NCT03802760|Completed
Cerebral Microembolism in Cardiology
ZEMEK
Cerebral Microembolism in Interventional Cardiology Procedures
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ZEMEK
Cerebral Microembolism in Interventional Cardiology Procedures
Sponsor study identifier
Secondary identifiers
NIH
observational
50
1 country
1
Study Start
October 24, 2018
Actual (reported)Primary Completion
February 24, 2022
Actual (reported)Study Completion
November 6, 2022
Actual (reported)During different interventional cardiology procedures we aim to identify cerebral microemboli load. Further we aim to differentiate the quality and the quantity of cerebral microemboli.We will measure cerebral microemboli in different interventional phases, e.g. during valve deployment, rapid pacing, post-implantation.
Registry-reported information. Elapsed time and enrollment totals alone do not measure study progress or recruitment pace.
November 6, 2022
Actual (reported)Click on a node to explore related trials.
Some registry-reported names shown below are not yet linked in this graph.
Dates and qualifiers reported by the registry. Estimated dates do not confirm that a milestone has occurred.
October 22, 2018
Actual (reported)October 24, 2018
Actual (reported)January 14, 2019
Actual (reported)February 24, 2022
Actual (reported)November 6, 2022
Actual (reported)Quality of cerebral microemboli (solid vs. gaseous)
The quality of cerebral microemboli is measured by Doppler ultrasonography which automatically detects and analyses the Doppler signal coming from the middle cerebral artery. According to the strength of signal reflection, the signal will be qualified as solid or gaseous.
intraoperative phase, expected to be approx. 4 hours
Quantity of cerebral microemboli load
intraoperative phase, expected to be approx. 4 hours
Cerebral hemispheric differences (left vs. right)
intraoperative phase, expected to be approx. 4 hours
Patients undergoing transfemoral TAVI
Patients undergoing MitraClip implantation
Patients undergoing TricuspidalClip implantation
Non-invasive measurement of cerebral embolic load and blood flow using TCD
Registry-reported names are shown in full. Names without a link have not yet been matched to a Syfrah profile.
Patients undergoing Interventional cardiology procedure (TAVI, MitraClip, TricuspidalClip)
Department of Anesthesiology and Pain Medicine
Bern, 3010, Switzerland
50 participants (actual enrollment reported by the registry).
First Submitted
October 22, 2018
First Posted
January 14, 2019
Study Start
October 24, 2018
Actual (reported)Contact the study team to confirm eligibility.
Primary Completion
February 24, 2022
Actual (reported)Study Completion
November 6, 2022
Actual (reported)Last Updated
November 8, 2022
Record last verified: 2022-11
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Source: ClinicalTrials.gov.
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