NCT04911530: PDCEP

Perioperative Database of Chinese Elderly Patients

Status unknown Last updated 1 June 2023

What this trial tests

trial testing no intervention in Perioperative Complications in 10,000 participants. Status unknown.

Timeline

1 April 2020

Primary endpoint
30 April 2022

31 December 2025

Quick facts

Lead sponsor	Chinese PLA General Hospital
Status	Status unknown
Study type	OBSERVATIONAL
Enrollment	10,000
Start date	1 April 2020
Primary completion	30 April 2022
Estimated completion	31 December 2025
Sites	1 location across China

Drugs / interventions tested

• no intervention

Conditions studied

• Perioperative Complications — all drugs for Perioperative Complications →
• Perioperative/Postoperative Complications — all drugs for Perioperative/Postoperative Complications →
• Perioperative Adverse Events — all drugs for Perioperative Adverse Events →

Sponsor

Chinese PLA General Hospital

Who can join

65 and older, any sex, with Perioperative Complications or Perioperative/Postoperative Complications. Patients with the condition only — healthy volunteers not accepted.

Sponsor's own description

The investigators aim to establish a prospective database of perioperative elderly patients from multiple regions and centers. Collected data involves postoperative complications of the central nervous system, cardiovascular system, kidney, respiratory system, infection, pain, and other perioperative complications. Based on the database, the investigators intend to explore:

* The incidence and risk factors of perioperative morbidity and mortality in elderly patients;
* Perioperative risk assessment methods and early warning models for elderly patients;
* Practical, safe, and effective risk prevention and control system through subsequent studies.

Publications & conference data

3 peer-reviewed publications reference this trial (live from Europe PMC):

1. Effect of Anticholinergic Drug Burden on Postoperative Delirium in Elderly Patients: A Nested Case-Control Study.
   Zhang T, Shen T, Li N, Zhang X, et al · · 2026 · cited 1× · PMID 41486638 · DOI 10.1002/cns.70731
2. Clinical Relevance of Preoperative Lymphocyte-to-Monocyte Ratio in Predicting Postoperative Delirium Across Frailty Status in Older Surgical Patients.
   Zhang H, Han S, Li F, Hou D, et al · · 2026 · PMID 42125630 · DOI 10.2147/cia.s584851
3. [Risk factors for overall postoperative complications in elderly patients undergoing gastrointestinal surgeries: a multicenter observational study].
   Lü X, Liu Y, Han S, Zhang H, et al · · 2025 · PMID 40294923 · DOI 10.12122/j.issn.1673-4254.2025.04.08