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Related Concept Videos

Local Anesthetics: Clinical Application as Spinal Anesthesia01:11

Local Anesthetics: Clinical Application as Spinal Anesthesia

975
Spinal anesthetics are given during lower abdomen and limb surgeries to block sensory and motor neurons. They are administered in the mid to low lumbar regions, primarily acting on the cauda equina's nerve roots. The blockade level depends on the local anesthetic (LA) concentration. Usually, low LA concentrations are sufficient to block sensory fibers, while only high LA concentrations block motor fibers. Other factors like injection volume and speed, the patient's posture, and the drug...
975

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Related Experiment Video

Updated: Nov 11, 2025

Brain Infarct Segmentation and Registration on MRI or CT for Lesion-symptom Mapping
10:25

Brain Infarct Segmentation and Registration on MRI or CT for Lesion-symptom Mapping

Published on: September 25, 2019

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Spinal infarcts.

D Leys1, J-P Pruvo2

  • 1Inserm U 1172, CHU de Lille, University of Lille, Lille, France; Stroke unit, Department of Neurology, CHU de Lille, Lille, France.

Revue Neurologique
|March 29, 2021
PubMed
Summary
This summary is machine-generated.

Spinal cord ischemia is rare, causing sudden paralysis. Magnetic resonance imaging (MRI) is key for diagnosis, distinguishing it from other spinal cord issues. Treatment focuses on managing complications and underlying causes.

Keywords:
AortaMagnetic resonance imagingSpinal InfarctSpinal cord

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Area of Science:

  • Neurology
  • Vascular Medicine
  • Radiology

Background:

  • Spinal cord ischemia is infrequent compared to cerebral ischemia.
  • Spinal infarcts result in severe neurological deficits, often abrupt tetraplegia or paraplegia.
  • Accurate diagnosis is crucial for appropriate management.

Purpose of the Study:

  • To review the causes, diagnostic methods, and current management of spinal cord ischemia.
  • To highlight the role of Magnetic Resonance Imaging (MRI) in diagnosing spinal infarcts.
  • To differentiate spinal cord ischemia from other acute spinal cord syndromes.

Main Methods:

  • Literature review focusing on spinal cord ischemia.
  • Analysis of diagnostic utility of Magnetic Resonance Imaging (MRI).
  • Examination of etiological factors in Western countries.

Main Results:

  • Spinal cord ischemia is rare, presenting with acute, complete paralysis.
  • MRI is the primary imaging modality for diagnosing spinal infarcts and excluding other conditions like myelitis or compression.
  • Common causes in Western nations include aortic diseases (atherosclerosis, aneurysm, dissection) and iatrogenic factors from aortic surgery or interventional radiology.

Conclusions:

  • Spinal cord ischemia requires prompt diagnosis, with MRI being essential.
  • Aortic diseases and iatrogenic causes are predominant in Western populations.
  • Management involves addressing complications, the underlying etiology, and rehabilitation; no specific treatment exists for the infarct itself.