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Sufentanil is a new synthetic opiate analgesic that is 4520 times more potent than morphine in animal experiments. This study evaluated the cardiovascular effects of sufentanil, 15 micrograms/kg, and air/O2 used as a complete anesthetic with 50% inspired oxygen (air/O2 mixture) in 40 adult patients undergoing elective or emergency cardiac surgery.(More)
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