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Related Concept Videos

Imaging Studies VII: Vascular Imaging01:19

Imaging Studies VII: Vascular Imaging

247
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...
247

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Related Experiment Video

Updated: Dec 31, 2025

Microvascular Embolism Mouse Model for In Vivo Two-photon Microscopy Using Fluorescent Polystyrene Microspheres
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Initial Experience With the Microvascular Plug in Selective Renal Artery Embolization.

Thomas Jardinet1, Lawrence Bonne1, Raymond Oyen1

  • 1Department of Radiology, University Hospitals Leuven, Leuven, Belgium.

Vascular and Endovascular Surgery
|January 14, 2020
PubMed
Summary

The microvascular plug (MVP) is a safe and effective device for selective renal artery embolization, achieving successful outcomes in all patients with minimal infarction. This embolic agent offers potential cost and time savings.

Keywords:
embolizationhemorrhageinterventional treatmentplugrenal injuryvascular

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Area of Science:

  • Interventional Radiology
  • Vascular Surgery
  • Nephrology

Background:

  • Selective renal artery embolization is crucial for managing various renal vascular pathologies.
  • The microvascular plug (MVP) is a novel embolic device designed for precise vascular occlusion.

Observation:

  • A retrospective review of 6 patients undergoing renal artery embolization with MVP was conducted.
  • Indications included iatrogenic injuries, trauma, and angiomyolipoma treatment in native kidneys and allografts.
  • Technical success was achieved in all cases, with minimal renal infarction (<5% of renal volume).

Findings:

  • The MVP achieved immediate arterial occlusion in most cases, with additional embolics used in two instances.
  • No procedure-related complications were reported.
  • The MVP demonstrated safety and efficacy in superselective renal artery embolization.

Implications:

  • The MVP is a valuable embolic agent for superselective renal artery embolization.
  • A single MVP device may suffice in many cases, potentially reducing procedure costs, duration, and radiation exposure.
  • Further research may validate MVP's role in a broader range of renal vascular interventions.