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Microbleeds, Mortality, and Stroke in Alzheimer Disease The MISTRAL Study
Conclusions and RelevanceIn patients with AD, the presence of nonlobar microbleeds was associated with an increased risk for cardiovascular events and cardiovascular mortality. Patients with lobar microbleeds had an increased risk for stroke and stroke-related mortality, indicating that these patients should be treated with the utmost care.
Source: JAMA Neurology - March 23, 2015 Category: Neurology Source Type: research

Effects of Golden Hour Thrombolysis A Prehospital Acute Neurological Treatment and Optimization of Medical Care in Stroke (PHANTOM-S) Substudy
ImportanceThe effectiveness of intravenous thrombolysis in acute ischemic stroke is time dependent. The effects are likely to be highest if the time from symptom onset to treatment is within 60 minutes, termed the golden hour.ObjectiveTo determine the achievable rate of golden hour thrombolysis in prehospital care and its effect on outcome.Design, Setting, and ParticipantsThe prospective controlled Prehospital Acute Neurological Treatment and Optimization of Medical Care in Stroke study was conducted in Berlin, Germany, within an established infrastructure for stroke care. Weeks were randomized according to the availabilit...
Source: JAMA Neurology - November 17, 2014 Category: Neurology Source Type: research

Prehospital Thrombolysis for Stroke An Idea Whose Golden Hour Has Arrived
Soon after thrombolytic therapy was established as a therapy for ischemic stroke, our colleague Anthony Furlan, MD, famously circulated a cartoon of a computed tomographic (CT) scanner visible through the back doors of an ambulance, where a happy stroke physician had hung a bottle dripping tissue plasminogen activator (tPA) into the scanned patient’s arm. Because the time interval from stroke onset to initiation of thrombolysis after ischemic stroke is inversely related to the probability of disability-free recovery, prehospital initiation of thrombolytic therapy seemed a compelling and logical ambition, if one could rul...
Source: JAMA Neurology - November 17, 2014 Category: Neurology Source Type: research

Thrombolysis Works in Lacunar Infarct, Complicating Imaging Selection
A new, exploratory analysis of the Efficacy and Safety of MRI-Based Thrombolysis in Wake-up Stroke (WAKE-UP) trial by Barow and colleagues in this issue ofJAMA Neurology provides unique and compelling data suggesting that thrombolysis improves clinical outcomes after acute lacunar infarction. The European Union –commissioned, 500-patient, randomized, double-blind, placebo-controlled WAKE-UP trial of alteplase captured the magnetic resonance imaging (MRI) and magnetic resonance angiography of patients with acute ischemic stroke prior to thrombolysis. This allowed categorization of infarcts as lacunar vs n onlacunar, using...
Source: JAMA Neurology - March 25, 2019 Category: Neurology Source Type: research

SELECTing Patients With Large Ischemic Core Who May Benefit From Endovascular Reperfusion
In this issue of JAMA Neurology, Sarraj et al report on the clinical and radiologic outcomes in an observational cohort of 105 patients who had extensive ischemic changes on noncontrast computed tomographic (CT) scans (Alberta Stroke Program Early CT Scores [ASPECTS] of 0-5) or CT perfusion scans with ischemic core volume greater than 50 mL and who were treated within 24 hours of stroke onset with endovascular thrombectomy or medical management. All but 1 of the patients who received endovascular treatment and were included based on low ASPECTS had a score of 4 or 5. The ASPECTS regions are not volumetrically or functional...
Source: JAMA Neurology - July 29, 2019 Category: Neurology Source Type: research

Worsening Stroke Symptoms in an 80-Year-Old Man
An 80-year-old man presented to the hospital with new-onset slurred speech and left-sided facial droop. Magnetic resonance imaging scans of the head were visually interpreted to show an acute infarct involving the posterior right frontal lobe. What is your diagnosis?
Source: JAMA Neurology - June 6, 2016 Category: Neurology Source Type: research