Wrap-clipping with a Dacron mesh silastic sheet. Technical note

Area of Science:

• Neurosurgery
• Vascular Neurology
• Biomaterials in Medicine

Background:

• Fusiform and broad-based cerebral aneurysms present unique treatment challenges.
• Traditional surgical clipping or endovascular methods may carry significant risks for these complex lesions.

Purpose of the Study:

• To describe a new wrap-clipping technique for treating fusiform or broad-based cerebral aneurysms.
• To highlight the advantages of this technique in minimizing risks associated with aneurysm treatment.

Main Methods:

• A Silastic sheet coated with Dacron mesh is utilized for wrapping the aneurysm and parent artery.
• The semitransparent sheet allows for intraoperative adjustment of the parent artery caliber.
• Aneurysm clips are applied over the wrapped sheet, securing the aneurysm base between the sheet's leaves.

Main Results:

• The technique allows for precise tailoring of the wrap to the aneurysm's base.
• It effectively avoids involvement of cranial nerves and branching vessels.
• The Dacron mesh and clip pressure prevent clip blade slippage.

Conclusions:

• This wrap-clipping method offers a safe and effective approach for complex cerebral aneurysms.
• It mitigates risks associated with dissecting the aneurysm from the parent artery.
• The technique provides good visualization and adjustability during the procedure.