Journal of Korean Neurosurgical Society

The Korean Neurosurgical Society (대한신경외과학회)
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Long-Term Outcomes of Placement of a Single Transverse Stent through the Anterior Communicating Artery via the Nondominant A1 in Coil Embolization of Wide-Necked Anterior Communicating Artery Aneurysms

  • Ban, Seung Pil (Department of Neurosurgery, Seoul National University Bundang Hospital) ;
  • Kwon, O-Ki (Department of Neurosurgery, Seoul National University Bundang Hospital) ;
  • Kim, Young Deok (Department of Neurosurgery, Seoul National University Bundang Hospital)
  • Received : 2021.07.23
  • Accepted : 2021.10.15
  • Published : 2022.01.01
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Abstract

Objective : Placement of a single transverse stent via the nondominant A1 across the anterior communicating artery (AComA) into the contralateral A2 can provide sufficient neck coverage for wide-necked bifurcation AComA aneurysms. The authors described the feasibility, safety and long-term outcomes of this technique. Methods : Between January 2015 and February 2018, placement of a single transverse stent via the nondominant A1 was attempted in 17 wide-necked bifurcation AComA aneurysms. The authors reviewed the medical records and radiological studies. Results : The technical success rate was 94.1% (16/17). Periprocedural thromboembolic complications occurred in one patient (6.3%) without permanent neurological deficits. The mean clinical follow-up duration was 39.9±9.8 months. No deaths or delayed thromboembolic complications occurred. The mean angiographic follow-up duration was 38.9±9.8 months. The immediate and final follow-up complete occlusion rates were 87.4 and 93.7%, respectively. There was no recanalization during the follow-up period. Conclusion : Placement of a single transverse stent via the nondominant A1 across the AComA into the contralateral A2 is a feasible and relatively safe endovascular technique for the treatment of wide-necked bifurcation AComA aneurysms, with good long-term occlusion rates and a reasonable complication rate, if only the nondominant A1 is applicable.

Keywords

Acknowledgement

This study is supported by a fund from Seoul National University Bundang Hospital (06-2013-087).

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