Exam 2 - Heater-Coolers

Question 1

Heater-Cooler Functions

Answer 1

• Heat/cool Cardioplegia (usually cool)
• Regulate fluid temps going into and out of patient
• Patient blanket temp regulation

Question 2

SARNS

Answer 2

• Manufacturer of Cardiovascular equipment

- Purchased my Terumo

Question 3

Jostra

Answer 3

• Purchased by Maquet

- Common in PEDs

Question 4

Lobe

Answer 4

• Made heart-lung machines and disposable supplies

- Purchased by Sorin….and then by LivaNova

Question 5

LivaNova

Answer 5

• Most popular Heater-Cooler
• 3T
• 60% market share

Question 6

TCM

Answer 6

Temp control module

Question 7

Common Heater Coolers

Answer 7

• Terumo TCM II
• Cincy sub zero
  - only one output…cannot separately control cardioplegia
• Terumo dual H/C
  - can only heat/cool one system at a time….cooled manually via ice
• LivaNova 3T

Question 8

Why clean Heater-coolers?

Answer 8

• NTM - Non-tuberculosis micro bacteria

……can lead to TB in patients

Question 9

Cleaning 3T

Answer 9

• Fill with filtered water / Clorox solution (180ml Clorox)
• cycle between cardioplegia (10C) & patient 1 (20C) for 5min
• Create short circuits for cardioplegia, patient 1, patient 2
• open all valves and cycle 10 min
• drain device completely
• refill w/ filtered water and cycle all circuits 3 minutes
• drain device completely
• refill w/ filtered water and cycle all circuits 3 minutes
• drain device completely
• refill device with filtered water and 150 ml hydrogen peroxide
• create short circuit from cardioplegia to patient 1
• cycle 5 min and power off