Table 2.

Summary of clinically used embolic agents

Embolic Agents	Description	Examples of Clinical Applications	Permanent?	Instant Hemostasis?	Effective with Coagulopathies?	Imaging Artifact-free?	Easy to Deliver?	Cost per procedure?
Coils	Mechanical occlusion device Multiple thin wires packed into vasculature	Hemorrhage control and aneurysm embolization	Yes	No	No	No	No	$$-$$$$$
Particulates	Irregular shaped particles or calibrated microspheres Flow driven delivery to targeted sites	Hypervascular tumor (i.e., TACE), uterine fibroids and prostate artery embolization	Yes	No	No	Yes	No	$$-$$$$
Gelfoam Embolics	Pieces of solid gelfoam cut up and mixed into slurry Gel foam powder	Hemorrhage control and TACE	No	No	No	Yes	No	$
Liquid Embolics	Injectable liquid allows for small vessel occlusion	AVM embolization	Yes	Yes	Yes	No	No	$$$$$