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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
Q

IBCA [and]

A

Rapid occulusion
Critical to assure coreect lvl of occlusion

26
Q

IBCA [indi]

A

Organ ablation

27
Q

Absolute alcohol [mat]

A

Nonionic cm
Anhydrous property

28
Q

Absolute alcohol [moa]

A

Dehydration and thrombolization

29
Q

Absolute alcohol [and]

A

PO
Toxic

30
Q

Absolute alcohol [indi]

A

Tumor

31
Q

Slicone Rubber Mixture [mat]

A

Tantalum powder anf silastic elastomer 382

32
Q

Slicone Rubber Mixture [catalysts]

A

Dow-corning catalyst M
Co linear ethyl silicate

33
Q

Slicone Rubber Mixture [moa]

A

Solidifies immed

34
Q

Slicone Rubber Mixture [and]

A

PO
non adhesive property

35
Q

Slicone Rubber Mixture [indi]

A

Aneurysm

36
Q

Hot contrast media [mat]

A

Boil 100 C
Saline solution

37
Q

Hot contrast media [and]

A

Promotes blood clot
Endothelial damage

38
Q

Hot contrast media [indi]

A

Cervical parathyroid adenoma

39
Q

Silk Tufts [mat]

A

biocampatible, synthetic silk

40
Q

Silk Tufts [MOA]

A

induce thrombosis

41
Q

Silk Tufts [and]

A

low cost

mild inflam w/o destruction

42
Q

Silk Tufts[indi]

A

post-nephrectomy of AV fistula

43
Q

Detachable Coils [mat]

A

platinum or stainless steel

44
Q

Detachable Coils [MOA]

A

induce thrombosis (w/ add wood stands/synthetic fibers)

45
Q

Detachable Coils [indi]

A

Gianturco
pre-op bleeding of tumors

46
Q

Bristle Brushes [mat]

A

small nylon

47
Q

Detachable Coils [MOA]

A

induce thrombosis

48
Q

Detachable Coils [and]

A

low cost

mild inflam

49
Q

Detachable Coils [indi]

A

AVM

50
Q

Detachable Balloons [mat]

A

latex or silicone

51
Q

Detachable Coils [MOA]

A

fills lumen of vessels

52
Q

Detachable Coils [and]

A

no influx or reflux

expensive and tendency to deflate

53
Q

tapered one -end hole

A

coils
gelfoam
ivalon particles
fluid agents

54
Q

coaxial catheter sytem

A

soft polymetric silicone peritoneal catheter

IBCA
small particulate agents

55
Q

non tapered teflon

A

spider placements
compressed ivalon

INTERVENTIONAL RADIOGRAPHY (10 decks)

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