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Perceived Limits of Endovascular Treatment for Secondary Medium-Vessel-Occlusion Stroke INTERVENTIONAL
CONCLUSIONS: Physicians’ willingness to treat secondary medium vessel occlusions endovascularly is limited and varies per occlusion location and change in neurologic status. More evidence on the safety and efficacy of endovascular treatment for secondary medium vessel occlusion stroke is needed.
Source: American Journal of Neuroradiology - December 13, 2021 Category: Radiology Authors: Cimflova, P., McDonough, R., Kappelhof, M., Singh, N., Kashani, N., Ospel, J. M., Demchuk, A. M., Menon, B. K., Chen, M., Sakai, N., Fiehler, J., Goyal, M. Tags: INTERVENTIONAL 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

Predictors and Clinical Impact of Delayed Stent Thrombosis after Thrombectomy for Acute Stroke with Tandem Lesions INTERVENTIONAL
CONCLUSIONS: We observed a non-negligible rate of delayed stent thrombosis with significant negative impact on clinical outcome. Future studies should systematically measure and report stent patency rates.
Source: American Journal of Neuroradiology - March 13, 2019 Category: Radiology Authors: Pop, R., Zinchenko, I., Quenardelle, V., Mihoc, D., Manisor, M., Richter, J. S., Severac, F., Simu, M., Chibbaro, S., Rouyer, O., Wolff, V., Beaujeux, R. Tags: INTERVENTIONAL Source Type: research

Potential for the Use of the Solitaire Stent for Recanalization of Middle Cerebral Artery Occlusion without a Susceptibility Vessel Sign INTERVENTIONAL
CONCLUSIONS: The Solitaire stent is a feasible tool as the first-line device for multimodal endovascular recanalization therapy in acute ischemic stroke with a negative MCA susceptibility vessel sign. It has a good rate of successful and complete recanalization and is a fast yet safe procedure.
Source: American Journal of Neuroradiology - January 13, 2014 Category: Radiology Authors: Bae, Y. J., Jung, C., Kim, J. H., Choi, B. S., Kim, E., Han, M.- K., Bae, H.- J., Han, M. H. Tags: INTERVENTIONAL Source Type: research

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

MRI Quantitative T2* Mapping to Predict Dominant Composition of In Vitro Thrombus ADULT BRAIN
CONCLUSIONS: MR imaging quantitative T2* mapping can reliably identify the thrombus red blood cell content in vitro. This fast, easy-to-use sequence could be implemented in routine practice to predict stroke etiology and adapt devices or techniques for endovascular treatment of acute ischemic stroke.
Source: American Journal of Neuroradiology - January 11, 2019 Category: Radiology Authors: Bourcier, R., Pautre, R., Mirza, M., Castets, C., Darcourt, J., Labreuche, J., Detraz, L., Desal, H., Serfaty, J.- M., Toquet, C. Tags: ADULT BRAIN Source Type: research

Flow Patterns in Carotid Webs: A Patient-Based Computational Fluid Dynamics Study EXTRACRANIAL VASCULAR
CONCLUSIONS: Carotid webs are associated with increased recirculation zones and regional increased wall shear stress metrics that are associated with disturbed flow. These findings suggest that a carotid web might stimulate thrombus formation, which increases the risk of acute ischemic stroke.
Source: American Journal of Neuroradiology - April 10, 2019 Category: Radiology Authors: Compagne, K. C. J., Dilba, K., Postema, E. J., van Es, A. C. G. M., Emmer, B. J., Majoie, C. B. L. M., van Zwam, W. H., Dippel, D. W. J., Wentzel, J. J., van der Lugt, A., Gijsen, F. J. H., for the MR CLEAN investigators Tags: EXTRACRANIAL VASCULAR Source Type: research

Periprocedural Safety and Feasibility of the New LVIS EVO Device for Stent-Assisted Coiling of Intracranial Aneurysms: An Observational Multicenter Study INTERVENTIONAL
CONCLUSIONS: The LVIS EVO stent is a safe, feasible device for the treatment of intracranial aneurysms.
Source: American Journal of Neuroradiology - February 9, 2021 Category: Radiology Authors: Vollherbst, D. F., Berlis, A., Maurer, C., Behrens, L., Sirakov, S., Sirakov, A., Fischer, S., Maus, V., Holtmannspötter, M., Rautio, R., Sinisalo, M., Poncyljusz, W., Janssen, H., Wodarg, F., Kabbasch, C., Trenkler, J., Herweh, C., Bendszus, M., Tags: INTERVENTIONAL Source Type: research

Collateral Score Complements Clot Location in Predicting the Outcome of Intravenous Thrombolysis BRAIN
CONCLUSIONS: A proximal occlusion in the anterior circulation is associated with poorer collateral status compared with a more distal occlusion. Both the clot location and collateral score are important and independent predictors of favorable clinical outcome of hyperacute stroke treated with intravenous thrombolysis. The location of the clot is a stronger determinant of the outcome than the collateral score.
Source: American Journal of Neuroradiology - October 8, 2014 Category: Radiology Authors: Saarinen, J. T., Rusanen, H., Sillanpaa, N. Tags: BRAIN Source Type: research

Rescue Treatment of Thromboembolic Complications during Endovascular Treatment of Cerebral Aneurysms: A Meta-Analysis FELLOWS' JOURNAL CLUB
CONCLUSIONS: Rescue therapy with thrombolytic agents resulted in significantly more morbidity than rescue therapy with glycoprotein IIb/IIIa inhibitors. Tirofiban/eptifibatide resulted in significantly higher recanalization rates compared with abciximab.
Source: American Journal of Neuroradiology - January 13, 2015 Category: Radiology Authors: Brinjikji, W., Morales-Valero, S. F., Murad, M. H., Cloft, H. J., Kallmes, D. F. Tags: FELLOWS ' JOURNAL CLUB Source Type: research

4D-CTA in Neurovascular Disease: A Review REVIEW ARTICLES
This article provides a description of 4D-CTA techniques and a review of the available literature on the application of 4D-CTA for the evaluation of intracranial vascular malformations and hemorrhagic and ischemic stroke. Most of the research performed to date consists of observational cohort studies or descriptive case series. These studies show that intracranial vascular malformations can be adequately depicted and classified by 4D-CTA, with DSA as the reference standard. In ischemic stroke, 4D-CTA better estimates thrombus burden and the presence of collateral vessels than conventional CTA. In intracranial hemorrhage, 4...
Source: American Journal of Neuroradiology - June 11, 2015 Category: Radiology Authors: Kortman, H. G. J., Smit, E. J., Oei, M. T. H., Manniesing, R., Prokop, M., Meijer, F. J. A. Tags: REVIEW ARTICLES 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

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

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

Thrombus Permeability on Dynamic CTA Predicts Good Outcome after Reperfusion Therapy INTERVENTIONAL
CONCLUSIONS: Thrombus permeability assessed on dynamic CTA could be a better predictor of outcome after reperfusion therapy than that assessed on conventional single-phase CTA.
Source: American Journal of Neuroradiology - October 8, 2018 Category: Radiology Authors: Chen, Z., Shi, F., Gong, X., Zhang, R., Zhong, W., Zhang, R., Zhou, Y., Lou, M. Tags: INTERVENTIONAL Source Type: research

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