Status:
COMPLETED
Early Prediction of QFR in STEMI-I
Lead Sponsor:
RenJi Hospital
Conditions:
ST Segment Elevation Myocardial Infarction
Eligibility:
All Genders
Brief Summary
The study intends to provide important data on whether the noval method using quantitative flow ratio could predict microvascular dysfunction.
Detailed Description
Microvascular dysfunction (MVD) is a serious complication of PCI, which happens frequently after STEMI and always correlates with a poor prognosis. However, precise and simplified assessment of MVD is...
Eligibility Criteria
Inclusion
- STEMI patients treated with revasculation within 12 hours from onset of symptoms to PCI time and received CMR 5 days afterwards. STEMI was defined as a combination of the following: chest pain for more than 30min, electrocardiographic (ECG) changing with ST segment elevation of \>2 mm in at least 2 precordial leads and \>1 mm in limb leads, and abnormal troponin levels or CKMB levels higher than twice the upper limit of normal.
- Patients with TFG 2/3 in the initial angiography of the culprit vessel.
Exclusion
- Patients with left bundle branch block in the presenting ECG, cardiogenic shock, PCI or bypass surgery history.
- Patients with residual stenosis \<50%.
- Patients with unqualified coronary angiographic images with problems such as ostial lesion, severe vessel tortuosity and diffuse long lesions.
Key Trial Info
Start Date :
January 1 2015
Trial Type :
OBSERVATIONAL
Allocation :
ACTUAL
End Date :
September 30 2018
Estimated Enrollment :
162 Patients enrolled
Trial Details
Trial ID
NCT03780335
Start Date
January 1 2015
End Date
September 30 2018
Last Update
April 10 2020
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