La administración de sufentanil intratecal pero no la sistémica reduce el consumo de propofol para sedación guiada mediante índice bi-espectral

The addition of 2.5 μg or 5 μg of intrathecal sufentanil to HBB reduces MID, TPD, and consumption of propofol in patients undergoing spinal anesthesia; the addition of 5 μg of subcutaneous sufentanil does not produce this effect.