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Simulator Training for Endovascular Neurosurgery
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Bypass in neurosurgery-indications and techniques.

L Wessels1, N Hecht2, P Vajkoczy2

  • 1Department of Neurosurgery and Center for Stroke Research Berlin (CSB), Charité-Universitätsmedizin Berlin, Charitéplatz 1, 10117, Berlin, Germany. Lars.Wessels@charite.de.

Neurosurgical Review
|March 15, 2018
PubMed
Summary

Cerebral bypass surgery, or direct revascularization, is crucial for preventing ischemic stroke. This review covers indications and techniques for bypass surgery, despite limited randomized controlled trials (RCTs).

Keywords:
COSSChronic cerebral ischemiaComplex cerbral aneurysmExtra-intracranial bypassRevascularisation

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Area of Science:

  • Neurosurgery
  • Vascular Surgery
  • Neurology

Background:

  • Direct cerebral revascularization, including bypass surgery, has a long history since 1967.
  • Despite extensive literature, only three randomized controlled trials (RCTs) exist for extracranial to intracranial bypass surgery.
  • Bypass surgery is indicated for flow augmentation in stroke prevention and flow replacement in complex aneurysm or skull base tumor treatments.

Purpose of the Study:

  • To provide a comprehensive literature review on cerebral bypass surgery.
  • To detail the indications for cerebral bypass procedures.
  • To outline the techniques employed in cerebral bypass surgery for preventing cerebral ischemia.

Main Methods:

  • Comprehensive literature review of studies on cerebral bypass surgery.
  • Analysis of indications for bypass surgery, including flow augmentation and replacement.
  • Examination of surgical techniques for direct cerebral revascularization.

Main Results:

  • Limited number of randomized controlled trials (RCTs) available for extracranial to intracranial bypass surgery.
  • Established indications for bypass surgery include stroke prevention and treatment of complex vascular lesions.
  • Various techniques exist for direct cerebral revascularization.

Conclusions:

  • Cerebral bypass surgery remains a vital procedure for preventing cerebral ischemia.
  • Further high-quality randomized controlled trials are needed to solidify evidence for specific bypass techniques.
  • Understanding indications and techniques is crucial for optimizing patient outcomes in cerebrovascular disease.