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Background <p>Common carotid artery (CCA) occlusion frequently results in compromised hemodynamics of the ipsilateral hemisphere with risk of infarction but also a lack of blood flow in the ipsilateral superficial temporal artery (STA), requiring a more complex revascularization strategy than a standard extracranial-intracranial (EC-IC) bypass when indicated.</p> Method <p>We describe the performance of a “Bonnet bypass” using a radial artery interposition graft (RAIG) from the contralateral STA to the ipsilateral middle cerebral artery (MCA). A groove is drilled in the skullcap to position the RAIG and reduce risk of mobilization and compression.</p> Conclusion <p>The “Bonnet bypass” enables a revascularization procedure when the ipsilateral STA is not available as donor vessel.</p>

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“Bonnet bypass” using a radial artery interposition graft—how I do it

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年10月31日

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  • Rajiv K. Khajuria,
  • Milad Neyazi,
  • Katharina Faust,
  • Sajjad Muhammad

摘要

Background

Common carotid artery (CCA) occlusion frequently results in compromised hemodynamics of the ipsilateral hemisphere with risk of infarction but also a lack of blood flow in the ipsilateral superficial temporal artery (STA), requiring a more complex revascularization strategy than a standard extracranial-intracranial (EC-IC) bypass when indicated.

Method

We describe the performance of a “Bonnet bypass” using a radial artery interposition graft (RAIG) from the contralateral STA to the ipsilateral middle cerebral artery (MCA). A groove is drilled in the skullcap to position the RAIG and reduce risk of mobilization and compression.

Conclusion

The “Bonnet bypass” enables a revascularization procedure when the ipsilateral STA is not available as donor vessel.