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Related Concept Videos

Acute Coronary Syndrome III: Diagnostic Studies01:30

Acute Coronary Syndrome III: Diagnostic Studies

35
Diagnosing acute coronary syndrome or ACS begins with a thorough patient history. Notable symptoms include central, crushing chest pain radiating to the left arm, neck, jaw, or back, along with shortness of breath, sweating (diaphoresis), nausea, vomiting, dizziness, and palpitations.It is crucial to note any history of cardiac illnesses and assess risk factors, including age, gender, smoking, hypertension, diabetes, hyperlipidemia, and a sedentary lifestyle.During physical examination, vital...
35

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Optimized Management of Endovascular Treatment for Acute Ischemic Stroke
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EROSION III: A Multicenter RCT of OCT-Guided Reperfusion in STEMI With Early Infarct Artery Patency.

Haibo Jia1, Jiannan Dai1, Luping He1

  • 1Department of Cardiology, The 2nd Affiliated Hospital of Harbin Medical University, Harbin, China; The Key Laboratory of Myocardial Ischemia, Chinese Ministry of Education, Harbin, China.

JACC. Cardiovascular Interventions
|April 3, 2022
PubMed
Summary
This summary is machine-generated.

Optical coherence tomography (OCT) guidance reduced stent implantation in ST-segment elevation myocardial infarction (STEMI) patients with patent arteries. OCT imaging optimizes reperfusion strategies, showing value in clinical practice.

Keywords:
ST-segment elevation myocardial infarctionoptical coherence tomographyreperfusionstent

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Area of Science:

  • Cardiology
  • Medical Imaging
  • Interventional Cardiology

Background:

  • Angiography has limitations in assessing the underlying pathophysiology of culprit lesions.
  • Optical coherence tomography (OCT) offers detailed insights into lesion characteristics.
  • Early infarct artery patency in ST-segment elevation myocardial infarction (STEMI) presents a unique scenario for reperfusion strategy evaluation.

Purpose of the Study:

  • To evaluate if OCT guidance provides additional information beyond angiography.
  • To determine if OCT guidance shifts reperfusion strategy and improves clinical outcomes.
  • To assess the efficacy and safety of OCT-guided reperfusion in STEMI patients with early infarct artery patency.

Main Methods:

  • EROSION III study: an open-label, prospective, multicenter, randomized controlled trial.
  • STEMI patients with angiographic diameter stenosis ≤ 70% and TIMI flow grade 3 were randomized to OCT or angiographic guidance.
  • Primary efficacy endpoint was the rate of stent implantation.

Main Results:

  • A 15% reduction in stent implantation was observed with OCT guidance (43.8%) compared to angiographic guidance (58.8%).
  • OCT guidance resulted in lower residual diameter stenosis post-stenting (8.7% vs 11.8%).
  • Safety endpoints and 1-year cardiocerebrovascular events were comparable between groups.

Conclusions:

  • OCT guidance is associated with less stent implantation in STEMI patients with early infarct artery patency.
  • OCT imaging is valuable for optimizing reperfusion strategies in STEMI.
  • The findings support the use of OCT to refine percutaneous coronary intervention.