Prevalence and Risk Factors for Postoperative Delirium 48 Hours After Surgery

To determine the overall prevalence of postoperative delirium (POI) and its association with different risk factors in order to establish prevention plans to reduce its incidence and/or duration in Spanish hospitals.

To this end, patients over 18 years of age who underwent urgent and scheduled surgery requiring hospital admission under any type of anaesthesia during two specific days will be recruited and pre-, intra- and postoperative data will be collected.

Completed

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Key information

Conditions

Postoperative Delirium Confusion Delirium Emergence Delirium Mental Disorders Nervous System Diseases Neurobehavioral Manifestations Neurocognitive Disorders Neurologic Manifestations Pathologic Processes Pathological Conditions, Signs and Symptoms Postoperative Complications Signs and Symptoms

Age range

18 year and older

Sex eligibility

All sexes

Study type

Observational

Primary location

Hospital Complex of Ferrol, Ferrol, A Coruña, Spain

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

Patients over 18 years of age undergoing urgent and scheduled surgery requiring hospital admission, under any type of anaesthesia.

Exclusion criteria

Presence of pre-surgical delirium.
Outpatient surgery.

Treatment and study plan

Any surgery under any type of anaesthesia.

Procedure

Any surgery under any type of anaesthesia.

Primary outcomes

Prevalence of Postoperative Delirium in Spanish hospitals.

Time frame: 2 days

To determine the overall prevalence of Postoperative Delirium in Spanish hospitals.

Secondary outcomes

Prevalence of Postoperative Delirium by surgical speciality.

Time frame: 2 days

To determine the prevalence of Postoperative Delirium by surgical speciality.
Risk factors on the prevalence of Postoperative Delirium

Time frame: 2 days

Determine the influence of risk factors on the prevalence of Postoperative Delirium

Sponsors and collaborators

Lead sponsor

Fundacin Biomedica Galicia Sur

Other

Registry information

Official study title

Prevalence and Risk Factors for Postoperative Delirium 48 Hours After Surgery: Multicenter Cohort Study.

Acronym: DELPO

Important dates

Study start: 2023
Primary completion: 2024
Study completion: 2024
First posted: Nov 13, 2023
Registry last updated: Mar 20, 2026

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

Published trials that share one or more normalized conditions with this study.

Completed