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Acute ischemic stroke complicating common carotid artery thrombosis during a severe COVID-19 infection
Publication date: Available online 4 May 2020Source: Journal of NeuroradiologyAuthor(s): Alain Viguier, Louis Delamarre, Julien Duplantier, Jean Marc Olivot, Fabrice Bonneville
Source: Journal of Neuroradiology - May 4, 2020 Category: Radiology Source Type: research

Improved detection and characterization of arterial occlusion in acute ischemic stroke using Contrast Enhanced MRA
Conclusions:Our study showed that CEMRA imaging detected arterial occlusions better than TOF MRA in AIS patients and more precisely such that thrombus length and location could be known, which improves the patient’s management and care.
Source: Journal of Neuroradiology - March 8, 2019 Category: Radiology Source Type: research

Endovascular management of extracranial occlusions at the hyperacute phase of stroke with tandem occlusions
ConclusionsCervical occlusion with coils and thrombectomy with stent-retrievers may be relevant to prevent early embolic recurrence in cervical occlusions with intraluminal thrombus. Stent-retrievers should be further assessed as a first-line approach, since delayed stroke may occur following occlusion with coils. Medical treatment alone may be sufficient when no cervical intraluminal thrombus is present, the Willis polygon is effective, and the cervical occlusion can be crossed easily to perform the intracranial thrombectomy.
Source: Journal of Neuroradiology - July 10, 2018 Category: Radiology Source Type: research

Postoperative in-stent protrusion is an important predictor of perioperative ischemic complications after carotid artery stenting
ConclusionsPostoperative ipsilateral stroke was observed more frequently in patients with demonstrated in-stent protrusion (ISP) following CAS.
Source: Journal of Neuroradiology - July 10, 2018 Category: Radiology Source Type: research

Endovascular management of extracranial occlusions at the hyperacute phase of stroke with tandem occlusions
ConclusionsCervical occlusion with coils and thrombectomy with stent-retrievers may be relevant to prevent early embolic recurrence in cervical occlusions with intraluminal thrombus. Stent-retrievers should be further assessed as a first-line approach, since delayed stroke may occur following occlusion with coils. Medical treatment alone may be sufficient when no cervical intraluminal thrombus is present, the Willis polygon is effective, and the cervical occlusion can be crossed easily to perform the intracranial thrombectomy.
Source: Journal of Neuroradiology - July 5, 2018 Category: Radiology Source Type: research

Postoperative in-stent protrusion is an important predictor of perioperative ischemic complications after carotid artery stenting
ConclusionsPostoperative ipsilateral stroke was observed more frequently in patients with demonstrated in-stent protrusion (ISP) following CAS.
Source: Journal of Neuroradiology - July 5, 2018 Category: Radiology Source Type: research

Endovascular management of extracranial occlusions at the hyperacute phase of stroke with tandem occlusions
Conclusions ervical occlusion with coils and thrombectomy with stent-retrievers may be relevant to prevent early embolic recurrence in cervical occlusions with intraluminal thrombus. Stent-retrievers should be further assessed as a first-line approach, since delayed stroke may occur following occlusion with coils.
Source: Journal of Neuroradiology - November 11, 2017 Category: Radiology Source Type: research

MRI quantitative T2* mapping on thrombus to predict recanalization after endovascular treatment for acute anterior ischemic stroke
Conclusion A new quantitative MRI biomarker, the Thrombus-T2* relaxation time is assessable in clinical routine. In a preliminary study of 30 patients, a shorter Thombus-T2* relaxation time is related to earlier recanalization after EVT using combination of stent retriever and aspiration.
Source: Journal of Neuroradiology - May 4, 2017 Category: Radiology Source Type: research

Radiological and clinical features of cerebral sinovenous thrombosis in newborns and older children
Conclusion Male patients are at higher risk for CSVT than females. In neonates, involvement of the deep venous structures is significantly more common. Brain parenchymal and extraparenchymal changes occur more frequently in this age group than in older children.
Source: Journal of Neuroradiology - March 11, 2016 Category: Radiology Source Type: research

MRI characteristics of carotid bulb atypical fibromuscular dysplasia in black stroke patients
Conclusions aFMD generates a particular MRI pattern in our four patients, which could increase the diagnosis accuracy. Carotid bulb lesion in black stroke patients should suggest aFMD and MRI analysis may contribute to rule out differential diagnoses.
Source: Journal of Neuroradiology - December 11, 2015 Category: Radiology Source Type: research

Comparison of susceptibility-weighted and perfusion-weighted magnetic resonance imaging in the detection of penumbra in acute ischemic stroke
Conclusions DWI-SWI mismatch is a good marker for evaluating ischemic penumbra in stroke patients with cerebral infarction. SWI can detect thrombus in the affected vessels, and may be useful for guiding intra-arterial thrombolytic therapy.
Source: Journal of Neuroradiology - August 14, 2015 Category: Radiology Source Type: research

Thrombus composition in acute ischemic stroke: A histopathological study of thrombus extracted by endovascular retrieval
Conclusion HAS was significantly associated with early phase thrombus composition. This may enable the prediction of thrombus composition and allow for targeted selection of therapeutic modality.
Source: Journal of Neuroradiology - April 3, 2015 Category: Radiology Source Type: research

Pharmacological recanalization therapy in acute ischemic stroke – Evolution, current state and perspectives of intravenous and intra-arterial thrombolysis
Publication date: Available online 31 January 2015 Source:Journal of Neuroradiology Author(s): Martin Hlavica , Michael Diepers , Carlos Garcia-Esperon , Benjamin Victor Ineichen , Krassen Nedeltchev , Timo Kahles , Luca Remonda Stroke ranges third in mortality in industrialized nations and is the leading cause of disability in older people. Ischemic stroke following thrombotic or embolic vessel occlusion accounts for more than 80% of cerebrovascular events. Immediate restoration of cerebral blood flow is crucial in order to salvage brain tissue. Experimental thrombolytic treatment was introduced into the clinical settin...
Source: Journal of Neuroradiology - January 31, 2015 Category: Radiology Source Type: research

Computed tomography angiography source images closely reflect the integrity of collateral circulation
Conclusions CTA-SI and CS convey overlapping information. CTA-SI is not a significant predictor of the clinical outcome three months after intravenous thrombolysis when the other CTA-based parameters, CS and the clot location, are considered simultaneously. CTA-SI may have a role in the assessment of the extent of irreversible ischemic changes at admission if contrast injection and image acquisition protocols are designed suitably.
Source: Journal of Neuroradiology - December 13, 2014 Category: Radiology Source Type: research