The effect of multi-modal virtual reality intervention on the incidence of delirium in patients with non-cardiac surgery

INTERVENTION: Multimodal virtual reality group:At the same time, wear virtual reality glasses and perform aromatherapy, intervention time is 20 minutes;Biophilic virtual reality group:Wearing biophilic virtual reality glasses for 20 minutes;Aromatherapy group:20 minutes for aromatherapy;Blank control group:No intervention; CONDITION: Postoperative delirium PRIMARY OUTCOME: Incidence of delirium 7 days; SECONDARY OUTCOME: Duration of postoperative delirium;Severity of postoperative delirium;Post‐intervention anxiety scores;Difference in blood pressure before and after intervention;Heart rate difference before and after intervention;Post‐operative pain levels;Pre‐intervention anxiety levels;Pre‐operative pain levels; INCLUSION CRITERIA: 1. Patients undergoing non‐cardiac surgery in our hospital (hepatobiliary, orthopedic, gastrointestinal, urological, etc.); 2. Aged >= 60 years; 3. Patients with anxiety due to surgery (Hospital Anxiety and Depression Scale Anxiety score greater than 7); 4. Expected duration of surgery >= 2 hours; 5. Expected length of stay after surgery >= 3 days.