Related Experiment Video

Updated: Feb 7, 2026

Image Rendering Techniques in Postmortem Computed Tomography: Evaluation of Biological Health and Profile in Stranded Cetaceans
12:32

Image Rendering Techniques in Postmortem Computed Tomography: Evaluation of Biological Health and Profile in Stranded Cetaceans

Published on: September 27, 2020

10.2K

Quantified evaluation of tracheal compression in pediatric complex congenital vascular ring by computed tomography

Rong Xu1, Ke Shi1, Zhi-Gang Yang2

  • 1Department of Radiology, West China Hospital, Sichuan University, 37# Guo Xue Xiang, Chengdu, Sichuan, 610041, China.

Scientific Reports
|July 27, 2018
PubMed

Insights

Early diagnosis of pediatric vascular ring (VR) with congenital heart disease (CHD) is crucial. Dual-source CT effectively quantifies tracheal compression, aiding surgical decisions for VR patients.

Area of Science:

  • Cardiology
  • Pediatric Surgery
  • Radiology

Background:

  • Vascular ring (VR) associated with congenital heart disease (CHD) requires timely diagnosis and surgical intervention.
  • Accurate assessment of tracheal compression is vital for successful VR repair surgery in children.

Purpose of the Study:

  • To quantitatively assess tracheal compression in pediatric patients with VR and CHD using dual-source computed tomography (DSCT).
  • To provide crucial information for surgical decision-making in VR cases.
  • To correlate the degree of tracheal compression with symptom severity and surgical outcomes.

Main Methods:

  • Quantitative measurements of tracheal dimensions (short diameter, long diameter, area, length) were performed using DSCT in 49 VR patients with CHD and 56 controls.
  • The degree of tracheal compression was assessed and correlated with clinical symptoms.
  • Agreement analysis was conducted for different compression ratio metrics (1-long diameter ratio, 1-short diameter ratio, 1-area ratio).

Main Results:

  • A strong correlation (r=0.84) was observed between greater tracheal compression on DSCT and more severe symptoms in VR patients with CHD.
  • Significant differences in tracheal compression were found between VR patients who underwent surgery and those who did not (P=0.002).
  • High agreement was noted among the (1-long diameter ratio), (1-short diameter ratio), and (1-area ratio) metrics.

Conclusions:

  • DSCT provides accurate quantitative data on tracheal compression in pediatric VR with CHD.
  • The 1-area ratio derived from DSCT is a valuable metric for evaluating tracheal compression and may aid in VR surgical repair planning.

More Related Videos

Using High Resolution Computed Tomography to Visualize the Three Dimensional Structure and Function of Plant Vasculature11:49

Using High Resolution Computed Tomography to Visualize the Three Dimensional Structure and Function of Plant Vasculature

Published on: April 5, 2013

21.6K
Quantification of Atherosclerotic Plaque Activity and Vascular Inflammation using [18-F] Fluorodeoxyglucose Positron Emission Tomography/Computed Tomography FDG-PET/CT10:02

Quantification of Atherosclerotic Plaque Activity and Vascular Inflammation using [18-F] Fluorodeoxyglucose Positron Emission Tomography/Computed Tomography FDG-PET/CT

Published on: May 2, 2012

18.7K

Related Concept Videos

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...
8.8K
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...
389
Seedless Vascular Plants03:24

Seedless Vascular Plants

Seedless Vascular Plants Were the First Tall Plants on Earth
67.1K
Quantifying Work02:30

Quantifying Work

As a system undergoes a change, its internal energy can change, and energy can be transferred from the system to the surroundings, or from the surroundings to the system.
24.5K
Behavior of Concrete Under Compressive Load01:23

Behavior of Concrete Under Compressive Load

Concrete exhibits specific behaviors under different compressive loads. Understanding this is crucial for understanding its structural integrity. When concrete undergoes uniaxial compression, it tends to develop cracks that run parallel to the direction of the force. These parallel cracks stem from localized tensile stresses that occur perpendicular to the compression direction. Additionally, angled cracks may appear due to the formation of shear planes.
As the concrete specimen fractures under...
643
Pharmacokinetics in Pediatric Patients: Drug Excretion01:26

Pharmacokinetics in Pediatric Patients: Drug Excretion

In pediatric medicine, understanding the renal function and drug elimination nuances is crucial for administering safe and effective treatments. Newborns, in particular, display markedly slower renal functions than adults, profoundly affecting how drugs are cleared from their bodies. This slower drug clearance requires clinicians to extend the dosing intervals for many medications to prevent drug accumulation and toxicity while ensuring therapeutic efficacy.One key area where these adjustments...
266