OI = MAP x FiO2 x 100 / PaO2
  • Refer to the:
  • Sustained elevation and no improvement
  • OI > 40 > 4 hours, or > 25 > 48 hours with iNO
  • Preductal saturation <90% on FiO2 100%
  • Pre/post ductal saturation difference > 20%
  • Barotrauma
Consider:
  • Sedation or a neuromuscular blockade
For pneumonia, aspiration syndromes, and/or effusions:
  • Surfactant
  • High PEEP strategy
  • HFOV with increased MAP to optimize lung volume
  • Chest tube(s)
For PPHN:
  • Optimize lung volume
  • Inhaled pulmonary vasodilators
  • Prostaglandin E1
For Air Leak Syndromes:
  • Chest tube(s)
  • Low PEEP vs HFOV vs HFJV

Is there any improvement?