ARDS was defined when PaO(2) was < 15 kPa (112 mmHg) when ventilated with PEEP 10 cm H(2)O and FiO(2) = 1.0. The effects on gas exchange were investigated by calculating the oxygenation index (OI) and the ventilation efficacy index (VEI) every 30 min for a period of 4 h
…ARDS was defined when PaO(2) was < 15 kPa (112 mmHg) when ventilated with PEEP 10 cm H(2)O and FiO(2) = 1.0. The effects on gas ex
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