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Total 52 results found since Jan 2013.

Intracranial Hemorrhage Detection Software Receives FDA Clearance
“AI and machine learning are going to transform healthcare, as they have virtually every other industry they have touched,” said Gene Saragnese, chairman and CEO of MaxQ AI in an interview with MD+DI. “Our world is surrounded by algorithms that present information, but one place it’s been lacking is healthcare.” MaxQ AI is doing its best to remedy that deficiency, starting with software that can detect intracranial hemorrhage (ICH). The company’s recently FDA-cleared Accipio Ix is used with noncontrast co...
Source: MDDI - November 17, 2018 Category: Medical Devices Authors: Susan Shepard Tags: Digital Health Source Type: news

Natural History of Cervical Artery Fibromuscular Dysplasia and Associated Neurovascular Events
Conclusions: No new cervical artery FMD or aneurysm was observed on subsequent imaging. New carotid dissection was uncommon over a mean follow-up period of 35.3 ± 25.3 months and was the only non-atherosclerotic vascular event observed after FMD diagnosis.Cerebrovasc Dis 2018;46:33 –39
Source: Cerebrovascular Diseases - July 31, 2018 Category: Neurology Source Type: research

International Study of Comparative Health Effectiveness with Medical and Invasive Approaches (ISCHEMIA) trial: Rationale and design
Conclusions ISCHEMIA will provide new scientific evidence regarding whether an invasive management strategy improves clinical outcomes when added to optimal medical therapy in patients with SIHD and moderate or severe ischemia.
Source: American Heart Journal - May 26, 2018 Category: Cardiology Source Type: research

Modified Dual-Energy Algorithm for Calcified Plaque Removal: Evaluation in Carotid Computed Tomography Angiography and Comparison With Digital Subtraction Angiography
Objectives: Computed tomography angiography (CTA) is a valuable tool for the assessment of carotid artery stenosis. However, blooming artifacts from calcified plaques might result in an overestimation of the stenosis grade. The aim of this study was to investigate a new dual-energy computed tomography (DECT) technique with a modified 3-material decomposition algorithm for calcium removal in extracranial carotid artery stenosis. Materials and Methods: In this retrospective, institutional review board-approved study, 30 calcified carotid plaques in 22 patients (15 men; mean age, 73 ± 10 years) with clinical suspicion of st...
Source: Investigative Radiology - October 11, 2017 Category: Radiology Tags: Original Articles Source Type: research

Image-based immersed boundary model of the aortic root.
Abstract Each year, approximately 300,000 heart valve repair or replacement procedures are performed worldwide, including approximately 70,000 aortic valve replacement surgeries in the United States alone. Computational platforms for simulating cardiovascular devices such as prosthetic heart valves promise to improve device design and assist in treatment planning, including patient-specific device selection. This paper describes progress in constructing anatomically and physiologically realistic immersed boundary (IB) models of the dynamics of the aortic root and ascending aorta. This work builds on earlier IB mod...
Source: Physica Medica - August 1, 2017 Category: Physics Authors: Hasan A, Kolahdouz EM, Enquobahrie A, Caranasos TG, Vavalle JP, Griffith BE Tags: Med Eng Phys Source Type: research

How Patient Demographics, Imaging, and Beliefs Influence Tissue-Type Plasminogen Activator Use: A Survey of North American Neurologists Clinical Sciences
Conclusions— Diagnostic certainty and likelihood of treatment with tissue-type plasminogen activator increase with additional clinical data, with the history being the most important factor for diagnostic and treatment decisions. Respondents had difficulty in interpreting the results of CT perfusion scans although they had little impact on treatment decisions. We did not identify treatment bias based on patient age, race, or sex.
Source: Stroke - July 24, 2016 Category: Neurology Authors: Shamy, M. C. F., Pugliese, M., Meisel, K., Rodriguez, R., Kim, A. S., Stahnisch, F. W., Smith, E. E. Tags: Computerized Tomography (CT), Ethics and Policy, Quality and Outcomes, Ischemic Stroke Clinical Sciences Source Type: research

Otitis Media Leads to Brain Abscess Presenting as Stroke
By Mikhail Elfond, DO; Esi Quayson, MD; & Joseph V.M. Kelly, MD, MBA A 65-year-old man presented to the ED via EMS with symptoms of stroke. The paramedics stated his right-sided weakness and speech difficulty started 40 minutes prior to presentation in the ED. En route to the hospital, paramedics observed four episodes of facial twitching.       Vitals signs were significant for a rectal temperature of 100.2°F and a fingerstick blood sugar of 220 mg/dL. History of present illness was significant for a diagnosis of left otitis media treated with Augmentin and Vicodin at an urgent care center ...
Source: The Case Files - January 20, 2015 Category: Emergency Medicine Tags: Blog Posts Source Type: research