Angiographic reconstructions of CT perfusion for occlusion detection in ischemic stroke.

Background: Both CT angiography and CT perfusion involve the administration and tracking of a contrast medium bolus for different purposes. In this study, we aim to compare the diagnostic accuracy and subjective image quality of CTP-angiographic reconstructions with conventional CTA for occlusion detection in ischemic stroke patients.

Methods: In this retrospective study, patients with a final diagnosis of ischemic stroke and who underwent both CTA and CTP from September 2020 up to and including September 2021 were included.

Additional value of CTP maps in occlusion detection on CTP angiographic reconstructions for ischemic stroke.

Background: CT perfusion angiographic reconstructions (CTP-AR), derived at the peak arterial inflow, have demonstrated similar diagnostic accuracy to CTA for occlusion detection in the anterior circulation. Colour-coded CTP maps may aid in localizing an occlusion. This study aim to assess the additional value of CTP maps for occlusion detection in ischemic stroke patients assessed with CTA or CTP-AR.

Comparison of clinical, technical, and safety outcomes between the Sofia 5Fr catheter vs. the Sofia 6Fr catheter; a MaSQ-Registry study.

Background: Direct aspiration during endovascular treatment (EVT) for acute ischemic stroke (AIS) patients is safe and effective. The 'Soft torqueable catheter Optimized For Intracranial Access' (Sofia) catheter is commonly used. Data on differences between 5Fr and 6Fr Sofia is limited.

Post-endovascular therapy contrast extravasation in the mesial temporal region on dual-energy CT is associated with outcome in acute ischemic stroke patients.

Purpose: Pre- and post-endovascular treatment (EVT) imaging may aid in predicting functional outcomes in acute middle cerebral artery (MCA) ischemic stroke. Low post-EVT contrast extravasation (CE)-ASPECTS is associated with poor functional outcomes. Besides the MCA regions included in the ASPECTS score, CE may be seen in the mesial temporal (MT) region.

Procedural blood pressure and contrast extravasation on dual energy computed tomography after endovascular stroke treatment.

Background: Blood brain barrier disruption (BBBD) can be visualized by contrast extravasation (CE) after endovascular treatment (EVT) in patients with acute ischemic stroke. Elevated blood pressure is a risk factor for BBBD. However, the association between procedural blood pressure and CE post-EVT is unknown.