Quantitative color-coded digital subtraction neuroangiography for pediatric arteriovenous shunting lesions

Grace M Y Ma1, Adam A Dmytriw2,3, Premal A Patel4,5

  • 1Image Guided Therapy, Department of Diagnostic Imaging, Department of Medical Imaging, Hospital for Sick Children, University of Toronto, 555 University Ave, Toronto, ON, M5S, Canada. gracemy.ma@gmail.com.

Insights

Quantitative color-coded digital subtraction angiography (qDSA) offers valuable real-time data for treating complex pediatric neurovascular conditions. This technique aids in planning and optimizing endovascular treatments for high-flow arteriovenous shunts in children.

Area of Science:

  • Pediatric neuroendovascular surgery
  • Medical imaging techniques

Background:

  • Pediatric neurovascular conditions present unique challenges for endovascular treatment.
  • Minimizing radiation and contrast exposure is crucial in pediatric patients.
  • High-flow arteriovenous shunts in infants are difficult to assess with standard methods.

Observation:

  • This report details the use of quantitative color-coded digital subtraction angiography (qDSA) in pediatric neuroendovascular procedures.
  • Representative cases illustrate the application of qDSA for high-flow arteriovenous shunting lesions.
  • Siemens ArtisQ biplane system and Syngo iFlow module were utilized for image acquisition and processing.

Findings:

  • Color-coded qDSA provides real-time quantitative insights into high-flow arteriovenous neurovascular lesions.
  • The technique generates color-coded maps from digital subtraction angiography runs.
  • This quantitative data is essential for informed clinical decision-making.

Implications:

  • qDSA can guide treatment selection and optimize endovascular protocols in pediatric neurovascular cases.
  • The method allows for effective outcome monitoring and determination of treatment endpoints.
  • This advanced imaging approach holds significant potential for improving pediatric neuroendovascular care.
Abstract

Related Concept Videos

Shunt Admittances01:26

Shunt Admittances

Shunt admittances play a crucial role in the analysis of transmission lines, particularly for three-phase systems with neutral conductors. When a uniformly charged conductor is positioned above the Earth, it induces an equal but opposite charge on its surface. This interaction creates electric field lines between the conductor and the Earth.
To model this effect, the method of images is employed. This method involves replacing the Earth with an image conductor that mirrors the original...
485
lncRNA - Long Non-coding RNAs02:39

lncRNA - Long Non-coding RNAs

In humans, more than 80% of the genome gets transcribed. However, only around 2% of the genome codes for proteins. The remaining part produces non-coding RNAs which includes ribosomal RNAs, transfer RNAs, telomerase RNAs, and regulatory RNAs, among other types. A large number of regulatory non-coding RNAs have been classified into two groups depending upon their length – small non-coding RNAs, such as microRNA, which are less than 200 nucleotides in length, and long non-coding RNA...
9.8K
lncRNA - Long Non-coding RNAs02:39

lncRNA - Long Non-coding RNAs

3.6K
Colors and Magnetism03:02

Colors and Magnetism

Color in Coordination Complexes
When atoms or molecules absorb light at the proper frequency, their electrons are excited to higher-energy orbitals. For many main group atoms and molecules, the absorbed photons are in the ultraviolet range of the electromagnetic spectrum, which cannot be detected by the human eye. For coordination compounds, the energy difference between the d orbitals often allows photons in the visible range to be absorbed and emitted, which is seen as colors by the human...
14.0K
Color Vision01:24

Color Vision

Color perception begins in the retina, the light-sensitive layer at the back of the eye. Two main theories explain how colors are seen: the trichromatic theory and the opponent-process theory. The trichromatic theory, proposed by Thomas Young in 1802 and extended by Hermann von Helmholtz in 1852, suggests that color vision is based on three types of cone receptors in the retina. These cones are sensitive to different but overlapping ranges of wavelengths corresponding to red, blue, and green.
1.4K
Nursing Code of Ethics01:29

Nursing Code of Ethics

The Nursing Code of Ethics sets the ethical benchmark for the profession, and guides nurses in ethical analysis and decision making at the societal, organizational, and clinical levels. The code encompasses showing compassion and respect for the patient, their families, and communities in all circumstances while committing to providing patient-centered care. In addition, the code states that nurses must advocate for the patient by defending a cause or recommendation to protect their rights,...
4.3K