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Nationwide surveillance of IC anterior (or dorsal) wall aneurysm: with special reference to its dissecting nature

  • Akira SatohEmail author
  • T. Sugiyama
  • K. Hongo
  • Y. Kakizawa
  • S. Ishihara
  • M. Matsutani
Part of the Acta Neurochirurgica Supplements book series (NEUROCHIRURGICA, volume 103)

Abstract

Two hundred and twenty-one cases of IC dorsal aneurysm (ICDA) with subarachnoid hemorrhage (SAH) from 365 cases in the nationwide surveillance of ICDA (NSICDA) data bank were studied with special reference to the dissecting type. Dissection of the internal carotid artery (ICA) was confirmed in 50 out of 221 SAH cases. In 193 surgically treated cases, 40 were of the certified dissecting type. Including those with clinical features which strongly suggests the existence of dissecting changes in the ICA wall, 97 cases (55.6% of operated) were thought to be a dissecting type. Incidence of intraoperative bleeding is significantly higher and surgical outcome is significantly worse in the dissecting type than in the non-dissecting type. Treatment options for this peculiar and formidable aneurysm (An) are described.

Keywords

IC dorsal aneurysm arterial dissection nationwide surveillance 

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Copyright information

© Springer-Verlag 2008

Authors and Affiliations

  • Akira Satoh
    • 1
    Email author
  • T. Sugiyama
    • 1
  • K. Hongo
    • 2
  • Y. Kakizawa
    • 2
  • S. Ishihara
    • 1
  • M. Matsutani
    • 1
  1. 1.Department of Neurosurgery, Faculty of MedicineSaitama Medical UniversitySaitamaJapan
  2. 2.Department of Neurosurgery, School of MedicineShinsyu UniversityMatsumotoJapan

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