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Navigating Supply Chain Disruptions of Iodinated Contrast Agent for Neuroimaging and How Business Intelligence Can Help the Decision Process ADULT BRAIN
SUMMARY: A recent coronavirus disease 2019–related shutdown of the main production facility of iohexol in China has led to massive shortages of iodinated contrast material across the globe. This shortage has also jeopardized neuroimaging. In this article, we describe remedies to reduce iodinated contrast material use for stroke imaging, which is its primary use in neuroimaging, that we have implemented in our hospital network.
Source: American Journal of Neuroradiology - July 7, 2022 Category: Radiology Authors: Bammer, R., Amukotuwa, S. A. Tags: ADULT BRAIN Source Type: research

COVID-19 Stroke Apical Lung Exam Study: Is it Really an Accurate Diagnostic Method? LETTERS
Source: American Journal of Neuroradiology - August 11, 2021 Category: Radiology Authors: Marquez, S., Campana, J., Bedoya, N. Tags: LETTERS Source Type: research

Brain and Lung Imaging Correlation in Patients with COVID-19: Could the Severity of Lung Disease Reflect the Prevalence of Acute Abnormalities on Neuroimaging? A Global Multicenter Observational Study ADULT BRAIN
CONCLUSIONS: The CT lung disease severity score may be predictive of acute abnormalities on neuroimaging in patients with COVID-19 with neurologic manifestations. This can be used as a predictive tool in patient management to improve clinical outcome.
Source: American Journal of Neuroradiology - June 10, 2021 Category: Radiology Authors: Mahammedi, A., Ramos, A., Bargallo, N., Gaskill, M., Kapur, S., Saba, L., Carrete, H., Sengupta, S., Salvador, E., Hilario, A., Revilla, Y., Sanchez, M., Perez-Nunez, M., Bachir, S., Zhang, B., Oleaga, L., Sergio, J., Koren, L., Martin-Medina, P., Wang, L Tags: ADULT BRAIN Source Type: research

Impact of SARS-CoV-2 Pandemic on "Stroke Code" Imaging Utilization and Yield ADULT BRAIN
CONCLUSIONS: During our pandemic period, there was a significantly decreased number of stroke codes but simultaneous increases in positivity rates, symptom severity, and inpatient codes. We postulate that this finding reflects the documented reluctance of patients to seek medical care during the pandemic, with the shift toward a greater proportion of inpatient stroke codes potentially reflecting the neurologic complications of the virus itself.
Source: American Journal of Neuroradiology - June 10, 2021 Category: Radiology Authors: Shatzkes, D. R., Zlochower, A. B., Steinklein, J. M., Pramanik, B. K., Filippi, C. G., Azhar, S., Wang, J. J., Sanelli, P. C. Tags: ADULT BRAIN Source Type: research

A Comparison of Chest Radiograph and CTA Apical Pulmonary Findings in Patients Presenting with Suspected Acute Stroke during the COVID-19 Pandemic LETTERS
Source: American Journal of Neuroradiology - March 15, 2021 Category: Radiology Authors: Siddiqui, J., Bala, F., Sciacca, S., Falzon, A. M., Benger, M., Matloob, S. A., Miller, F. N. A. C., Simister, R. J., Chatterjee, I., Sztriha, L. K., Davagnanam, I., Booth, T. C. Tags: LETTERS Source Type: research

Analysis of Stroke Detection during the COVID-19 Pandemic Using Natural Language Processing of Radiology Reports ADULT BRAIN
CONCLUSIONS: Acute or subacute ischemic stroke cases detected by neuroimaging decreased during the COVID-19 pandemic, though a higher proportion of studies ordered for stroke were positive for acute or subacute ischemic strokes. Natural language processing approaches can help automatically track acute or subacute ischemic stroke numbers for epidemiologic studies, though local classifier training is important due to radiologist reporting style differences.
Source: American Journal of Neuroradiology - March 15, 2021 Category: Radiology Authors: Li, M. D., Lang, M., Deng, F., Chang, K., Buch, K., Rincon, S., Mehan, W. A., Leslie-Mazwi, T. M., Kalpathy-Cramer, J. Tags: ADULT BRAIN Source Type: research

COVID-19 Severity and Stroke: Correlation of Imaging and Laboratory Markers ADULT BRAIN
CONCLUSIONS: Patients with stroke hospitalized with severe COVID-19 are characterized by higher inflammatory, coagulopathy, and tissue-damage biomarkers, supporting proposed pathogenic mechanisms of hyperinflammation activating a prothrombotic state. Cautious balancing of thrombosis and the risk of hemorrhagic transformation is warranted when considering anticoagulation.
Source: American Journal of Neuroradiology - February 9, 2021 Category: Radiology Authors: Katz, J. M., Libman, R. B., Wang, J. J., Filippi, C. G., Sanelli, P., Zlochower, A., Gribko, M., Pacia, S. V., Kuzniecky, R. I., Najjar, S., Azhar, S. Tags: ADULT BRAIN Source Type: research

Integrating New Staff into Endovascular Stroke-Treatment Workflows in the COVID-19 Pandemic INTERVENTIONAL
SUMMARY: A health care crisis such as the coronavirus disease 2019 (COVID-19) pandemic requires allocation of hospital staff and resources on short notice. Thus, new and sometimes less experienced team members might join the team to fill in the gaps. This scenario can be particularly challenging in endovascular stroke treatment, which is a highly specialized task that requires seamless cooperation of numerous health care workers across various specialties and professions. This document is intended for stroke teams who face the challenge of integrating new team members into endovascular stroke-treatment workflows during the...
Source: American Journal of Neuroradiology - January 11, 2021 Category: Radiology Authors: Goyal, M., Kromm, J., Ganesh, A., Wira, C., Southerland, A., Sheth, K. N., Khosravani, H., Panagos, P., McNair, N., Ospel, J. M., On behalf of the AHA/ASA Stroke Council Science Subcommittees: Emergency Neurovascular Care (ENCC), the Cardiovascular and St Tags: INTERVENTIONAL Source Type: research

COVID-19 Stroke Apical Lung Examination Study: A Diagnostic and Prognostic Imaging Biomarker in Suspected Acute Stroke EXTRACRANIAL VASCULAR
CONCLUSIONS: We identified a simple, reliable, and accurate COVID-19 diagnostic and prognostic imaging biomarker obtained from CTA lung apices: the presence or absence of ground-glass opacification. Our findings have important implications in the management of patients presenting with suspected stroke through early identification of COVID-19 and the subsequent limitation of disease transmission.
Source: American Journal of Neuroradiology - January 11, 2021 Category: Radiology Authors: Siddiqui, J., Bala, F., Sciacca, S., Falzon, A. M., Benger, M., Matloob, S. A., Miller, F. N. A. C., Simister, R. J., Chatterjee, I., Sztriha, L. K., Davagnanam, I., Booth, T. C. Tags: EXTRACRANIAL VASCULAR Source Type: research

Characteristics of Large-Vessel Occlusion Associated with COVID-19 and Ischemic Stroke INTERVENTIONAL
SUMMARY: The mechanisms and phenotype of ischemic stroke associated with coronavirus disease 2019 (COVID-19) remain uncertain. A retrospective study was conducted in patients with COVID-19 presenting with ischemic stroke from March 1 to May 25, 2020, and cases with large-vessel occlusion were identified. To provide baseline institutional stroke data within and outside the COVID-19 pandemic, all consecutive ischemic stroke and TIA admissions (COVID and non-COVID) to the hospital during a 10-week period from March 1 to May 10, 2020, were collected and compared with data from the same time period in 2019. Among 20 patients wi...
Source: American Journal of Neuroradiology - December 11, 2020 Category: Radiology Authors: John, S., Kesav, P., Mifsud, V. A., Piechowski-Jozwiak, B., Dibu, J., Bayrlee, A., Elkambergy, H., Roser, F., Elhammady, M. S., Zahra, K., Hussain, S. I. Tags: INTERVENTIONAL Source Type: research

The Impact of COVID-19 on Emergent Large-Vessel Occlusion: Delayed Presentation Confirmed by ASPECTS INTERVENTIONAL
CONCLUSIONS: The pandemic led to delays in patients arriving at hospitals, leading to decreased patients eligible for treatment, while in-hospital evaluation and treatment times remain unchanged.
Source: American Journal of Neuroradiology - December 11, 2020 Category: Radiology Authors: Altschul, D. J., Haranhalli, N., Esenwa, C., Unda, S. R., Garza Ramos, R. d. L., Dardick, J., Fernandez-Torres, J., Toma, A., Labovitz, D., Cheng, N., Lee, S. K., Brook, A., Zampolin, R. 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

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

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

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