Stroke

Cardiovascular departments are playing a role in stroke interventions at numerous health systems, working as part of the stroke care team with neurologists, radiology and the emergency department. Stroke first has be be classified as ischemic or hemorrhagic. These have very different care pathways. Ischemic strokes are increasingly being treated with neurological-interventional therapy that includes catheter based mechanical thrombectomy to remove the clot. This is a more aggressive treatment compared to traditional IV administration of tissue plasminogen activator (tPA) thrombolytic therapy to dissolve the clot. Subarachnoid hemorrhage (SAH) and  intracerebral hemorrhage (ICH) brain bleeds can also be treated in some cases stent flow diverters and embolization coils. 

Avicenna.AI, a French artificial intelligence (AI) startup co-founded by a radiologist, has received U.S. Food and Drug Administration (FDA) clearance for two new offerings designed to automatically identify cardiovascular findings in CT scans, CINA-iPE and CINA-ASPECTS.

Radiology AI company gains FDA clearance for new CT offerings focused on PE, stroke

The newly approved AI models are designed to improve the detection of pulmonary embolisms and strokes in patients who undergo CT scans.

Micro-X mobile CT scanner

Mobile CT stroke detector passes VR simulation, set for field trials

The foldable unit weighs less than 154 pounds and can fit into an ambulance.

artificial intelligence robot evaluates healthcare data

FDA clears advanced AI model for detecting, quantifying bleeding strokes

The new algorithm from Viz.ai is capable of identifying, labeling and quantifying brain bleeds in noncontrast CT images.

Rapid SDH

RapidAI receives FDA clearance for subdural hematoma alert module

The product integrates into other modules that detect a variety of emergency conditions affecting the brain, including aneurysm and stroke.

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How the 2022 contrast media shortage impacted stroke care

A team of specialists tracked CT utilization before, during and after the 2022 shortage, sharing its findings in the American Journal of Neuroradiology.

Incomplete neurovascular imaging work-ups to blame for subsequent stroke in patients with TIA

Up to 37% of patients presenting with transient ischemic attack do not receive a full neurovascular imaging work-up, according to new data published in the American Journal of Roentgenology. 

Physical activity is linked to smaller brain bleeds, new CT data reveal

The research, published in Stroke and Vascular Neurology, suggests that just four hours of physical activity per week can reduce the significance of a brain bleed.

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Industry first: FDA clears device for detecting stroke on noncontrast CT

RapidAI said it aims to give smaller facilities access to tools often only available at comprehensive stroke centers. 

Around the web

The nuclear imaging isotope shortage of molybdenum-99 may be over now that the sidelined reactor is restarting. ASNC's president says PET and new SPECT technologies helped cardiac imaging labs better weather the storm.

CMS has more than doubled the CCTA payment rate from $175 to $357.13. The move, expected to have a significant impact on the utilization of cardiac CT, received immediate praise from imaging specialists.

The newly cleared offering, AutoChamber, was designed with opportunistic screening in mind. It can evaluate many different kinds of CT images, including those originally gathered to screen patients for lung cancer. 

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