Journal: Acta Radiologica Open

Article Title: Transcatheter arterial embolization for gastroepiploic artery aneurysms: A single-center retrospective 12 case series

doi: 10.1177/20584601261450618

Figure Lengend Snippet: Two cases of unsuccessful transcatheter arterial embolization (Case 3 & 8, , , ). A 76-year-old woman (Case 3) was transferred with sudden chest pain and hemorrhagic shock. (a) Celiac arteriography showed multiple bead-like dilated aneurysms not only in the left gastroepiploic artery (white arrow) but also in right gastroepiploic artery (black arrow). (b) Splenic arteriography demonstrated multiple bead-like dilated aneurysms in the left gastroepiploic artery (white arrow) and a saccularly expanded aneurysm (black arrowhead) in the periphery. We determined that it would be difficult to reach the target site with the catheter and abandoned endovascular treatment. A 65-year-old man (Case 8) undergoing dialysis for chronic renal failure was brought to the hospital with sudden upper abdominal pain and hemorrhagic shock. (c) Celiac arteriography showed an aneurysm at the periphery of the right gastroepiploic artery (black arrowhead). (d) When right gastroepiploic arteriography was performed (tip of the microcatheter: white arrow), the aneurysm (black arrowhead) was visualized, but the pressure of the contrast medium alone caused rupture of an artery not touched by the device, resulting in extravascular leakage (into the omentum) of the contrast medium (white arrowhead). Because we were unable to reach the target aneurysm with the catheter, we injected NBCA-Lipiodol from a distance, but this resulted in only proximal embolization.

Article Snippet: When the aneurysm was too far away to be reached by the coaxial approach, a high-flow microcatheter (Masters HF ® 2.6 Fr-125 cm long: Asahi Intecc) was used as the second catheter, and a thin non-tapered type 1.9 Fr-150 cm long microcatheter (Carnelian ® Marvel Non-Taper, Tokai Medical Products, Kasugai, Japan) as the third catheter was then passed through it to reach the target aneurysm (triple-coaxial catheter system: TCCS).

Techniques: Injection

Journal: Surgical Neurology International

Article Title: Multimodality image fusion guidance in the microcatheter navigation to cerebrospinal arteriovenous fistula: Report of the two cases

doi: 10.25259/SNI_995_2025

Figure Lengend Snippet: Transvenous embolization procedure in Case 1. (A) Vessel navigator was used to overlay the left internal jugular vein and facial vein onto the fluoroscopic image. The microcatheter was navigated through the facial vein to the shunt point. The dotted arrow indicates the microcatheter tip, the solid arrow indicates the distal access catheter tip, and the arrowhead marks the microcatheter’s trajectory. (B and C) The shunt point is embolized with coils, resulting in complete occlusion of the shunt flow.

Article Snippet: The system employed a variety of devices, including the guiding catheter (BENCHMARK 6Fr 95 cm, Penumbra, Alameda, CA, USA), distal access catheter (Guidepost 3.2Fr-3.4Fr 120 cm, Tokai Medical Products, Aichi, Japan), microcatheter (Headway Duo 156 cm, MicroVention, Aliso Viejo, CA, USA; DeFrictor nano 1.3/2.2Fr 165 cm, Asahi Intecc, Aichi, Japan), and microguidewire (Traxcess 012/014, MicroVention, Aliso Viejo, CA, USA; CHIKAI X010, Asahi Intecc, Aichi, Japan).

Techniques:

Journal: Surgical Neurology International

Article Title: Multimodality image fusion guidance in the microcatheter navigation to cerebrospinal arteriovenous fistula: Report of the two cases

doi: 10.25259/SNI_995_2025

Figure Lengend Snippet: Representative fluoroscopic images demonstrating microcatheter navigation using the multimodal image fusion guidance in Case 1. Preoperative CT venography was fused with real-time fluoroscopy to visualize the venous anatomy. (A-C) The image demonstrates navigation of the microcatheter from the anterior facial vein into the SOV and subsequently to the shunt pouch.The arrow indicates the tip of the microcatheter, and the arrowhead indicates the tip of the micro guide wire.(D) Angiographic image obtained after advancement to just proximal to the shunt pouch.

Article Snippet: The system employed a variety of devices, including the guiding catheter (BENCHMARK 6Fr 95 cm, Penumbra, Alameda, CA, USA), distal access catheter (Guidepost 3.2Fr-3.4Fr 120 cm, Tokai Medical Products, Aichi, Japan), microcatheter (Headway Duo 156 cm, MicroVention, Aliso Viejo, CA, USA; DeFrictor nano 1.3/2.2Fr 165 cm, Asahi Intecc, Aichi, Japan), and microguidewire (Traxcess 012/014, MicroVention, Aliso Viejo, CA, USA; CHIKAI X010, Asahi Intecc, Aichi, Japan).

Techniques:

Journal: Surgical Neurology International

Article Title: Multimodality image fusion guidance in the microcatheter navigation to cerebrospinal arteriovenous fistula: Report of the two cases

doi: 10.25259/SNI_995_2025

Figure Lengend Snippet: Transvenous embolization procedure in Case 2. (A) Vessel navigator was utilized to overlay the inferior vena cava, superior vena cava, and hemiazygos vein onto the fluoroscopic image, facilitating guidance of the catheter to the hemiazygos vein. (B) The microcatheter is navigated from the hemiazygos vein to the epidural venous plexus. The dotted arrow indicates the microcatheter tip, solid arrow indicates the distal access catheter tip, and arrowhead indicates the trajectory of the microcatheter. (C) Fluoroscopic image demonstrating coil embolization of the epidural venous plexus.

Article Snippet: The system employed a variety of devices, including the guiding catheter (BENCHMARK 6Fr 95 cm, Penumbra, Alameda, CA, USA), distal access catheter (Guidepost 3.2Fr-3.4Fr 120 cm, Tokai Medical Products, Aichi, Japan), microcatheter (Headway Duo 156 cm, MicroVention, Aliso Viejo, CA, USA; DeFrictor nano 1.3/2.2Fr 165 cm, Asahi Intecc, Aichi, Japan), and microguidewire (Traxcess 012/014, MicroVention, Aliso Viejo, CA, USA; CHIKAI X010, Asahi Intecc, Aichi, Japan).

Techniques: