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NCT Number: NCT07001410

Geriatrics in the Intensive Care Unit

Life expectancy is longer in populations of medium- and high-income countries. Older adults are an increasingly large population in intensive care units (ICUs). There are limited publications about the epidemiology, benefits, expenditure, and outcomes of elderly and very old critically ill patients.

We are designing a study to characterize older adults admitted to the intensive care unit and determine factors associated with adverse outcomes. The discharge registry of the ICU of a third-level hospital was reviewed. Records from January to December 2024 were reviewed. Three age groups were selected for comparison: A. <65 years; B. 65-79 years; C. 80 years and above. The outcomes to compare will be: mortality, need for invasive mechanical ventilation, ICU length of stay, and duration of mechanical ventilation.

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Key information

Conditions

Geriatrics Critical Illness Disease Attributes Pathologic Processes Pathological Conditions, Signs and Symptoms

Age range

18 year–120 year

Sex eligibility

All sexes

Study type

Observational

Primary location

Hospital Departamental de Villavicencio

Villavicencio, Meta Department, 50001, Colombia

About this study

Background: Older adults represent a significant and increasing proportion of patients admitted to the intensive care unit, as the population's life expectancy is longer. The study aims to investigate factors associated with mortality in geriatric patients receiving critical care.

Methodology: We are designing a retrospective analytical cross-sectional clinical trial. The discharge records from January to December 2024 of one of the intensive care units (ICUs) from the Orinoco region in Colombia will be reviewed. The records will be divided into three groups for comparison: A. Lower than 65 years; B. between 65 and 79 years; C. 80 years and older. The records of patients admitted to the intermediate unit will be excluded. Outcomes to be evaluated will include mortality, ICU length of stay, invasive mechanical ventilation (IMV), and duration of IMV. The data will be exported to Excel. The frequency and proportion of categorical variables will be described. The central distribution and dispersion of quantitative variables will also be defined. Chi-square and Mann-Whitney U tests will be used for the statistical comparison of the variables. A value <0.05 of p will be designated as statistical significance.

Results: The frequency of older adults admitted to the ICU will be revealed at the end of the study. The outcomes and factors associated with mortality by age groups will be discriminated.

Conclusions: The study is feasible, pertinent, affordable, and essential for the region, as it will optimize resource planning and improve healthcare for critically ill older adults.

Who can participate

Healthy volunteers accepted: No

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

Inclusion criteria

  • Registry of adults older than 18 years, discharged from the critical care unit.

Exclusion criteria

  • None.

Treatment and study plan

Age group

Other

Observation of the outcomes by age groups.

Primary outcomes

  1. ICU mortality

    Time frame: 30 days

    Mortality during ICU stay.

Secondary outcomes

  1. ICU length of stay

    Time frame: 30 days

    Duration of stay in the intensive care unit

  2. Invasive mechanical ventilation

    Time frame: 30 days

    Need of mechanical ventilation

  3. Duration of IMV

    Time frame: 30 days

    Duration of the invasive mechanical ventilation

Study contacts

Contact information is provided by the study sponsor or research team.

Emma I Rodriguez, MSc

CONTACT

[email protected]

3112517538

Norton Perez, MD

CONTACT

[email protected]

3112517471

Sponsors and collaborators

Lead sponsor

Hospital Departamental de Villavicencio

Other

Registry information

Official study title

Geriatrics in the Intensive Care Unit. An Observational Clinical Trial

Acronym: GICU

Important dates

Study start
2026
Primary completion
2027
Study completion
2027
First posted
Jun 3, 2025
Registry last updated
Feb 9, 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.

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