Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

R9 > Chapter 61 - Endovascular therapeutic techniques > Flashcards

Chapter 61 - Endovascular therapeutic techniques Flashcards

1
Q

Single-operator exchange system balloon

A

Monorail Rapid exchange wire exits from side hole 20-25 cm proximal to balloon

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Pro and con of single-operator exchange system

A

1) less pushability 2) lower profile 3) single operator 4) cannot exchange wire with it

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

material of POBA

A

plastic polymer usually

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Compliance definition

A

degree of expansive ability of the balloon

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Nominal pressure

A

Pressure at which balloon expands to determined diameter and length

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Rated burst pressure define

A

< 1% of test balloons will burst beyond this point

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Mean burst pressure

A

when 50% balloons will rupture

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Compliant balloon material

A

polyolefin copolymer polyethylene

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Compliant balloon pro and con

A

1) better trackability 2) single balloon can be used for different sizes 3) doggie bone effect that can damage nearby vessel segments 4) provides less damage overall

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Non-complaint balloon pro and con

A

= high pressure or low compliance balloons 1) improved radial force 2) maintain design and shape under high pressure 3) higher burst pressure

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Non-compliant balloon material

A

Polyethylene terephthalate nylon reinforced polyurethane

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Trackability pushability crossability definition

A

Trackability = over wire pushability = transmit force along length to lesion crossability = ability to cross stenotic lesion

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Uses of cutting balloons

A

1) short lesions 2) venous graft stenosis 3) bifurcation stenosis 4) no stenting zone 5) in-stent restenosis 6) HD AVF lesions 7) fem pop lesions

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Cryoplasty

A

liquid NO to generate -10C for balloon plasty no evidence

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

LEVANT 1 trial

A

1) single blinded Lutonix DCB study for fempop 2) 101 patients 3) Rutherford class 2-5 4) primary = angiographic late lumen loss 6 months 1) primary patency 72 vs 49% 6 months 2) primary patency 67 vs 55% at 12 months based on freedom from TLR, angiographic restenosis and PSVR > 2.5

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Lutonix DCB drugs

A

paclitaxel 2 mcg/mm2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

LEVANT 2

A

1) single blinded RCT 2) lutonix vs PTA 3) 476 patients 4) primary patency 65.2 vs 52.6%

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Who made the first stent

A

Charles stent - british dentist for dental molds

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

First PTA done by

A

Charles Dotter 1964

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

First balloon-expandign stent made by

A

Palmaz 1985

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Current iliac stents - table

A

TABLE 61.1

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Current SFA stents - table

A

TABLE 61.1

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

Material of balloon-expandings tents

A

1) stainless steel 2) cobalt-chromium

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

Benefit of cobalt chromium over stainless steel

A

1) Greater radial force 2) lower crossing profile 3) enhanced flexibility

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

Material of self-expanding stent

A

Nitinol nickel titanium alloy

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

Unique feature of the wallstent

A

Can be repositioned and resheathed

27
Q

Unique feature of the misago (terumo) stent

A

not overthe wire

28
Q

Pro and con of open cell confirgurationg stent

A

1) flexible 2) suscepitible to deformation 3) can bend 4) prone to plaque protrusion through strut 5) better trackability in tortuous segments

29
Q

Approval of use for the Advanta V12

A

tracheobronchial strictures PTFE encased stainless steel

30
Q

Jostent

A

Abbott 0.014 system two stainless steel stents on PTFE bail out only

31
Q

VIPER trial

A

Test Viabahn in long SFA occlusion single arm primary patency 73%

32
Q

VIASTAR trial

A

Viabahn in RCT for SFA lesion primary patency 63.1 vs 40 for BMS even better for longer lesions

33
Q

Viabahn Flair Vluency indication and design

A

Viabahn - vascular; nitinol encased in PTFE Flair - nitinol and PTFE, use in HD for AV graft anast stenosis Fluency - biliary application; luminexx (nitinol) in PTFE; stent flairs at the last 2mm

34
Q

DES types and evidence

A

SMART stent (sirolimus; cordis) - SIROCCO I and II trials : no difference in restenosis Dynalink stent (Abbott; everolimus) - STRIDES trial : no difference Zilver PTX (Cook; paclitaxel) - trial = improved patency up to 5 years Eluvia (Boston; paclitaxel based on innova stent) = IMPERIAL trial non inferior

35
Q

Multilayer flow modulator

A

1) exclude aneurysms 2) 3 dimentional braided tube with multilayer wire and no covering prosthesis 3) Cardiatis MFM 4) patency 87%; aneurysm thrombosis 93%

36
Q

Bioabsorbable stents key points

A

1) Igaki-Tamai (poly-L lactic acid) in coronary: promising 2) Biotronik (alloy with magnesium and others) 3) INSIGHT trial to test biotronik - no benefit over POBA

37
Q

SilverHawk/TurboHawk

A

Directional Arthrectomy device cutting blade rotate 8000 rpm DEFINITIVE Ca++ study: good single arm efficacy and safety profile

38
Q

Pathway jetstream

A

Rotational atherectomy drill with fluid infusion and aspiration port for debris PATHWAY trial - good success without serious events

39
Q

Diamondback 360

A

Orbital atherectomy system diamond-coated crown that orbits to break debris CONFIRM registry - benefit

40
Q

CVX300 Excimer

A

Laser arthrectomy device 308 nm wavelength

41
Q

Thromboembolectomy technologies

A

1) Fogarty balloon 2) Aspiration: Export, PriorityOne, Pronto 3) Rheolytic: Angiojet with vacuum (PEARL registry) 4) rotational: rotarex, trellis infusion catheter (hybrid of thrombolytic and aspiration with balloon trapping of treatment area) 5) Ultrasound enhanced: Ekosonic (SEATTLE II study) - microsonic device with drug delivery 6) others: Solitaire (mechanical thrombectomy with drug delivery) - Trevo stent retriever device - Indigo = vacuum

42
Q

Devices to cross CTO

A

1) Crosser (Bard): high frequency mechanical recanalization - PATRIOT trial 2) TruePath (Boston): rotating diamond-coated tip 3) Frontrunner XP (Cordis):

43
Q

Re-entry devices

A

1) Outback (Cordis): needle redirection 2) Pioneer (Volcano): IVUS guided 3) Enteer (Covidien): flat balloon + needle 4) Offfroad (Boston): balloon redirection

44
Q

Pushable coils

A

0.035 Tornado (Cook) MReye (Cook) 0.018 Tornado (Cook) Diamond (Boston) Trufill (Codman)

45
Q

Detachable coils

A

0.035 Flipper (Cook) Interlock (Boston) 0.018 GDC (Stryker) Target (Stryker) Interlock (Boston) Cashmere (Codman) Matrix 2 (Boston) Cerecyte (Micrus) Azur (Terumo)

46
Q

Plugs and size range

A

Amplazer 3-22 mm length 6-18 mm

47
Q

Oversizing of coils

A

20%

48
Q

Liquid embolic agents

A

1) Cyanoacrylate (NBCA) 2) fibrin sealant 3) Ethylene vinyl alcohol

49
Q

Exoseal closure device

A

Cordis Bioabsorbable polyglycolic acid plug absorbs in 60-90 days ECLIPSE trial

50
Q

FISH closure device

A

Femoral introducer sheath and hemostasis bioabsorbable extrallular matrix of porcine small intestinal submucosa Morris Innovative

51
Q

Mynx duration

A

30 days before dissolve

52
Q

Prostar XL sizes

A

8.5 to 10 Fr closure

53
Q

Proglide Fr sizes

A

5-8Fr with one up to 21 with two

54
Q

typical balloon sizes for different arteries

A

TABLE 61.3

55
Q

foot angiosome

A

FIGURE 61.5

56
Q

Grades of dissection after POBA

A

Grade A: small radiolucent area with lumen of vessel disappearing with passage of contrast materal Grade B: filling defect parallel to lumen of vessel, disappears with passage of contrast Grade C: dissection protruding inside lumen; persists Grade D: spiral shaped defect with delayed run off distally Grade E: persistent luminal filling defect and delayed antegrade flow Grade F: filling defect with total occlusion

57
Q

Stent needed for which grades of dissection after POBA

A

Grade C to F as long as contrast persists

58
Q

First subintimal angioplasty

A

Bolia 1989

59
Q

CART technique

A

Controlled antegrade and retrograde subintimal tracking requires two balloons to crack the plaque

60
Q

When to use a stent in POBA

A

1) > 30% resitual stenosis 2) dissection Grade C+ 3) acute occlusion

61
Q

Types of stent fractures

A

Type 0 = no # Type 1 = single strut # Type 2 = multiple strut # Type 3 = multiple strut # with stent transection Type 4: includes displacement of segments and spiral #

62
Q

Pro and con of balloon-expandable vs self-expanding stents

A

TABLE 61.4

63
Q

Oversizing self-expanding stents

A

1-2 mm

64
Q

three steps of coil embolization

A

Framing (20% oversize) Filling Finishing

R9 (200 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions