- ICH GCP
- US Clinical Trials Registry
- Klinisk forsøg NCT00587002
Differences in Epicardial Plaque and Microvascular Function in Women With an Acute Myocardial Infarction
Studieoversigt
Detaljeret beskrivelse
The hypothesis of the current study is that plaque erosion and microvascular dysfunction are key features responsible for the increased peri-MI mortality in young women. In order to test this hypothesis the following specific aims are proposed using a special intravascular ultrasound technique called virtual histology and microvascular function (effect of intracoronary adenosine on coronary blood flow) in patients coming to the cardiac catheterization laboratory with an acute MI:
- To determine if plaque rupture or plaque erosion is more prevalent in young women (<50 years) compared with older women (≥ 50 years) and men in the development of an acute MI
- To determine if inflammatory mediators of plaque rupture are higher in older women and men with an acute MI compared with younger women
- To determine if microvascular function is abnormal in young women undergoing percutaneous coronary revascularization with an acute MI compared to older women and men
- To determine if alterations exist in the number and function of EPCs in young women (<50 years) compared with older women (≥ 50 years) and men who have had an acute MI and to determine the association with microvascular function
Undersøgelsestype
Tilmelding (Faktiske)
Fase
- Ikke anvendelig
Kontakter og lokationer
Studiesteder
-
-
Minnesota
-
Rochester, Minnesota, Forenede Stater, 55905
- Mayo Clinic
-
-
Deltagelseskriterier
Berettigelseskriterier
Aldre berettiget til at studere
Tager imod sunde frivillige
Køn, der er berettiget til at studere
Beskrivelse
Inclusion Criteria:
- Age of 18 years or older
- Acute coronary syndrome defined as at least two of the following:
A) an elevated cardiac biomarker (troponin or CK-MB), B) new or dynamic ECG changes in at least 2 contiguous standard electrocardiographic leads of ST depression > 1 mm or ST elevation of >1 mm or T-wave inversions, C) chest pain or discomfort of at least 15 minutes duration, D) a new wall motion abnormality by echocardiography
- Patient who is undergoing coronary angiography
- Physician planning to perform IVUS for treatment of the infarct-related vessel
Exclusion Criteria:
- Creatinine > 2.0 mg/dL (most recent)
- Hemodynamically unstable patients (systolic blood pressure < 90 mmHg or heart rate > 110 beats/ minute or presence of an intra-aortic balloon pump)
- Coronary revascularization (percutaneously or surgically) within 6 months
- The use of chronic immunosuppressive agents
- No target lesion was found at the time of cardiac catheterization that will be percutaneously intervened upon (the patient must undergo percutaneous coronary intervention)
- Inability to give informed consent
- Pregnant or lactating women
- Prisoners
Studieplan
Hvordan er undersøgelsen tilrettelagt?
Design detaljer
- Primært formål: Diagnostisk
- Tildeling: Ikke-randomiseret
- Interventionel model: Enkelt gruppeopgave
- Maskning: Ingen (Åben etiket)
Våben og indgreb
Deltagergruppe / Arm |
Intervention / Behandling |
|---|---|
|
Aktiv komparator: 1
Gender comparison
|
Intravascular ultrasound with virtual histology
|
Hvad måler undersøgelsen?
Primære resultatmål
Resultatmål |
Tidsramme |
|---|---|
|
Plaque Virtual Histology
Tidsramme: Performed during PCI
|
Performed during PCI
|
Sekundære resultatmål
Resultatmål |
Tidsramme |
|---|---|
|
Endothelial Progenitor Cells
Tidsramme: Collected immediately pre PCI
|
Collected immediately pre PCI
|
|
Microvascular function in the noninfarct related vessel
Tidsramme: Assessed immediately post PCI
|
Assessed immediately post PCI
|
|
Virtual Histology in noninfarct related vessel
Tidsramme: Assessed immediately post PCI
|
Assessed immediately post PCI
|
Samarbejdspartnere og efterforskere
Sponsor
Efterforskere
- Ledende efterforsker: Patricia M. Best, M.D., Mayo Clinic
Publikationer og nyttige links
Hjælpsomme links
Datoer for undersøgelser
Studer store datoer
Studiestart
Primær færdiggørelse (Faktiske)
Studieafslutning (Faktiske)
Datoer for studieregistrering
Først indsendt
Først indsendt, der opfyldte QC-kriterier
Først opslået (Skøn)
Opdateringer af undersøgelsesjournaler
Sidste opdatering sendt (Skøn)
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidst verificeret
Mere information
Begreber relateret til denne undersøgelse
Nøgleord
Yderligere relevante MeSH-vilkår
Andre undersøgelses-id-numre
- 07-001023
- Epi-Plaque
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