Predictors of No-Reflow Phenomenon in Young Patients With Acute ST-Segment Elevation Myocardial Infarction Undergoing

Turgay Celik1, Sevket Balta2, Cengiz Ozturk1

  • 1Department of Cardiology, School of Medicine, Gulhane Military Medical Academy, Etlik, Ankara, Turkey.

Angiology
|September 16, 2015
PubMed

Insights

No-reflow after primary percutaneous coronary intervention (pPCI) for ST-segment elevation myocardial infarction (STEMI) is predicted by female gender, longer pain to balloon times, and higher thrombus burden. Tirofiban use, however, was protective against no-reflow in young STEMI patients.

Area of Science:

  • Cardiology
  • Interventional Cardiology
  • Vascular Medicine

Background:

  • No-reflow phenomenon is a significant prognostic indicator in ST-segment elevation myocardial infarction (STEMI).
  • Limited research exists on no-reflow specifically within the young STEMI patient demographic.
  • Primary percutaneous coronary intervention (pPCI) is the standard reperfusion therapy for STEMI.

Purpose of the Study:

  • To investigate the predictors of the no-reflow phenomenon in young patients experiencing STEMI.
  • To identify demographic, clinical, and laboratory factors associated with no-reflow post-pPCI.

Main Methods:

  • A cohort of young STEMI patients treated with pPCI within 12 hours of symptom onset was analyzed.
  • Patients were stratified into no-reflow (Thrombolysis in Myocardial Infarction [TIMI] flow grade 0-2) and angiographic success (TIMI flow grade 3) groups.
  • Multivariable logistic regression analysis was employed to determine independent predictors of no-reflow.

Main Results:

  • Female gender, increased pain to balloon time, and high TIMI thrombus grade were independently associated with a higher likelihood of no-reflow.
  • Tirofiban use demonstrated a protective effect, significantly reducing the odds of no-reflow.
  • Elevated mean platelet volume (MPV) and platelet-lymphocyte ratio (PLR) were also identified as independent predictors of no-reflow.

Conclusions:

  • Female sex, prolonged ischemia time, and high thrombus burden are key independent predictors of no-reflow in young STEMI patients undergoing pPCI.
  • The medication tirofiban appears to mitigate the risk of no-reflow in this population.
  • MPV and PLR may serve as useful biomarkers for predicting no-reflow in young STEMI patients.

Related Concept Videos

Acute Coronary Syndrome I: Introduction01:30

Acute Coronary Syndrome I: Introduction

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...
1.7K
Acute Coronary Syndrome III: Diagnostic Studies01:30

Acute Coronary Syndrome III: Diagnostic Studies

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...
451
Acute Coronary Syndrome IV: Interprofessional Care01:28

Acute Coronary Syndrome IV: Interprofessional Care

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...
468
Acute Coronary Syndrome II: Pathophysiology and Clinical Manifestations01:19

Acute Coronary Syndrome II: Pathophysiology and Clinical Manifestations

The pathophysiology of Acute Coronary Syndrome [ACD] involves several key processes:The main underlying cause of ACD is atherosclerosis, a chronic inflammatory disease characterized by the buildup of lipid-laden plaques within the coronary arteries.As the atherosclerotic plaque grows in the coronary artery, it may become unstable due to the formation of a lipid-rich core and a thin fibrous cap. Inflammatory cells within the plaque, such as macrophages, secrete enzymes that degrade the...
751
Cardiac Catheterization IV: Nursing Management01:26

Cardiac Catheterization IV: Nursing Management

Nursing responsibilities before cardiac catheterization include:Assess for allergies and establish baseline health status.Before cardiac catheterization, assess the patient for allergies to contrast dye. Perform a comprehensive baseline assessment, including vital signs, heart and breath sounds, and a neurovascular assessment of the extremities, noting distal pulses, skin color, and temperature. Instruct the patient to fast for 8-12 hours before the procedure. Evaluate baseline laboratory...
1.1K
Cardiac Catheterization I: Pre-Procedure Overview01:28

Cardiac Catheterization I: Pre-Procedure Overview

Cardiac catheterization is an invasive diagnostic technique used to identify and evaluate structural and functional diseases of the heart and major blood vessels. This technique diagnoses congenital heart disease, coronary artery disease, valvular heart disease, and coronary spasms and assesses ventricular function. It helps guide treatment decisions, including the need for revascularization procedures like percutaneous coronary intervention (PCI) or coronary artery bypass grafting (CABG) and...
2.7K