PULMONARY RESECTION

1. PFTS- FEV1, DLCO > 60%?
1. YES à OR
2. NO à Quant V/Q Scan
2. Quant V/Q Scan- predicted FEV1 and DLCO > 35-40%?
1. YES à OR
2. NO à CPET
3. CPET- VO2max > 15-20 ml/kg/min?
1. YES à OR
2. NO à NO OR

Post laparotomy:

1. FVC decreases ~50% for first few days
2. pO2 drops ~12mmHg

Post cardiac surgery:

1. ARDS 2%
2. FVC drops ~60%
3. MIP drops 17%
4. MEP drops 47%