Effects of Perioperative Operating Room Environment on Postoperative Delirium

The Second Affiliated Hospital of Chongqing Medical University360 enrolled

Overview

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

Study Type

OBSERVATIONAL

Enrollment

360

Conditions

Postoperative Delirium

Eligibility

Sex: ALLMin age: 65 YearsMax age: 90 Years

Medical Language ↔ Plain English

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.

Locations (1)

Department of Anesthesiology, The Second Affiliated Hospital, Chongqing Medical University

Chongqing, Chongqing Municipality, China

RECRUITING

Outcomes

Primary Outcomes

Postoperative delirium during the 3 days-follow-up after anesthetic resuscitation

Postoperative delirium was tested with 3 minutes-Confusion Assessment Method or Confusion Assessment Method-intensive care unit (0-4, higher scores means worse outcome). 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.

Time frame: From ending of the surgery to 3 days after anesthetic resuscitation

Secondary Outcomes

Postoperative delirium in the postanesthesia care unit

Postoperative delirium was tested with 3 minutes-Confusion Assessment Method (0-4, higher scores means worse outcome). 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.

Time frame: From ending of the surgery to the time when discharge from postanesthesia care unit, an average of 30 minutes

Hospital stay

Time duration of the patients' stay in hospital

Time frame: From the ending of the surgery to hospital discharge, with means of about 7 days

Postoperative complication

The number of patients who having complication during the hospitalization

Time frame: From the ending of the surgery to hospital discharge, with means of about 7 days

Central Contacts

Huang He, MD

CONTACT

（+86）13708385559 huanghe@cqmu.edu.cn

Data from ClinicalTrials.gov

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