Chapter 60 - Endovascular diagnostic techniques

Question 1

size of needle for regular puncture and micro puncture

Answer 1

18 gauge 21 gauge

Question 2

size of sheath with the micropuncture

Answer 2

4F

Question 3

Reasons to use larger initial access

Answer 3

1) scarred groin 2) deep vessels 3) dacron grafts harder to track 4Fr sheath over 018 wire

Question 4

18 Gauge in inches and mm

Answer 4

0.040 inch 1.024 mm

Question 5

21 gauge in inches and mm

Answer 5

0.028 inch 0.723 mm

Question 6

Color coded sheaths from 4-11

Answer 6

FIGURE 60.3

Question 7

Catheter types

Answer 7

1) Flush 2) single curve (45 degrees) 3) double curve (90 degrees) 4) reverse curve (180 degrees) 5) crossing catheter

Question 8

Flush catheter location of side holes

Answer 8

last 15 mm

Question 9

Guiding catheters

Answer 9

actually long sheaths with variety of tip shapes and no tapering allow variety of catheters to be used

Question 10

Angioseal key points

Answer 10

1) intraarterial absorbable anchor against 2) externally placed collagen sponge 3) 5mm minimum vessel 4) up to 8F hole

Question 11

Mynx device

Answer 11

1) polyethylene glycol polymer 2) close track over puncture site 3) up to 6F

Question 12

Proglide key points

Answer 12

1) polypropylene stitch 2) up to 6F

Question 13

Typical aortogram set up on power injector

Answer 13

1) 15 for 30 (15 ml/sec for total of 30 ml) 2) 50% contrast 3) pressure 800 mmHg

Question 14

Multipurpose catheters

Answer 14

FIGURE 60.7

Question 15

Endovascular diagnosis complications

Answer 15

1) hematoma 3% 2) thrombosis 2% 3) bleeding 1% 4) traumatic AVF 0.9% 5) pseudoaneurysm 0.6%

Question 16

Incidence of HIT

Answer 16

0.2%