Methods: Non-randomized control trial, seventy two patients undergoing elective surgeries with a standardized sevoflurane-sufentanil-rocuronium anesthetic technique received either sugammadex, 2 mg / kg IV (n = 36), or neostigmine, 40 microg / kg IV and atropine, 10 microg / kg IV (n = 36) for reversal of neuromuscular blockade at reappearance of the second twitch of the TOF.