Preoperative Anxiety's Incidence and Related Factors in Surgical Patients

Preoperative anxiety is often described as an uncomfortable, tense unpleasant mood before surgery, an emotional response to a potential challenge or threat to reality. Data show that adult patients with preoperative anxiety rate of 30-40%. The main reason for the occurrence of patients for surgery, anesthesia and other factors of fear. Preoperative anxiety itself is not a mental illness, but studies have confirmed that the occurrence of preoperative anxiety and postoperative complications were positively correlated, and the existence of preoperative anxiety in patients with conventional postoperative analgesic effect is poor. At present, there are still few studies on the relationship between preoperative anxiety and postoperative complications and analgesia. At the same time, there is a lack of large sample size to study the incidence of preoperative anxiety and its related predictors.