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In Vitro Head-to-Head Comparison of Flow Reduction between Fibered and Non-Fibered Pushable Coils.
Neurointervention
March 2024
Department of Radiology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea.
Purpose: To compare the embolization effects of a non-fibered pushable coil with a conventional fibered pushable coil in an in vitro bench-top experiment.
Materials And Methods: A simplified vascular phantom with 4 channels (1 for the non-fibered coil, 1 for the fibered coil, and 2 for continuous circuit flow) was used. A single coil of the longest length was inserted to evaluate the effect of single-coil embolization, and 3 consecutive coils were inserted to assess the effect of multiple-coil embolization.
Comparison of Fibered versus Nonfibered Coils for Venous Embolization in an Ovine Model.
J Vasc Interv Radiol
May 2023
Department of Radiology, Division of Interventional Radiology, University of Pennsylvania, Philadelphia, Pennsylvania.
Purpose: To compare nylon fibered (F) with nonfibered (NF) coils for embolization in an ovine venous model.
Materials And Methods: Four- to 8-mm-diameter, 0.035-inch F and NF coils were deployed in 24 veins in 6 sheep.
Nonfibered Packing Coil Embolization of Pulmonary Artery Pseudoaneurysm Resulting in a Delayed Endobronchial Coil Migration.
J Vasc Interv Radiol
April 2021
Department of Radiology and Biomedical Imaging, Division of Interventional Radiology, University of California, San Francisco, 505 Parnassus Avenue, M-361, San Francisco, CA 94143.
Migration of Nonfibered Packing Coils Used to Treat Peripheral Pseudoaneurysms: Report of 3 Cases.
J Vasc Interv Radiol
November 2019
Midwest Radiological Associates, St. Louis, Missouri.
Coil migration is a rare complication of vascular embolization. This report describes 3 cases of peripheral pseudoaneurysm embolization with the use of Penumbra packing coils in which coils migrated into the lumens of adjacent viscera: 2 into the duodenum and 1 into the vagina. The coils passed spontaneously in 2 cases and required endoscopic removal in the third.
View Article and Find Full Text PDFGiant high-flow type pulmonary arteriovenous malformation: coil embolization with flow control by balloon occlusion and an anchored detachable coil.
Korean J Radiol
May 2012
Department of Radiology, Gifu University Hospital, Gifu 501-1194, Japan.
Pulmonary arteriovenous malformations (PAVMs) are often treated by pushable fibered or non-fibered microcoils, using an anchor or scaffold technique or with an Amplatzer plug through a guiding sheath. When performing percutaneous transcatheter microcoil embolization, there is a risk of coil migration, particularly with high-flow type PAVMs. The authors report on a unique treatment in a patient with a giant high-flow PAVM whose nidus had a maximum diameter of 6 cm.
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