Failure NIPPV (N = 21) | Successful NIPPV (N = 59) | P | |
---|---|---|---|
Sedoanalgesiab | 6(29%) | 35(59%) | 0.015 |
Agec, years | 65.00(53.00–78.00) | 74.00(60.00–82.00) | 0.148 |
Maleb | 11 (52%) | 44 (75%) | 0.098 |
APACHEII at ICU admissiona | 18.57 ± 5.31 | 18.61 ± 7.14 | 0.982 |
APACHEII before extubationa | 10.86 ± 4.78 | 10.76 ± 4.58 | 0.936 |
NIPPV before mechanical ventilationb | 7(33%) | 15(25%) | 0.486 |
Diagnosis | |||
Pneumoniab | 13(62%) | 36(61%) | 0.943 |
AECOPDb | 6(29%) | 19(32%) | 0.758 |
Otherb | 2(10%) | 4(7%) | 0.682 |
Interface | 0.426 | ||
Oral-nasal maskb | 18(86%) | 54(92%) | |
Nasal maskb | 3(14%) | 5(8%) | |
Before extubation | |||
OIa | 255.23 ± 61.49 | 241.54 ± 74.89 | 0.455 |
pHa | 7.44 ± 0.02 | 7.43 ± 0.04 | 0.365 |
PaCO2 a, mmHg | 46.54 ± 11.03 | 49.75 ± 10.82 | 0.249 |
Body temperaturea | 36.80 ± 0.45 | 36.83 ± 0.48 | 0.874 |
SBPa, mmHg | 137.29 ± 19.73 | 139.17 ± 21.10 | 0.722 |
DBPa, mmHg | 71.81 ± 11.66 | 74.75 ± 11.97 | 0.334 |
RRa, bpm | 21.43 ± 5.56 | 21.63 ± 5.60 | 0.889 |
HRa, bpm | 103.10 ± 15.39 | 103.68 ± 17.37 | 0.892 |
Arterial blood gases half an hour after NIPPV initiated | |||
OIa | 210.00 ± 62.18 | 259.80 ± 273.49 | 0.413 |
pHa | 7.42 ± 0.06 | 7.44 ± 0.04 | 0.101 |
PaCO2 a, mmHg | 51.22 ± 13.61 | 50.27 ± 12.43 | 0.768 |
IPAPmaxa, cmH2O, | 12.81 ± 2.56 | 12.90 ± 2.40 | 0.887 |
EPAPmaxa, cmH2O, | 5.71 ± 1.27 | 5.42 ± 0.97 | 0.281 |
RASS | 0.294 | ||
-2 to 0 pointb | 3(14%) | 15(22%) | |
1 to 2 pointb | 18(86%) | 44(78%) |