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Related Concept Videos

Imaging Studies for Cardiovascular System VI: Calcium -Scoring CT01:25

Imaging Studies for Cardiovascular System VI: Calcium -Scoring CT

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Calcium-Scoring CT ScanA calcium-scoring CT scan, also known as coronary artery calcium (CAC) scan, detects calcium deposits in the coronary arteries. This test assesses the risk of coronary artery disease (CAD), which can lead to cardiovascular events such as angina, heart failure, and sudden cardiac arrest.A calcium-scoring CT scan is generally recommended for individuals at intermediate risk of CAD without symptoms. It includes:Men aged 40-75 and women aged 50-75: Especially those with a...
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Cardiac Catheterization I: Pre-Procedure Overview01:28

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

Acute Coronary Syndrome IV: Interprofessional Care

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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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Coronary Artery Disease V: Interprofessional Care01:27

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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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Acute Coronary Syndrome I: Introduction01:30

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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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Antianginal Drugs: Calcium Channel Blockers and Ranolazine01:25

Antianginal Drugs: Calcium Channel Blockers and Ranolazine

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Angina pectoris, a primary symptom of ischemic heart disease, requires careful pharmacological interventions. In this context, calcium channel blockers (CCBs) and ranolazine have emerged as crucial pharmacotherapeutic agents, providing deep insights into the complexities of angina management.
CCBs, a diverse class that includes dihydropyridines (nifedipine) and diphenylalkylamines (verapamil and diltiazem), exert their effect by blocking calcium channels in cardiac and smooth muscle cells. This...
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Related Experiment Video

Updated: Aug 25, 2025

Author Spotlight: Advancing Cardiovascular Imaging - Introducing the Spatially Weighted Calcium Score for Early Disease Detection
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Calcium Modification in Percutaneous Coronary Interventions.

Richard A Shlofmitz1, Keyvan Karimi Galougahi1, Allen Jeremias2

  • 1Staint Francis Hospital & Heart Center, 100 Port Washington Boulevard, Roslyn, NY 11576, USA.

Interventional Cardiology Clinics
|October 15, 2022
PubMed
Summary
This summary is machine-generated.

Intravascular imaging, like optical coherence tomography (OCT), guides the treatment of calcified lesions during percutaneous coronary intervention (PCI). OCT helps predict the need for atherectomy and assesses techniques to improve stent expansion for better patient outcomes.

Keywords:
Coronary calcificationIntravascular lithotripsyIntravascular ultrasoundOptical coherence tomographyOrbital atherectomyRotational atherectomy

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Area of Science:

  • Interventional Cardiology
  • Medical Imaging
  • Biomedical Engineering

Background:

  • Moderate-to-severe arterial calcification poses risks, increasing procedural complications and worsening long-term prognosis after percutaneous coronary intervention (PCI).
  • Intravascular imaging modalities, especially optical coherence tomography (OCT), are crucial for navigating and treating complex calcified coronary lesions.

Purpose of the Study:

  • To highlight the role of intravascular imaging in managing calcified lesions.
  • To outline strategies for lesion modification to ensure adequate stent expansion.
  • To emphasize the importance of imaging in treating in-stent restenosis with calcification.

Main Methods:

  • Utilizing OCT to assess calcium characteristics (length, arc, thickness) to predict stent expansion.
  • Employing an algorithmic approach with intravascular imaging guidance for lesion modification.
  • Applying various techniques including balloon angioplasty, atherectomy, intravascular lithotripsy (IVL), and Excimer laser to fracture calcium.

Main Results:

  • A weighted sum of OCT-derived calcium metrics effectively predicts the need for atherectomy.
  • Calcium fracture, achieved through multiple techniques, demonstrably improves stent expansion.
  • Intravascular imaging is vital for identifying and managing peri-strut calcium in in-stent restenosis.

Conclusions:

  • Intravascular imaging, particularly OCT, is indispensable for optimizing PCI in calcified lesions.
  • A tailored, imaging-guided approach to calcium modification improves procedural success and stent deployment.
  • Effective management of calcified lesions, including in-stent restenosis, relies on advanced intravascular imaging and lesion preparation techniques.