Effects of Perioperative Operating Room Environment on Postoperative Delirium

Overview

This study aims to observe the impact of perioperative body temperature and the noise of operating room on postoperative delirium for elderly patients undergoing abdominal surgery. Based on this study we aimed to explore the potential risk factors of postoperative delirium for elderly patients undergoing abdominal surgery.

Full Title of Study: “Effects of Perioperative Operating Room Environment on Postoperative Delirium in Elderly Patients With Abdominal Surgery : A Prospective Cohort Study”

Study Type

  • Study Type: Observational
  • Study Design
    • Time Perspective: Prospective
  • Study Primary Completion Date: December 30, 2023

Clinical Trial Outcome Measures

Primary Measures

  • Postoperative delirium during the 3 adys-follow-up after anesthetic resuscitation
    • Time Frame: From ending of the surgery to 3 days after anesthetic resuscitation
    • Postoperative delirium was tested with 3D-Confusion Assessment Method assessment scale or Confusion Assessment Method-intensive care unit assessment scale. The patient is determined to be postoperative delirium (ie, Confusion Assessment Method positive) if he/she fall ill quickly with confusion disorder, and with mental disorder or consciousness disorder.

Secondary Measures

  • Postoperative delirium in the postanesthesia care unit
    • Time Frame: From ending of the surgery to the time when discharge from postanesthesia care unit, an average of 30 minutes
    • Postoperative delirium was tested with Confusion Assessment Method-intensive care unit assessment scale. The patient is determined to be postoperative delirium (ie, Confusion Assessment Method positive) if he/she fall ill quickly with confusion disorder, and with mental disorder or consciousness disorder.
  • Hospital stay
    • Time Frame: From the ending of the surgery to hospital discharge, with means of about 7 days
    • Time duration of the patients’ stay in hospital
  • Postoperative complication
    • Time Frame: From the ending of the surgery to hospital discharge, with means of about 7 days
    • The number of patients who having complication during the hospitalization

Participating in This Clinical Trial

Inclusion Criteria

  • Age 65-90 years old; – ASA I-III; – Patients who plan to undergo elective abdominal surgery under general anesthesia; – Volunteer to participate in this study and sign informed consent. Exclusion Criteria:

  • Patients with known mental illness or lack of communication or cognitive impairment before operation; – Severe vision, hearing, language impairment or other reasons unable to communicate with visitors; – Severe dysfunction of important organs such as heart, brain, lung, liver, kidney, etc.; – Long-term use of sedatives, antidepressants or alcoholism; – Patients with severe postoperative complications and admitted to intensive care unit; – Patients who refused or failed to complete the cognitive function test. – Patients who could not cooperate with the study for any other reason.

Gender Eligibility: All

Minimum Age: 65 Years

Maximum Age: 90 Years

Are Healthy Volunteers Accepted: No

Investigator Details

  • Lead Sponsor
    • The Second Affiliated Hospital of Chongqing Medical University
  • Provider of Information About this Clinical Study
    • Sponsor
  • Overall Official(s)
    • Huang He, MD, Study Director, Department of Anesthesiology, The Second Affiliated Hospital, Chongqing Medical University
  • Overall Contact(s)
    • Huang He, MD, (+86)13708385559, huanghe@cqmu.edu.cn

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