Binaural Beats Reduce Postoperative Morphine Consumption in Older adults After Total Knee Replacement Surgery (original) (raw)

Alternative therapies in health and medicine, 2020

Abstract

Context A reduction in the use of opioids by older adult patients could reduce unpleasant side effects for them. During general anesthesia, binaural beat (BB) listening has been found to reduce intraoperative fentanyl consumption as well as postoperative pain scores and discharge time. Auditory BBs are a perceptual phenomenon occurring when tones of 2 slightly different frequencies are presented simultaneously and separately to each ear. Objective The study intended to evaluate the ability of BBs, as a nonpharmacological premedication, to reduce postoperative morphine consumption in older adults undergoing total knee replacement surgery and to modify the levels of anxiety and feelings of pain that patients experience. Design The research team designed a prospective, single-center, randomized controlled study. Setting The study was conducted in the Orthopedic Department of the Santa Maria Maddalena Hospital (Volterra [Pisa], Italy). Participants Forty older adults at the hospital who...

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