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Advances in open microsurgery for cerebral aneurysms.

Jason M Davies¹, Michael T Lawton

¹Department of Neurological Surgery, University of California, San Francisco, San Francisco, California.

|January 10, 2014

Summary

Open microsurgery for brain aneurysms is advancing with minimally invasive techniques and intracranial bypasses. These innovations make microsurgery a competitive option for complex and recurrent aneurysms, improving patient outcomes.

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Microsurgical Clip Obliteration of Middle Cerebral Aneurysm Using Intraoperative Flow Assessment

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Published on: September 25, 2009

Area of Science:

Neurosurgery
Cerebrovascular Surgery
Microsurgery

Background:

Endovascular techniques have driven changes in aneurysm surgery.
Open microsurgery offers a less invasive, lower-risk, and effective alternative for complex aneurysms, especially those unsuitable for endovascular treatment.

Purpose of the Study:

To review advancements in open microsurgery for treating brain aneurysms.

Main Methods:

Review of a university-based, single-surgeon practice.
Analysis of minimally invasive craniotomies (mini-pterional, lateral supraorbital, orbital-pterional).
Evaluation of managing recurrent aneurysms post-coiling.
Assessment of intracranial-intracranial bypass techniques.
Examination of cerebrovascular volume-outcome relationships.

Main Results:

Minimally invasive craniotomies are increasingly utilized for unruptured aneurysms.
Direct clip occlusion and bypass techniques are effective for recurrent aneurysms.
Intracranial bypasses enhance management of giant and complex posterior inferior cerebellar artery aneurysms.
Centralization of surgery improves outcomes for clipping procedures.

Conclusions:

Microsurgery for aneurysms is adopting minimalist approaches with tailored craniotomies.
Intracranial bypasses represent a significant advancement, making microsurgery competitive for complex and recurrent cases.
Centralizing aneurysm surgery in specialized centers optimizes results.