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Prior antiplatelet use does not affect hemorrhage growth or outcome after ICH

L. H. Sansing, S. R. Messe, B. L. Cucchiara, S. N. Cohen, P. D. Lyden, S. E. Kasner
2009 Neurology  
There were 282 patients included in this analysis, including 70 (24.8%) who were taking antiplatelet medications at ICH onset.  ...  Use of antiplatelet medications at ICH onset had no association with the volume of ICH at presentation, growth of ICH at 72 hours, initial edema volume, or edema growth.  ...  ACKNOWLEDGMENT The authors thank AstraZeneca for providing the data for this analysis and Andrew Cucchiara, PhD, for his statistical assistance.  ... 
doi:10.1212/01.wnl.0000342709.31341.88 pmid:19129506 pmcid:PMC2677505 fatcat:keldmlxcbjaulko74wna2z6qgm

20th anniversary of the Medical Image Analysis journal (MedIA)

2016 Medical Image Analysis  
20th anniversary of the medical image analysis journal (MedIA) This special issue of Medical Image Analysis gathers 32 articles written by prominent members of the current editorial board of the journal  ...  Nice, France) & James Duncan (New Haven, USA) Co-Editors-in-Chief, Medical Image Analysis  ... 
doi:10.1016/ pmid:27503079 fatcat:l7kqgcawwbfofnz43fz2xidzvi

Assessment of the Image Quality and Diagnostic Accuracy of Coronary CT Angiography: Effect of Sublingual Administration of Nitroglycerin

Doo Kyung Kang, Hyun Woo Noh, Kyung Joo Park, So Yeon Choi
2007 Journal of the Korean Radiological Society  
The volume-rendering image (A) shows significant lumen reduction (arrow) at the mid-LAD.  ...  Table 2 . 2 Diagnostic Accuracy of Coronary CTA for Detecting Significant Stenosis Analysis Pre-medication Sensitivity (%) Specificity (%) PPV (%) NPV (%) Accuracy (%) Per-segments No NTG (n=151  ...  Assessment of the Image Quality and Diagnostic Accuracy of Coronary Forty three patients underwent coronary CTA without medication (the non-administrated group), while 38 patients were given 0.6 mg NTG  ... 
doi:10.3348/jkrs.2007.56.2.127 fatcat:nwnahfkyoraevcuxq32jcckjxu

Evaluating the potential and problems of three-dimensional computed tomography measurements of arterial stenosis

David S. Ebert, David G. Heath, Brian S. Kuszyk, Linglan Edwards, Christopher D. Shaw, James Kukla, Ted Bedwell, Elliot K. Fishman
1998 Journal of digital imaging  
Volume visualization is gaining widespread acceptance in medical applications. As its use increases, the issue of accuracy becomes critical.  ...  Parameters that produce realistic images often provide inaccurate measurements.  ...  Fig 1 . 1 Two example volume rendered images from a 66% stenosed data set $howing the range of images that can be produced from the same data, Fig 4 . 4 Range of images generated by the volume raycaster  ... 
doi:10.1007/bf03168738 pmid:9718505 pmcid:PMC3453197 fatcat:y4p47gko4ncalok3ma6fgkwaum

Med3D: Transfer Learning for 3D Medical Image Analysis [article]

Sihong Chen, Kai Ma, Yefeng Zheng
2019 arXiv   pre-print
Similarly, models based on large dataset are important for the development of deep learning in 3D medical images.  ...  However, it is extremely challenging to build a sufficiently large dataset due to difficulty of data acquisition and annotation in 3D medical imaging.  ...  from thousands of object categories, the medical imaging analysis operates on a confined body region that has much less object classes.  ... 
arXiv:1904.00625v4 fatcat:pazewe43qbeu7fpinqamn23ewy

PD-0453: Test-retest repeatability analysis of 18F-FDG PET Radiomics features in NSCLC

R. Leijenaar, S. Carvalho, E. Ríos Velázquez, O. Hoekstra, C. Hoekstra, R. Boellaard, H. Aerts, P. Lambin
2013 Radiotherapy and Oncology  
This is within the context of Radiomics: extracting and mining a large number of quantitative features from medical images, where it is hypothesized that it will improve tumor characterization and outcome  ...  Results: 32 lesions were selected for analysis.  ...  The extracted image features comprised 15 first-order statistics, 33 textural features derived from gray level co-occurrence and gray level run-length matrices, 51 metabolic descriptors of the intensity  ... 
doi:10.1016/s0167-8140(15)32759-6 fatcat:giy3mmfyjzfhbjx3rn7ndkqa6a

Progressive Brain Atrophy and Cortical Thinning in Schizophrenia after Commencing Clozapine Treatment

Mohamed Ahmed, Dara M Cannon, Cathy Scanlon, Laurena Holleran, Heike Schmidt, John McFarland, Camilla Langan, Peter McCarthy, Gareth J Barker, Brian Hallahan, Colm McDonald
2015 Neuropsychopharmacology  
MRI images were analyzed using SIENA (Structural Image Evaluation, using Normalization, of Atrophy) and FreeSurfer to investigate changes over time in brain volume and cortical thickness respectively.  ...  It is possible that this gray matter loss reflects a progressive disease process irrespective of medication use or that it is contributed to by switching to clozapine treatment.  ...  Dr M Ahmed had full access to all of the data in the study and takes responsibility for the integrity of the data and the accuracy of the data analysis.  ... 
doi:10.1038/npp.2015.90 pmid:25829144 pmcid:PMC4538355 fatcat:dux7nx7dhfhmtnc7jkiztx2a7y

Cortical and Subcortical Alterations in Medication Overuse Headache

Jan Mehnert, Julia Hebestreit, Arne May
2018 Frontiers in Neurology  
Gray matter volume (GMV) alterations of MOH patients by means of voxel based morphometry (VBM) analysis.  ...  Contrast images from the condition pain and air puffs (differences of their beta-images which result as fitting parameters from the GLM analysis) signifying strength of neuronal activity during nociception  ... 
doi:10.3389/fneur.2018.00499 pmid:29988531 pmcid:PMC6026656 fatcat:5ojsspqvmffztg3m7zfkkxfwni

Stereology volume analysis to evaluate teeth's root using CBCT images

Ahmed Fadili, Abdelali Halimi, Hicham Benyahia, Fatima Zaoui
2018 Reports in Medical Imaging  
Conclusion: The use of stereology employing the ImageJ software and CBCT images provide an accurate and reliable semiautomated segmentation, leading to an approach of volume quantitative analysis to evaluate  ...  follow-up the root's volume when an orthodontic treatment occurred.  ...  Dovepress Dovepress 33 stereology volume analysis to evaluate teeth's root using cBcT images calculation of teeth roots volumes Downloading ImageJ Reports in MedicalImaging downloaded from  ... 
doi:10.2147/rmi.s153169 fatcat:fa4vsq3ctvfbznvutrslk6atka

A Detailed Review On Medical Image Compression

Amit Verma
2021 Turkish Journal of Computer and Mathematics Education  
The current article is a scientometric analysis of the research articles on the topic "Medical Image Compression".  ...  coding 99 6 image compression 267 7 image quality 69 8 image reconstruction 33 9 image segmentation 33 10 lossless compression 37 11 magnetic resonance imaging 56 12 medical image  ...  Medical Image Compression Keywords Analysis Fig. 3 . 3 Medical Table.2. Medical Image Citation Source wise DataThe next figure portray the country wise citation.  ... 
doi:10.17762/turcomat.v12i2.2334 fatcat:ip2lznawcbgwre6yr75li3bkoa

Use of textural analysis of tumour vascular heterogeneity as a biomarker of response to anti-angiogenic treatment in patients with nasopharyngeal carcinoma

Qiao Qi Teo, Benjamin Haaland, Choon Hua Thng, Wan Teck Lim, Tong San Koh, Quan-Sing Ng
2014 Cancer Imaging  
Materials and methods DCE-CT images of 33 patients, with recurrent/metastatic NPC treated with pazopanib, were analyzed to derive tumour blood flow, fractional intravascular blood volume, fractional extracellular-extravascular  ...  Authors' details 1 Duke-NUS Graduate Medical School, Singapore, Singapore. 2 Department of Oncologic Imaging, National Cancer Centre Singapore, Singapore, Republic of Singapore. 3 Department of Medical  ... 
doi:10.1186/1470-7330-14-s1-p23 fatcat:2cfiwxihqbgybdhs32nuge6yqu

Page 39 of None Vol. 54, Issue 5 [page]

2003 None  
All image analysis was performed off-line using EasyVision or on a remote personal computer using eFilm 1.5.3 (eFilm Medical; Toronto, Ontario, Canada), Paint Shop Pro 7 (Jasc Software; Minnetonka, MN)  ...  Because of its high spatial (<1 mm) and temporal (<30 ms) resolution, cardiac MRI has become the gold standard for LV mass and chamber size (volume) de- termination (33).  ... 

A Review of Self-supervised Learning Methods in the Field of Medical Image Analysis

Jiashu Xu, National Technical University of Ukraine "Igor Sikorsky Kyiv Polytechnic Institute", Kyiv, 03056, Ukraine
2021 International Journal of Image Graphics and Signal Processing  
So, more and more researchers are trying to utilize SSL methods for medical image analysis, to meet the challenge of assembling large medical datasets.  ...  In the field of medical image analysis, supervised deep learning strategies have achieved significant development, while these methods rely on large labeled datasets.  ...  How to reasonably use the existing SSL framework to solve the task of medical image analysis is the main research problem.  ... 
doi:10.5815/ijigsp.2021.04.03 fatcat:ff7ybaplqncthgswf3zy7cbeza


Ritsuko K. Pooh
2012 The Open Medical Devices Journal  
It is possible to observe the whole brain structure by magnetic resonance imaging in the post half of pregnancy, but it is difficult in the first half of gestation and transvaginal high-resolution 3D ultrasound  ...  Volume analysis by 3D ultrasound provides exceedingly informative imaging data.  ...  The Open Medical Devices Journal, 2012, Volume 4 Ritsuko K. Pooh The Open Medical Devices Journal, 2012, Volume 4 Ritsuko K. Pooh The Open Medical Devices Journal, 2012, Volume 4 Ritsuko K.  ... 
doi:10.2174/1875181401204010045 fatcat:qjotsiwlvvd2vjrnqgq4to754q

Outcomes of Thrombectomy in Transferred Patients With Ischemic Stroke in the Late Window

Amrou Sarraj, Michael Mlynash, Sean I. Savitz, Jeremy J. Heit, Maarten G. Lansberg, Michael P. Marks, Gregory W. Albers
2019 JAMA Neurology  
Although thrombectomy benefit was maintained in transfer patients with ischemic stroke in early-window trials, overall functional independence rates were lower in thrombectomy and medical management-only  ...  Statistical Analysis We compared clinical and imaging outcomes in transfer patients who received thrombectomy vs medical therapy with the results in patients who presented directly to the study sites.  ...  Regarding imaging outcomes, both 24-hour median infarct volume and 24-hour lesion infarct growth were numerically smaller in patients receiving thrombectomy than those receiving medical therapy regardless  ... 
doi:10.1001/jamaneurol.2019.0118 pmid:30734042 pmcid:PMC6563543 fatcat:g5gzwm3onjfprlmqlvje5ih4hq
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