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Slow Collateral Flow Is Associated with Thrombus Extension in Patients with Acute Large-Artery Occlusion INTERVENTIONAL
CONCLUSIONS: Slow collateral flow was related to thrombus extension in patients with large-artery occlusion without recanalization after intravenous thrombolysis.
Source: American Journal of Neuroradiology - June 13, 2018 Category: Radiology Authors: Zhang, R., Zhou, Y., Yan, S., Zhang, S., Ding, X., Lou, M. Tags: INTERVENTIONAL Source Type: research

Multicentric Experience in Distal-to-Proximal Revascularization of Tandem Occlusion Stroke Related to Internal Carotid Artery Dissection INTERVENTIONAL
CONCLUSIONS: Endovascular treatment of internal carotid dissection–related tandem occlusion stroke using the distal-to-proximal recanalization strategy appears to be feasible, with low complication rates and considerable rates of successful recanalization.
Source: American Journal of Neuroradiology - June 13, 2018 Category: Radiology Authors: Marnat, G., Bühlmann, M., Eker, O. F., Gralla, J., Machi, P., Fischer, U., Riquelme, C., Arnold, M., Bonafe, A., Jung, S., Costalat, V., Mordasini, P. Tags: INTERVENTIONAL Source Type: research

Treatment of Distal Anterior Cerebral Artery Aneurysms with Flow-Diverter Stents: A Single-Center Experience INTERVENTIONAL
CONCLUSIONS: Treatment of distal anterior cerebral artery aneurysms with flow-diverter stents is feasible and effective, with high rates of aneurysm occlusion. Flow diversion plus coiling, in the retreatment of lesions previously coiled, allowed higher rates of occlusion compared with flow diverters alone. However, the risk of ischemic complications is not negligible, and flow-diversion treatment should be evaluated only for aneurysms not amenable to simple coil embolization.
Source: American Journal of Neuroradiology - June 13, 2018 Category: Radiology Authors: Cagnazzo, F., Cappucci, M., Dargazanli, C., Lefevre, P.- H., Gascou, G., Riquelme, C., Bonafe, A., Costalat, V. Tags: INTERVENTIONAL Source Type: research

Feasibility of Permanent Stenting with Solitaire FR as a Rescue Treatment for the Reperfusion of Acute Intracranial Artery Occlusion INTERVENTIONAL
CONCLUSIONS: Permanent stent placement with the Solitaire FR compared with other self-expanding stents appears to be feasible and safe as a rescue tool for refractory intra-arterial therapy.
Source: American Journal of Neuroradiology - February 13, 2018 Category: Radiology Authors: Woo, H. G., Sunwoo, L., Jung, C., Kim, B. J., Han, M.- K., Bae, H.- J., Bae, Y. J., Choi, B. S., Kim, J. H. Tags: INTERVENTIONAL Source Type: research

Focal Low and Global High Permeability Predict the Possibility, Risk, and Location of Hemorrhagic Transformation following Intra-Arterial Thrombolysis Therapy in Acute Stroke INTERVENTIONAL
CONCLUSIONS: Global high Ktrans values can predict the likelihood of hemorrhagic transformation or symptomatic intracranial hemorrhage at the patient level, whereas focal low Ktrans values can predict the spatial distributions of hemorrhagic transformation at the region level.
Source: American Journal of Neuroradiology - September 8, 2017 Category: Radiology Authors: Li, Y., Xia, Y., Chen, H., Liu, N., Jackson, A., Wintermark, M., Zhang, Y., Hu, J., Wu, B., Zhang, W., Tu, J., Su, Z., Zhu, G. Tags: INTERVENTIONAL Source Type: research

Value of Thrombus CT Characteristics in Patients with Acute Ischemic Stroke ADULT BRAIN
CONCLUSIONS: In our study on patients with large-vessel occlusion of the anterior circulation, CT thrombus characteristics appear useful for predicting functional outcome. However, in our study cohort, the effect of intra-arterial treatment was independent of the thrombus CT characteristics. Therefore, no arguments were provided to select patients for intra-arterial treatment using thrombus CT characteristics.
Source: American Journal of Neuroradiology - September 8, 2017 Category: Radiology Authors: Borst, J., Berkhemer, O. A., Santos, E. M. M., Yoo, A. J., den Blanken, M., Roos, Y. B. W. E. M., van Bavel, E., van Zwam, W. H., van Oostenbrugge, R. J., Lingsma, H. F., van der Lugt, A., Dippel, D. W. J., Marquering, H. A., Majoie, C. B. L. M., on behal Tags: ADULT BRAIN Source Type: research

Correlation of Thrombectomy Maneuver Count with Recanalization Success and Clinical Outcome in Patients with Ischemic Stroke INTERVENTIONAL
CONCLUSIONS: An increasing maneuver count correlates strongly with a decreasing probability of both good outcome and recanalization. The probability of successful recanalization decreases below 50% if not achieved within 5 thrombectomy maneuvers. Patients who are recanalized within 2 maneuvers have the best chance of achieving a good clinical outcome.
Source: American Journal of Neuroradiology - July 12, 2017 Category: Radiology Authors: Seker, F., Pfaff, J., Wolf, M., Ringleb, P. A., Nagel, S., Schönenberger, S., Herweh, C., Möhlenbruch, M. A., Bendszus, M., Pham, M. Tags: INTERVENTIONAL Source Type: research

Risk of Thrombus Fragmentation during Endovascular Stroke Treatment INTERVENTIONAL
CONCLUSIONS: Younger age, easy-to-retrieve thrombi, and bridging thrombolysis may be risk factors for periprocedural thrombus fragmentation. Findings from standard histologic stains did not provide insight into thrombectomy-relevant thrombus stability. However, higher neutrophil levels in the thrombus tissue were related to an increased risk of periprocedural thrombus fragmentation. This observation aligns with the proposed thrombolytic capacity of neutrophil elastase and points to its potential clinical relevance in the context of stroke thrombectomy.
Source: American Journal of Neuroradiology - May 15, 2017 Category: Radiology Authors: Kaesmacher, J., Boeckh-Behrens, T., Simon, S., Maegerlein, C., Kleine, J. F., Zimmer, C., Schirmer, L., Poppert, H., Huber, T. Tags: INTERVENTIONAL Source Type: research

Emergent Endovascular Management of Long-Segment and Flow-Limiting Carotid Artery Dissections in Acute Ischemic Stroke Intervention with Multiple Tandem Stents EXTRACRANIAL VASCULAR
CONCLUSIONS: Emergent stent reconstruction of long-segment and flow-limiting carotid dissections in acute ischemic stroke intervention is safe and effective, with favorable clinical outcomes, allowing successful thrombectomy, vessel salvage, restoration of cerebral perfusion, and/or prevention of recurrent thromboembolic stroke.
Source: American Journal of Neuroradiology - January 10, 2017 Category: Radiology Authors: Ansari, S. A., Kühn, A. L., Honarmand, A. R., Khan, M., Hurley, M. C., Potts, M. B., Jahromi, B. S., Shaibani, A., Gounis, M. J., Wakhloo, A. K., Puri, A. S. Tags: EXTRACRANIAL VASCULAR Source Type: research

Prediction of Carotid Intraplaque Hemorrhage Using Adventitial Calcification and Plaque Thickness on CTA EXTRACRANIAL VASCULAR
CONCLUSIONS: The CTA rim sign of adventitial calcification with internal soft plaque is highly predictive of carotid intraplaque hemorrhage.
Source: American Journal of Neuroradiology - August 11, 2016 Category: Radiology Authors: Eisenmenger, L. B., Aldred, B. W., Kim, S.- E., Stoddard, G. J., de Havenon, A., Treiman, G. S., Parker, D. L., McNally, J. S. Tags: EXTRACRANIAL VASCULAR Source Type: research

Imaging Findings Associated with Space-Occupying Edema in Patients with Large Middle Cerebral Artery Infarcts INTERVENTIONAL
CONCLUSIONS: Extensive proximal occlusion, poor collaterals, and larger ischemic deficits with higher permeability play a role in the development of prominent edema in large MCA infarcts.
Source: American Journal of Neuroradiology - May 12, 2016 Category: Radiology Authors: Horsch, A. D., Dankbaar, J. W., Stemerdink, T. A., Bennink, E., van Seeters, T., Kappelle, L. J., Hofmeijer, J., de Jong, H. W., van der Graaf, Y., Velthuis, B. K., on behalf of the DUST investigators Tags: INTERVENTIONAL Source Type: research

Susceptibility Vessel Sign on MRI Predicts Favorable Clinical Outcome in Patients with Anterior Circulation Acute Stroke Treated with Mechanical Thrombectomy ADULT BRAIN
CONCLUSIONS: Our study strongly suggests that the susceptibility vessel sign on MR imaging before treatment is predictive of favorable clinical outcome for patients presenting with anterior circulation acute stroke and treated with mechanical thrombectomy.
Source: American Journal of Neuroradiology - December 15, 2015 Category: Radiology Authors: Bourcier, R., Volpi, S., Guyomarch, B., Daumas-Duport, B., Lintia-Gaultier, A., Papagiannaki, C., Serfaty, J. M., Desal, H. Tags: ADULT BRAIN Source Type: research

Optimal Prediction of Carotid Intraplaque Hemorrhage Using Clinical and Lumen Imaging Markers EXTRACRANIAL VASCULAR
CONCLUSIONS: Optimal discrimination of carotid intraplaque hemorrhage requires information on plaque thickness, millimeter stenosis, ulceration, age, and male sex. These factors predict intraplaque hemorrhage with high discriminatory power and may provide clues to the pathogenesis of intraplaque hemorrhage. This model could be used to predict the presence of intraplaque hemorrhage when MR imaging is contraindicated.
Source: American Journal of Neuroradiology - December 15, 2015 Category: Radiology Authors: McLaughlin, M. S., Hinckley, P. J., Treiman, S. M., Kim, S.- E., Stoddard, G. J., Parker, D. L., Treiman, G. S., McNally, J. S. Tags: EXTRACRANIAL VASCULAR Source Type: research

Morphologic Features of Carotid Plaque Rupture Assessed by Optical Coherence Tomography EXTRACRANIAL VASCULAR
CONCLUSIONS: Plaque rupture was common in high-grade stenosis and was located at the shoulder of the carotid plaque close to the bifurcation. A cap thickness of <130 μm was the threshold for plaque rupture in the carotid artery.
Source: American Journal of Neuroradiology - November 13, 2015 Category: Radiology Authors: Shindo, S., Fujii, K., Shirakawa, M., Uchida, K., Enomoto, Y., Iwama, T., Kawasaki, M., Ando, Y., Yoshimura, S. Tags: EXTRACRANIAL VASCULAR Source Type: research

Residual Thromboembolic Material in Cerebral Arteries after Endovascular Stroke Therapy Can Be Identified by Dual-Energy CT ADULT BRAIN
CONCLUSIONS: Dual-energy CT may be valuable in the detection of clot persistence or early re-thrombosis without the necessity of additional contrast administration. However, its relevance for the prediction of outcomes remains to be determined in further studies.
Source: American Journal of Neuroradiology - August 13, 2015 Category: Radiology Authors: Grams, A. E., Knoflach, M., Rehwald, R., Willeit, J., Sojer, M., Gizewski, E. R., Glodny, B. Tags: ADULT BRAIN Source Type: research

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