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Simultaneous bilateral internal carotid artery 3D rotational angiography
Joon K Song1, Yasunari Niimi, Jonathan L Brisman
1Center for Endovascular Surgery, Hyman-Newman Institute for Neurology and Neurosurgery, Roosevelt Hospital, 1000 10th Avenue, New York, NY 10019, USA.
AJNR. American Journal of Neuroradiology
|December 1, 2004
Summary
Simultaneous bilateral internal carotid artery injections during 3D rotational angiography improve visualization of complex anterior communicating artery aneurysms. This enhanced detail aids in selecting optimal projections for safer aneurysm coiling procedures.
Area of Science:
- Neurosurgery
- Neuroradiology
- Vascular Imaging
Background:
- Complex anterior communicating artery (Acom) aneurysms present challenges in endovascular treatment planning.
- Vasospasm can further complicate the assessment of Acom aneurysms.
- Standard angiography may not provide sufficient anatomical detail for intricate cases.
Observation:
- Simultaneous injection into both internal carotid arteries (ICAs) was performed during 3D rotational digital subtraction angiography.
- Shaded surface display (SSD) images were generated from the simultaneous acquisition.
- SSD images from the combined injection showed superior anatomical detail compared to individual ICA injections.
Findings:
- The technique of simultaneous bilateral ICA injection enhances the anatomical visualization of Acom aneurysms.
- Improved visualization facilitates the selection of optimal working projections for endovascular procedures.
- This method offers greater detail than conventional individual ICA angiography.
Implications:
- This technique can lead to safer and more effective endovascular coiling of complex Acom aneurysms.
- It provides neurosurgeons and interventional neuroradiologists with better pre-procedural planning tools.
- Enhanced imaging may reduce procedural risks and improve patient outcomes in treating cerebrovascular diseases.