Artificial Intelligence

Artificial intelligence (AI) is becoming a crucial component of healthcare to help augment physicians and make them more efficient. In medical imaging, it is helping radiologists more efficiently manage PACS worklists, enable structured reporting, auto detect injuries and diseases, and to pull in relevant prior exams and patient data. In cardiology, AI is helping automate tasks and measurements on imaging and in reporting systems, guides novice echo users to improve imaging and accuracy, and can risk stratify patients. AI includes deep learning algorithms, machine learning, computer-aided detection (CAD) systems, and convolutional neural networks. 

Most imaging AI algorithms perform unimpressively in external validation exercises

Some 81% of the models—70 of 86 DL algorithms reported in 83 separate studies—diminished at least somewhat in diagnostic accuracy compared with their accuracy on internal datasets.

May 5, 2022
neck ultrasound thyroid

Deep learning and rads comprise an ‘efficient pipeline’ for detecting, classifying thyroid nodules

Competing to classify thyroid nodules on ultrasound images as either malignant or benign, three deep learning models have essentially drawn a tie with four radiologists.

May 2, 2022
Kidney

AI looking handy with 3D abdominal ultrasound

Mayo Clinic researchers have demonstrated a deep learning model that can automatically segment kidneys and measure total kidney volumes using only 3D ultrasound images.

April 28, 2022
Brain Scan

AI aids coma prognostics, potentially averting withdrawal of care

Deep learning has bested experienced neurosurgeons at predicting poor outcomes, including mortality, among patients admitted comatose with severe traumatic brain injuries.

April 26, 2022
Stroke - head with text

FDA warns providers about potential misuse of imaging-based software for stroke triage

Physicians may not be aware of such devices' intended use, with potential for misdiagnosis resulting in patient injury or death, the agency announced. 

April 12, 2022

Artificial intelligence startup Viz.ai reaches unicorn status with $100M investment

Now valued at $1.2B, the San Francisco startup was co-founded by a neurosurgeon and offers a suite of solutions for diagnosing diseases from medical images. 

April 8, 2022
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FDA clears Aidoc artificial intelligence solution for flagging suspected brain aneurysm cases

This marks the ninth 510(k) clearance for the company, which has offices in Israel and New York, and second in the past 10 days. 

April 7, 2022
Concussion brain

Artificial intelligence shows promise predicting patients’ need for CT after traumatic brain injury

Only 10% of such scans reveal positive findings for TBI, raising concerns about overuse and radiation exposure among children, experts wrote in JACR

April 5, 2022

Around the web

"This was an unneeded burden, which was solely adding to the administrative hassles of medicine," said American Society of Nuclear Cardiology President Larry Phillips.

SCAI and four other major healthcare organizations signed a joint letter in support of intravascular ultrasound. 

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

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