Related Experiment Video

Updated: Jun 11, 2026

Optimized Management of Endovascular Treatment for Acute Ischemic Stroke
09:21

Optimized Management of Endovascular Treatment for Acute Ischemic Stroke

Published on: January 18, 2018

Clinical and radiological courses do not differ between fluid-attenuated inversion recovery-positive and negative

Martin Ebinger, Ann-Christin Ostwaldt, Ivana Galinovic

    Stroke
    |July 3, 2010
    PubMed
    Abstract

    Insights

    Fluid-attenuated inversion recovery (FLAIR) MRI lesion visibility did not predict thrombolysis effectiveness in acute ischemic stroke patients. This finding suggests FLAIR status does not influence treatment outcomes in stroke care.

    Area of Science:

    • Neurology
    • Radiology
    • Emergency Medicine

    Background:

    • Acute ischemic stroke patients often show increasing detectable lesions on FLAIR MRI over time.
    • This study investigated if thrombolysis effectiveness differs between FLAIR-positive and FLAIR-negative acute ischemic stroke patients.

    Discussion:

    • No significant difference in lesion growth or NIH Stroke Scale change was observed between FLAIR-positive and FLAIR-negative groups.
    • This suggests that the presence of visible lesions on FLAIR MRI does not impact the response to thrombolysis.

    Key Insights:

    • FLAIR MRI lesion visibility is not a predictor of thrombolysis response in acute ischemic stroke.
    • Thrombolysis outcomes are comparable regardless of whether lesions are visible on FLAIR MRI at the time of treatment.

    Outlook:

    • Further research could explore other imaging biomarkers to predict thrombolysis response.
    • Investigating the role of diffusion-weighted imaging (DWI) in conjunction with FLAIR may offer deeper insights into stroke pathophysiology and treatment efficacy.

    More Related Videos

    Combined Near-infrared Fluorescent Imaging and Micro-computed Tomography for Directly Visualizing Cerebral Thromboemboli13:10

    Combined Near-infrared Fluorescent Imaging and Micro-computed Tomography for Directly Visualizing Cerebral Thromboemboli

    Published on: September 25, 2016

    Related Concept Videos

    Ischemic Stroke ll: Pathophysiology01:15

    Ischemic Stroke ll: Pathophysiology

    An ischemic stroke occurs when a cerebral blood vessel becomes obstructed, most often by a thrombus or embolus, interrupting the delivery of oxygen and glucose to brain tissue. Because neurons rely on continuous aerobic metabolism, energy failure begins within minutes of reduced perfusion. The region receiving the least blood flow becomes the infarct core, an area of irreversible cellular death. Surrounding this core lies the penumbra, a zone of hypoperfused but still viable tissue that is...
    Hemorrhagic Stroke ll: Pathophysiology01:29

    Hemorrhagic Stroke ll: Pathophysiology

    A hemorrhagic stroke develops when a cerebral blood vessel ruptures, allowing blood to escape into the surrounding brain tissue, as in intracerebral hemorrhage (ICH), or into the subarachnoid space, as in subarachnoid hemorrhage (SAH). Because the skull is a rigid compartment, the sudden presence of extravascular blood rapidly increases intracranial pressure and compresses adjacent neural structures, leading to immediate tissue injury and impaired cerebral perfusion.Mass Effect and Primary...
    Ischemic Stroke l: Introduction01:15

    Ischemic Stroke l: Introduction

    Ischemic stroke is an acute cerebrovascular condition in which blood flow to a brain region is suddenly interrupted, leading to tissue infarction. Neurons depend on continuous oxygen and glucose supply, so even brief reductions in perfusion cause energy failure, ionic imbalance, and irreversible injury. Ischemic strokes are classified into thrombotic and embolic types based on their underlying mechanisms.Thrombotic MechanismsThrombotic stroke develops when a clot forms within a cerebral artery.
    Venous Thrombosis II: Clinical Manifestations and Diagnostic Studies01:20

    Venous Thrombosis II: Clinical Manifestations and Diagnostic Studies

    The key difference between Superficial Vein Thrombosis (SVT) and Deep Vein Thrombosis (DVT) lies in their location and severity.Clinical ManifestationsSVT typically presents with localized pain, tenderness, and redness along the course of a superficial vein, often accompanied by a palpable, cord-like structure under the skin. This condition is usually less dangerous than DVT but can be uncomfortable and may lead to complications such as cellulitis or, rarely, a clot extension into the deep...
    Acute Coronary Syndrome III: Diagnostic Studies01:30

    Acute Coronary Syndrome III: Diagnostic Studies

    Diagnosing acute coronary syndrome or ACS begins with a thorough patient history. Notable symptoms include central, crushing chest pain radiating to the left arm, neck, jaw, or back, along with shortness of breath, sweating (diaphoresis), nausea, vomiting, dizziness, and palpitations.It is crucial to note any history of cardiac illnesses and assess risk factors, including age, gender, smoking, hypertension, diabetes, hyperlipidemia, and a sedentary lifestyle.During physical examination, vital...
    Imaging Studies for Cardiovascular System V: CT01:28

    Imaging Studies for Cardiovascular System V: CT

    Cardiac computed tomography (CT) scanning is an advanced cardiac imaging technique that utilizes CT technology, with or without intravenous (IV) contrast, to produce accurate cross-sectional virtual slices of specific areas of the heart, coronary circulation, and major blood vessels such as the aorta, pulmonary veins, and arteries. The computer processes these slices to generate three-dimensional images. Multidetector CT (MDCT) is a rapid form of CT scanning that captures multiple slices...