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Related Concept Videos

Imaging Studies VII: Vascular Imaging01:19

Imaging Studies VII: Vascular Imaging

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DefinitionRenal angiography, also known as renal arteriography, is an imaging technique used to obtain a comprehensive view of blood flow and the vascular structure of blood vessels in the kidneys and surrounding areas.PurposeRenal angiography detects blood vessel abnormalities in the kidneys, such as aneurysms, stenosis, thrombosis, vascular tumors, and renal artery stenosis. It evaluates kidney function and guides interventional treatments like angioplasty or stent placement.Pre-Procedure...
171

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Related Experiment Video

Updated: Dec 10, 2025

Comprehensive Autopsy Program for Individuals with Multiple Sclerosis
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Vascular disease and multiple sclerosis: a post-mortem study exploring their relationships.

Ruth Geraldes1, Margaret M Esiri1, Rafael Perera2

  • 1Nuffield Department of Clinical Neurology, University of Oxford, Oxford, UK.

Brain : a Journal of Neurology
|September 3, 2020
PubMed
Summary
This summary is machine-generated.

Vascular comorbidities worsen multiple sclerosis (MS) outcomes. This study found cerebral small vessel disease, not atherosclerosis, is higher in MS patients and may explain the link between vascular issues and disability progression.

Keywords:
atherosclerosiscerebral small vessel diseasemultiple sclerosis

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Area of Science:

  • Neurology
  • Pathology
  • Vascular Biology

Background:

  • Vascular comorbidities negatively impact multiple sclerosis (MS) clinical outcomes.
  • The precise mechanisms linking vascular disease to MS progression remain unclear, particularly the roles of systemic atherosclerosis versus cerebral small vessel disease (CSVD).

Purpose of the Study:

  • To investigate the relationship between systemic vascular disease, CSVD, and MS pathology using a unique post-mortem cohort.
  • To determine if vascular comorbidities are mediated by atherosclerosis or CSVD in MS.

Main Methods:

  • Developed a global systemic vascular disease score from whole-body autopsy reports.
  • Assessed global CSVD and MS-related pathology (demyelination, inflammation) in post-mortem brain tissue.
  • Utilized regression models to analyze associations between disease status, vascular scores, and MS pathology.

Main Results:

  • Multiple sclerosis cases exhibited lower systemic cardiovascular burden (atherosclerosis) and higher CSVD compared to controls, especially at younger ages.
  • The association between systemic vascular disease and CSVD was stronger in multiple sclerosis patients.
  • Periarteriolar changes, including space dilatation and inflammation, were identified as key features of MS pathology beyond demyelination.

Conclusions:

  • Findings suggest CSVD, rather than systemic atherosclerosis, may be a significant factor in the link between vascular comorbidities and accelerated disability in multiple sclerosis.
  • The data argue against a shared primary trigger for atherosclerosis and MS, highlighting CSVD as a potential mediator.