Publications by authors named "N Hirotsune"

Article Synopsis
  • Intracranial pseudoaneurysm is a rare condition that can change shape, making treatment decisions complex based on each unique situation.
  • A 43-year-old woman suffered a cardiopulmonary arrest due to a subarachnoid hemorrhage, revealing a dynamic middle cerebral artery-lenticulostriate artery bifurcation aneurysm suspected to be a pseudoaneurysm.
  • Initial treatment involved coil embolization, which required follow-up procedures due to recanalization, but ultimately led to successful obliteration and rehabilitation of her symptoms.
View Article and Find Full Text PDF
Article Synopsis
  • Neuroendovascular therapy via distal/trans-radial artery access (d/TRA) offers a less invasive option for procedures like carotid artery stenting (CAS) and mechanical thrombectomy (MT) for acute ischemic strokes (AIS).* -
  • A comparison of patient outcomes over two periods demonstrated that while the second group included more severe cases, the rates of postoperative complications or effectiveness were similar between d/TRA and traditional trans-femoral access (TFA) methods.* -
  • The use of d/TRA was particularly effective in avoiding puncture site complications (PSCs) and managing patients with cognitive decline, ensuring safety and outcomes were consistent with established techniques.*
View Article and Find Full Text PDF

A 48-year-old man with no history of diagnosis with any abnormality was admitted to our hospital 43 min after onset of stroke. He had a right conjugate deviation and severe left hemiparesis, and his initial National Institutes of Health Stroke Scale (NIHSS) score was 13. Computed tomography (CT) of the head revealed no early ischemic changes, while CT angiography showed occlusion of the M1 proximal segment of the right middle cerebral artery.

View Article and Find Full Text PDF
Article Synopsis
  • Failure to retrieve a distal filter-based embolic protection device (EPD) during carotid artery stenting can occur if the device gets trapped, requiring careful monitoring of the space between the stent and EPD.* -
  • The study tested different combinations of stents and EPDs to see how often they got stuck, with four physicians rating the force needed for entrapment on a 5-point scale.* -
  • The Casper stent-Spider FX EPD was found to be particularly difficult to disengage if trapped, highlighting the importance of understanding device features to avoid serious complications.*
View Article and Find Full Text PDF

Background: Although secondary normal pressure hydrocephalus (sNPH) can occur in various central nervous system diseases, there are no reports of sNPH caused by pituitary lesions. Herein, we present a unique case of sNPH caused by pituitary apoplexy.

Case Description: A 70-year-old man was transferred to our hospital because of a sudden onset of headache and loss of consciousness.

View Article and Find Full Text PDF