BACKGROUND: Morphological factors contribute to the hemodynamics of the middle cerebral artery (MCA).
BACKGROUND: Myocardial wall motion abnormalities (WMAs) are independent risk factors for a poor outcome in patients with aneurysmal subarachnoid hemorrhage (aSAH).
BACKGROUND: Oculomotor nerve palsy (ONP) is a common symptom of posterior communicating artery aneurysms (PcomAAs). Surgical clipping and endovascular embolization are used to treat PcomAAs with ONP.
BACKGROUND: The importance of underlying atherosclerotic intracranial artery stenosis (ICAS) in hyperacute stroke patients who receive endovascular therapy remains unknown.
Intracerebral hemorrhage (ICH) is associated with a significant risk of neurological deterioration (ND).1-3 It is estimated that ND can occur in up to 33% of patients with ICH. Large-volume hematomas (>45 mL), hematoma expansion, hypertension, and spot sign on computed tomography (CT) are significant risk factors for developing ND.
BACKGROUND: Although rare, de novo intracranial aneurysms (DNIAs) may develop in patients with a history of intracranial aneurysms (IAs).
BACKGROUND: Contralateral aneurysm clipping can be applied to bilateral intracranial aneurysms of the anterior circulation and to selected aneurysms on the medial wall of the internal carotid artery (ICA).
BACKGROUND: Treatment of wide-necked internal carotid artery aneurysms is frequently associated with incomplete occlusion and high recurrence rates. Furthermore, platinum coils cause strong beam-hardening artifacts, hampering subsequent image analyses.
BACKGROUND: There is an increasing tendency to treat spinal dural arteriovenous fistulas (SDAVFs) endovascularly despite the lack of clear evidence favoring embolization over surgery.
BACKGROUND: Carotid blowout syndrome (CBS) is a life-threatening emergency resulting from compromise of the carotid artery caused by malignancy in the head and neck.
BACKGROUND: With increasing use of endovascular techniques in the treatment of ruptured and unruptured aneurysms, the issue of obliteration efficacy has become increasingly important. We have previously reported the Aneurysm Recanalization Stratification Scale, which uses accessible predictors including aneurysm-specific factors (size, rupture, and intraluminal thrombosis) and treatment-related features (treatment modality and immediate angiographic result) to predict retreatment risk after endovascular therapy.
BACKGROUND: Although a transvenous route via the ipsilateral inferior petrosal sinus (IPS) is preferred in treating cavernous sinus dural arteriovenous fistula (CSdAVF), this option may be limited if an occluded ipsilateral IPS undermines microcatheter delivery to the cavernous sinus.
BACKGROUND: The availability of stents has widened the indications of endovascular intervention for cerebral aneurysms.
BACKGROUND: Stent-assisted coiling has been used in both unruptured and ruptured aneurysms, but the safety and efficacy still remain controversial.
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