EMBOLIC AGENTS Flashcards
Temporary EAs period
Autologous Blood Clot
-2 wks
Gelfoam
-2mos - 4 mos
Oxycell
-4mos
ABC [mat]
Patient’s blood
ABC [Moa)]
10 cc blood from pt - sterile container - let it clot - aspiration - inject
ABC [and]
Lox cost and toxicity
Rapid lysis
ABC [indi]
Acute Gastric Hemorrhage - peptic ulcer
Gelfoam [mat]
Gelatin sponge
Gelfoam [moa]
Fragments and sheet - 44mm diameter; proximal
Gelfoam powder - 40-60 diameter;distal
Gelfoam [and]
Promotes blood clot
Rapid contamination of bacteria
Gelfoam [indication]
Control Hemorrhage
Oxycell [mat]
Cotton like mat oxidized cellulose
Oxycell [moa]
Cut into fragments-introduce to vessel
Oxycell [adv]
Makes clot firmer when added with blood
Oxycell [indi]
Control Hemorrhage
Ivalon PVA sponge [mat]
Biologically inert pva sponge-expandable and compressible 100-200um
Ivalon - PVA sponge [moa]
Invaded by fibroblast amd with with dense connective tissue forming around sponge
Ivalon PVA Sponge [disadv]
Cumbersome and high injection pressure
Ivalon PVA Sponge [indi]
Ideal for AVM
Microspheres/embospheres [mat]
Stainless steel, acrylic, silicone
Microspheres/embospheres [mat]
Stainless steel
Acrylic
Silicone
Microspheres/embospheres [moa]
Introduced thru catheter and advanced to vessel
Microspheres/embospheres [and]
Easy to fuoroscope
Irreversible
Microspheres/embospheres [indi]
Hypervascular tumor
IBCA [mat]
Ethiodol - tissue adhesive and liquid plastic
IBCA [moa]
Polymerization
IBCA [and]
Rapid occulusion
Critical to assure coreect lvl of occlusion
IBCA [indi]
Organ ablation
Absolute alcohol [mat]
Nonionic cm
Anhydrous property
Absolute alcohol [moa]
Dehydration and thrombolization
Absolute alcohol [and]
PO
Toxic
Absolute alcohol [indi]
Tumor
Slicone Rubber Mixture [mat]
Tantalum powder anf silastic elastomer 382
Slicone Rubber Mixture [catalysts]
Dow-corning catalyst M
Co linear ethyl silicate
Slicone Rubber Mixture [moa]
Solidifies immed
Slicone Rubber Mixture [and]
PO
non adhesive property
Slicone Rubber Mixture [indi]
Aneurysm
Hot contrast media [mat]
Boil 100 C
Saline solution
Hot contrast media [and]
Promotes blood clot
Endothelial damage
Hot contrast media [indi]
Cervical parathyroid adenoma
Silk Tufts [mat]
biocampatible, synthetic silk
Silk Tufts [MOA]
induce thrombosis
Silk Tufts [and]
low cost
mild inflam w/o destruction
Silk Tufts[indi]
post-nephrectomy of AV fistula
Detachable Coils [mat]
platinum or stainless steel
Detachable Coils [MOA]
induce thrombosis (w/ add wood stands/synthetic fibers)
Detachable Coils [indi]
Gianturco
pre-op bleeding of tumors
Bristle Brushes [mat]
small nylon
Detachable Coils [MOA]
induce thrombosis
Detachable Coils [and]
low cost
mild inflam
Detachable Coils [indi]
AVM
Detachable Balloons [mat]
latex or silicone
Detachable Coils [MOA]
fills lumen of vessels
Detachable Coils [and]
no influx or reflux
expensive and tendency to deflate
tapered one -end hole
coils
gelfoam
ivalon particles
fluid agents
coaxial catheter sytem
soft polymetric silicone peritoneal catheter
IBCA
small particulate agents
non tapered teflon
spider placements
compressed ivalon