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Source: American Journal of Neuroradiology

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Total 580 results found since Jan 2013.

Considerations for Antiplatelet Management of Carotid Stenting in the Setting of Mechanical Thrombectomy: A Delphi Consensus Statement INTERVENTIONAL
CONCLUSIONS: More and better data on antiplatelet management for carotid stent placement in the setting of endovascular treatment are urgently needed. Panel members preferred intravenous aspirin or, alternatively, a glycoprotein IIb/IIIa receptor inhibitor as an intraprocedural antiplatelet agent, followed by a dual oral regimen of aspirin and a P2Y12 inhibitor in the postprocedural period.
Source: American Journal of Neuroradiology - December 11, 2020 Category: Radiology Authors: Goyal, M., Yoshimura, S., Milot, G., Fiehler, J., Jayaraman, M., Dorn, F., Taylor, A., Liu, J., Albuquerque, F., Jensen, M. E., Nogueira, R., Fraser, J. F., Chapot, R., Thibault, L., Majoie, C., Yang, P., Sakai, N., Kallmes, D., Orlov, K., Arthur, A., Bro Tags: INTERVENTIONAL Source Type: research

Treatment of Ruptured Blister-Like Aneurysms with the FRED Flow Diverter: A Multicenter Experience INTERVENTIONAL
CONCLUSIONS: Treatment of ruptured blister-like aneurysms with the FRED is safe and effective.
Source: American Journal of Neuroradiology - December 11, 2020 Category: Radiology Authors: Möhlenbruch, M. A., Seker, F., Özlük, E., Kizilkilic, O., Broussalis, E., Killer-Oberpfalzer, M., Griessenauer, C. J., Bendszus, M., Kocer, N. Tags: INTERVENTIONAL Source Type: research

Patients Requiring Conversion to General Anesthesia during Endovascular Therapy Have Worse Outcomes: A Post Hoc Analysis of Data from the SAGA Collaboration INTERVENTIONAL
CONCLUSIONS: Patients undergoing conversion had significantly worse outcome compared with patients remaining in conscious sedation. No factor was identified that predicted conversion from conscious sedation to general anesthesia.
Source: American Journal of Neuroradiology - December 11, 2020 Category: Radiology Authors: Simonsen, C. Z., Schönenberger, S., Henden, P. L., Yoo, A. J., Uhlmann, L., Rentzos, A., Bösel, J., Valentin, J., Rasmussen, M. Tags: INTERVENTIONAL Source Type: research

Vessel Wall Enhancement and Focal Cerebral Arteriopathy in a Pediatric Patient with Acute Infarct and COVID-19 Infection PEDIATRICS
SUMMARY: Herein, we report the findings of intracranial arterial wall enhancement, consistent with focal cerebral arteriopathy–inflammatory type, in a child presenting with acute infarct in the setting of coronavirus disease 2019 (COVID-19) infection. To our knowledge, this report provides the first description of vessel wall imaging findings in COVID-19-associated acute stroke.
Source: American Journal of Neuroradiology - December 11, 2020 Category: Radiology Authors: Gulko, E., Overby, P., Ali, S., Mehta, H., Al-Mufti, F., Gomes, W. Tags: PEDIATRICS Source Type: research

Perinatal Arterial Ischemic Stroke in Fetal Vascular Malperfusion: A Case Series and Literature Review PEDIATRICS
SUMMARY: Fetal vascular malperfusion includes a continuum of placental histologic abnormalities increasingly associated with perinatal brain injury, namely arterial ischemic stroke. Here, we describe the clinical-neuroimaging features of 5 neonates with arterial ischemic stroke and histologically proved fetal vascular malperfusion. All infarcts involved the anterior territories and were multiple in 2 patients. In 2 neonates, there were additional signs of marked dural sinus congestion, thrombosis, or both. A mixed pattern of chronic hypoxic-ischemic encephalopathy and acute infarcts was noted in 1 patient at birth. Systemi...
Source: American Journal of Neuroradiology - December 11, 2020 Category: Radiology Authors: Geraldo, A. F., Parodi, A., Bertamino, M., Buffelli, F., Uccella, S., Tortora, D., Moretti, P., Ramenghi, L., Fulcheri, E., Rossi, A., Severino, M. Tags: PEDIATRICS Source Type: research

Chest CT Scanning in Suspected Stroke: Not Always Worth the Extra Mile letter
Source: American Journal of Neuroradiology - November 11, 2020 Category: Radiology Authors: Li, M. D., Lang, M., Yoon, B. C., Applewhite, B. P., Buch, K., Rincon, S. P., Leslie-Mazwi, T. M., Mehan, W. A. Tags: letter Source Type: research

COVID-19-Associated Carotid Atherothrombosis and Stroke EXTRACRANIAL VASCULAR
We present a radiology-pathology case series of 3 patients with coronavirus disease 2019 (COVID-19) with acute ischemic stroke due to fulminant carotid thrombosis overlying mild atherosclerotic plaque and propose a novel stroke mechanism: COVID-associated carotid atherothrombosis.
Source: American Journal of Neuroradiology - November 11, 2020 Category: Radiology Authors: Esenwa, C., Cheng, N. T., Lipsitz, E., Hsu, K., Zampolin, R., Gersten, A., Antoniello, D., Soetanto, A., Kirchoff, K., Liberman, A., Mabie, P., Nisar, T., Rahimian, D., Brook, A., Lee, S.- K., Haranhalli, N., Altschul, D., Labovitz, D. Tags: EXTRACRANIAL VASCULAR Source Type: research

Stroke Thrombectomy in Patients with COVID-19: Initial Experience in 13 Cases INTERVENTIONAL
SUMMARY: We performed a retrospective review in both comprehensive stroke units of a region affected early by the coronavirus disease 2019 (COVID-19) pandemic, between March 1 and April 26, 2020, including patients with COVID-19 who underwent mechanical thrombectomy for ischemic stroke. We identified 13 cases, representing 38.2% of 34 thrombectomies performed during this period. We observed increased mortality and a high incidence of thrombotic complications during hospitalization. Given the high rate of infected patients, systematic use of full personal protection measures seems justified.
Source: American Journal of Neuroradiology - November 11, 2020 Category: Radiology Authors: Pop, R., Hasiu, A., Bolognini, F., Mihoc, D., Quenardelle, V., Gheoca, R., Schluck, E., Courtois, S., Delaitre, M., Musacchio, M., Pottecher, J., Chamaraux-Tran, T.- N., Sellal, F., Wolff, V., Lebedinsky, P. A., Beaujeux, R. Tags: INTERVENTIONAL Source Type: research

Location-Specific ASPECTS Paradigm in Acute Ischemic Stroke: A Systematic Review and Meta-Analysis ADULT BRAIN
CONCLUSIONS: Our study indicated an unequal impact of some ASPECTS subregions in predicting outcomes of patients with acute ischemic stroke. Stroke laterality, imaging technique, and interventional technique subgroup analyses showed no differences among ASPECTS regions in predicting outcome. Investigation in larger cohorts is required to assess the association of ASPECTS with acute ischemic stroke outcome.
Source: American Journal of Neuroradiology - November 11, 2020 Category: Radiology Authors: Seyedsaadat, S. M., Neuhaus, A. A., Pederson, J. M., Brinjikji, W., Rabinstein, A. A., Kallmes, D. F. Tags: ADULT BRAIN Source Type: research

Dynamic CTA-Derived Perfusion Maps Predict Final Infarct Volume: The Simple Perfusion Reconstruction Algorithm FUNCTIONAL
CONCLUSIONS: We have shown that perfusion maps generated from a temporally sampled helical CTA are an accurate surrogate for infarct core.
Source: American Journal of Neuroradiology - November 11, 2020 Category: Radiology Authors: McDougall, C. C., Chan, L., Sachan, S., Guo, J., Sah, R. G., Menon, B. K., Demchuk, A. M., Hill, M. D., Forkert, N. D., dEsterre, C. D., Barber, P. A. Tags: FUNCTIONAL Source Type: research

Carotid Stenting and Mechanical Thrombectomy in Patients with Acute Ischemic Stroke and Tandem Occlusions: Antithrombotic Treatment and Functional Outcome INTERVENTIONAL
CONCLUSIONS: During carotid stent placement and mechanical thrombectomy for tandem occlusion treatment, higher intraprocedural heparin dosage (≥3000 IU) increased symptomatic intracranial hemorrhage risk when the initial ASPECTS was ≤7, and mechanical thrombectomy needs more than one passage for complete recanalization. Antiplatelets antiplatelets use were safe, and dual-antiaggregation therapy was related to better functional outcomes.
Source: American Journal of Neuroradiology - November 11, 2020 Category: Radiology Authors: Da Ros, V., Scaggiante, J., Sallustio, F., Lattanzi, S., Bandettini, M., Sgreccia, A., Rolla-Bigliani, C., Lafe, E., Sanfilippo, G., Diomedi, M., Ruggiero, M., Haznedari, N., Giannoni, M., Finocchi, C., Floris, R. Tags: INTERVENTIONAL Source Type: research

Use of Cangrelor in Cervical and Intracranial Stenting for the Treatment of Acute Ischemic Stroke: A "Real Life" Single-Center Experience INTERVENTIONAL
CONCLUSIONS: Although larger, multicentric randomized studies are strongly warranted, our results support the hypothesis of a possible role of cangrelor as a valuable therapeutic option in the management of platelet inhibition in acute ischemic stroke procedures after intra- or extracranial stent placement.
Source: American Journal of Neuroradiology - November 11, 2020 Category: Radiology Authors: Cervo, A., Ferrari, F., Barchetti, G., Quilici, L., Piano, M., Boccardi, E., Pero, G. Tags: INTERVENTIONAL Source Type: research

Efficacy of Asahi Fubuki as a Guiding Catheter for Mechanical Thrombectomy: An Institutional Case Series INTERVENTIONAL
SUMMARY: Treatment outcomes of mechanical thrombectomy for acute stroke secondary to large-vessel occlusion in which the Asahi Fubuki was used as a guide catheter were reviewed. Among 154 patients treated with mechanical thrombectomy, the Fubuki was successfully delivered to the cervical ICA in 151 cases (98.1%) and the lesion was successfully crossed in 150 cases (97.4%). Median times to lesion crossing and revascularization were 9 and 19 minutes, respectively.
Source: American Journal of Neuroradiology - November 11, 2020 Category: Radiology Authors: Rinaldo, L., Cloft, H., Brinjikji, W. Tags: INTERVENTIONAL Source Type: research

Pressing Issues in COVID-19: Probable Cause to Seize SARS-CoV-2 for Its Preferential Involvement of Posterior Circulation Manifesting as Severe Posterior Reversible Encephalopathy Syndrome and Posterior Strokes ADULT BRAIN
SUMMARY: Since December 2019, a novel Severe Acute Respiratory Syndrome coronavirus 2 from China has rapidly spread worldwide. Although respiratory involvement is the mainstay of coronavirus disease 2019 (COVID-19), systemic involvement has recently drawn more attention. In particular, a number of recent articles have shed light on the nervous system as one of the possible targets. At our institution, we observed 15 patients with acute brain vascular manifestations; most interesting, we had a higher prevalence of the posterior circulation acute impairment. In our series, 7 patients had acute posterior cerebral injury: 1, h...
Source: American Journal of Neuroradiology - October 5, 2020 Category: Radiology Authors: DAmore, F., Vinacci, G., Agosti, E., Cariddi, L. P., Terrana, A. V., Vizzari, F. A., Mauri, M., Giorgianni, A. Tags: ADULT BRAIN Source Type: research

Perfusion Parameter Thresholds That Discriminate Ischemic Core Vary with Time from Onset in Acute Ischemic Stroke FUNCTIONAL
CONCLUSIONS: Perfusion abnormalities in ischemic core regions become progressively more abnormal with longer intervals from onset to imaging. Perfusion parameter value thresholds that best delineate ischemic core are more severely abnormal and have higher accuracy with longer onset-to-imaging times.
Source: American Journal of Neuroradiology - October 5, 2020 Category: Radiology Authors: Yoshie, T., Yu, Y., Jiang, H., Honda, T., Trieu, H., Scalzo, F., Saver, J. L., Liebeskind, D. S., on behalf of the UCLA Reperfusion Therapy Investigators Tags: FUNCTIONAL Source Type: research