Types of stent retrievers used in mechanical thrombectomy for acute ischaemic stroke: A scoping review.

Mechanical thrombectomy using stent retrievers is the standard endovascular treatment for acute ischaemic stroke due to large vessel occlusion. With the rapid evolution in device design, this scoping review aims to map the current landscape of stent retriever types used in clinical practice, as well as their application across different sites of vessel occlusion. A comprehensive literature search was conducted using MEDLINE, Embase, and the Cochrane Central Register of Controlled Trials to identify primary studies reporting on the safety and efficacy of stent retrievers in mechanical thrombectomy for acute stroke.

Nationwide multicenter experience of contrast-induced encephalopathy following neurointervention: clinical course and outcomes.

Background: Contrast-induced encephalopathy (CIE) is an increasingly observed complication following neurointervention, but remains poorly defined with limited evidence for clinical decision-making. We sought to characterize the stereotypical clinical features of CIE in a nationwide, multicenter cohort.

Methods: A multicenter cohort study was conducted between 10 neurovascular sites across Australia.

The Australian Diagnostic Criteria for Contrast-Induced Encephalopathy.

Introduction: Contrast-induced encephalopathy (CIE) is a recognised complication of contrast administration, however diagnosis remains challenging due to its symptom overlap with other neurological conditions and the absence of formal diagnostic criteria.

Methods: A modified Delphi study was performed. Consultant physicians with active clinical experience with CIE patients were invited from neurovascular centres in Australia.

Seven years of CRAFT: Clinical results of a multicenter cohort of carotid artery relining with the CASPER RX stent.

Background And Purpose: Carotid artery stenting (CAS) is an established treatment for carotid stenosis or occlusion. Use of the dual-layer microporous CASPER RX stent has had mixed results in prior reports. The CaRotid Artery Filtering Technique (CRAFT) uses the distal end of the CASPER stent as an embolic protection device during deployment.

The "CUPCAKE" technique (coiled underlying pseudoaneurysm contained by a woven endobridge device) for treating intracranial aneurysms with atypical morphology.

Background: Intrasaccular flow diversion using the woven endobridge device (WEB; MicroVention, Aliso Viejo, CA, USA) for the treatment of intracranial aneurysms has demonstrated large scale safety and efficacy. However, limitations arise from its structural configuration, restricting its application to specific aneurysm sizes and shapes.

Technique Overview: We introduce the CUPCAKE technique, a combination of conventional coiling followed by WEB intrasaccular flow disruption in select cases of atypical aneurysms with technically challenging morphology not typically treatable by WEB alone.

Occult contrast retention post-thrombectomy on 24-h follow-up dual-energy CT: Associations and impact on imaging analysis.

Background: Following reperfusion treatment in ischemic stroke, computed tomography (CT) imaging at 24 h is widely used to assess radiological outcomes. Even without visible hyperattenuation, occult angiographic contrast may persist in the brain and confound Hounsfield unit-based imaging metrics, such as net water uptake (NWU).

Aims: We aimed to assess the presence and factors associated with retained contrast post-thrombectomy on 24-h imaging using dual-energy CT (DECT), and its impact on the accuracy of NWU as a measure of cerebral edema.

Necessity of performing a routine chest radiograph following the insertion of tunnelled Hickman catheter under imaging guidance: A single centre experience.

Introduction: A chest radiograph has traditionally been performed following the insertion of a tunnelled Hickman catheter to immediately exclude rare but potentially serious complications such as pneumothorax and haemothorax and confirm appropriate positioning of the catheter tip. The value of completing the routine chest radiograph has been questioned when fluoroscopic image may be easily obtained in the angiography suite for the same purpose, and the rate of iatrogenic pneumothorax remains extremely low in the Medical literature. We describe our experience of performing Hickman catheter insertion under ultrasound and fluoroscopic guidance and whether routinely performing the chest radiograph is justifiable.

Fat fraction quantification of bone marrow in the lumbar spine using the LiverLab assessment tool in healthy adult volunteers and patients with Gaucher disease.

Background: Magnetic Resonance Imaging is used for evaluation of bone in Gaucher disease (GD), but a widely available quantitative scoring method remains elusive.

Aims: The study purpose was to assess the reproducibility of the LiverLab tool for assessing bone marrow fat fraction (FF) and determine whether it could differentiate GD patients from healthy subjects.

Methods: Ten healthy volunteers and 18 GD patients were prospectively recruited.

Indirect Lung Absorbed Dose Verification by Y PET/CT and Complete Lung Protection by Hepatic Vein Balloon Occlusion: Proof of Concept.

Postradioembolization lung absorbed dose verification was historically problematic and impractical in clinical practice. We devised an indirect method using Y PET/CT. Conceptually, true lung activity is simply the difference between the total prepared activity minus all activity below the diaphragm and residual activity within delivery apparatus.

Learning Curve for Robot-Assisted Percutaneous Pedicle Screw Placement in Thoracolumbar Surgery.

Study Design: Retrospective review of an initial cohort of consecutive patients undergoing robot-assisted pedicle screw placement.

Purpose: We aimed to evaluate the learning curve, if any, of this new technology over the course of our experience.

Overview Of Literature: Percutaneous pedicle screws have specific advantages over open freehand screws.

The role and safety of the sitting position in instrumented cervical surgery.

Placing patients who are undergoing neurosurgical procedures to the cervical spine in the sitting position offers significant advantages. These must be counterbalanced against the risk of venous and paradoxical air embolism. This study addresses the role and safety of the sitting position for instrumented cervical surgery.

Primary angiitis of the central nervous system presenting as a mass lesion.

We report a 51-year-old Asian man with primary angiitis of the central nervous system (PACNS) with atypical presentation as a mass lesion. PACNS is an uncommon condition causing inflammation and destruction of the blood vessels of the central nervous system. The aetiology is unclear and multiple mechanisms have been proposed.