Using Preoperative Anxiety Score to Determine the Total Dose of Butorphanol for Sedation

Conditions:   Preoperative Anxiety Score;   Total Dose of Butorphanol Interventions:   Drug: Butorphanol;   Other: physiological saline Sponsor:   Shengjing Hospital Completed

Source: ClinicalTrials.gov - January 18, 2019 Category: Research Source Type: clinical trials