Mx of COPD

Question 1

What is the first line of medical management of COPD?

Answer 1

SABA or SAMA

Question 2

What is the second line of medical management of COPD?

Answer 2

IF
1. FEV1 > 50

• Regular LAMA /LABA
  2. FEV1 < 50
• Regular LAMA/LABA
• ICS

Question 3

What is the final step of medical management of COPD?

Answer 3

1. Regular LAMA
and
2. Regular LABA
and
3. ICS
3/3

Question 4

When should long term oxygen therapy be considered?

Answer 4

Pa O2 < 7.3 kPa when stable

or

PaO2 < 8 with pulmonary hpt/peripheral oedema etc

Question 5

What is LTOT?

Answer 5

Continous O2 at home for atleast 15 hours a day

Question 6

What are the risks of administering O2 therapy?

Answer 6

Hypercapnia is cause of respiratory drive thus over ventilation can lead to loss of respiratory effort.

Question 7

What are the target O2 saturations in COPD?

Answer 7

1. retain CO2 - 88-92% titrated by venturi mask
2. not retaining CO2 and their bicarbonate is normal (meaning they do not normally retain CO2) then give oxygen to aim for oxygen saturations > 94%

Question 8

Which masks are used for oxygen therapy in COPD?

Answer 8

Venturi maks as they deliver a specific conc of oxygen.