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INTERVENTIONAL RADIOGRAPHY > EMBOLIC AGENTS > Flashcards

EMBOLIC AGENTS Flashcards

1
Q

Temporary EAs period

A

Autologous Blood Clot
-2 wks
Gelfoam
-2mos - 4 mos
Oxycell
-4mos

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2
Q

ABC [mat]

A

Patient’s blood

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3
Q

ABC [Moa)]

A

10 cc blood from pt - sterile container - let it clot - aspiration - inject

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4
Q

ABC [and]

A

Lox cost and toxicity

Rapid lysis

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5
Q

ABC [indi]

A

Acute Gastric Hemorrhage - peptic ulcer

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6
Q

Gelfoam [mat]

A

Gelatin sponge

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7
Q

Gelfoam [moa]

A

Fragments and sheet - 44mm diameter; proximal
Gelfoam powder - 40-60 diameter;distal

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8
Q

Gelfoam [and]

A

Promotes blood clot
Rapid contamination of bacteria

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9
Q

Gelfoam [indication]

A

Control Hemorrhage

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10
Q

Oxycell [mat]

A

Cotton like mat oxidized cellulose

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11
Q

Oxycell [moa]

A

Cut into fragments-introduce to vessel

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12
Q

Oxycell [adv]

A

Makes clot firmer when added with blood

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13
Q

Oxycell [indi]

A

Control Hemorrhage

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14
Q

Ivalon PVA sponge [mat]

A

Biologically inert pva sponge-expandable and compressible 100-200um

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15
Q

Ivalon - PVA sponge [moa]

A

Invaded by fibroblast amd with with dense connective tissue forming around sponge

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16
Q

Ivalon PVA Sponge [disadv]

A

Cumbersome and high injection pressure

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17
Q

Ivalon PVA Sponge [indi]

A

Ideal for AVM

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18
Q

Microspheres/embospheres [mat]

A

Stainless steel, acrylic, silicone

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19
Q

Microspheres/embospheres [mat]

A

Stainless steel
Acrylic
Silicone

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20
Q

Microspheres/embospheres [moa]

A

Introduced thru catheter and advanced to vessel

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21
Q

Microspheres/embospheres [and]

A

Easy to fuoroscope
Irreversible

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22
Q

Microspheres/embospheres [indi]

A

Hypervascular tumor

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23
Q

IBCA [mat]

A

Ethiodol - tissue adhesive and liquid plastic

24
Q

IBCA [moa]

A

Polymerization

25
IBCA [and]
Rapid occulusion Critical to assure coreect lvl of occlusion
26
IBCA [indi]
Organ ablation
27
Absolute alcohol [mat]
Nonionic cm Anhydrous property
28
Absolute alcohol [moa]
Dehydration and thrombolization
29
Absolute alcohol [and]
PO Toxic
30
Absolute alcohol [indi]
Tumor
31
Slicone Rubber Mixture [mat]
Tantalum powder anf silastic elastomer 382
32
Slicone Rubber Mixture [catalysts]
Dow-corning catalyst M Co linear ethyl silicate
33
Slicone Rubber Mixture [moa]
Solidifies immed
34
Slicone Rubber Mixture [and]
PO non adhesive property
35
Slicone Rubber Mixture [indi]
Aneurysm
36
Hot contrast media [mat]
Boil 100 C Saline solution
37
Hot contrast media [and]
Promotes blood clot Endothelial damage
38
Hot contrast media [indi]
Cervical parathyroid adenoma
39
Silk Tufts [mat]
biocampatible, synthetic silk
40
Silk Tufts [MOA]
induce thrombosis
41
Silk Tufts [and]
low cost mild inflam w/o destruction
42
Silk Tufts[indi]
post-nephrectomy of AV fistula
43
Detachable Coils [mat]
platinum or stainless steel
44
Detachable Coils [MOA]
induce thrombosis (w/ add wood stands/synthetic fibers)
45
Detachable Coils [indi]
Gianturco pre-op bleeding of tumors
46
Bristle Brushes [mat]
small nylon
47
Detachable Coils [MOA]
induce thrombosis
48
Detachable Coils [and]
low cost mild inflam
49
Detachable Coils [indi]
AVM
50
Detachable Balloons [mat]
latex or silicone
51
Detachable Coils [MOA]
fills lumen of vessels
52
Detachable Coils [and]
no influx or reflux expensive and tendency to deflate
53
tapered one -end hole
coils gelfoam ivalon particles fluid agents
54
coaxial catheter sytem
soft polymetric silicone peritoneal catheter IBCA small particulate agents
55
non tapered teflon
spider placements compressed ivalon

INTERVENTIONAL RADIOGRAPHY (10 decks)

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