WebBackground: Experimental data suggest that high-grade vascular stenosis may induce chronic cerebral tissue damage. Methods: We tested this hypothesis in 97 patients with a ≥70% unilateral internal carotid artery (ICA) stenosis (mean age: 69.1 ± 10.2 years), comparing intraindividual side-to-side differences in hemispheric brain and white matter … WebIn 56 of these 101 arteries with high-grade stenosis or occlusion, the ipsilateral OA was reversed; however, OA flow direction was never reversed ipsilateral to arteries with less than 80% stenosis (sensitivity 55%, specificity 100%, negative predictive value 82%, and positive predictive value 100% for OA flow reversal as a marker of high-grade carotid …
Posterior cerebral artery stenosis - PubMed
Web12 de mai. de 2024 · Forty-two patients diagnosed with asymptomatic ICA stenosis/occlusion were prospectively included and divided into high-grade (ultrasonographic stenosis ≥70%, N = 20) and low-grade groups (N = 22). WebCarotid artery stenosis, also called carotid artery disease, is a condition that can lead to stroke. When you have carotid artery stenosis, a substance called plaque builds up and … higgs memorial beach park key west
Plasma Myeloperoxidase in Acute Brain Ischemia and High-grade …
WebWe analyzed the clinical features of symptomatic posterior cerebral artery (PCA) stenosis in 6 patients selected from 15 patients with angiographically documented PCA … Web28 de mar. de 2024 · Overview. Spinal stenosis happens when the space inside the backbone is too small. This can put pressure on the spinal cord and nerves that travel through the spine. Spinal stenosis occurs most … WebMethods: 17 asymptomatic patients with unilateral high-grade (≥70%) carotid artery stenosis without evidence of structural brain lesions underwent ASL and CE perfusion MRI and cognitive testing (MMSE, DemTect, Clock-Drawing Test, Trail-Making Test, Stroop Test) before and 6-8 weeks after revascularization therapy by endarterectomy or stenting. higgs mechanism theory