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Measure microcirculatory responses after localized ischemia obtained by local application of pressure (laser speckle).
Measure microcirculatory responses after localized ischemia obtained by local application of pressure (laser speckle). The purpose of this study is to perform measurements of the methodological points made.
The study will investigate :
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| microcirculatory responses | Experimental | Measure microcirculatory responses after localized ischemia obtained by local application of pressure (laser speckle). A pressure is applied to the subject's arm. this causes a localized ischemia. the measures responses to this ischemia will be made by the imager speckle (LSCI) give the microvascular perfusion data. |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| microcirculatory responses | Other | The effect of the duration and intensity of the pressure; reproducibility and correlation with ischemic hyperemia post. measurements are made with the Imager SPECKLE imager (LSCI) give the microvascular perfusion data in arbitrary units called perfusion units (UP). |
| Measure | Description | Time Frame |
|---|---|---|
| microcirculatory response to local pressure. Measurements are made with the Imager SPECKLE imager (LSCI) give the microvascular perfusion data in arbitrary units called perfusion units (UP). | Measurements are made with the Imager SPECKLE imager (LSCI) give the microvascular perfusion data in arbitrary units called perfusion units (UP). | 2 hours |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Pierre ABRAHAM, professor | UH ANGERS | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| CHU Angers | Angers | 49933 | France |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 30399363 | Derived | Henni S, Hersant J, Loufrani L, Duval G, Humeau-Heurtier A; SIMS Group; Riou J, Abraham P; SOCOS Group. Painless local pressure application to test microvascular reactivity to ischemia. Microvasc Res. 2019 Mar;122:13-21. doi: 10.1016/j.mvr.2018.10.013. Epub 2018 Nov 3. |
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| ID | Term |
|---|---|
| D014652 | Vascular Diseases |
| ID | Term |
|---|---|
| D002318 | Cardiovascular Diseases |
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