Table 1. Parameters of the six included resuscitation protocols.
| Group | In.V.a | Oxygen | C:V ratiob | Time to asystolec | Time to ROSCd |
|---|---|---|---|---|---|
| 1 (n = 21) | 30 s | 100% | 3:1 | 28.0 (24.0–35.0) | 135 (121–168) |
| 2 (n = 32) | 30 s | 21% | 3:1 | 32.5 (27.8–35.5) | 146 (125–173) |
| 3 (n = 21) | 60 s | 21% | 3:1 | 32.0 (29.0–35.0) | 170 (146–184) |
| 4 (n = 8) | 90 s | 21% | 3:1 | 33.0 (30.3–36.0) | 250 (202.5–330) |
| 5 (n = 16) | 30 s | 21% | 9:3 | 35.0 (30.8–40.3) | 145 (118–173) |
| 6 (n = 12) | 30 s | 21% | 15:2 | 37.0 (33.5–39.0) | 195 (155–315) |
aInitial Ventilation.
bCompression to ventilation ratio.
c,dTime in seconds (median and IQR) to asystole and return of spontaneous circulation (ROSC), respectively. The remaining 15 animals were resuscitated using varying parameters and are excluded in most analyses.