effective for 6 months post-intervention.
Implications:
- Late-onset type III endoleaks are a potential complication of Excluder thoracic endografts.
- Fabric integrity and sealing mechanisms are critical for long-term endograft success.
- Further research is needed to minimize endoleak risks for routine thoracic endograft procedures.
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