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Multilayer flow modulator stents in aortic aneurysms: an overview based on preliminary experience
Omer Tanyeli1, Sefer Kaya2, Metin Onur-Beyaz2
1Department of Cardiovascular Surgery, Meram Faculty of Medicine, Konya.
Cirugia Y Cirujanos
|October 15, 2025
Summary
The multilayer flow modulator (MFM) approach, using the Stena MFM (S-MFM), shows promise for complex aortic aneurysms. This method successfully treated patients, shrinking aneurysms and reducing risks.
Area of Science:
- Vascular Surgery
- Medical Devices
- Aortic Aneurysm Treatment
Background:
- Complex aortic aneurysms pose high risks for traditional repair methods.
- The multilayer flow modulator (MFM) is an emerging technology for aneurysm repair.
Purpose of the Study:
- To analyze the efficacy of the multilayer flow modulator (MFM) approach.
- Evaluate outcomes in patients treated with the Stena MFM (S-MFM).
Main Methods:
- Retrospective analysis of 12 patients treated with S-MFM between July and December 2022.
- Patients were at high risk for open or endovascular aortic repair (TEVAR/FEVAR).
- 6-month follow-up outcomes were assessed.
Main Results:
- 100% technical success with no immediate interventions required.
- Successful patency of the aorta and branches confirmed by angiography.
- Complete aneurysm thrombosis observed in all patients at 6-month CT angiography.
- No significant complications like ruptures, migrations, or thrombosis occurred.
Conclusions:
- The MFM approach is a potentially attractive alternative for complex aortic aneurysms.
- MFM effectively shrinks the aneurysm sac and preserves side branch blood flow.
- This method may reduce mortality and morbidity risks associated with aneurysm repair.
