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Clinical Trial Summary

120 consecutive female patients, 18-65 years old, American Society of Anesthesiologists (ASA) physical status I to II, scheduled for hysteroscopic surgery under propofol-based intravenous anesthesia will be recruited in this cohort study. The day before surgery, participants will be assessed the state of preoperative anxiety and depression. On the day of surgery, propofol will be administered by target controlled infusion (TCI) pump. During induction of anesthesia, the level of sedation will be evaluated. The induction dose of propofol, target effect-site concentration(Cet), plasma concentration(Cp) and effect-site concentration (Ce) of propofol will be recorded.


Clinical Trial Description

120 consecutive female patients, 18-65 years old, American Society of Anesthesiologists ( ASA) physical status I to II, scheduled for hysteroscopic surgery under propofol-based intravenous anesthesia will be recruited in this prospective cohort study. The day before surgery, participants were asked to complete the modified HADS questionnaire in an isolated calm room, and the score was used to assess the patients' anxiety and depression level in the past 6 months. On the day of surgery, propofol (Fresenius Kabi Austria GmbH, Graz, Austria)was administrated by using an intravenous target controlled infusion (TCI) pump (Alaris PK, Basingstoke, UK) with Schnider kinetic model. The initial effect-site concentration (Ce) was set as 1.0 μg/ml. After the TCI system displayed that Cp and Ce were at equilibrium, the target concentration of propofol was increased by an increment of 0.5 μg/ml until the patients achieved the three desired levels of sedation.The Ce and dose of propofol and the consuming time were recorded. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT03741361
Study type Observational
Source First Affiliated Hospital, Sun Yat-Sen University
Contact
Status Completed
Phase
Start date November 27, 2018
Completion date February 15, 2019

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