Results 181 to 190 of about 85,645 (270)

Motion Mitigation Techniques for Abdominal and Cardiac MR Imaging

Journal of Magnetic Resonance Imaging, Volume 63, Issue 4, Page 917-937, April 2026.
ABSTRACT MRI of the heart and abdominal organs provides unparalleled soft tissue contrast and quantitative biomarkers, yet remains highly susceptible to physiological motion. Contractions of the myocardium, respiratory excursions, peristalsis, vascular pulsatility, and unpredictable bulk patient movement generate artifacts that impair image quality ...
Eric M. Schrauben, Gastao Lima da Cruz, Christopher W. Roy, Thomas Küstner   +3 more
wiley   +1 more source

When can coronary computed tomography angiography in patients with calcified plaque be accurate? [PDF]

Front Cardiovasc Med
Ran Q, Chen D, Zhang H, Zhang L.
europepmc   +1 more source

Emerging Neural Recording and Neurostimulation Technologies Based on Brain–Computer Interface: A Promising Approach for Neuropsychiatric Disorders

MedComm, Volume 7, Issue 4, April 2026.
This review explores brain–computer interface (BCI)–based neural recording and stimulation for treating neuropsychiatric disorders. It details three emerging technologies: endovascular BCI for minimally invasive signal acquisition, BCI‐integrated epidural spinal cord stimulation for motor restoration, and closed‐loop deep brain stimulation for adaptive
Yeguang Xu, Danyang Chen, Qing Ye, Peng Zhang, Jian Shi, Shengjie Li, Yuhao Sun, Zhixian Zhao, Yingxin Tang, Ping Zhang, Zhouping Tang   +10 more
wiley   +1 more source

Coronary Computed Tomography Angiography

Journal of the American College of Cardiology, 2008
openaire   +1 more source

Accurate iodine quantification and residual error reduction with principal component analysis multimaterial decomposition using spectral CT

Medical Physics, Volume 53, Issue 4, April 2026.
Abstract Background Multimaterial decomposition (MMD) in dual‐energy CT enables iodine quantification, critical for diagnostic applications. However, residual errors from noniodine materials in iodine maps limit accuracy, especially in complex thoracic regions and low‐dose settings.
Hamidreza Khodajou‐Chokami, Huanjun Ding, Sabee Molloi   +2 more
wiley   +1 more source

Lipoprotein(a) and plaque progression: insights from serial coronary computed tomography angiography and quantitative plaque assessment. [PDF]

Front Cardiovasc Med
Chen X, Zheng Y, Lin S, Dai X, Chen Y, Yu S.   +5 more
europepmc   +1 more source

A deep‐learning‐based pipeline for automatic fusion of CT coronary angiogram and stress perfusion CMR

Medical Physics, Volume 53, Issue 4, April 2026.
Abstract Background Accurate evaluation of coronary artery constriction and myocardial ischemia is essential for diagnosing and managing coronary artery disease (CAD). Combining CT coronary angiography (CTCA) and stress cardiovascular magnetic resonance (CMR) imaging allows examination of both coronary artery narrowing and myocardial perfusion ...
Wenting Jiang, Ming‐Yen Ng, Tsun‐Hei Sin, Peng Cao   +3 more
wiley   +1 more source

Coronary calcium scoring on contrast-enhanced spectral coronary computed tomography angiography using a calcium-specific algorithm. [PDF]

Med Phys
Koetzier LR, Tetteroo PM, Encinas Vargas E, Schilham AMR, Greuter MJW, Langzam E, Velthuis BK, Suchá D, van der Werf NR.   +8 more
europepmc   +1 more source

Recent Advances in Hafnium Oxide Nanomaterials: From Controlled Synthesis, Structure, and Surface Engineering to Biomedical Applications

Rare Metals, Volume 45, Issue 4, April 2026.
ABSTRACT Hafnium oxide (HfO2) nanoparticles (NPs), derived from a rare‐metal element, have gained increasing attention as a versatile class of functional nanostructures with unique optical, dielectric, and surface properties that enable diverse biomedical applications. As a representative rare‐metal oxide, HfO2 NPs with well‐defined architectures offer
Mothana Hussein Tarawneh, Mohammed Ali Dheyab, Azhar Abdul Rahman, Mutaz Mohammad Alsardi, Azlan Abdul Aziz, Saleh T. Alanezi, Wesam Abdullah, Sara Abdulwahab, Mehran Ghasemlou   +8 more
wiley   +1 more source

Comparison of coronary computed tomography angiography to invasive coronary angiography for coronary allograft vasculopathy surveillance in patients with orthotopic heart transplant. [PDF]

JHLT Open
Tayon K, Barsoom R, Ibrahim M, Umadat G, Shapiro B, Nicolau JN, Parikh P, Leoni J, Abbara S, Gharacholou M.   +9 more
europepmc   +1 more source