Abstract Background Pediatric patients are often sedated for magnetic resonance imaging (MRI) scans to ensure images are of diagnostic quality. However, access time for MRIs requiring sedation is often long due to high patient volumes and limited sedation resources. Objective This study examined the effectiveness of an MRI Try Without sedation program to...
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Publication date: September 2019Source: Ultrasound in Medicine & Biology, Volume 45, Issue 9Author(s):
Publication date: September 2019Source: Ultrasound in Medicine & Biology, Volume 45, Issue 9Author(s):
Publication date: September 2019Source: Ultrasound in Medicine & Biology, Volume 45, Issue 9Author(s):
Publication date: September 2019Source: Ultrasound in Medicine & Biology, Volume 45, Issue 9Author(s):
Publication date: Available online 6 August 2019Source: Ultrasound in Medicine & BiologyAuthor(s): Yi-shun Wong, Kelly Ka-lee Lai, Yong-ping Zheng, Lyn Lee-ning Wong, Bobby Kin-wah Ng, Alec Lik-hang Hung, Benjamin Hon-kei Yip, Winnie Chiu-wing Chu, Alex Wing-hung Ng, Yong Qiu, Jack Chun-yiu Cheng, Tsz-ping LamAbstractRadiation exposure with repeated radiography required at follow-up poses serious health concerns for scoliosis patients. Although spinous process angle (SPA) measurement of spinal...
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Abstract Purpose The purpose of this study is to investigate the robustness of pharmacokinetic modelling of DCE-MRI brain tumour data and to ascertain reliable perfusion parameters through a model selection process and a stability test. Methods DCE-MRI data of 14 patients with primary brain tumours were analysed using the Tofts model (TM), the extended Tofts...
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Publication date: Available online 6 August 2019Source: Medical Image AnalysisAuthor(s): Nima Tajbakhsh, Jae Y. Shin, Michael B. Gotway, Jianming LiangAbstractDiagnosing pulmonary embolism (PE) and excluding disorders that may clinically and radiologically simulate PE poses a challenging task for both human and machine perception. In this paper, we propose a novel vessel-oriented image representation (VOIR) that can improve the machine perception of PE through a consistent, compact, and discriminative...
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Publication date: Available online 7 August 2019Source: NeuroImageAuthor(s): Siyang Luo, Bing Wu, Xiaoyue Fan, Zhu Yiyi, Xinhuai Wu, Shihui HanAbstractThoughts of death substantially influence human behavior and psychological well-being. A large number of behavioral studies have shown evidence that asking individuals to think about death or mortality salience leads to significant changes of their behaviors. These findings support the well-known terror management theory to account for the psychological...
Publication date: Available online 7 August 2019Source: NeuroImageAuthor(s): Qunlin Chen, Roger E. Beaty, Zaixu Cui, Jiangzhou Sun, Hong He, Kaixiang Zhuang, Zhiting Ren, Guangyuan Liu, Jiang QiuAbstractHemispheric lateralization for creative thinking remains a controversial topic. Early behavioral and neuroimaging research supported right hemisphere dominance in creative thinking, but more recent evidence suggests the left hemisphere plays an equally important role. In addition, the extent to which...
Publication date: Available online 6 August 2019Source: NeuroImageAuthor(s): Nikos Priovoulos, Benedikt A. Poser, Dimo Ivanov, Frans RJ. Verhey, Heidi IL. JacobsAbstractThe nucleus of the solitary tract (NTS) is a nuclei complex with, among others, a high concentration of noradrenergic neurons (including the noradrenergic subnuclei named A1 and A2) in the medulla. The NTS regulates several cognitive, neuroendocrine and autonomic functions. No method currently exists to anatomically visualize the...
Publication date: Available online 6 August 2019Source: NeuroImageAuthor(s): Elene Iordanishvili, Melissa Schall, Ricardo Loução, Markus Zimmermann, Ketevan Kotetishvili, N. Jon Shah, Ana-Maria Oros-PeusquensAbstractInterest in white matter hyperintensities (WMH), a radiological biomarker of small vessel disease, is continuously increasing. This is, in most part, due to our better understanding of their association with various clinical disorders, such as stroke and Alzheimer's disease, and the overlapping...
Publication date: Available online 6 August 2019Source: NeuroImageAuthor(s): André Döring, Roland KreisAbstractPurposeTo demonstrate that oscillating gradient spin-echo sequences can be combined with diffusion-weighted magnetic resonance spectroscopy even on clinical MR systems to study human brain at short diffusion times to provide apparent diffusion coefficients (ADCs) sensitive to a narrower cellular length scale than pulsed gradient spin-echo sequences at long diffusion time.MethodsMeasurements...
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