Active — Not RecruitingNot Applicable

Anisocoria in the Intensive Care Unit (AICU Study)

Switzerland920 participantsStarted 2025-03-01

Plain-language summary

This retrospective single-center cohort study aims to determine the prevalence of acute "new onset" pupillary abnormalities in adult intensive care unit patients, assess their clinical impact, identify the contexts leading to treatment changes, and evaluate their prognostic implications.

Who can participate

Age range18 Years

SexALL

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Inclusion Criteria: * Adult patients (i.e., patients ≥18 years of age) * Reported incident of pupillary abnormality (either anisocoria or non-normal pupillary reactivity) in the intensive care unit at the University Hospital Basel between 2013-2024. Exclusion Criteria: * Patients younger than 18 years * Patients with documented refusal of data use.

What they're measuring

Acute prehospital management data

Timeframe: 2013-2024

Duration of intensive care unit stay

Timeframe: 2013-2024

Duration of hospital stay

Timeframe: 2013-2024

Discharge destination

Timeframe: 2013-2024

Date of incident

Timeframe: 2013-2024

Characteristics of incident

Timeframe: 2013-2024

Type of incident

Timeframe: 2013-2024

Additional features of the incident

Timeframe: 2013-2024

Patient characteristics

Timeframe: 2013-2024

Trial details

NCT IDNCT06964997

SponsorUniversity Hospital, Basel, Switzerland

Sponsor typeOTHER

Study typeOBSERVATIONAL

Primary completion2025-12

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