Author

M. Hagar

3 papers indexed here

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Open access Sep 2026

Photon-counting detector CT for prediction of valve dysfunction after transcatheter aortic valve implantation: Comparison with echocardiography.

BACKGROUND Noninvasive evaluation of suspected prosthetic valve dysfunction after transcatheter aortic valve implantation (TAVI) remains challenging because both anatomic and hemodynamic information are required for a conclusive diagnosis. PURPOSE To evaluate the diagnostic accuracy of hemodynamic parameters derived...

S. Hyska, J. Osoria-Velasquez, M. Hagar et al. · Journal of cardiovascular co... · 0 citations

Sep 2026

3D Volume Rendering of Ultrahigh-Resolution Photon-Counting Detector CT Angiography for Preoperative Assessment of Intracranial Aneurysms: Initial Experience.

Three-dimensional volume rendering (3DVR) enables the detailed visualization of complex vascular anatomy. However, the utility of combining ultrahigh-resolution (UHR) photon-counting detector CT angiography (PCD-CTA) with 3DVR post-processing for preoperative intracranial aneurysm assessment has not yet been evaluated....

Adrienn Tóth, Matthew Silbergleit, S. Al Kasab et al. · AJNR. American journal of ne... · 0 citations

Aug 2026

Spectral Black-Blood Photon-Counting CT for High-Resolution Carotid Vessel Wall Imaging: A Feasibility Study.

OBJECTIVES To evaluate the feasibility of a novel single-phase spectral black-blood CT (BBCT) technique for high-resolution carotid vessel wall imaging and explore its potential impact on plaque feature visualization. METHODS In this IRB-approved retrospective study, clinically indicated head and neck photon-counting...

Adrienn Tóth, M. Hagar, M. Halfmann et al. · Investigative Radiology · 0 citations