Departmental Bulletin Paper Alpha horizontal stent delivery for coil embolization of a broad-necked large basilar apex aneurysm: a case report

Ohshima, Tomotaka  ,  Nagakura, Masamune  ,  Nishizawa, Toshihisa  ,  Kato, Kyozo

77 ( 4 )  , pp.659 - 665 , 2015-11 , Nagoya University Graduate School of Medicine, School of Medicine
Here we describe a novel technique for single stent horizontal reconstruction and coil embolization for a broad-necked large basilar artery (BA) apex aneurysm. A previously healthy 77-year-old woman presented with a broad-necked large BA apex aneurysm. Due to difficulty accessing the right posterior cerebral artery (PCA), we abandoned the Y-stent technique. Instead, we decided to navigate the stent through the BA to the left PCA making a loop of the stent delivery catheter inside the aneurysm in an “alpha” fashion. The procedure outcome was excellent without any complications. Alpha horizontal stent delivery via an antegrade approach for coil embolization of broad-necked large BA apex aneurysms may provide an effective therapeutic alternative, if other techniques are not feasible.

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