Related Experiment Video

Updated: Aug 23, 2025

Echocardiographic Evaluation of Atrial Communications before Transcatheter Closure
07:41

Echocardiographic Evaluation of Atrial Communications before Transcatheter Closure

Published on: February 8, 2022

3.8K

Comparison between Cardiac CTA and Echocardiography for Assessment of Ventricular Septal Rupture Diameter and Its

Tongfeng Chen1, Yuhao Liu1, Jing Zhang1

  • 1People's Hospital of Zhengzhou University, Heart Center of Henan Provincial People's Hospital/Central China Fuwai Hospital/Henan Key Laboratory of Coronary Heart Disease Control/Henan Research Center for Cardiovascular Epidemiology, Zhengzhou 450003, China.

Cardiovascular Therapeutics
|November 2, 2022
PubMed

Insights

Cardiac computed tomographic angiography (CTA) offers more accurate assessment of ventricular septal rupture (VSR) diameter than echocardiography. CTA measurements correlated better with postoperative occluder size, indicating superior precision for VSR evaluation.

Area of Science:

  • Cardiology
  • Medical Imaging
  • Interventional Cardiology

Background:

  • Ventricular septal rupture (VSR) is a serious complication requiring accurate diameter assessment for treatment.
  • Transcatheter occlusion is a common treatment for VSR.
  • Accurate measurement of VSR diameter is crucial for successful occlusion and patient outcomes.

Purpose of the Study:

  • To compare the accuracy of cardiac computed tomographic angiography (CTA) versus echocardiography in assessing ventricular septal rupture (VSR) diameter.
  • To evaluate the correlation between imaging measurements and postoperative occluder size.

Main Methods:

  • A total of 44 VSR patients undergoing transcatheter occlusion were randomly assigned to either a CTA or echocardiography group.
  • Clinical, operative, and 30-day follow-up data were collected and analyzed.
  • Correlation analysis was performed between imaging-derived diameters and postoperative occluder dimensions.

Main Results:

  • Cardiac CTA demonstrated a significantly lower mean residual shunt volume compared to echocardiography (2.1 mm vs 4.2 mm, p=0.005).
  • Postoperative occluder diameter showed the strongest correlation with long diameter (r=0.799, p<0.001) and mean diameter (r=0.740, p<0.001) measured by CTA.
  • Echocardiography measurements did not correlate with postoperative occluder diameter.

Conclusions:

  • Cardiac CTA provides a more accurate assessment of VSR diameter compared to echocardiography.
  • CTA measurements are more reliable in predicting postoperative occluder fit and VSR closure success.
Abstract

More Related Videos

Four-Dimensional Computed Tomography-Guided Valve Sizing for Transcatheter Pulmonary Valve Replacement09:57

Four-Dimensional Computed Tomography-Guided Valve Sizing for Transcatheter Pulmonary Valve Replacement

Published on: January 20, 2022

2.7K
Time-Resolved, Dynamic Computed Tomography Angiography for Characterization of Aortic Endoleaks and Treatment Guidance via 2D-3D Fusion-Imaging09:32

Time-Resolved, Dynamic Computed Tomography Angiography for Characterization of Aortic Endoleaks and Treatment Guidance via 2D-3D Fusion-Imaging

Published on: December 9, 2021

3.0K

Related Concept Videos

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...
58
Imaging Studies for Cardiovascular System II:Types of Echocardiography01:20

Imaging Studies for Cardiovascular System II:Types of Echocardiography

Echocardiography plays a role in assessing cardiac health and detecting heart conditions, with various types providing critical insights for diagnosis and treatment.
Types of Echocardiography
Transthoracic Echocardiography (TTE)
TTE is the most common type of echocardiogram which involves placing a transducer on the patient's chest, emitting sound waves to create heart images. TTE is invaluable for evaluating the heart's size, structure, and motion, making it particularly useful for...
372
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...
20
Venous Thrombosis II: Clinical Manifestations and Diagnostic Studies01:20

Venous Thrombosis II: Clinical Manifestations and Diagnostic Studies

The key difference between Superficial Vein Thrombosis (SVT) and Deep Vein Thrombosis (DVT) lies in their location and severity.Clinical ManifestationsSVT typically presents with localized pain, tenderness, and redness along the course of a superficial vein, often accompanied by a palpable, cord-like structure under the skin. This condition is usually less dangerous than DVT but can be uncomfortable and may lead to complications such as cellulitis or, rarely, a clot extension into the deep...
27
Imaging Studies for Cardiovascular System I:Echocardiography01:17

Imaging Studies for Cardiovascular System I:Echocardiography

Cardiac imaging studies encompass a wide range of noninvasive and minimally invasive techniques designed to visualize the heart's structure and function in detail. One such technique is echocardiography, which uses high-frequency ultrasound waves to produce detailed images of the heart, known as echocardiograms.
Indications: Echocardiography is utilized to diagnose heart failure, valve disorders, and myocardial infarction. It also assesses cardiac structures' size, shape, and motion,...
454