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Related Experiment Videos

Angioscopy-assisted aneurysm clipping.

G Lanzino1, L Miskolczi, L R Guterman

  • 1Department of Neurosurgery and Toshiba Stroke Research Center, School of Medicine and Biomedical Sciences, University at Buffalo, State University of New York, 14209-1194, USA.

Neurosurgery
|September 24, 1999
PubMed
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Endovascular angioscopy offers real-time, internal views during surgical clipping of intracranial aneurysms. This technique can help surgeons assess clip placement and prevent complications like parent artery compromise.

Area of Science:

  • Neurosurgery
  • Vascular Surgery
  • Medical Imaging

Background:

  • Surgical clipping is the gold standard for intracranial aneurysms.
  • Complications include perforator occlusion, parent artery compromise, and residual aneurysm.
  • A need exists for improved intraoperative visualization during clipping.

Purpose of the Study:

  • To evaluate endovascular angioscopy as an adjunct to surgical intracranial aneurysm clipping.
  • To determine if endoluminal visualization can improve assessment of aneurysm clipping.

Main Methods:

  • A canine model with a surgically created carotid bifurcation aneurysm was used.
  • Endovascular angioscopy was performed after proximal flow occlusion.
  • Clip placement was assessed via angioscopy, with correlation to actual clip position.

Related Experiment Videos

Main Results:

  • Angioscopy provided clear visualization of aneurysm neck occlusion and parent vessel status.
  • Details such as aneurysm neck configuration and thrombus presence were depicted.
  • Transillumination of external structures was also achieved.

Conclusions:

  • Endovascular angioscopy offers real-time endoluminal visualization of the aneurysm-parent vessel complex.
  • This technique has the potential to reduce complications associated with surgical clipping.
  • Angioscopy may become a valuable tool for neurosurgeons during aneurysm clipping procedures.