Comparison of Clinical Outcomes of IVUS -Guided and Angiography-guided PCI in Patients With Acute STEMI

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

AVAILABLE

Study Classification

EXPANDED_ACCESS

Brief Summary

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To compare the long-term clinical outcomes of IVUS-guided vs angiography-guided PCI in patients with acute STEMI

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Detailed Description

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This study is a prospective, multicenter, randomized controlled trial, led by the second hospital affiliated to zhejiang university school of medicine, A total of 10 hospitals in zhejiang province interventional cardiovascular center to participate in, plan to recruit 200 STEMI patients.

Subjects according to the proportion of 1:1 were randomly allocated to two treatment groups.(Experimental group (IVUS) steering group or control group (imaging) steering group.) Plan 10 centers in 200 men and women aged 18 and older patients, according to the American heart association and the United States The college of cardiology interventional treatment guidelines for the participants.

Each center recruiting number does not exceed 40% of the total plan recruitment.

Conditions

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ST Elevation Myocardial Infarction

Interventions

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Intravascular Ultrasound (IVUS) -guided Primary Percutaneous Intervention (PCI)

Preoperative criminal vascular assessment； The criminal vascular assessment after surgery

Intervention Type PROCEDURE

Other Intervention Names

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Angiography-guided Primary Percutaneous Intervention (PCI)

Eligibility Criteria

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Inclusion Criteria

-Clinical Inclusion (CI) Criteria: CI. Age \> 18 years C2. Onset of STEMI \> 30 minutes, but \< 12 hours C3. ST segment elevation in at least 2 contiguous leads of≥ 1mm or newly developed LBBB on ECG C4. Willing and able to provide informed consent

* Angiographic Inclusion (AI) Criteria (visual estimate) AI1. Having at least one infarct-related coronary artery of which
* the Culprit lesion is suitable for stenting
* the reference diameter of culprit vessel is ≥ 2.5 mm but ≤ 4 mm
* the TIMI flow is ≤ 1 in culprit lesion segment prior to guide wire crossing AI2. No excessive tortuosity and calcification in the culprit lesion segment that allowing stent implantation

Exclusion Criteria

* Clinical Exclusion (CE) Criteria CE1. Contraindicating to any concomitant study medications CE2. Having cardiogenic shock with hemodynamic instability CE3. A history of bleeding diathesis or known coagulopathy CE4. A history of cerebrovascular accident (CVA) or transient ischemic attack (TIA) within the past 6 months; or a history of intracranial tumor, aneurysm or arteriovenous malformations; or a history of active peptic ulcer or active gastrointestinal (GI) bleeding within the past 2 months; or planned major procedure within 6 weeks; or known platelet count \< 100,000 /mm3 or Hb \< 10 g/dL CE5. Planned surgery which may cause discontinuation of ADP-receptor antagonist CE6. Other serious illness (e.g., cancer) that may reduce life expectancy to less than 1 year CE7. Repeated MI within 7 days of hospitalization for acute MI
* Angiographic Exclusion (AE) Criteria (visual estimate) AE1. Bifurcated lesion unable to identify the culprit lesion AE2. The culprit lesion is located in the left main artery. AE3. Diffusive lesions without distinguishable culprit lesion AE4. Previous stent implantation in the culprit lesion segment or STEMI caused by stent thrombosis AE5. Likely CABG procedure within 30 days

Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No