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Related Experiment Video

Updated: Feb 11, 2026

Microsurgical Clip Obliteration of Middle Cerebral Aneurysm Using Intraoperative Flow Assessment
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Intraoperative Rupture Cerebral Aneurysm and Computational Flow Dynamics.

Ilya Senko1, Anton Shatokhin2, Ishu Bishnoi3

  • 1Department of Neurosurgery, Sklifosovsky Research Institute of Emergency Care, Moscow, Russia.

Asian Journal of Neurosurgery
|April 24, 2018
PubMed
Summary

Computational fluid dynamics (CFD) analysis can predict intraoperative aneurysmal rupture (IAR) risks. Preoperative planning using CFD aids surgeons in cautiously performing microsurgical dissections, improving patient outcomes.

Keywords:
Cerebral aneurysmcomputational fluid dynamicsintraoperative aneurysmal rupture

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Area of Science:

  • Neurosurgery
  • Medical Imaging
  • Biomechanical Engineering

Background:

  • Intraoperative aneurysmal rupture (IAR) is a significant complication in aneurysm surgery, associated with high morbidity and mortality.
  • Computational fluid dynamics (CFD) is increasingly utilized to analyze hemodynamic parameters within cerebral aneurysms.

Observation:

  • A case study involving a 40-year-old female with an anterior communicating artery aneurysm is presented.
  • CFD analysis revealed high intra-aneurysmal pressure and divergent wall shear stress (WSS) in the aneurysm dome.
  • The patient experienced two intraoperative ruptures during microsurgical dissection, managed successfully.

Findings:

  • CFD analysis accurately predicted potential rupture risks based on hemodynamic factors.
  • The study highlights the correlation between specific CFD-derived parameters and intraoperative complications.
  • Post-operative recovery was favorable, with the patient achieving a modified Rankin score of 1.

Implications:

  • Preoperative CFD analysis can enhance surgical planning for complex aneurysms.
  • Understanding aneurysm hemodynamics may guide surgeons to exercise greater caution during dissection.
  • Integrating CFD into surgical workflows could potentially reduce the incidence of IAR and improve patient safety.