From: Apnoeic oxygenation for emergency anaesthesia of pre-hospital trauma patients
Peri intubation phase 2 min pre to 2 min post intubation | Standard | Intervention | P value | |
---|---|---|---|---|
Median SaO2 (IQR) | All patients | 100 (96,100) | 99 (96,100) | p = 0.0001 |
No hypoxia | 100 (98,100) | 100 (98,100) | p = 1.00 | |
Mild Moderate hypoxia | 94 (83,97.75) | 94 (88,99) | p = 1.00 | |
Severe hypoxia | 79 (66.5,86) | 83 (77,95) | p = 0.28 | |
Total post intubation values / total 90 or less (% difference) | All patients | 106/653 (16.2) | 560/3659 (15.3) | 0.546 |
No hypoxia | 24/380 (6.3) | 54/1492 (3.6) | 0.02 | |
Mild Moderate hypoxia | 28/72 (38.9) | 131/386 (33.9) | 0.947 | |
Severe hypoxia | 41/51 (80.4) | 118/177 (66.7) | 0.195 | |
Total post intubation values / total 85 or less (% difference) | All patients | 65/653 (10.0) | 340/3659 (9.3) | 0.864 |
No hypoxia | 7/380 (1.8) | 20/1492 (1.3) | 0.466 | |
Mild Moderate hypoxia | 11/71 (15.3) | 61/386 (15.8) | 0.947 | |
Severe hypoxia | 34/51 (66.7) | 100/177 (56.5) | 0.195 | |
Post intubation phase (intubation - 10 min) | All patients | 177/1464 (12.1) | 959/8037 (11.9) | 0.864 |
Total post intubation values / total 90 or less (% difference) | No hypoxia | 43/1126 (3.8) | 254/5928 (4.3) | 0.476 |
Mild Moderate hypoxia | 39/164 (23.8) | 377/1424 (26.5) | 0.458 | |
Severe hypoxia | 93/160 (58.1) | 384/759 (50.6) | 0.084 | |
Recovery phase (2 min post intubation to 10 min post intubstion | All patients | 139/1221 (11.4) | 728/6396 (11.4) | 0.998 |
Total post intubation values / total 90 or less (% difference) | No hypoxia | 33/941 (3.5) | 204/5121 (4.0) | 0.488 |
Mild Moderate hypoxia | 31/138 (22.5) | 280/1128 (24.2) | 0.544 | |
Severe hypoxia | 73/133 (54.9) | 234/746 (31.4) | 3.06E-07 | |
Median SpO2 (IQR) | All patients | 100 (96,100) | 99 (96,100) | p = 0.0001 |
No hypoxia | 100 (98,100) | 100 (98,100) | p = 1.00 | |
Mild Moderate hypoxia | 94 (83,97.75) | 94 (88,99) | p = 1.00 | |
Severe hypoxia | 79 (66.5,86) | 83 (77,95) | p = 0.28 | |
Total 90 or less / total peri intubation values (% difference) | All patients | 106/653 (16.2) | 560/3659 (15.3) | 0.546 |
No hypoxia | 24/380 (6.3) | 54/1492 (3.6) | 0.02 | |
Mild Moderate hypoxia | 28/72 (38.9) | 131/386 (33.9) | 0.947 | |
Severe hypoxia | 41/51 (80.4) | 118/177 (66.7) | 0.195 | |
Total 85 or less / total peri intubation values (% difference) | All patients | 65/653 (10.0) | 340/3659 (9.3) | 0.864 |
No hypoxia | 7/380 (1.8) | 20/1492 (1.3) | 0.466 | |
Mild Moderate hypoxia | 11/71 (15.3) | 61/386 (15.8) | 0.947 | |
Severe hypoxia | 34/51 (66.7) | 100/177 (56.5) | 0.195 | |
Post intubation phase (intubation - 10 min) | All patients | 177/1464 (12.1) | 959/8037 (11.9) | 0.864 |
Total 90 or less / total post intubation values (% difference) | No hypoxia | 43/1126 (3.8) | 254/5928 (4.3) | 0.476 |
Mild Moderate hypoxia | 39/164 (23.8) | 377/1424 (26.5) | 0.458 | |
Severe hypoxia | 93/160 (58.1) | 384/759 (50.6) | 0.084 | |
Recovery phase (2 min post intubation to 10 min post intubation) | All patients | 139/1221 (11.4) | 728/6396 (11.4) | 0.998 |
Total 90 or less / total post intubation values (% difference) | No hypoxia | 33/941 (3.5) | 204/5121 (4.0) | 0.488 |
Mild Moderate hypoxia | 31/138 (22.5) | 280/1128 (24.2) | 0.544 | |
Severe hypoxia | 73/133 (54.9) | 234/746 (31.4) | p < 0.0001 |