Effect of Noise Isolation on the Incidence of Moderate to Severe Postoperative Pain

Effect of Noise Isolation During General Anesthesia on the Incidence of Moderate to Severe Postoperative Pain in Patients Undergoing Major Abdominal Surgery

To investigate the effect of noise isolation during general anesthesia on the incidence of moderate to severe postoperative pain in patients undergoing major abdominal surgery. The aim of this study was to determine whether noise isolation can reduce the Incidence of moderate to severe postoperative pain and analgesic use.

Inclusion Criteria:

• Between the ages of 18 and 70, both male and female.
• American Society of Anesthesiologists Classification 1-3
• Patients undergoing elective major abdominal surgery under general anesthesia(Surgery time ≥ 2h)
• Voluntarily accept patient controlled intravenous analgesia and signed informed consent

Exclusion Criteria:

• Patients with previous severe disease
• Patients with hearing abnormalities
• Patients requiring mechanical ventilation or undergoing epidural catheters or other types of regional anesthesia after surgery
• Patients with chronic preoperative pain and/or long-term analgesic use
• Patients who could not cooperate with the study for any reason