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Related Concept Videos

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...
Acute Coronary Syndrome V: Nursing Management01:26

Acute Coronary Syndrome V: Nursing Management

Nursing Assessment:Nursing management of acute coronary syndrome (ACS) involves taking the patient's history, focusing on primary complaints such as chest pain, dyspnea, and excessive sweating (diaphoresis), as well as other symptoms like back or jaw pain, nausea, vomiting, palpitations, dizziness, and fatigue. The nurse also reviews the patient's history of cardiac events, risk factors such as hypertension, diabetes, smoking, family history, and current medications.In the objective assessment,...
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...

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Related Experiment Video

Updated: May 31, 2026

Surgical Porcine Model of Chronic Myocardial Ischemia Treated by Exosome-laden Collagen Patch and Off-pump Coronary Artery Bypass Graft
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Published on: September 15, 2023

Lessons from human coronary aspirate.

Petra Kleinbongard1, Thomas Konorza, Dirk Böse

  • 1Institut für Pathophysiologie, Universitätsklinikum Essen, Germany.

Journal of Molecular and Cellular Cardiology
|July 19, 2011
PubMed
Summary
This summary is machine-generated.

Stent implantation during coronary artery procedures allows analysis of plaque debris and soluble substances. This analysis enhances understanding of vulnerable plaque and microvascular events like no-reflow.

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Coronary Progenitor Cells and Soluble Biomarkers in Cardiovascular Prognosis after Coronary Angioplasty

Published on: January 28, 2020

Area of Science:

  • Cardiovascular Medicine
  • Interventional Cardiology
  • Pathophysiology

Background:

  • Stent implantation in atherosclerotic coronary arteries models human plaque rupture.
  • Protection devices enable retrieval of embolic material and soluble substances.
  • Coronary microembolization can cause no-reflow phenomenon.

Purpose of the Study:

  • To analyze particulate debris and soluble substances from coronary plaque rupture during stenting.
  • To correlate findings with clinical symptoms, stenosis, and plaque burden.
  • To understand the pathophysiology of vulnerable atherosclerotic plaque.

Main Methods:

  • Interventional stent implantation with protection devices.
  • Ex vivo analysis of retrieved particulate debris (cholesterol crystals, foam cells, calcium, platelets, coagulation material).
  • Analysis of soluble substances (serotonin, thromboxane, TNFα) using bioassays and intravascular ultrasound.

Main Results:

  • Particulate debris includes atheroma components and thrombotic material.
  • Soluble substances include vasoconstrictors and inflammatory mediators like TNFα.
  • Vasoconstriction ex vivo correlates with clinical symptoms, stenosis, and plaque burden.
  • TNFα release correlates with restenosis.

Conclusions:

  • Analysis of coronary aspirate provides insights into vulnerable plaque pathophysiology.
  • Understanding these mechanisms can help antagonize microvascular consequences of coronary microembolization.
  • This research contributes to understanding coronary blood flow dynamics.