Beneficial Effects from β -Adrenergic Blockade in Elderly Patients Undergoing Noncardiac Surgery Beta-blockade did not change neuroendocrine stress response Lower Narcotic Requirement Groups II and III – 27.7% less fentanyl Lower Anesthetic Requirements Group III – 37.5% less isoflurane (BIS same in all groups) Lower PACU Morphine requirements Shorter PACU times
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