Related Experiment Video
Updated: Feb 18, 2026
06:59
Catheter-based Endovascular Angioplasty for Fibrosing Mediastinitis-associated Pulmonary Vein Stenosis
Published on: August 26, 2025
620
[Stent Retrievers and Aspiration Catheters]
Tadashi Sunohara1, Nobuyuki Ohara, Masanori Goto
1Department of Neurosurgery, Kobe City Medical Center General Hospital.
No Shinkei Geka. Neurological Surgery
|February 17, 2026
Summary
Mechanical thrombectomy using stent retrievers (SR) or aspiration catheters (AC) showed no significant clinical outcome differences. Individualized device selection based on patient factors and device features is crucial for effective endovascular strategies.
Area of Science:
- Neurology
- Interventional Radiology
- Medical Devices
Background:
- Mechanical thrombectomy is a key treatment for acute ischemic stroke.
- Stent retrievers (SR) and aspiration catheters (AC) are primary endovascular devices.
- Optimal device selection impacts treatment efficacy.
Purpose of the Study:
- To compare clinical outcomes of SR and AC in mechanical thrombectomy.
- To provide a comprehensive summary of available SR and AC devices in Japan.
- To describe an institutional approach to individualized device selection for endovascular stroke treatment.
Main Methods:
- Analysis of data from the ASTER and ASTER 2 trials.
- Review of technical features of SR and AC devices.
- Case-based discussion of device selection strategies using the combined technique.
Main Results:
- No significant difference in clinical outcomes between SR and AC groups.
- No significant difference between SR and combined technique groups.
- Device selection requires consideration of patient characteristics, pathology, and operator expertise.
Conclusions:
- Individualized device selection is essential for effective mechanical thrombectomy.
- Understanding device-specific features (e.g., SR "sweet spots", AC diameters) is critical.
- A tailored endovascular strategy optimizes patient outcomes in stroke treatment.
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