COPD

Question 1

Cessation for ___ before surgery decreases carboxyhemoglobin levels.

Answer 1

48 hours

Question 2

Cessation for ___weeks before surgery has been shown to decrease the incidence of postoperative pulmonary complications.

Answer 2

4 to 6

Question 3

Cessation for ____ before surgery results in all of the previous benefits plus improved ciliary function, improved pulmonary mechanics, and reduced sputum production.

Answer 3

2 to 3 months

Question 4

What factors may determine the need for postoperative mechanical ventilation in COPD patients? (3)

Answer 4

1) Resting PaCO2 >45 to 50
2) FEV1 <1 L
3) FVC <50 to 70%