Effect of the Anticholinergic Drug Burden on Postoperative Delirium in Elderly Chinese Patients: A Nested Case-Control Study (ADB and POD)

April 9, 2025 updated by: Hao Li
This study aims to investigate the association between preoperative anticholinergic drugs burden and postoperative delirium in elderly Chinese patients.

Study Overview

Status

Completed

Study Type

Observational

Enrollment (Actual)

10536

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

      • Beijing, China
        • First Medical center of Chinese PLA General Hospital

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

  • Older Adult

Accepts Healthy Volunteers

No

Sampling Method

Non-Probability Sample

Study Population

patients over 65 years

Description

Inclusion Criteria:

  • patients over 65 years; Undergoing general anesthesia; Inpatients who had surgery between Aprill 1, 2020 and Aprill 1, 2022.

Exclusion Criteria:

  • ASA grade V; preoperative Mini-Mental State Examination (MMSE) score <24;history of neurological disorders (such as cerebrovascular disease or dementia); emergency surgeries; operative duration ≤30 minutes, and cases with >5% missing data.

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Time Frame
postoperative delirium
Time Frame: 7 days after surgery
7 days after surgery

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

April 1, 2020

Primary Completion (Actual)

April 1, 2022

Study Completion (Actual)

April 1, 2022

Study Registration Dates

First Submitted

April 9, 2025

First Submitted That Met QC Criteria

April 9, 2025

First Posted (Actual)

April 17, 2025

Study Record Updates

Last Update Posted (Actual)

April 17, 2025

Last Update Submitted That Met QC Criteria

April 9, 2025

Last Verified

April 1, 2025

More Information

Terms related to this study

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

product manufactured in and exported from the U.S.

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

Clinical Trials on Delirium - Postoperative

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