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Related Concept Videos

Acute Coronary Syndrome I: Introduction01:30

Acute Coronary Syndrome I: Introduction

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Acute Coronary Syndrome (ACS) encompasses a spectrum of heart conditions caused by sudden obstruction of coronary arteries, typically resulting from the rupture of an atherosclerotic plaque and subsequent thrombus (blood clot) formation. This obstruction can lead to partial or complete blockage of blood flow, causing varying degrees of myocardial ischemia or infarction.ACS includes the following clinical entities:Unstable Angina (UA)Non-ST-Elevation Myocardial Infarction (NSTEMI)ST-Elevation...
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IntroductionThe management of Acute Coronary Syndrome (ACS) aims to minimize myocardial damage, preserve myocardial function, and prevent complications.Initial ManagementInpatient management involves continuous cardiac monitoring, preferably in an ICU, focusing on blood pressure, serum sodium, potassium, and creatinine levels, and urine output. Ongoing pharmacologic management is crucial for stabilizing the patient.Supplemental Oxygen: Administer supplemental oxygen if oxygen saturation is...
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Interprofessional care for coronary artery disease includes pharmacological therapy and revascularization procedures.Pharmacological therapy for Coronary Artery Disease (CAD) aims to manage symptoms, prevent complications, and improve patient outcomes through various classes of medications:Antiplatelet Agents:Aspirin and Clopidogrel: These medications inhibit platelet aggregation, preventing blood clots, which is crucial for avoiding heart attacks and strokes. Doctors often prescribe these...
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Mitral stenosis, a condition marked by the narrowing of the mitral valve, necessitates an integrated approach for effective management. This approach includes preventative measures, medical therapy, and surgical interventions to reduce symptoms and prevent complications.PreventionPrevention of mitral stenosis primarily focuses on reducing the incidence of bacterial infections, particularly streptococcal infections, which can lead to rheumatic fever and subsequent valvular damage. Timely...
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Related Experiment Video

Updated: Jul 12, 2025

A Murine Model of Stent Implantation in the Carotid Artery for the Study of Restenosis
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Direct Stenting versus Conventional Stenting in Patients with ST-Segment Elevation Myocardial Infarction-A COMPARE

Rosanne F Vogel1,2, Ronak Delewi2, Jeroen M Wilschut3

  • 1Department of Cardiology, University Medical Center Utrecht, 3584 CX Utrecht, The Netherlands.

Journal of Clinical Medicine
|October 28, 2023
PubMed
Summary

Direct stenting (DS) and conventional stenting (CS) showed similar early reperfusion outcomes in ST-segment elevation myocardial infarction (STEMI) patients. Both methods demonstrated comparable stent diameter and one-year vessel patency in this study.

Keywords:
ST-segment elevation myocardial infarctiondirect stentingpretreatmentprimary percutaneous coronary intervention

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Area of Science:

  • Interventional Cardiology
  • Cardiovascular Research
  • Medical Device Technology

Background:

  • Direct stenting (DS) may reduce distal embolization during percutaneous coronary intervention (PCI), potentially improving tissue reperfusion.
  • However, DS might increase risks of stent underexpansion and target lesion failure compared to conventional stenting (CS).
  • This study investigates these outcomes in ST-segment elevation myocardial infarction (STEMI) patients.

Purpose of the Study:

  • To compare the efficacy of direct stenting (DS) versus conventional stenting (CS) in STEMI patients undergoing primary PCI.
  • To assess differences in stent diameter, early reperfusion (TIMI flow, ST-segment resolution), and long-term target lesion failure.

Main Methods:

  • A sub-study of the randomized COMPARE CRUSH trial involving 446 contemporary, pretreated STEMI patients.
  • Comparison of DS versus CS, evaluating stent diameter, post-PCI TIMI flow, one-hour ST-segment resolution (STR), and one-year target lesion failure.
  • Propensity score weighting was used to adjust for potential treatment selection bias in proportional variables.

Main Results:

  • Stent diameters were comparable between DS and CS groups (3.2 ± 0.5 mm).
  • Post-PCI TIMI 3 flow (93% vs. 90%) and complete STR rates (72% vs. 58%) were similar between DS and CS.
  • One-year target lesion failure rates were also comparable (2% for DS vs. 1% for CS).

Conclusions:

  • Direct stenting (DS) showed no difference in early myocardial reperfusion outcomes compared to conventional stenting (CS) in this STEMI cohort.
  • DS demonstrated comparable stent diameter and one-year vessel patency to CS.
  • Findings suggest DS is a viable alternative to CS in pretreated STEMI patients, with similar safety and efficacy profiles.