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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.
Background:
Several complex pediatric neurovascular conditions are amenable to endovascular treatment. Given the unique anatomical and physiological challenges in children, there is an ongoing need for tools and techniques that provide accurate information for treatment planning, while minimizing exposure to ionizing radiation and contrast. This is more so for neonates and infants with high-flow arteriovenous (AV) shunts that are challenging to assess using conventional techniques.
Objective:
In this brief report, we describe, through representative cases, the potential role of quantitative color-coded digital subtraction angiography (qDSA) in neuroendovascular procedures in children with high-flow AV shunting lesions.
Methods:
Images were obtained using an ArtisQ biplane system (Siemens Healthineers, Erlangen, Germany). Post-processing was performed at a dedicated workstation (Syngo, Siemens) using the iFlow module to generate color-coded maps of individual digital subtraction angiography runs.
Conclusion:
Color-coded qDSA provides real-time quantitative information in high-flow AV shunting neurovascular lesions. This can potentially help direct treatment choices, optimize endovascular treatment protocols, monitor outcomes, and determine treatment end points.
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