Delayed upstream migration of an iliac stent.
E Civilini1, G Melissano, D Baccellieri
1Scientific Institute H. San Raffaele, Vita-Salute University-School of Medicine, Via Olgettina 60, 20132 Milan, Italy. civilini.efrem@hsr.it
Summary
Iliac stent migration is a rare complication after peripheral endovascular procedures. This case highlights an unusual stent movement causing acute limb ischemia, requiring combined surgical and endovascular intervention.
Area of Science:
- Vascular Surgery
- Interventional Cardiology
- Endovascular Treatments
Background:
- Stent migration is a known complication following peripheral endovascular treatments.
- Iliac artery stenting is a common procedure for treating peripheral artery disease.
Observation:
- A patient developed acute limb ischemia one month after successful aorto-iliac endoarterectomy and left external iliac artery stenting.
- Angiography revealed a right iliac artery thrombosis caused by the stent migrating from the left external iliac artery to the right common iliac artery.
Findings:
- The migrated stent caused significant obstruction in the right common iliac artery, leading to acute ischemia.
- A combined surgical and endovascular approach was successfully employed to manage the stent migration and restore blood flow.
Implications:
- This case underscores the potential for unusual stent migration patterns, even after technically successful procedures.
- Understanding the biomechanics of stent deployment and vessel interaction is crucial for preventing such complications.
- Turbulent flow and arterial wall remodeling are potential contributing factors to stent migration in the iliac arteries.
