101 research outputs found
Top 2023 Images in Cardiothoracic Imaging
No full textImages in Cardiothoracic Imaging is a manuscript category in Radiology: Cardiothoracic Imaging that aims to showcase compelling and visually appealing images, cutting-edge imaging technologies, and important or rare cardiothoracic imaging diagnoses. Starting this past year, an inaugural team of four trainee deputy editors (Samer Alabed, Gaurav Gulsin, Suvai Gunasekaran, and Domenico Mastrodicasa) have shared the responsibility for reviewing and editing Images in Cardiothoracic Imaging submissions toward publication. Under the leadership of Suhny Abbara, the editor of Radiology: Cardiothoracic Imaging, and Kate Hanneman, an associate editor of the journal and chair of the trainee editorial board, trainee deputy editors maintained the high standard of excellence expected by the readership, ensuring that only the most compelling and relevant manuscripts were featured in Images in Cardiothoracic Imaging.</p
Top 2023 Images in Cardiothoracic Imaging
No full textImages in Cardiothoracic Imaging is a manuscript category in Radiology: Cardiothoracic Imaging that aims to showcase compelling and visually appealing images, cutting-edge imaging technologies, and important or rare cardiothoracic imaging diagnoses. Starting this past year, an inaugural team of four trainee deputy editors (Samer Alabed, Gaurav Gulsin, Suvai Gunasekaran, and Domenico Mastrodicasa) have shared the responsibility for reviewing and editing Images in Cardiothoracic Imaging submissions toward publication. Under the leadership of Suhny Abbara, the editor of Radiology: Cardiothoracic Imaging, and Kate Hanneman, an associate editor of the journal and chair of the trainee editorial board, trainee deputy editors maintained the high standard of excellence expected by the readership, ensuring that only the most compelling and relevant manuscripts were featured in Images in Cardiothoracic Imaging.</p
sj-docx-1-pch-10.1177_21501351231186898 - Supplemental material for Technical Recommendations for Computed Tomography Guidance of Intervention in the Right Ventricular Outflow Tract: Native RVOT, Conduits, and Bioprosthetic Valves
No full textSupplemental material, sj-docx-1-pch-10.1177_21501351231186898 for Technical Recommendations for Computed Tomography Guidance of Intervention in the Right Ventricular Outflow Tract: Native RVOT, Conduits, and Bioprosthetic Valves by B. Kelly Han, MD, Santiago Garcia, MD, Jamil Aboulhosn, MD, Phillip Blanke, MD, Mary Hunt Martin, MD, Evan Zahn, MD, Andrew Crean, MD, David Overman, MD, C. Hamilton Craig, MD, Kate Hanneman, MD, Thomas Semple, MD, and Aimee Armstrong, MD in World Journal for Pediatric and Congenital Heart Surgery</p
Comprehensive motion‐compensated highly accelerated 4D flow MRI with ferumoxytol enhancement for pediatric congenital heart disease
No full textPurpose: To develop and evaluate motion-compensation and compressed-sensing techniques in 4D flow MRI for anatomical assessment in a comprehensive ferumoxytol-enhanced congenital heart disease (CHD) exam. Materials and Methods: A Cartesian 4D flow sequence was developed to enable intrinsic navigation and two variable-density sampling schemes: VDPoisson and VDRad. Four compressed-sensing methods were developed: A) VDPoisson scan reconstructed using spatial wavelets; B) added temporal total variation to A; C) VDRad scan using the same reconstruction as in B; and D) added motion compensation to C. With Institutional Review Board (IRB) approval and Health Insurance Portability and Accountability Act (HIPAA) compliance, 23 consecutive patients (eight females, mean 6.3 years) referred for ferumoxytol-enhanced CHD 3T MRI were recruited. Images were acquired and reconstructed using methods A-D. Two cardiovascular radiologists independently scored the images on a 5-point scale. These readers performed a paired wall motion and functional assessment between method D and 2D balanced steady-state free precession (bSSFP) CINE for 16 cases. Results: Method D had higher diagnostic image quality for most anatomical features (mean 3.8-4.8) compared to A (2.0-3.6), B (2.2-3.7), and C (2.9-3.9) with P = 0.49). Method D had similar or better assessment of myocardial borders and cardiac motion compared to 2D bSSFP (P = 0.77). All methods had good internal agreement in comparing aortic with pulmonic flow (BA mean 0.85) and compared to method A (BA mean 0.84) with P < 0.01. Conclusion: Flow, functional, and anatomical assessment in CHD with ferumoxytol-enhanced 4D flow is feasible and can be significantly improved using motion compensation and compressed sensing
The methodological status of co-authorship networks
No full textA powerful strategy within the study of collaboration
in science is to posit that co-authorship patterns
represent social networks.
It is prerequisite to an application of Social
Network Analysis (SNA) to define the network
entities. A network analysis of the inter-institutional
collaboration in COLLNET on the basis
of co-authorships was conducted. The study reveals
that it is crucial whether the co-authorship
itself is seen as an author's relational property or
as a social event that brings the authors together.
The former possibility is represented by a onemode
network in which each author can be related
to each other author. Quite distinct from
that are two-mode networks, the latter approach.
They consist of two single data sets in which relations
are only possible between different sets.
Different modes of representations require
different network approaches. One is that co-authorship
networks are seen as one-mode networks,
which has the advantage of the application
of a variety of measures. In contrast, twomode
networks, the other option, cannot be analysed
by standard techniques but its distinctive
features demand a new conceptualisation of
measures. In conclusion, the two-mode perspective
is more promising because it allows a dual
perspective on collaboration in science which includes
researchers as well as their scientific output
Cardiac MRI T1 mapping in unrepaired anomalous left coronary artery from the pulmonary artery
No full textAbstractA 29-year-old gravida1para1woman presented with increasing fatigue. Multi-modality imaging demonstrated the left coronary artery arising from the main pulmonary artery with large collateral vessels in the interventricular septum, in keeping with unrepaired anomalous left coronary artery from the pulmonary artery. Cardiac MRI T1 mapping demonstrated globally elevated non-contrast T1 and extracellular volume fraction values, which suggested the presence of diffuse interstitial myocardial fibrosis. Cardiac MRI T1 mapping allows for a new dimension of myocardial characterisation, providing insight into subtle, diffuse abnormalities at the tissue level.</jats:p
Soaring Eagles of the High Qing: Women's Writing as a Path to Social Advancement in Patriarchal China
No full textBachelor of Arts (BA)Although continuing the patriarchal, Confucian standards of previous empires, the Qing Dynasty (1644-1912) established a fluid, cosmopolitan culture that allowed women greater access to education and the arts. During the High Qing era, women writers found empowerment and social advancement through the cultivation of their literary talents. In this thesis, the author provides historical context, explores the role of women in traditional Chinese society, and describes how women used poetry and letters to forge their own identity. The paper also includes detailed analyses of several poems from four Qing-era writers: Shang Jinglan, Wang Duanshu, Lui Rushi, and Wang Wei. This paper received an Honorable Mention in the UW Libraries 2012 Research Awards for Undergraduates
Hypertrophic Cardiomyopathy Complicated by Pulmonary Edema in the Postpartum Period
No full textWe report the case of a 42-year-old patient with hypertrophic cardiomyopathy (HCM) who presented to the emergency department with severe shortness of breath one week following uneventful cesarean delivery. Thoracic CT ruled out pulmonary embolus and confirmed pulmonary edema. Asymmetric interventricular septal thickening was clearly identified, demonstrating that the heart may be evaluated even on a non-ECG gated study. Acute pulmonary edema in the postpartum period is an unusual clinical presentation of HCM
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