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Imaging and Recurrent Cerebrovascular Events in Patients After Stroke
This cohort study seeks to determine predictors of early recurrent cerebrovascular events among patients with transient ischemic attacks and minor strokes and National Institutes of Health Stroke Scale scores of 0 to 3.
Source: JAMA Neurology - March 21, 2016 Category: Neurology Source Type: research

Symptomatic Intracerebral Hemorrhage After IV Thrombolysis in Acute Stroke
This meta-analysis investigates the association of high cerebral microbleed burden with the risk of symptomatic intracerebral hemorrhage in patients with acute ischemic stroke treated with intravenous thrombolysis.
Source: JAMA Neurology - April 18, 2016 Category: Neurology Source Type: research

Precision Medicine for Ischemic Stroke
This Viewpoint discusses the future of precision medicine in the field of ischemic stroke, first looking at the current status of genetic approaches and then exploring the status of phenotype-based delineations.
Source: JAMA Neurology - May 2, 2016 Category: Neurology Source Type: research

Blood Pressure, Blood Glucose, and Temperature After Childhood Stroke
This cohort study aims to determine the prevalence of abnormal blood pressure, blood glucose levels, and temperature in pediatric patients with acute arterial ischemic stroke and to explore any association between these measures and neurological outcome.
Source: JAMA Neurology - May 23, 2016 Category: Neurology Source Type: research

Computed Tomography Perfusion and Diffusion-Weighted Imaging in Acute Stroke
To the Editor In JAMA Neurology, Rudilosso and colleagues presented 2 cases using computed tomography perfusion (CTP) and diffusion-weighted imaging (DWI). They suggested that CTP was superior to DWI in the identification of ischemic changes in acute stroke. In most patients, DWI findings appear positive within several minutes to several hours of the onset of acute cerebral infarction. Positive DWI findings depend on cytotoxic edema. The morphology of the brain maintains intact when cerebral blood flow is decreased to 30% of its normal level. If perfusion is returned to normal, no abnormality will be detected by DWI. When ...
Source: JAMA Neurology - June 27, 2016 Category: Neurology Source Type: research

Instrument for Predicting Early Stroke Recurrence
In Reply Our recently published article in JAMA Neurology was the third in a series of studies that assessed the ability of the Recurrence Risk Estimator (RRE) to predict the 90-day risk for recurrence after an ischemic stroke. The first 2 were internal validation studies that demonstrated good discrimination (C statistics, 0.80-0.85). The last assessed the validity of RRE in an international multicenter setting and revealed a comparable discriminative value (C statistic, 0.76), confirming the results of prior studies.
Source: JAMA Neurology - June 27, 2016 Category: Neurology Source Type: research

Stent Retrievers for Treating Anterior Circulation Acute Ischemic Stroke
To the Editor Touma et al reported a comprehensive systematic review and meta-analysis of 5 randomized clinical trials evaluating the benefits and risks of stent retrievers in addition to recombinant tissue plasminogen activator (rtPA) for the treatment of acute ischemic stroke (AIS). The main conclusion of the study was that “the use of stent retrievers in conjunction with rtPA vs rtPA alone is associated with significant improvement of functional independence 90 days after AIS.” However, as pointed out by the authors, all studies included in their meta-analysis selected only patients with anterior circulation acute i...
Source: JAMA Neurology - July 5, 2016 Category: Neurology Source Type: research

Endovascular Therapy for Acute Ischemic Stroke
This pooled cohort study evaluates the safety and effectiveness of endovascular therapy for occlusions of the M2 segment of the middle cerebral artery in patients with ischemic stroke.
Source: JAMA Neurology - September 12, 2016 Category: Neurology Source Type: research

Endovascular Treatment for Patients With Stroke and Large Ischemic Cores and Mismatch Imaging Profiles
This case-control study compares the outcomes of patients following stroke with large baseline ischemic cores on computed tomographic perfusion undergoing endovascular therapy with the outcomes of matched controls who had medical care alone.
Source: JAMA Neurology - November 7, 2016 Category: Neurology Source Type: research

Mechanical Thrombectomy for Acute Ischemic Stroke
Coutinho et al have performed a timely post hoc analysis consisting of a patient population from 2 large, prospective, core laboratory –adjudicated trials: Solitaire With the Intention for Thrombectomy (SWIFT) and Solitaire Flow Restoration Thrombectomy for Acute Revascularization (STAR), and their report appears in this issue ofJAMA Neurology. Given that 85% of the patients in mechanical thrombectomy (MT) trials received intravenous thrombolysis (IVT), they highlight an important group of patients in whom MT was successful without IVT. The recent IVT and MT trials have clearly established the new standard in therapy for...
Source: JAMA Neurology - January 9, 2017 Category: Neurology Source Type: research

Recurrence of Posterior Circulation Childhood Arterial Ischemic Stroke
This cohort study investigates the incidence of the recurrence of childhood arterial ischemic stroke in the posterior and anterior circulations to determine if the risk differs between the 2 locations.
Source: JAMA Neurology - January 23, 2017 Category: Neurology Source Type: research

Association of Collateral Blood Vessels With Neurological Outcome After Stroke
This cohort study assesses the association between the presence of collateral vessels identified using arterial spin labeling magnetic resonance imaging and neurologic outcome in patients after acute ischemic stroke.
Source: JAMA Neurology - February 13, 2017 Category: Neurology Source Type: research

Response to Endovascular Therapy for Acute Ischemic Stroke
To the Editor Recent data from randomized clinical trials provide clear evidence that endovascular treatment for acute ischemic stroke because of large vessel anterior circulation occlusion improves clinical outcomes for patients. These studies reported that most patients had an occlusion of the first segment (M1) of the middle cerebral artery and less than 10% in the M2 segment. The retrospective multicenter study conducted by Sarraj et al reports that endovascular treatment is safe and effective for an occlusion of the M2 segment. However, the literature reports different definitions for the M1 and M2 segments, which may...
Source: JAMA Neurology - February 27, 2017 Category: Neurology Source Type: research

Endovascular Thrombectomy for Acute Ischemic Stroke
This study compares the functional independence at 3 months between patients treated for acute ischemic stroke under the drip-and-ship paradigm and those treated on site (mothership paradigm).
Source: JAMA Neurology - March 20, 2017 Category: Neurology Source Type: research

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