Filtered By:
Specialty: Radiology
Education: Study

This page shows you your search results in order of relevance. This is page number 15.

Order by Relevance | Date

Total 2908 results found since Jan 2013.

Influence of renal impairment on neurologic outcomes following mechanical thrombectomy in acute vertebrobasilar stroke
ConclusionRI was an independent risk factor for poor 3-month neurologic outcomes and survival probability after MT in patients with acute vertebrobasilar stroke.
Source: Neuroradiology - March 11, 2022 Category: Radiology Source Type: research

Ultrasound elastography in the assessment of post-stroke muscle stiffness: a systematic review
ConclusionUltrasound elastography is a promising imaging technology for determining the muscle stiffness in stroke survivors with need for a standardized imaging protocol.
Source: Insights into Imaging - April 5, 2022 Category: Radiology Source Type: research

Left Atrial Septal Pouch—Is it Really a New Risk Factor for Ischemic Stroke?: Subanalysis of the ASSAM Study
Purpose: The atrial septal pouch is an anatomic variant of the interatrial septum caused by incomplete fusion of the septum primum and secundum. It is debatable whether coexistence of septal pouch and atrial fibrillation (AF) increases the risk of stroke. Thus, the aim of the study was to evaluate the coexistence of left atrial septal pouch (LASP) and AF in patients with a history of stroke in comparison with those without an earlier history of stroke. Materials and Methods: We analyzed 145 patients with AF (68 in the study group, 77 in the control group). The study group consisted of patients with previous stro...
Source: Journal of Thoracic Imaging - April 28, 2022 Category: Radiology Tags: Original Articles Source Type: research

Beyond Diffusion Tensor MRI Methods for Improved Characterization of the Brain after Ischemic Stroke: A Review ADULT BRAIN
SUMMARY: Ischemic stroke is a worldwide problem, with 15 million people experiencing a stroke annually. MR imaging is a valuable tool for understanding and assessing brain changes after stroke and predicting recovery. Of particular interest is the use of diffusion MR imaging in the nonacute stage 1–30 days poststroke. Thousands of articles have been published on the use of diffusion MR imaging in stroke, including several recent articles reviewing the use of DTI for stroke. The goal of this work was to survey and put into context the recent use of diffusion MR imaging methods beyond DTI, including diffusional kurtosi...
Source: American Journal of Neuroradiology - May 10, 2022 Category: Radiology Authors: DiBella, E. V. R., Sharma, A., Richards, L., Prabhakaran, V., Majersik, J. J., HashemizadehKolowri, S. K. Tags: ADULT BRAIN Source Type: research

Matrix metalloproteinase-2 and matrix metalloproteinase-9 serum levels in patients with vertebrobasilar dolichoectasia with and without stroke: case –control study
ConclusionThis study found that high serum levels of MMP-9 are associated with VBD independently of stroke and correlated with the degree of VBD.
Source: Neuroradiology - May 19, 2022 Category: Radiology Source Type: research

MRI-derived cardiac washout is slowed in the left ventricle and associated with left ventricular non-compaction in young patients with cryptogenic ischemic stroke
AbstractTo elucidate underlying disease mechanisms, we compared transition of gadolinium-based contrast agent bolus in cardiac chambers in magnetic resonance imaging between young patents with cryptogenic ischemic stroke and stroke-free controls. We included 30 patients aged 18 –50 years with cryptogenic ischemic stroke from the prospective Searching for Explanations for Cryptogenic Stroke in the Young: Revealing the Etiology, Triggers and Outcome (NCT01934725) study and 30 age- and gender-matched stroke-free controls. Dynamic contrast-enhanced T1-weighted first-pass pe rfusion images were acquired at 1.5 T and analyze...
Source: The International Journal of Cardiovascular Imaging - May 30, 2022 Category: Radiology Source Type: research

Quantitative Collateral Assessment on CTP in the Prediction of Stroke Etiology FUNCTIONAL
CONCLUSIONS: Patients with large-artery atherosclerosis had a more adequate collateral perfusion supply with the new quantitative collateral assessment. The new quantitative collateral measurement might contribute to the prediction of stroke etiology in the acute clinical scenario for patients with acute ischemic stroke.
Source: American Journal of Neuroradiology - July 7, 2022 Category: Radiology Authors: Shi, F., Zeng, Q., Gong, X., Zhong, W., Chen, Z., Yan, S., Lou, M. Tags: FUNCTIONAL Source Type: research

Clot-based radiomics model for cardioembolic stroke prediction with CT imaging before recanalization: a multicenter study
ConclusionThe proposed CT-based radiomics model could reliably predict CE stroke in AIS, performing better than the routine radiological method.Key Points• Admission CT imaging could offer valuable information to identify the acute ischemic stroke source by radiomics analysis.• The proposed CT imaging–based radiomics model yielded a higher area under the curve (0.838) than the routine radiological method (0.713; p = 0.007).• Several radiomic features showed significantly stronger correlations with two main thrombus constituents (red blood cells, |rmax|, 0.74; fibrin and platelet, |rmax|, 0.68) than routine radiolog...
Source: European Radiology - September 6, 2022 Category: Radiology Source Type: research

Outcomes of wake-up stroke undergoing mechanical thrombectomy: A systematic review and meta-analysis
CONCLUSION: Mechanical thrombectomy for patients with wake-up stroke was found to have favorable rates of good functional outcomes and relatively low rates of adverse events.PMID:36254575 | DOI:10.1177/15910199221133167
Source: Interventional Neuroradiology - October 18, 2022 Category: Radiology Authors: Michael Liu Hassan Kobeissi Sherief Ghozy David F Kallmes Source Type: research

Rate of periprocedural stroke in diagnostic cerebral angiograms comparing transradial versus transfemoral access
CONCLUSION: In our experience, using transradial access for diagnostic cerebral angiograms was associated with a low but not negligible incidence of periprocedural strokes. Patient anatomy should be evaluated prior to selection of vascular access. Patients should be made aware of a slightly higher periprocedural stroke risk with transradial access.PMID:36451543 | DOI:10.1177/15910199221142653
Source: Interventional Neuroradiology - December 1, 2022 Category: Radiology Authors: Anna Luisa Kuhn Ajit S Puri Katyucia de Macedo Rodrigues Francesco Massari Jasmeet Singh Source Type: research

Efficacy of recanalization therapy for ischemic stroke: multicenter hospital network experience
DiscussionThe inter-company agreement between Federico II University and several peripheral hospitals allows an absolute and relative increase in endovascular mechanical thrombectomy and intravenous thrombolysis procedures, with a relative prevalence of mechanical thrombectomy. A regional implementation of the stroke multi-disciplinary care system is hardly needed to ensure the optimum treatment for the largest number of patients, improving patient ’s outcome.
Source: La Radiologia Medica - February 8, 2023 Category: Radiology Source Type: research

Patterns of Visual Task-based Functional MRI Activation in Chronic Posterior Cerebral Artery Stroke Patients
ConclusionIn chronic PCA stroke patients with residual visual impairments, the brain attempts to recruit more neighboring and distant functional areas for executing the impaired visual skill. This intense recruitment pattern in poorly recovering patients appears to be a  sign of failed compensation. Consequently, fMRI has the potential for clinically relevant prognostic assessment in patients surviving PCA stroke; however, as this study included no longitudinal data, this potential should be further investigated in longitudinal imaging studies, with a larger coho rt, and multiple time points.
Source: Klinische Neuroradiologie - March 3, 2023 Category: Radiology Source Type: research

Association between thrombus composition and stroke etiology in the MR CLEAN Registry biobank
ConclusionThrombus composition is significantly associated with stroke etiology, with an increase in RBC and a decrease in F/P raising the odds for a non-cardioembolic cause. No difference between composition of cardioembolic thrombi and of undetermined origin was seen. This emphasizes the need for more extensive monitoring for arrhythmias and/or extended cardiac analysis in case of an undetermined origin.
Source: Neuroradiology - April 15, 2023 Category: Radiology Source Type: research

Recanalization with Stent-Retriever Devices in Patients with Wake-Up Stroke INTERVENTIONAL
CONCLUSIONS: Despite successful and rapid recanalization with stent-retriever devices, good clinical outcome in patients with wake-up stroke is achieved in a minority of patients. Clinical outcome remains poor. Bleeding rates were higher compared with recanalization procedures within 6 hours after stroke onset.
Source: American Journal of Neuroradiology - May 15, 2013 Category: Radiology Authors: Stampfl, S., Ringleb, P. A., Haehnel, S., Rocco, A., Herweh, C., Hametner, C., Pham, M., Moehlenbruch, M., Bendszus, M., Rohde, S. Tags: INTERVENTIONAL Source Type: research