Effect of Preoperative Anxiety on Postoperative Pain and Analgesic Requirements in Patients Undergoing Elective Surgery: A Prospective Cohort Study.
BACKGROUND Preoperative anxiety is common before elective surgery but is often assessed informally and seldom incorporated into postoperative analgesic planning. This study evaluated the association between preoperative anxiety, early postoperative pain intensity, and 24-h rescue analgesic requirement. MATERIALS AND...