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Related Concept Videos

Imaging Studies III: Computed Tomography01:27

Imaging Studies III: Computed Tomography

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...
Computed Tomography01:10

Computed Tomography

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.
The technique was invented in the 1970s and is based on the principle that as X-rays pass through the body, they are absorbed or reflected at different levels. In the technique, a patient lies on a motorized platform while a computerized axial tomography (CAT) scanner rotates...
Imaging Studies for Cardiovascular System V: CT01:28

Imaging Studies for Cardiovascular System V: CT

Cardiac computed tomography (CT) scanning is an advanced cardiac imaging technique that utilizes CT technology, with or without intravenous (IV) contrast, to produce accurate cross-sectional virtual slices of specific areas of the heart, coronary circulation, and major blood vessels such as the aorta, pulmonary veins, and arteries. The computer processes these slices to generate three-dimensional images. Multidetector CT (MDCT) is a rapid form of CT scanning that captures multiple slices...
Imaging Studies VII: Vascular Imaging01:19

Imaging Studies VII: Vascular Imaging

DefinitionRenal angiography, also known as renal arteriography, is an imaging technique used to obtain a comprehensive view of blood flow and the vascular structure of blood vessels in the kidneys and surrounding areas.PurposeRenal angiography detects blood vessel abnormalities in the kidneys, such as aneurysms, stenosis, thrombosis, vascular tumors, and renal artery stenosis. It evaluates kidney function and guides interventional treatments like angioplasty or stent placement.Pre-Procedure...

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Related Experiment Video

Updated: May 9, 2026

Imaging In-Stent Restenosis: An Inexpensive, Reliable, and Rapid Preclinical Model
09:46

Imaging In-Stent Restenosis: An Inexpensive, Reliable, and Rapid Preclinical Model

Published on: September 14, 2009

Stent evaluation with optical coherence tomography.

Seung-Yul Lee1, Myeong-Ki Hong

  • 1Division of Cardiology, Severance Cardiovascular Hospital, Yonsei University College of Medicine, 50 Yonsei-ro, Seodaemun-gu, Seoul 120-752, Korea.

Yonsei Medical Journal
|August 7, 2013
PubMed
Summary

Optical coherence tomography (OCT) offers superior visualization of coronary artery disease compared to intravascular ultrasound. OCT aids in detecting stent strut coverage and neoatherosclerosis, crucial for predicting patient outcomes after stenting.

Keywords:
Optical coherence tomographycoronary artery diseasestent

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In vivo Structural Assessments of Ocular Disease in Rodent Models using Optical Coherence Tomography
07:44

In vivo Structural Assessments of Ocular Disease in Rodent Models using Optical Coherence Tomography

Published on: July 24, 2020

Area of Science:

  • Interventional Cardiology
  • Cardiovascular Imaging
  • Biomedical Engineering

Background:

  • Coronary artery disease management relies on accurate intravascular imaging.
  • Optical coherence tomography (OCT) provides higher resolution than intravascular ultrasound.
  • Evaluating neointimal tissue post-stent implantation is critical for patient outcomes.

Purpose of the Study:

  • To highlight the advanced capabilities of OCT in assessing coronary artery disease.
  • To explore OCT's role in evaluating neointimal healing, stent strut coverage, and neoatherosclerosis.
  • To demonstrate OCT's potential in predicting clinical events and improving stent therapy.

Main Methods:

  • Utilizing Optical Coherence Tomography (OCT) for intravascular imaging.
  • Comparing OCT's resolution and accuracy with intravascular ultrasound.
  • Analyzing OCT-derived data on neointimal tissue, strut coverage, and neoatherosclerosis.

Main Results:

  • OCT offers superior visualization of vascular structures and neointimal tissue compared to intravascular ultrasound.
  • OCT accurately detects stent strut coverage and characterizes neointimal tissue in vivo.
  • OCT identifies neoatherosclerosis, a cause of late luminal narrowing and adverse events.

Conclusions:

  • OCT is a valuable tool for assessing coronary artery disease and stent performance.
  • OCT findings like strut coverage and neoatherosclerosis are linked to clinical safety and outcomes.
  • Advancements in OCT technology promise to enhance stent therapy and interventional cardiology.