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Related Concept Videos

Computed Tomography01:10

Computed Tomography

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Tomography refers to imaging by sections. Computed tomography (CT) is a non-invasive imaging technique that uses computers to analyze several cross-sectional X-rays to reveal minute details about structures in the body.
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Acute Coronary Syndrome III: Diagnostic Studies01:30

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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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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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Cardiac Catheterization III: Left Heart Catheterization01:24

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Left heart catheterization is an invasive diagnostic procedure used to evaluate the function and structure of the left side of the heart. It is generally performed to diagnose and treat cardiovascular conditions such as valve abnormalities, coronary artery disease, and congenital heart defects.Diagnostic and therapeutic purposesLeft heart catheterization serves various diagnostic and therapeutic purposes, including:Assessing coronary artery bypass grafts.Evaluating coronary artery disease in...
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Cardiac Catheterization II: Right Heart Catheterization01:21

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Right Heart Catheterization: An OverviewRight heart catheterization is an invasive diagnostic procedure that measures right-sided cardiac and pulmonary artery pressures, calculates cardiac output, and identifies intracardiac shunts. It provides detailed hemodynamic data essential for diagnosing and managing various cardiovascular conditions, such as pulmonary hypertension.Access SitesCommon access sites for right heart catheterization include the internal jugular vein in the neck region, the...
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Imaging Studies III: Computed Tomography01:27

Imaging Studies III: Computed Tomography

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DefinitionComputed Tomography (CT) of the genitourinary (GU) tract is a non-invasive imaging modality that utilizes X-rays and computer processing to generate detailed cross-sectional images of the urinary system, encompassing the kidneys, ureters, bladder, and adjacent structures such as the adrenal glands.PurposeCT scans of the GU tract serve several diagnostic and therapeutic purposes, including:Diagnosis of Urinary Tract Diseases: Detects kidney stones, tumors, cysts, and congenital...
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In Vivo, Percutaneous, Needle Based, Optical Coherence Tomography of Renal Masses
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Optical Coherence Tomography Guided Percutaneous Coronary Intervention.

Francis J Ha1, Joel P Giblett2, Nitesh Nerlekar1

  • 1Monash Cardiovascular Research Centre, Monash University and MonashHeart, Monash Health, Melbourne, Vic, Australia.

Heart, Lung & Circulation
|August 19, 2017
PubMed
Summary

Optical coherence tomography (OCT) provides high-resolution intracoronary imaging for percutaneous coronary intervention (PCI). Randomized trials are needed to confirm if OCT guidance improves clinical outcomes.

Keywords:
Coronary artery diseaseOptical coherence tomographyPercutaneous coronary intervention

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Area of Science:

  • Cardiovascular Imaging
  • Interventional Cardiology

Background:

  • Optical coherence tomography (OCT) is a high-resolution intracoronary imaging technique.
  • OCT uses light emission and reflection for rapid data acquisition without sacrificing image resolution.

Purpose of the Study:

  • To define luminal geometry and plaque composition for percutaneous coronary intervention (PCI) planning.
  • To assess the treated arterial segment post-PCI, identifying specific features like dissections, prolapse, or thrombus.

Main Methods:

  • Utilizing OCT for detailed analysis of coronary arteries before and after PCI.
  • Employing a sizing protocol based on external elastic lamina dimensions to address stent sizing concerns.

Main Results:

  • OCT findings frequently alter procedural strategies during PCI.
  • A sizing protocol based on external elastic lamina dimensions mitigates concerns over final stent dimensions.

Conclusions:

  • OCT is a valuable tool for guiding PCI by providing detailed anatomical and plaque information.
  • Randomized trials are necessary to establish whether OCT-guided PCI improves clinical outcomes.