Critical Illness Related Cardiac Arrest (CIRCA)
CIRCA
1 other identifier
observational
1,800
1 country
1
Brief Summary
CIRCA aims to determine the incidence and outcomes of in-hospital cardiac arrest (IHCA) in UK intensive care units (ICUs) and explore associated risk factors with ICU and hospital survival and quality of survival following hospital discharge.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for all trials
Started Jan 2020
Typical duration for all trials
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
November 21, 2019
CompletedFirst Posted
Study publicly available on registry
January 7, 2020
CompletedStudy Start
First participant enrolled
January 27, 2020
CompletedPrimary Completion
Last participant's last visit for primary outcome
June 1, 2021
CompletedStudy Completion
Last participant's last visit for all outcomes
July 1, 2022
CompletedOctober 5, 2020
October 1, 2020
1.3 years
November 21, 2019
October 1, 2020
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Incidence
Incidence of critical illness related cardiac arrest
Up to 12 months
Secondary Outcomes (12)
Subsequent incidence of in-hospital cardiac arrest
Up to 12 months
Survival status at hospital discharge
Up to 12 months
Survival status at 12 months
12 months
Patient quality of life measured through EQ-5D-5L questionnaire completion at 3 months
3 months
Patient quality of life measured through EQ-5D-5L questionnaire completion at 6 months
6 months
- +7 more secondary outcomes
Study Arms (1)
Critical-illness related cardiac arrest (CIRCA)
Those experiencing a critical illness-related cardiac arrest in a participating adult, general ICU
Eligibility Criteria
Adults having cardiac arrest (defined as receipt of chest compressions and/or defibrillation) after admission to an Intensive Care Unit (ICU) participating in the Case Mix Programme in a hospital participating in the National Cardiac Arrest Audit
You may qualify if:
- Age 18 years old or more; and either
- Cardiac arrest (defined as receipt of chest compressions or defibrillation) occurring while in-hospital and within intensive care (defined as either ICU, HDU or combined ICU/HDU); or
- Family member of a patient surviving to discharge from intensive care after a cardiac arrest within ICU
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
Intensive Care National Audit & Research Centre
London, WC1V 6AZ, United Kingdom
Related Publications (2)
Darnell R, Broomhall J, Newell C, Gendall E, Harrison D, Rowan K, Doidge J, Mouncey P, Gould D, Thomas M. Critical Illness Related Cardiac Arrest (CIRCA): a prospective investigation of the incidence and outcome of cardiac arrest within intensive care units in the United Kingdom. Resuscitation. 2025 Dec 22:110933. doi: 10.1016/j.resuscitation.2025.110933. Online ahead of print.
PMID: 41443583DERIVEDDarnell R, Newell C, Edwards J, Gendall E, Harrison D, Sprinckmoller S, Mouncey P, Gould D, Thomas M. Critical illness-related cardiac arrest: Protocol for an investigation of the incidence and outcome of cardiac arrest within intensive care units in the United Kingdom. J Intensive Care Soc. 2022 Nov;23(4):493-497. doi: 10.1177/17511437211055899. Epub 2022 Mar 13.
PMID: 36751345DERIVED
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
Matt Thomas, MD
North Bristol NHS Trust
Central Study Contacts
Study Design
- Study Type
- observational
- Observational Model
- COHORT
- Time Perspective
- PROSPECTIVE
- Sponsor Type
- OTHER
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
November 21, 2019
First Posted
January 7, 2020
Study Start
January 27, 2020
Primary Completion
June 1, 2021
Study Completion
July 1, 2022
Last Updated
October 5, 2020
Record last verified: 2020-10
Data Sharing
- IPD Sharing
- Will share
An anonymised study dataset will be available from ICNARC on request to the Chief Investigator, subject to any necessary approvals