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Source: American Journal of Neuroradiology

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Total 580 results found since Jan 2013.

Cerebellar Hypoperfusion in Migraine Attack: Incidence and Significance ADULT BRAIN
CONCLUSIONS: Cerebellar hypoperfusion and crossed cerebellar diaschisis are common in patients with migraine with aura and cortical perfusion abnormalities. Crossed cerebellar diaschisis in migraine with aura may be considered a benign phenomenon because we observed no association with DWI restriction or manifest cerebellar infarctions, even in patients with prolonged symptom-related perfusion abnormalities persisting for up to 24 hours.
Source: American Journal of Neuroradiology - March 14, 2018 Category: Radiology Authors: Kellner-Weldon, F., El-Koussy, M., Jung, S., Jossen, M., Klinger-Gratz, P. P., Wiest, R. Tags: ADULT BRAIN Source Type: research

Iodine Extravasation Quantification on Dual-Energy CT of the Brain Performed after Mechanical Thrombectomy for Acute Ischemic Stroke Can Predict Hemorrhagic Complications INTERVENTIONAL
CONCLUSIONS: The presence of parenchymal hyperdensity with a maximum iodine concentration of >1.35 mg/mL may identify patients developing intracerebral hemorrhage with 100% sensitivity and 67.6% specificity.
Source: American Journal of Neuroradiology - March 14, 2018 Category: Radiology Authors: Bonatti, M., Lombardo, F., Zamboni, G. A., Vittadello, F., Curro Dossi, R., Bonetti, B., Pozzi Mucelli, R., Bonatti, G. Tags: INTERVENTIONAL Source Type: research

Endovascular Thrombectomy in Wake-Up Stroke and Stroke with Unknown Symptom Onset INTERVENTIONAL
CONCLUSIONS: Mechanical thrombectomy in selected patients with wake-up stroke allows a good functional outcome comparable with that of controls. Outcome after mechanical thrombectomy in daytime-unwitnessed stroke seems to be inferior compared with that in controls. Advanced imaging modalities may increase the frequency of good functional outcome in both patients with wake-up stroke and daytime-unwitnessed stroke.
Source: American Journal of Neuroradiology - March 14, 2018 Category: Radiology Authors: Bücke, P., Perez, M. A., Hellstern, V., AlMatter, M., Bäzner, H., Henkes, H. Tags: INTERVENTIONAL Source Type: research

The Anesthesiologist, Rather Than the Anesthesia, May Influence the Outcomes following Stroke Thrombectomy LETTERS
Source: American Journal of Neuroradiology - February 13, 2018 Category: Radiology Authors: Fandino, W. Tags: LETTERS Source Type: research

John Nash and the Organization of Stroke Care research-article
SUMMARY: The concept of Nash equilibrium, developed by John Forbes Nash Jr, states that an equilibrium in noncooperative games is reached when each player takes the best action for himself or herself, taking into account the actions of the other players. We apply this concept to the provision of endovascular thrombectomy in the treatment of acute ischemic stroke and suggest that collaboration among hospitals in a health care jurisdiction could result in practices such as shared call pools for neurointervention teams, leading to better patient care through streamlined systems.
Source: American Journal of Neuroradiology - February 13, 2018 Category: Radiology Authors: Goyal, M., Wilson, A. T., Mayank, D., Kamal, N., Robinson, D. H., Turkel-Parrella, D., Hirsch, J. A. Tags: research-article Source Type: research

MR Perfusion to Determine the Status of Collaterals in Patients with Acute Ischemic Stroke: A Look Beyond Time Maps ADULT BRAIN
CONCLUSIONS: The Perfusion Collateral Index can predict the baseline collateral status with 94% diagnostic accuracy compared with DSA.
Source: American Journal of Neuroradiology - February 13, 2018 Category: Radiology Authors: Nael, K., Doshi, A., De Leacy, R., Puig, J., Castellanos, M., Bederson, J., Naidich, T. P., Mocco, J., Wintermark, M. Tags: ADULT BRAIN Source Type: research

Leukoaraiosis Attenuates Diagnostic Accuracy of Large-Vessel Occlusion Scales INTERVENTIONAL
CONCLUSIONS: The diagnostic accuracy of the tested large-vessel occlusion scales was attenuated in the presence of moderate-to-severe leukoaraiosis. This information that may aid the design of future studies that require large-vessel occlusion scale screening of patients who are likely to have concomitant leukoaraiosis.
Source: American Journal of Neuroradiology - February 13, 2018 Category: Radiology Authors: Mayasi, Y., Goddeau, R. P., Moonis, M., Silver, B., Jun-O'Connell, A. H., Puri, A. S., Henninger, N. 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

Do Fluid-Attenuated Inversion Recovery Vascular Hyperintensities Represent Good Collaterals before Reperfusion Therapy? ADULT BRAIN
CONCLUSIONS: In patients eligible for reperfusion therapy, FLAIR vascular hyperintensity extent was associated with good collaterals, as assessed by the pretreatment hypoperfusion intensity ratio. The ASPECTS assessment of FLAIR vascular hyperintensities could be used to rapidly identify patients more likely to benefit from reperfusion therapy.
Source: American Journal of Neuroradiology - January 11, 2018 Category: Radiology Authors: Mahdjoub, E., Turc, G., Legrand, L., Benzakoun, J., Edjlali, M., Seners, P., Charron, S., Ben Hassen, W., Naggara, O., Meder, J.- F., Mas, J.- L., Baron, J.- C., Oppenheim, C. Tags: ADULT BRAIN Source Type: research

Time for a Time Window Extension: Insights from Late Presenters in the ESCAPE Trial INTERVENTIONAL
CONCLUSIONS: Patients with an extended time window could potentially benefit from endovascular treatment. Ongoing randomized controlled trials using imaging to identify late presenters with favorable brain physiology will help cement the paradigm of using time windows to select the population for acute imaging and imaging to select individual patients for therapy.
Source: American Journal of Neuroradiology - January 11, 2018 Category: Radiology Authors: Evans, J. W., Graham, B. R., Pordeli, P., Al-Ajlan, F. S., Willinsky, R., Montanera, W. J., Rempel, J. L., Shuaib, A., Brennan, P., Williams, D., Roy, D., Poppe, A. Y., Jovin, T. G., Devlin, T., Baxter, B. W., Krings, T., Silver, F. L., Frei, D. F., Fanal Tags: INTERVENTIONAL Source Type: research

Posttreatment Infarct Volumes when Compared with 24-Hour and 90-Day Clinical Outcomes: Insights from the REVASCAT Randomized Controlled Trial INTERVENTIONAL
CONCLUSIONS: Endovascular treatment saves brain and improves 90-day clinical outcomes primarily through a beneficial effect on the 24-hour stroke severity.
Source: American Journal of Neuroradiology - January 11, 2018 Category: Radiology Authors: Al-Ajlan, F. S., Al Sultan, A. S., Minhas, P., Assis, Z., de Miquel, M. A., Millan, M., San Roman, L., Tomassello, A., Demchuk, A. M., Jovin, T. G., Cuadras, P., Davalos, A., Goyal, M., Menon, B. K., for the REVASCAT Investigators Tags: INTERVENTIONAL Source Type: research

Wide Variability in Prethrombectomy Workflow Practices in the United States: A Multicenter Survey INTERVENTIONAL
CONCLUSIONS: Prethrombectomy workflows vary widely between experienced centers. Improved awareness of real-world workflows and their variations may help to guide institutions in designing their own protocols of care.
Source: American Journal of Neuroradiology - December 15, 2017 Category: Radiology Authors: Kansagra, A. P., Meyers, G. C., Kruzich, M. S., Cross, D. T., Moran, C. J. Tags: INTERVENTIONAL Source Type: research

Correlation between Clinical Outcomes and Baseline CT and CT Angiographic Findings in the SWIFT PRIME Trial ADULT BRAIN
CONCLUSIONS: While benefit was seen with endovascular therapy across multiple subgroups, the greatest response was observed in patients with a small baseline core infarct, excellent collaterals, and early treatment.
Source: American Journal of Neuroradiology - December 15, 2017 Category: Radiology Authors: Jadhav, A. P., Diener, H.- C., Bonafe, A., Pereira, V. M., Levy, E. I., Baxter, B. W., Jovin, T. G., Nogueira, R. G., Yavagal, D. R., Cognard, C., Purcell, D. D., Menon, B. K., Jahan, R., Saver, J. L., Goyal, M., on behalf of the SWIFT PRIME investigators Tags: ADULT BRAIN Source Type: research

Necessary Catheter Diameters for Mechanical Thrombectomy with ADAPT INTERVENTIONAL
CONCLUSIONS: Our theoretic model allows estimating the minimal catheter diameters needed for successful mechanical thrombectomy with ADAPT, as demonstrated by the good agreement with our animal experiments. Our model will be helpful to interventionalists in avoiding selecting catheters that are likely too small to be effective.
Source: American Journal of Neuroradiology - December 15, 2017 Category: Radiology Authors: Nikoubashman, O., Nikoubashman, A., Büsen, M., Wiesmann, M. Tags: INTERVENTIONAL Source Type: research

Endovascular Treatment of Vein of Galen Malformations: A Systematic Review and Meta-Analysis PEDIATRICS
CONCLUSIONS: Patients receiving endovascular embolization of vein of Galen malformations experienced good long-term clinical outcomes in >60% of cases. Appropriate patient selection is key as treatment guided by the Bicêtre neonatal evaluation score was associated with improved neurologic outcomes.
Source: American Journal of Neuroradiology - December 15, 2017 Category: Radiology Authors: Brinjikji, W., Krings, T., Murad, M. H., Rouchaud, A., Meila, D. Tags: PEDIATRICS Source Type: research