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Related Experiment Video

Updated: Jan 31, 2026

Technical Detail for Robot Assisted Pancreaticoduodenectomy

Technical Detail for Robot Assisted Pancreaticoduodenectomy

Published on: September 28, 2019

A3-A3 Bypass Surgery for Aneurysm: Technical Nuances.

Florina-Nicoleta Grigore¹, Sepideh Amin-Hanjani¹

¹Department of Neurosurgery, University of Illinois at Chicago, Chicago, Illinois.

Operative Neurosurgery (Hagerstown, Md.)

|December 22, 2018

Summary

This summary is machine-generated.

This study details technical nuances for performing A3-A3 side-to-side cerebral bypass surgery. These insights aim to refine and simplify this complex procedure for treating challenging anterior communicating artery aneurysms.

Keywords:

Aneurysm Bypass Craniotomy Side-to-Side Temporary clip

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Microvascular Decompression: Salient Surgical Principles and Technical Nuances

Microvascular Decompression: Salient Surgical Principles and Technical Nuances

Published on: July 5, 2011

Area of Science:

Neurosurgery
Cerebrovascular Surgery
Microsurgery

Background:

Cerebral bypass is crucial for complex aneurysms (dissecting, giant, fusiform) unsuitable for endovascular or simple clipping.
Distal anterior cerebral artery (ACA) A3-A3 side-to-side bypass is a key option for anterior communicating artery complex aneurysms.
Distal ACA in situ anastomosis presents technical challenges due to the narrow interhemispheric corridor and anastomosis type.

Purpose of the Study:

To illustrate the technical nuances of A3-A3 side-to-side in situ bypass surgery.
To provide case examples and operative videos for demonstration.
To highlight evolved techniques for improved surgical outcomes.

Main Methods:

Review of clinical cases, imaging, and video recordings of A3-A3 bypass procedures.
Collating evolved techniques in patient positioning, surgical approach, and anastomosis.
Contrasting technical elements with existing literature.

Main Results:

Detailed review of nuances in patient positioning, craniotomy selection, and intraoperative tools.
Exploration of microsurgical nuances specific to the side-to-side bypass.
Presentation of three illustrative operative video cases with accompanying illustrations.

Conclusions:

A3-A3 bypass is technically demanding with limited case volumes.
Provided technical tips can enhance refinement and simplicity of the procedure.
These insights aim to improve the surgical management of complex ACA aneurysms.