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Cell-free DNA (cfDNA) is an important pro-inflammatory and prothrombotic mediator. With this study the investigators aim to gain new insights into the role of cfDNA in stroke and to perform a combined analysis of cfDNA in the hyperacute phase of the disease using blood and thrombus analyses. The main objectives are to analyse cfDNA in different stroke etiologies, to investigate the relationship between cfDNA and important procedural factors such as secondary embolisation and reperfusion outcomes, to analyse the correlation between blood and thrombus content of cfDNA and to investigate the specific source of cfDNA in distinct stroke subtypes.
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| Measure | Description | Time Frame |
|---|---|---|
| Stroke Etiology | Descriptive comparison of cell-free DNA in cerebral thrombi regarding stroke etiology | at day 1 |
| Measure | Description | Time Frame |
|---|---|---|
| Correlation cfDNA concentration and perfusion outcome | cfDNA abount in blood and thromi is assessed in relation to thrombectomy outcomes including perfusion outcome | at day 1 |
| Correlation cfDNA concentration and secondary embolism |
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Inclusion Criteria:
Exclusion Criteria:
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male or female patients over 18 years of age presenting with acute ischemic stroke due to large vessel occlusion (LVO) who require mechanical thrombectomy.
| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Gerrit Grosse, PD Dr. Dr. | Contact | +41 61 32 85265 | gerrit.grosse@usb.ch |
| Name | Affiliation | Role |
|---|---|---|
| Gerrit Grosse, PD Dr. Dr. | University Hospital, Basel, Switzerland | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| University Hospital Basel | Recruiting | Basel | 4031 | Switzerland |
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| ID | Term |
|---|---|
| D020521 | Stroke |
| ID | Term |
|---|---|
| D002561 | Cerebrovascular Disorders |
| D001927 | Brain Diseases |
| D002493 | Central Nervous System Diseases |
| D009422 | Nervous System Diseases |
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Arterial blood samples
cfDNA abount in blood and thromi is assessed in relation to thrombectomy outcomes including secondary embolism
| at day 1 |
| Correlation cfDNA concentration and thrombus fragmentation. | cfDNA abount in blood and thromi is assessed in relation to thrombectomy outcomes including thrombus fragmentation | at day 1 |
| Measures of cfDNA as a marker of systemic inflammation | to correlate cfDNA amount in blood and thrombi | at day 1 |
| 90-day functional outcomes | to examine the association between cfDNA concentrations in blood and thrombi with 90-day functional outcomes. To assess functional outcomes, the modified Rankin Scale (mRS) is evaluated via a structured telephone interview on day 90. A favorable outcome is defined as an mRS score of 0 to 2 points, while an unfavorable outcome is defined as an mRS score of 3 to 5 points. | up to 3 month |
| D014652 | Vascular Diseases |
| D002318 | Cardiovascular Diseases |