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Specialty: Radiology
Condition: Hemorrhagic Stroke

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Total 905 results found since Jan 2013.

Contrast Extravasation versus Hemorrhage after Thrombectomy in Patients with Acute Stroke
CONCLUSIONMRI done within 48 hours postprocedure can lead to false positive hemorrhage or false negative contrast extravasation interpretations in stroke patients possibly due to effects from the administered angiographic contrast. Additionally, MRI should be done both after 72 hours for confirmation and without gadolinium contrast as the effects of the gadolinium contrast and residual angiographic contrast could lead to misdiagnosis.
Source: Journal of Neuroimaging - May 1, 2017 Category: Radiology Authors: Vivek Yedavalli, Steffen Sammet Tags: Short Communication Source Type: research

Improving the detection sensitivity of pH-weighted amide proton transfer MRI in acute stroke patients using extrapolated semisolid magnetization transfer reference signals.
CONCLUSIONS: The quantitative APT study using the extrapolated semisolid magnetization transfer reference signal approach enhances APT MRI sensitivity to pH compared with conventional APT-weighted MRI, allowing more reliable delineation of an ischemic acidosis in the penumbra. Magn Reson Med, 2017. © 2017 International Society for Magnetic Resonance in Medicine. PMID: 28639301 [PubMed - as supplied by publisher]
Source: Magnetic Resonance in Medicine - June 21, 2017 Category: Radiology Authors: Heo HY, Zhang Y, Burton TM, Jiang S, Zhao Y, van Zijl PCM, Leigh R, Zhou J Tags: Magn Reson Med Source Type: research

Comparisons of ASPECTS 5 and 6 for endovascular treatment in anterior circulation occlusive stroke.
Conclusions ASPECTS 5 has very little chance to reach good functional outcome in Chinese patients with anterior circulation large-artery occlusive stroke. Future studies with large sample sizes are needed. PMID: 28728534 [PubMed - as supplied by publisher]
Source: Interventional Neuroradiology - July 23, 2017 Category: Radiology Tags: Interv Neuroradiol Source Type: research

Imaging assessment of acute ischaemic stroke - a review of radiological methods.
Abstract Acute ischaemic stroke is the second largest cause of death worldwide and a cause of major physical and psychological morbidity. Current evidence based treatment includes intravenous thrombolysis (IVT) and mechanical thrombectomy (MT), both requiring careful patient selection and to be administered as quickly as possible within a limited time window from symptom onset. Imaging plays a crucial role identifying patients who may benefit from MT or IVT whilst excluding those that maybe harmed. For IVT, imaging must as a minimum exclude haemorrhage, stroke mimics and provide an estimate of non-viable brain. Fo...
Source: The British Journal of Radiology - November 16, 2017 Category: Radiology Authors: Smith A, Rowland Hill C Tags: Br J Radiol Source Type: research

Early Blood ‐Brain Barrier Disruption after Mechanical Thrombectomy in Acute Ischemic Stroke
CONCLUSIONSModerate BBB disruption is common after mechanical thrombectomy in a quarter of patients with acute ischemic stroke and increases the risk of intracranial hemorrhage and poor outcome.
Source: Journal of Neuroimaging - February 27, 2018 Category: Radiology Authors: Zhong ‐Song Shi, Gary R. Duckwiler, Reza Jahan, Satoshi Tateshima, Viktor Szeder, Jeffrey L. Saver, Doojin Kim, Latisha K. Sharma, Paul M. Vespa, Noriko Salamon, J. Pablo Villablanca, Fernando Viñuela, Lei Feng, Yince Loh, David S. Liebeskind Tags: Clinical Investigative Study Source Type: research

What to Look for on Post-stroke Neuroimaging
The most feared complication after acute ischemic stroke is symptomatic or asymptomatic hemorrhagic conversion. Neuroimaging and clinical criteria are used to predict development of hemorrhage. Seizures after acute ischemic stroke or stroke-like symptoms from seizures are not common but may lead to confusion in the peristroke period, especially if seizures are repetitive or evolve into status epilepticus, which could affect neuroimaging findings. Malignant infarction develops when cytotoxic edema is large enough to lead to herniation and death. Post-stroke neuroimaging prognosticators have been described and should be asse...
Source: Neuroimaging Clinics - September 15, 2018 Category: Radiology Authors: Angelos M. Katramados, Lotfi Hacein-Bey, Panayiotis N. Varelas Source Type: research

Heparin during endovascular stroke treatment seems safe
ConclusionsHeparin use during mechanical thrombectomy for anterior circulation acute ischemic stroke in a real world setting is safe.
Source: Journal of Neuroradiology - February 27, 2019 Category: Radiology Source Type: research

Ipsilateral atrophy of the mammillary body and fornix after thalamic stroke: evaluation by MRI.
CONCLUSION: Damage to the anterior thalamic nucleus and/or MTT caused TND in the ipsilateral MB and/or Fx resulted in atrophy and asymmetry in less than half of patients studied, mostly within three years. PMID: 30909707 [PubMed - as supplied by publisher]
Source: Acta Radiologica - March 24, 2019 Category: Radiology Authors: Kinoshita F, Kinoshita T, Toyoshima H, Shinohara Y Tags: Acta Radiol Source Type: research

Stroke Imaging
This article focuses on the role of neuroimaging in the management of patients with acute ischemic stroke.
Source: Radiologic Clinics of North America - April 7, 2019 Category: Radiology Authors: Shahmir Kamalian, Michael H. Lev Source Type: research

Number of Stentriever Passes and Outcome after Thrombectomy in Stroke
Conclusions:The number of passes needed to achieve target vessel recanalization modifies outcome after thrombectomy and successful recanalization after a single pass is associated with favorable outcome.
Source: Journal of Neuroradiology - April 12, 2019 Category: Radiology Source Type: research

Therapeutic effect of pre-operative tirofiban on patients with acute ischemic stroke with mechanical thrombectomy within 6-24 hours.
CONCLUSION: The use of tirofiban before MT can shorten the procedure time and improve the recanalization rate of occluded vessels in AIS patients. PMID: 31112428 [PubMed - as supplied by publisher]
Source: Interventional Neuroradiology - May 23, 2019 Category: Radiology Tags: Interv Neuroradiol Source Type: research

CT plus CT perfusion predicts stroke surgery outcomes
The combination of standard noncontrast CT and CT perfusion can identify which...Read more on AuntMinnie.comRelated Reading: CTA lowers costs, improves outcomes for minor stroke CT matches MRI for late-window stroke evaluation 3 CTA signs show which stroke patients can skip surgery 5 risk factors help predict brain hemorrhage on CT Perfusion imaging expands window for stroke treatment
Source: AuntMinnie.com Headlines - January 23, 2020 Category: Radiology Source Type: news

AI finds infarction in stroke patients on unenhanced CT
Canadian researchers found that their artificial intelligence (AI) algorithm...Read more on AuntMinnie.comRelated Reading: CT plus CT perfusion predicts stroke surgery outcomes CTA lowers costs, improves outcomes for minor stroke Can AI find brain hemorrhage as well as radiologists? Mobile CT unit boosts efficiency of stroke triage SIR: Stroke treatment training program improves outcomes
Source: AuntMinnie.com Headlines - January 30, 2020 Category: Radiology Source Type: news

CT radiomics unlocks basal ganglia stroke onset time
The combination of radiomics and a machine-learning algorithm can determine...Read more on AuntMinnie.comRelated Reading: AI may help improve management of stroke patients AI finds infarction in stroke patients on unenhanced CT CT plus CT perfusion predicts stroke surgery outcomes CTA lowers costs, improves outcomes for minor stroke Can AI find brain hemorrhage as well as radiologists?
Source: AuntMinnie.com Headlines - February 11, 2020 Category: Radiology Source Type: news

Favorable first-pass recanalization rates with NeVa ™ thrombectomy device in acute stroke patients: Initial clinical experience.
CONCLUSIONS: In our experience, the NeVa™ device demonstrated high first-pass and overall recanalization rates along with a good safety profile. PMID: 32615827 [PubMed - as supplied by publisher]
Source: Interventional Neuroradiology - July 5, 2020 Category: Radiology Tags: Interv Neuroradiol Source Type: research