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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.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| TAVI patients | Patients undergoing transfemoral TAVI |
| |
| MitraClip patients | Patients undergoing MitraClip implantation |
| |
| TricuspidalClip | Patients undergoing TricuspidalClip implantation |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Transcranial Doppler (TCD) ultrasound measurement | Device | Non-invasive measurement of cerebral embolic load and blood flow using TCD |
|
| Measure | Description | Time Frame |
|---|---|---|
| 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 |
| Measure | Description | Time Frame |
|---|---|---|
| Quantity of cerebral microemboli load | The quantity of cerebral microemboli is measured by Doppler ultrasonography which automatically register the counts of solid and gaseous emboli. | intraoperative phase, expected to be approx. 4 hours |
| Cerebral hemispheric differences (left vs. right) |
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Inclusion Criteria:
Exclusion Criteria:
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Patients undergoing Interventional cardiology procedure (TAVI, MitraClip, TricuspidalClip)
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Department of Anesthesiology and Pain Medicine | Bern | 3010 | Switzerland |
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| ID | Term |
|---|---|
| D020766 | Intracranial Embolism |
| ID | Term |
|---|---|
| D002542 | Intracranial Embolism and Thrombosis |
| D002561 | Cerebrovascular Disorders |
| D001927 | Brain Diseases |
| D002493 | Central Nervous System Diseases |
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| ID | Term |
|---|---|
| D017585 | Ultrasonography, Doppler, Transcranial |
| ID | Term |
|---|---|
| D004453 | Echoencephalography |
| D009485 | Neuroradiography |
| D059906 | Neuroimaging |
| D003952 | Diagnostic Imaging |
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| intraoperative phase, expected to be approx. 4 hours |
| D009422 | Nervous System Diseases |
| D014652 | Vascular Diseases |
| D002318 | Cardiovascular Diseases |
| D013923 | Thromboembolism |
| D016769 | Embolism and Thrombosis |
| D019937 |
| Diagnostic Techniques and Procedures |
| D003933 | Diagnosis |
| D011859 | Radiography |
| D014463 | Ultrasonography |
| D018608 | Ultrasonography, Doppler |
| D003943 | Diagnostic Techniques, Neurological |
| D008919 | Investigative Techniques |