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Angiographic outcome after endovascular therapy for anterior communicating artery aneurysms: correlation with vascular morphological features

Japanese Journal of Radiology volume 30, pages 624–627 (2012)Cite this article

Abstract

Purpose

The purpose of this study is to analyze the effect of morphological features on angiography after endovascular embolization for anterior communicating artery (AcoA) aneurysms.

Materials and methods

We conducted a retrospective case review of 32 consecutive patients (19 males and 13 females) with AcoA aneurysms treated by endovascular coil embolization between February 2003 and August 2011. Mean age was 61 years (range 36–90 years). Twenty-eight aneurysms were ruptured and 4 were unruptured. We evaluated morphological features included direction of the dome, dome size, dome to neck ratio, presence of irregularity, and angle between A1 segment of the anterior cerebral artery and C1 segment of the internal carotid artery. Immediate angiographic results (complete or incomplete occlusion) and the occurrence of procedural complications (aneurysmal rupture and thromboembolic events) were correlated with morphological features. Fisher’s exact test was used for statistical analysis.

Results

A single factor significantly associated with incomplete occlusion was superior dome direction (p = 0.037). Other morphological features did not correlate with angiographical results. There was no correlation between morphological features and procedural complications.

Conclusion

Incomplete occlusion after coil embolization for AcoA aneurysms is more common in cases of superior dome direction.

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Author information

Affiliations

  1. Department of Radiology, St. Luke’s International Hospital, 9-1 Akashi-cho, Chuo-ku, Tokyo, 104-8560, Japan

    Akihiro Uemura & Minobu Kamo

  2. Department of Neurosurgery, St. Luke’s International Hospital, 9-1 Akashi-cho, Chuo-ku, Tokyo, 104-8560, Japan

    Hidetoshi Matsukawa

Authors
  1. Akihiro Uemura
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  2. Minobu Kamo
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  3. Hidetoshi Matsukawa
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Correspondence to Akihiro Uemura.

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Uemura, A., Kamo, M. & Matsukawa, H. Angiographic outcome after endovascular therapy for anterior communicating artery aneurysms: correlation with vascular morphological features. Jpn J Radiol 30, 624–627 (2012). https://doi.org/10.1007/s11604-012-0099-y

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  • DOI: https://doi.org/10.1007/s11604-012-0099-y

Keywords

  • Endovascular therapy
  • Aneurysms
  • Anterior communicating artery
  • Angiography
  • Morphology