Publications by authors named "O Tone"
Article Synopsis
- The study aimed to determine how the location of brain infarcts, measured by the posterior circulation Alberta Stroke Program Early Computed Tomographic Score (pc-ASPECTS), affects patient outcomes after endovascular therapy for basilar artery occlusion.
- Among 100 participants, 51% achieved favorable outcomes, with younger age, lower pre-treatment stroke severity, and higher pc-ASPECTS scores linked to better recovery.
- The research concluded that higher pc-ASPECTS scores are predictive of better outcomes, while bilateral cerebellar infarction is associated with poorer recovery chances.
A 60-year-old woman, who experienced progressive right visual loss, was diagnosed with an unruptured large cerebral aneurysm. Magnetic resonance imaging (MRI) and angiography revealed a large partially thrombosed anterior communicating artery (Acom) aneurysm. The aneurysmal neck was located at the junction of the left A1-A2 segments, and the aneurysmal dome communicated with the right A1-A2 junction by the Acom.
View Article and Find Full Text PDFA 57-year-old woman who presented with a sudden severe headache and subsequently diagnosed with a subarachnoid hemorrhage was referred to our hospital. CTA revealed a large irregularly shaped dissecting aneurysm of the right vertebral artery (VA) and a small round distal aneurysm of the right posterior inferior cerebellar artery (PICA), which originated just proximal to the VA aneurysm. We diagnosed the VA aneurysm as a ruptured aneurysm and performed endovascular treatment the day the patient was hospitalized.
View Article and Find Full Text PDFA 57-year-old woman with a wide-necked anterior communicating artery (Acom) aneurysm underwent stent-assisted coiling (SAC) due to aneurysm enlargement. Dual antiplatelet therapy was initiated 7 days before the operation, and systemic heparinization was performed while maintaining an activated clotting time (ACT) of approximately 300 s during the procedure. SAC was performed using a laser-cut closed-cell stent and bare platinum coils.
View Article and Find Full Text PDFObjective: To report a case of an acutely ruptured vertebral artery dissecting aneurysm (VADA) with a hypoplastic contralateral vertebral artery (VA) successfully treated with internal trapping following the estimation of the collateral flow from anterior circulation.
Case Presentation: A 46-year-old woman was diagnosed with subarachnoid hemorrhage and acute hydrocephalus. Ventriculostomy was performed under general anesthesia.