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Patient characteristics and angiographic findings

Patient No.Age (y)/SexHunt and Hess GradeLocation of Fenestration/Size (mm) of Aneurysm at AngiographyBalloon RemodelingFollow-up (mo)Occlusion Rate
162/F3PBA/6Yes*35Total
255/M3PBA/8No71Total
335/FNAPBA/14Yes73Incomplete
436/F1PBA/5Yes11Total
550/FNAPBA/3Yes12Total
630/M2DBA/7Yes49Total (Regrowth)
741/FNADBA/6No14Total
834/M2PBA/5Yes10Total
938/F1PBA/6No12Total
10§18/F2PBA/5No24Total
  • Note.—PBA indicates proximal basilar artery; DBA, distal basilar artery; NA, not applicable.

  • * Balloon remodeling was used, with sacrifice of one loop.

  • Balloon remodeling was used at second embolization procedure 5 years later.

  • Balloon remodeling was used at closing down of the regrowing aneurysm.

  • § This patient had two aneurysms associated with fenestration.