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Related Concept Videos

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...

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Related Experiment Video

Updated: Jun 16, 2026

Author Spotlight: Segmentation and VR for Advanced Neurovascular Interventions
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Direct 3D rotational venography: Insights in optimizing visualization.

Oleg Shekhtman1, Georgios S Sioutas1, Sneha Sai Mannam1

  • 1Department of Neurosurgery, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA.

Interventional Neuroradiology : Journal of Peritherapeutic Neuroradiology, Surgical Procedures and Related Neurosciences
|March 21, 2025
PubMed
Summary
This summary is machine-generated.

Three-dimensional rotational venography (3D-RV) accurately evaluates venous anatomy in idiopathic intracranial hypertension (IIH) patients. This safe and reliable procedure enhances diagnostic capabilities without significantly increasing procedure time or radiation exposure.

Keywords:
3D venographyangiographyidiopathic intracranial hypertensionnavigationstenosis

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Area of Science:

  • Medical Imaging
  • Interventional Radiology
  • Neurology

Background:

  • Idiopathic intracranial hypertension (IIH) is a condition characterized by elevated intracranial pressure of unknown cause.
  • Accurate venous anatomy assessment is crucial for diagnosing and managing IIH.
  • Traditional imaging modalities may have limitations in visualizing complex venous structures.

Purpose of the Study:

  • To evaluate the utility and safety of direct three-dimensional rotational venography (3D-RV) in patients with IIH.
  • To assess the impact of 3D-RV on diagnostic accuracy for venous pathologies in IIH.
  • To analyze the procedural metrics, including radiation dose and procedure time, associated with 3D-RV in this patient cohort.

Main Methods:

  • A single-center retrospective case series of 13 patients with IIH who underwent direct 3D-RV.
  • Vascular access was established via guide catheters in the internal jugular vein and microcatheters advanced into the superior sagittal sinus.
  • Descriptive analysis of demographic data, procedural details, and radiation metrics (fluoroscopy time, contrast dose, DAP, air kerma).

Main Results:

  • Sixteen 3D-RV procedures were performed, with a mean patient age of 42.06 years (10 females, 3 males).
  • Mean fluoroscopy time was 42.0 min, contrast dose 92.2 mL, DAP 18.6 Gy·cm², and air kerma 1.3 Gy.
  • The 3D-RV procedure added a small percentage to the overall radiation dose (6.26% to DAP, 10.59% to air kerma) without significant impact on procedure time.

Conclusions:

  • Direct 3D-RV is a reliable and safe imaging technique for evaluating venous anatomy in patients with IIH.
  • The procedure offers improved accuracy in assessing venous structures and potential stenting needs.
  • 3D-RV provides valuable diagnostic information without substantially increasing procedural complexity or radiation burden.