ArticleNeurologia medico-chirurgica2021
Streak Metal Artifact Reduction Technique in Cone Beam Computed Tomography Images after Endovascular Neurosurgery.
Article in Neurologia medico-chirurgica, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed, 6 citations in OpenAlex.
- Application of streak metal artifact reduction technique in cone-beam computed tomography guided percutaneous transthoracic needle biopsy.World journal of radiology · 2026Article
- Visibility of liquid embolic agents in fluoroscopy: a systematic in vitro study.Journal of neurointerventional surgery · 2023Article
- Single-Energy Metal Artifact Reduction (SEMAR) in Ultra-High-Resolution CT Angiography of Patients with Intracranial Implants.Diagnostics (Basel, Switzerland) · 2023Article
- The impact of software-based metal artifact reduction on the liquid embolic agent Onyx in cone-beam CT: a systematic in vitro and in vivo study.Journal of neurointerventional surgery · 2022Article
- Clinical Evaluation of an Innovative Metal-Artifact-Reduction Algorithm in FD-CT Angiography in Cerebral Aneurysms Treated by Endovascular Coiling or Surgical Clipping.Diagnostics (Basel, Switzerland) · 2022Article
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13 authors at 2 institutions in 1 country.
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Abstract
Cone beam computed tomography (CBCT) images are degraded by artifacts due to endovascular implants. We evaluated the use of streak metal artifact reduction technique (SMART) in non-contrast CBCT images after endovascular neurosurgery obtained from 148 patients (125 with aneurysm and 23 with dural arteriovenous fistula [dAVF]). Three neurosurgeons evaluated the cistern and brain surface visibility in CBCT images with and without SMART correction based on a 4-point scale (1, excellent; 2, good; 3, limited; and 4, insufficient). Significant improvement in visibility was achieved when the median scores improved from 4 or 3 to 2 or 1 or from 2 to 1. Metal artifact reduction in adjacent slices without metal and new artifacts after SMART correction was also examined. A significant improvement was achieved regarding the visibility of the cistern in 90 (60.8%) images and of the brain surface in 108 (73.0%) images. Metal size (cistern: odds ratio [OR], 0.91 per 1 mm increase; 95% confidence interval [CI], 0.83-0.99), irregular metal shape (cistern: OR, 0.18; 95% CI, 0.05-0.60 and brain surface: OR, 0.15; 95% CI, 0.05-0.45), and infratentorial lesions (cistern: OR, 0.37; 95% CI, 0.14-0.96 and brain surface: OR, 0.30; 95% CI, 0.11-0.80) were negatively correlated with improved visibility. Metal artifact reduction in adjacent slices without metal was obtained in 25.6% and 34.8% of images with aneurysm and dAVF, respectively. New artifacts after SMART correction were found in 4.8% and 13.0% of images with aneurysm and dAVF, respectively. SMART is especially effective for supratentorial small aneurysms.
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