Background And Purpose: Time-resolved 3D rotational angiography (4D-DSA) has been used to demonstrate details of the angioarchitecture of AVM, whereas it has rarely been used to describe features of dural AVF. In this exploratory study, we analyzed dural AVFs with a novel 4D software prototype, developed and provided by Siemens, to determine whether identification of the location of the fistulous point, grading, and treatment planning were feasible.
Materials And Methods: 4D-DSA volumes were calculated from existing 3D rotational angiography data sets of patients with dural AVFs. The 4D-DSA volumes were displayed in a virtual DSA mode and MPR or MIP in 3 orthogonal planes and compared with 2D-DSA by 2 experienced neuroradiologists. Fusions with unenhanced CT or MR images were used to improve visualization of adjacent anatomic structures.
Results: Comparison with 2D-DSA showed that evaluation of the fistulous point and grading according to the classification of Borden, Cognard, or Barrow was feasible in 26 of 27 cases. In 8 of 27 cases, 4D-DSA was considered advantageous for determining the fistulous point and the course of the draining vein in the dural AVF with cortical venous drainage, especially in the frontoethmoidal and frontoparietal regions. In 6 cases, the display of angioarchitecture was considered inferior to that of 2D-DSA due to motion artifacts, suboptimal selection of the injected vessel, and lack of temporal resolution.
Conclusions: Detailed analysis of dural AVFs according to the standardized display of 4D-DSA volumes was feasible and helpful in understanding the angioarchitecture in selected cases. Further improvement and validation of the 4D software should solidify the complementary role of 4D-DSA to conventional 2D-DSA series.
Download full-text PDF |
Source |
|---|---|
| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10631524 | PMC |
| http://dx.doi.org/10.3174/ajnr.A8008 | DOI Listing |
Publication Analysis
Top Keywords
Similar Publications
Endoscopic third ventriculostomy for hydrocephalus accompanied by dural arteriovenous fistulae: a case report and literature review.
Acta Neurochir (Wien)
January 2025
Department of Neurosurgery, Kanazawa University, 13-1 Takara-machi, Kanazawa, 9208641, Ishikawa, Japan.
A 54-year-old man presented with gait disturbances, urinary incontinence, and headache for 6 months. Head computed tomography indicated several high-density mass lesions in the quadrigeminal cistern, causing occlusive hydrocephalus. Digital subtraction angiography confirmed tentorial dural arteriovenous fistulae (AVF).
View Article and Find Full Text PDFHigh flow pial arteriovenous fistula with dural sinus malformation of the posterior circulation.
Childs Nerv Syst
December 2024
Department of Neuroimaging & Interventional Neuroradiology, All India Institute of Medical Sciences, New Delhi, India.
Posterior fossa congenital pial arteriovenous fistulas are rare vascular anomalies associated with high morbidity. These anomalies often present challenges to neurointerventionists due to their complex morphological features. We successfully treated two technically challenging, infratentorial large pial arteriovenous fistulas (AVFs) associated with complete flow steal in the basilar artery.
View Article and Find Full Text PDFA case of spontaneous direct vertebral artery - External vertebral venous plexus fistula in the upper cervical portion.
Surg Neurol Int
September 2024
Department of Neurosurgery, Nara City Hospital, Nara, Japan.
Article Synopsis
- A rare case of spontaneous direct vertebral artery-external vertebral venous plexus (VA-EVVP) fistula was diagnosed in an 82-year-old woman without trauma history or neurological deficits, presenting with right hemianopsia.
- Initial MRI suggested an old infarction and a dural arteriovenous fistula, but further imaging revealed a specific AV fistula at the C2 level.
- The patient underwent successful coil embolization, resulting in complete obliteration of the fistula after follow-up, providing new insights into treating VA-EVVP fistulas.
Objective: The role of stereotactic radiosurgery (SRS) in the management of intracranial dural arteriovenous fistula (dAVF) is unclear given the rarity of this lesion and the variability in treatment paradigms. This study describes a 3-decade experience with the SRS technique and its outcomes for patients with dAVF.
Methods: The authors conducted a retrospective analysis of patients with dAVF who had undergone single-fraction SRS in the period from 1990 to 2021.
Pediatric interventional neuroradiology: "How I do it" vol. II-Embolization.
Interv Neuroradiol
August 2024
Radiology and Neurosurgery, University of Alabama at Birmingham, Birmingham, AL, USA.
Article Synopsis
- Pediatric arteriovenous shunts are difficult to embolize and can lead to severe complications if not managed properly, especially in newborns with heart failure.
- The text discusses various endovascular treatment methods, drawing from both personal experience and existing literature.
- It categorizes the discussion into Goals, Access, and Treatment, highlighting the common challenges faced with different types of malformations while recognizing their unique characteristics.
Want AI Summaries of new PubMed Abstracts delivered to your In-box?
Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!