Angiographic classification of chronic subdural hematoma

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Josef Michael Kupka1,2, Patrick Thurner1,2, Tilman Schubert1,2

  • 1Department of Neuroradiology, University Hospital Zürich, Zürich, Switzerland.

Ideggyogyaszati Szemle
|June 3, 2024
PubMed

Insights

This study categorizes chronic subdural hematoma (cSDH) angiographic patterns to improve treatment. A new grading system for dural supply may help predict outcomes and guide future research.

Area of Science:

  • Neuroradiology
  • Interventional Radiology
  • Neurosurgery

Background:

  • Chronic subdural hematoma (cSDH) presents a significant clinical challenge due to high recurrence rates post-surgery.
  • Angiogenesis and membrane formation are key in cSDH evolution, making them potential targets for endovascular therapy.

Purpose of the Study:

  • To establish a standardized angiographic classification system for chronic subdural hematoma.
  • To correlate angiographic findings with disease pathophysiology and potential treatment outcomes.

Main Methods:

  • Retrospective analysis of prospective data from 17 high-recurrence risk cSDH patients treated with embolization.
  • Superselective angiography of the middle meningeal artery (MMA) in AP and lateral views.

Main Results:

  • A three-grade classification system for dural supply patterns was defined: Grade I (normal), Grade II (cottonwool appearance), and Grade III (enhanced cottonwool staining with MMA remodeling).
  • The grading system reflects the pathophysiological progression of cSDH.

Conclusions:

  • The proposed angiographic grading system for cSDH offers a method for standardized reporting.
  • This classification may aid in correlating imaging findings with therapeutic success and guide future clinical studies.
Abstract

Keywords:
chronic subdural hematomacotton-wool enhancementembolizationendovascular therapymiddle meningeal artery

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