- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04838418
Transorbital Ultrasound and Other Markers for Prognosis Prediction After Cardiac Arrest (TOMCAT)
January 11, 2023 updated by: University Hospital Pilsen
Transorbital Ultrasound and Other Markers for Prognosis Prediction After Cardiac Arrest (TOMCAT)
In sudden cardiac arrest patients with return of spontaneous circulation, brain damage is one of the main determinants of short-term mortality and poor prognosis (CPC 3-5).
It is important to properly select group of patients in whom treatment is futile.
According to current guidelines, multimodal approach is recommended.
Optic nerve sheath diameter measured by ultrasound is non-invasive, fast, low-cost and readily available bed-side method, but evidence for its use as neuroprognostication modality is limited to only few small studies.
The aim of this study is to evaluate validity of ONSD as neuroprognostication method at larger cohort of patients, compare it with other established methods and compare ultrasound and CT measurement of ONSD.
Study Overview
Status
Recruiting
Conditions
Intervention / Treatment
Detailed Description
Additional relevant MeSH terms:
cardiac arrest, cardiovascular diseases, optic nerve sheath diameter.
Study Type
Observational
Enrollment (Anticipated)
80
Contacts and Locations
This section provides the contact details for those conducting the study, and information on where this study is being conducted.
Study Contact
- Name: Štefan Volovár, MUDr.
- Phone Number: +420377103120
- Email: VOLOVARS@fnplzen.cz
Study Contact Backup
- Name: Milan Hromádka, doc., MUDr., Ph.D.
- Phone Number: +420377103120
- Email: hromadkam@fnplzen.cz
Study Locations
-
-
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Plzen, Czechia
- Recruiting
- University Hospital Plzen
-
Contact:
- Štefan Volovár, MUDr.
- Phone Number: +420377103120
- Email: VOLOVARS@fnplzen.cz
-
Contact:
- Milan Hromádka, doc., MUDr., Ph.D.
- Phone Number: +420377103120
- Email: hromadkam@fnplzen.cz
-
-
Participation Criteria
Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.
Eligibility Criteria
Ages Eligible for Study
18 years and older (Adult, Older Adult)
Accepts Healthy Volunteers
No
Genders Eligible for Study
All
Sampling Method
Non-Probability Sample
Study Population
Male and female patients after cardiac arrest with subsequent ROSC, 18 years of age and older
Description
Inclusion Criteria:
- age of 18 years or older
- out of hospital cardiac arrest of non-traumatic cause with CPR and subsequent ROSC
- Glasgow coma scale (GCS) ≤ 7 or sedation 30 minutes after ROSC achievment
Exclusion Criteria:
- unavailable first measurment of the optic nerve sheath diameter (ONSD) measured by transorbital ultrasonography 24±6 hours after ROSC achievement
- refractory cardiac arrest
- craniocerebral injury
- intracranial tumor
- active intracranial bleeding
- haemorrhagic stroke and/or subarachnoid haemorrhage in the last 3 months
- facial trauma affecting the eye area
- active neuroendocrine tumor, small cell lung cancer, non-small cell lung
- CPC 3-5 before cardiac arrest
- sclerosis multiplex and/or optic neuritis of other etiology
Study Plan
This section provides details of the study plan, including how the study is designed and what the study is measuring.
How is the study designed?
Design Details
- Observational Models: Cohort
- Time Perspectives: Prospective
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Value of ONSD for short-term neurological outcome prediction
Time Frame: 30 days
|
Assessment of the correlation between the optic nerve sheath diameter measured by transorbital ultrasonography and neurological outcome of patients (quantified by the CPC scale) after out of hospital cardiac arrest with subsequent ROSC
|
30 days
|
Value of ONSD for short-term mortality prediction
Time Frame: 30 days
|
Assessment of the correlation between optic nerve sheath diameter measured by transorbital ultrasonography and mortality during a 30-day follow-up.
|
30 days
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Comparison of ONSD and electrophysiologic modalities for neurological outcome prediction
Time Frame: 96 hours
|
Assessment of the correlation between the optic nerve sheath diameter measured by transorbital ultrasonography and negative prognostic markers obtained by somatosensory evoked potentials examination and EEG in patients remaining in a coma even after the end of therapeutic hypothermia and sedation.
|
96 hours
|
Comparison of ONSD measurements by ultrasonography and computed tomography
Time Frame: 48 hours
|
Assessment of accuracy of the optic nerve sheath diameter measured by ultrasonography compared to CT measurement performed 48 ± 12 hours after achievment of ROSC.
|
48 hours
|
Correlation between ONSD and fundoscopic signs of papillary edema
Time Frame: 48 hours
|
Assessment of the correlation between the optic nerve sheath diameter measured by transorbital ultrasonography and grade of optic nerve papillary edema quantified by the Frisen scale on fundoscopic examination performed 48 ± 12 hours after achievment of ROSC.
|
48 hours
|
Correlation between ONSD and thickness of retinal nerve fibers measured by OCT
Time Frame: 5 months
|
Assessment of the correlation between the optic nerve sheath diameter measured by transorbital ultrasonography and thickness of retinal nerve fibers measured by optical coherence tomography at time intervals of 1, 3 and 5 months after achievment of ROSC.
|
5 months
|
Effect of blood carbon dioxide on ONSD
Time Frame: 72 hours
|
Assessment of the correlation between the optic nerve sheath diameter measured by transorbital ultrasonography and paCO2 and ETCO2 values at the time of measurement.
|
72 hours
|
Value of ONSD for long-term neurological outcome and mortality
Time Frame: 6 months
|
Assessment of the correlation between the optic nerve sheath diameter measured by transorbital ultrasonography and mortality and neurological outcome of patients (quantified by the CPC scale) at 6 months after ROSC.
|
6 months
|
Correlation between blood NSE, copeptin and selected RNAs
Time Frame: 6 months
|
Assessment of the correlation between blood NSE, copeptin and selected micro-RNAs measured at defined time intervals from ROSC, to neurological outcome prediction in patients after out of hospital cardiac arrest with subsequent ROSC.
|
6 months
|
Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Sponsor
Investigators
- Principal Investigator: Štefan Volovár, MUDr., University Hospital Plzen
Study record dates
These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.
Study Major Dates
Study Start (Actual)
January 4, 2021
Primary Completion (Anticipated)
January 4, 2024
Study Completion (Anticipated)
January 4, 2024
Study Registration Dates
First Submitted
April 6, 2021
First Submitted That Met QC Criteria
April 6, 2021
First Posted (Actual)
April 9, 2021
Study Record Updates
Last Update Posted (Estimate)
January 13, 2023
Last Update Submitted That Met QC Criteria
January 11, 2023
Last Verified
January 1, 2023
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- UHPlisen
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
No
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
No
Studies a U.S. FDA-regulated device product
No
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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