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Source: American Journal of Neuroradiology

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Total 580 results found since Jan 2013.

Outcomes with Endovascular Treatment of Patients with M2 Segment MCA Occlusion in the Late Time Window INTERVENTIONAL
CONCLUSIONS: In the late time window, patients with M2 occlusions treated with endovascular thrombectomy achieved better clinical outcomes, similar reperfusion, and lower symptomatic intracranial hemorrhage rates compared with patients with M1 occlusion. These results support the safety and benefit of endovascular thrombectomy in patients with M2 occlusions in the late window.
Source: American Journal of Neuroradiology - April 10, 2023 Category: Radiology Authors: Bala, F., Kim, B. J., Najm, M., Thornton, J., Fainardi, E., Michel, P., Alpay, K., Herlihy, D., Goyal, M., Casetta, I., Nannoni, S., Ylikotila, P., Power, S., Saia, V., Hegarty, A., Pracucci, G., Rautio, R., Ademola, A., Demchuk, A., Mangiafico, S., Boyle Tags: INTERVENTIONAL Source Type: research

Nonstenotic Carotid Plaques and Embolic Stroke of Undetermined Source: A Multimodality Review EXTRACRANIAL VASCULAR
Symptomatic nonstenotic carotid artery disease has been increasingly recognized as a thromboembolic source in patients who would otherwise be classified as having embolic stroke of undetermined source. Evidence suggests that certain plaque features seen on sonography, CT, and MR imaging in nonstenotic carotid artery disease may predispose to recurrent stroke in patients with embolic stroke of undetermined source. We performed a focused literature review to further study plaque features in the context of embolic stroke of undetermined source and to determine which plaque features may be associated with ipsilateral ischemic ...
Source: American Journal of Neuroradiology - February 1, 2023 Category: Radiology Authors: Larson, A. S., Brinjikji, W., Lekah, A., Klaas, J. P., Lanzino, G., Huston, J., Saba, L., Benson, J. C. Tags: EXTRACRANIAL VASCULAR Source Type: research

FLAIR Vascular Hyperintensities as a Surrogate of Collaterals in Acute Stroke: DWI Matters ADULT BRAIN
CONCLUSIONS: In acute ischemic stroke with large-vessel occlusion, the extent of FLAIR vascular hyperintensities does not reliably reflect collateral status unless one accounts for DWI.
Source: American Journal of Neuroradiology - January 11, 2023 Category: Radiology Authors: Legrand, L., Le Berre, A., Seners, P., Benzakoun, J., Ben Hassen, W., Lion, S., Boulouis, G., Cottier, J.- P., Costalat, V., Bracard, S., Berthezene, Y., Ozsancak, C., Provost, C., Naggara, O., Baron, J.- C., Turc, G., Oppenheim, C., On behalf of the PRED Tags: ADULT BRAIN Source Type: research

Automated Estimation of Quantitative Lesion Water Uptake as a Prognostic Biomarker for Patients with Ischemic Stroke and Large-Vessel Occlusion ADULT BRAIN
CONCLUSIONS: ASPECTS–net water uptake could independently predict 90-day neurologic outcomes in patients with acute ischemic stroke and large-vessel occlusion. Integrating ASPECTS–net water uptake with clinical models could improve the efficiency of outcome stratification.
Source: American Journal of Neuroradiology - January 11, 2023 Category: Radiology Authors: Lu, S. S., Wu, R. R., Cao, Y. Z., Xu, X. Q., Jia, Z. Y., Shi, H. B., Liu, S., Wu, F. Y. Tags: ADULT BRAIN Source Type: research

Viz.ai Implementation of Stroke Augmented Intelligence and Communications Platform to Improve Indicators and Outcomes for a Comprehensive Stroke Center and Network ADULT BRAIN
CONCLUSIONS: There was an immediate improvement following Viz.ai implementation for both direct arriving and telemedicine transfer thrombectomy cases. In the greatest opportunity subset (direct arriving large-vessel occlusion-OffHours: direct arriving cases requiring team mobilization off-hours), we noted a 39% improvement. With Viz.ai, we noted that immediate access to images and streamlined communications improved door-to-groin time metrics for thrombectomy. These results have implications for future care processes and can be a model for centers striving to optimize workflow and improve thrombectomy timeliness.
Source: American Journal of Neuroradiology - January 11, 2023 Category: Radiology Authors: Figurelle, M. E., Meyer, D. M., Perrinez, E. S., Paulson, D., Pannell, J. S., Santiago-Dieppa, D. R., Khalessi, A. A., Bolar, D. S., Bykowski, J., Meyer, B. C. Tags: ADULT BRAIN Source Type: research

Association between Infarct Location and Hemorrhagic Transformation of Acute Ischemic Stroke following Successful Recanalization after Mechanical Thrombectomy ADULT BRAIN
CONCLUSIONS: Subcortical infarcts seen on CTP at admission are associated with hemorrhagic transformation in patients after successful thrombectomy, and subcortical infarct volume may influence the risk of symptomatic intracerebral hemorrhage.
Source: American Journal of Neuroradiology - January 11, 2023 Category: Radiology Authors: Ni, H., Lu, G.- D., Hang, Y., Jia, Z.- Y., Cao, Y.- Z., Shi, H.- B., Liu, S., Zhao, L.- B. Tags: ADULT BRAIN Source Type: research

Association of Left Vertebral Artery Hypoplasia with Posterior Circulation Stroke and the Functional Outcome of Patients with Atrial Fibrillation-Related Cardioembolic Stroke EXTRACRANIAL VASCULAR
CONCLUSIONS: Patients with cardioembolic stroke and left vertebral artery hypoplasia had posterior circulation stroke, basilar artery occlusion, and poor functional outcomes after 3 months.
Source: American Journal of Neuroradiology - January 11, 2023 Category: Radiology Authors: Bae, J.- H., Ryu, J.- C., Ha, S. H., Kim, B. J., Kang, D.- W., Kwon, S. U., Kim, J.- S., Chang, J. Y. Tags: EXTRACRANIAL VASCULAR Source Type: research

Mechanical Thrombectomy for the Treatment of Anterior Cerebral Artery Occlusion: A Systematic Review of the Literature INTERVENTIONAL
CONCLUSIONS: Mechanical thrombectomy for the treatment of anterior cerebral artery occlusions is safe and efficacious, offering a favorable rate of recanalization and procedural complications. Mechanical thrombectomy–treated anterior cerebral artery occlusions appear to have lower rates of short-term good functional outcomes and an increased risk of symptomatic intracerebral hemorrhage compared with mechanical thrombectomy–treated MCA/ICA occlusions. Single and multicenter studies are needed to further examine the safety and efficacy of mechanical thrombectomy–treated anterior cerebral artery occlusions.
Source: American Journal of Neuroradiology - December 8, 2022 Category: Radiology Authors: Dabhi, N., Mastorakos, P., Sokolowski, J., Kellogg, R. T., Park, M. S. Tags: INTERVENTIONAL Source Type: research

Thrombectomy Using the EmboTrap Clot-Retrieving Device for the Treatment of Acute Ischemic Stroke: A Glimpse of Clinical Evidence INTERVENTIONAL
CONCLUSIONS: The EmboTrap Recanalization Device is safe and efficient in treating acute ischemic stroke due to large-vessel occlusion.
Source: American Journal of Neuroradiology - December 8, 2022 Category: Radiology Authors: Bai, X., Fu, Z., Sun, Z., Xu, R., Guo, X., Tian, Q., Dmytriw, A. A., Zhao, H., Wang, W., Wang, X., Patel, A. B., Yang, B., Jiao, L. Tags: INTERVENTIONAL Source Type: research

Predictors of Endovascular Treatment Procedural Complications in Acute Ischemic Stroke: A Single-Center Cohort Study INTERVENTIONAL
CONCLUSIONS: Procedural complications are quite common in endovascular treatment and lead to a less favorable short-term but similar long-term outcome. Their association with treatment off-hours and at 2 arterial sites requires particular attention in these situations to optimize the overall benefit of endovascular treatment.
Source: American Journal of Neuroradiology - December 8, 2022 Category: Radiology Authors: Maslias, E., Puccinelli, F., Nannoni, S., Hajdu, S. D., Bartolini, B., Ricciardi, F., Dunet, V., Maeder, P., Strambo, D., Saliou, G., Michel, P. Tags: INTERVENTIONAL Source Type: research

Quantitative Intracerebral Iodine Extravasation in Risk Stratification for Intracranial Hemorrhage in Patients with Acute Ischemic Stroke ADULT BRAIN
CONCLUSIONS: The hemorrhagic transformation predictive power of the normalized iodine concentration ratio is similar to that of the absolute intracerebral iodine concentration in patients with successful recanalization.
Source: American Journal of Neuroradiology - November 7, 2022 Category: Radiology Authors: Ma, C., Xu, D., Hui, Q., Gao, X., Peng, M. Tags: ADULT BRAIN Source Type: research

Delayed CTP-Derived Deep Venous Outflow: A Novel Predictor of Striatocapsular Infarction after M1 Thrombectomy ADULT BRAIN
CONCLUSIONS: CTP-derived thalamostriate TTP is an excellent surrogate marker for striatocapsular infarction in patients post-M1 thrombectomy. The novel approach of extracting venous outflow parameters from CTP has numerous potential applications and should be further explored.
Source: American Journal of Neuroradiology - November 7, 2022 Category: Radiology Authors: Peretz, S., Pardo, K., Naftali, J., Findler, M., Raphaeli, G., Barnea, R., Khasminsky, V., Auriel, E. Tags: ADULT BRAIN Source Type: research

Effective Dose Measurements of the Latest-Generation Angiographic System in Patients with Acute Stroke: A Comparison with the Newest Multidetector CT Generation INTERVENTIONAL
CONCLUSIONS: The estimated effective dose to the patient for flat detector CT perfusion and angiography on a modern biplane angiography system does not deviate substantially from that of analogous multidetector row CT protocols.
Source: American Journal of Neuroradiology - November 7, 2022 Category: Radiology Authors: Brehm, A., Nguyen, K. A. T., Blackham, K. A., Psychogios, M.- N. Tags: INTERVENTIONAL Source Type: research

Correlation of Collateral Scores Derived from Whole-Brain Time-Resolved Flat Panel Detector Imaging in Acute Ischemic Stroke INTERVENTIONAL
CONCLUSIONS: The Calgary/Menon multiphase flat panel CTA score and the hypoperfusion intensity ratio correlated with each other and with the ASITN/SIR DSA score as the gold-standard. In our cohort, the collateral scoring derived from flat panel detector CT was clinically reliable.
Source: American Journal of Neuroradiology - November 7, 2022 Category: Radiology Authors: Kurmann, C. C., Kaesmacher, J., Pilgram-Pastor, S., Piechowiak, E. I., Scutelnic, A., Heldner, M. R., Dobrocky, T., Gralla, J., Mordasini, P. Tags: INTERVENTIONAL Source Type: research

Successful Reperfusion is Associated with Favorable Functional Outcome despite Vessel Perforation during Thrombectomy: A Case Series and Systematic Review INTERVENTIONAL
CONCLUSIONS: Arterial perforation during endovascular thrombectomy is rare but is associated with high mortality rates and poor outcome. However, successful reperfusion remains correlated with favorable outcome in these patients.
Source: American Journal of Neuroradiology - November 7, 2022 Category: Radiology Authors: Ducroux, C., Boisseau, W., Poppe, A. Y., Daneault, N., Deschaintre, Y., Diestro, J. D. B., Eneling, J., Gioia, L. C., Iancu, D., Maier, B., Nauche, B., Nico, L., Odier, C., Raymond, J., Roy, D., Stapf, C., Weill, A., Jacquin, G. Tags: INTERVENTIONAL Source Type: research