N. of patients (94 cases) | |
---|---|
Pulse-Oximetry | 89 (94,7%) |
SpO2 < 95% at room air | 6 |
Spirometry | 86 (91,5%) |
FVC < 50% and ≥ 30% of predicted | 5 |
FVC < 30% of predicted | 6 |
PCF | 42 (44,7%) |
PCF < 270 L/min | 8 |
Carbon dioxide level assessment | 35 (37,2%) |
Diurnal hypercapnia (PaCO2 ≥ 50 mmHg) | 0 |
Sleep respiratory studies | 7 (7,4%) |
Altered sleep respiratory study | 0 |
History of weak cough or recurrent respiratory illness | 4 (4,2%) |
Preoperative training in NIV | 7 (7.5%) |
Retraining in NIV | 8 (8,5%) |
Preoperative training in cough assistance | 10 (10.6%) |
Retraining in cough assistance | 6 (6,4%) |
Echocardiogram | 35 (37,2%) |
Ejection Fraction < 35% | 0 |
Preanesthetic location | |
Inpatient Ward | 90 (95,7%) |
High Dependency Unit | 4 (4,2%) |