| Publication |
Sentence |
Publish Date |
Extraction Date |
Species |
| Anna Klempka, Eduardo Ackermann, Sven Clausen, Christoph Grode. Photon Counting Computed Tomography for Accurate Cribriform Plate (Lamina Cribrosa) Imaging in Adult Patients. Tomography (Ann Arbor, Mich.). vol 10. issue 3. 2024-03-27. PMID:38535773. |
a total of 40 patients were included in a retrospective analysis, with half of them undergoing pc ct (naeotom alpha siemens healthineers, forchheim, germany) and the other half undergoing ct scans using an energy-integrated detector (somatom sensation 64, siemens, forchheim, germany) in which the cribriform plate was visualized with a temporal bone protocol. |
2024-03-27 |
2024-03-29 |
Not clear |
| Helen R Fryer, Tanya Golubchik, Matthew Hall, Christophe Fraser, Robert Hinch, Luca Ferretti, Laura Thomson, Anel Nurtay, Lorenzo Pellis, Thomas House, George MacIntyre-Cockett, Amy Trebes, David Buck, Paolo Piazza, Angie Green, Lorne J Lonie, Darren Smith, Matthew Bashton, Matthew Crown, Andrew Nelson, Clare M McCann, Mohammed Adnan Tariq, Claire J Elstob, Rui Nunes Dos Santos, Zack Richards, Xin Xhang, Joseph Hawley, Mark R Lee, Priscilla Carrillo-Barragan, Isobel Chapman, Sarah Harthern-Flint, David Bonsall, Katrina A Lythgo. Viral burden is associated with age, vaccination, and viral variant in a population-representative study of SARS-CoV-2 that accounts for time-since-infection-related sampling bias. PLoS pathogens. vol 19. issue 8. 2023-08-14. PMID:37578971. |
by analysing the adjusted ct values using partial least squares regression, we found that among unvaccinated individuals with no known prior exposure, viral burden was 44% lower among alpha variant infections, compared to those with the predecessor strain, b.1.177. |
2023-08-14 |
2023-09-07 |
Not clear |
| Steven T Bache, Ehsan Same. A methodology for incorporating a photon-counting CT system into routine clinical use. Journal of applied clinical medical physics. 2023-06-30. PMID:37389963. |
a pcct system (siemens naeotom alpha) was evaluated using the american college of radiology(acr) ct phantom (gammex 464). |
2023-06-30 |
2023-08-14 |
Not clear |
| Shiqi Hu, Yaqin Liu, Qidong Yang, Lin Chen, Huizi Chai, Mingzhe Xiao, Chuang Qi, Wei Qi. Liquid biopsy using cell-free DNA in the early diagnosis of hepatocellular carcinoma. Investigational new drugs. 2023-04-26. PMID:37099161. |
ultrasound (us), computed tomography (ct), and serum alpha fetoprotein (afp) have been used to screen hcc, but hcc is still difficult to be diagnosed in the early stage due to the low sensitivity of the above methods. |
2023-04-26 |
2023-08-14 |
Not clear |
| Andrea Ferrero, Garret M Powell, Dennis K Adaaquah, Kishore Rajendran, Jamison E Thorne, Aaron J Krych, Kelly K Horst, Cynthia H McCollough, Francis I Baffou. Feasibility of photon-counting CT for femoroacetabular impingement syndrome evaluation: lower radiation dose and improved diagnostic confidence. Skeletal radiology. 2023-03-27. PMID:36971838. |
the feasibility of low-dose photon-counting detector (pcd) ct to measure alpha and acetabular version angles of femoroacetabular impingement (fai). |
2023-03-27 |
2023-08-14 |
Not clear |
| Oliver Eales, Andrew J Page, Sonja N Tang, Caroline E Walters, Haowei Wang, David Haw, Alexander J Trotter, Thanh Le Viet, Ebenezer Foster-Nyarko, Sophie Prosolek, Christina Atchison, Deborah Ashby, Graham Cooke, Wendy Barclay, Christl A Donnelly, Justin O'Grady, Erik Volz, The Covid-Genomics Uk Cog-Uk Consortium, Ara Darzi, Helen Ward, Paul Elliott, Steven Rile. The use of representative community samples to assess SARS-CoV-2 lineage competition: Alpha outcompetes Beta and wild-type in England from January to March 2021. Microbial genomics. vol 9. issue 2. 2023-02-06. PMID:36745545. |
further, viral load was higher in those infected with the alpha variant as measured by cycle threshold (ct) values. |
2023-02-06 |
2023-08-14 |
Not clear |
| Min Du, Yirui Ma, Jie Deng, Min Liu, Jue Li. Comparison of Long COVID-19 Caused by Different SARS-CoV-2 Strains: A Systematic Review and Meta-Analysis. International journal of environmental research and public health. vol 19. issue 23. 2022-12-11. PMID:36498103. |
the highest pooled estimate of long covid-19 was found in the ct abnormalities (60.5%; 95% ci: 40.4%, 80.6%) for the wild-type strain; fatigue (66.1%; 95% ci: 42.2%, 89.9%) for the alpha variant; and ≥1 general symptoms (28.4%; 95% ci: 7.9%, 49.0%) for the omicron variant. |
2022-12-11 |
2023-08-14 |
Not clear |
| Giulio Viceconte, Andrea Ponsiglione, Antonio Riccardo Buonomo, Luigi Camera, Riccardo Scotto, Marco De Giorgi, Lorenzo Pinto, Biagio Pinchera, Riccardo Villari, Maria Foggia, Gerardo Gerundo, Pasquale Abete, Arturo Brunetti, Ivan Gentil. COVID-19 chest CT and laboratory features of B.1.617.2 (Delta variant) vs B.1.1.7 (Alpha variant) surge: a single center case-control study. Le infezioni in medicina. vol 30. issue 4. 2022-12-09. PMID:36482955. |
covid-19 chest ct and laboratory features of b.1.617.2 (delta variant) vs b.1.1.7 (alpha variant) surge: a single center case-control study. |
2022-12-09 |
2023-08-14 |
Not clear |
| Maud Salmona, Marie-Laure Chaix, Linda Feghoul, Nadia Mahjoub, Sarah Maylin, Nathalie Schnepf, Hervé Jacquier, Eve-Marie Walle, Marion Helary, Guillaume Mellon, Nathalie Osinski, Widad Zebiche, Yacine Achili, Rishma Amarsy, Véronique Mahé, Jérôme Le Goff, Constance Delaugerr. Detection of SARS-CoV-2 in Saliva and Nasopharyngeal Swabs According to Viral Variants. Microbiology spectrum. 2022-11-08. PMID:36346252. |
in contrast, in the saliva samples, ct values were significantly lower for the omicron variant than for the delta (difference of -2.7 ct) and the alpha (difference of -3.0 ct) variants, confirming a higher viral load in saliva. |
2022-11-08 |
2023-08-14 |
Not clear |
| Lin Wang, Xiufen Ye, Donghao Zhang, Wanji He, Lie Ju, Yi Luo, Huan Luo, Xin Wang, Wei Feng, Kaimin Song, Xin Zhao, Zongyuan G. 3D matting: A benchmark study on soft segmentation method for pulmonary nodules applied in computed tomography. Computers in biology and medicine. vol 150. 2022-10-13. PMID:36228464. |
we adapt four state-of-the-art 2d image matting algorithms to 3d scenes and further customize the methods for ct images to calibrate the alpha matte with the radiodensity. |
2022-10-13 |
2023-08-14 |
Not clear |
| Suelen H Qassim, Mohammad R Hasan, Patrick Tang, Hiam Chemaitelly, Houssein H Ayoub, Hadi M Yassine, Hebah A Al-Khatib, Maria K Smatti, Hanan F Abdul-Rahim, Gheyath K Nasrallah, Mohamed Ghaith Al-Kuwari, Abdullatif Al-Khal, Peter Coyle, Imtiaz Gillani, Anvar Hassan Kaleeckal, Riyazuddin Mohammad Shaik, Ali Nizar Latif, Einas Al-Kuwari, Andrew Jeremijenko, Adeel A Butt, Roberto Bertollini, Hamad Eid Al-Romaihi, Mohamed H Al-Thani, Laith J Abu-Radda. Effects of SARS-CoV-2 Alpha, Beta, and Delta variants, age, vaccination, and prior infection on infectiousness of SARS-CoV-2 infections. Frontiers in immunology. vol 13. 2022-09-30. PMID:36177014. |
compared to beta infections, alpha and delta infections demonstrated 2.56 higher ct cycles (95% ci: 2.35-2.78), and 4.92 fewer cycles (95% ci: 4.67- 5.16), respectively. |
2022-09-30 |
2023-08-14 |
Not clear |
| Wen H Wang, Alex M Lynch, Julie A Balko, Daniel J Duffy, James B Robertson, Lysa P Posne. Point-of-care viscoelastic coagulation assessment in healthy dogs during the perianesthetic period. BMC veterinary research. vol 18. issue 1. 2022-09-14. PMID:36104699. |
viscoelastic tests were performed in duplicate on different devices, providing: clot time (ct; seconds), clot formation time (cft; seconds), alpha angle (α; degrees), amplitude (units) at 10 (a10) and 20 (a20) minutes post clot time, maximum clot firmness (mcf; units), and lysis index (%) at 30 (li30) and 45 (li45) minutes post maximum clot formation. |
2022-09-14 |
2023-08-14 |
Not clear |
| Josiah O Kuja, Bernard N Kanoi, Renzo F Balboa, Clement Shiluli, Michael Maina, Harrison Waweru, Kimita Gathii, Mary Mungai, Moses Masika, Omu Anzala, Matilu Mwau, Taane G Clark, John Waitumbi, Jesse Gitak. Genomic surveillance of SARS-COV-2 reveals diverse circulating variant lineages in Nairobi and Kiambu Counties, Kenya. BMC genomics. vol 23. issue 1. 2022-09-01. PMID:36050650. |
phylo-genome-temporal analyses across two regions in kenya (nairobi and kiambu county) revealed that b.1.1.7 (alpha; n = 32, 56.1%) and b.1 (n = 9, 15.8%) were the predominant lineages, exhibiting low ct values (5-31) suggesting high infectivity, and variant mutations across the two regions. |
2022-09-01 |
2023-08-14 |
Not clear |
| Naibin Yang, Chuwen Wang, Jiajia Huang, Jing Dong, Jihui Ye, Yuan Fu, Jingfeng Huang, Daojie Xu, Gang Cao, Guoqing Qia. Clinical and Pulmonary CT Characteristics of Patients Infected With the SARS-CoV-2 Omicron Variant Compared With Those of Patients Infected With the Alpha Viral Strain. Frontiers in public health. vol 10. 2022-07-29. PMID:35903393. |
clinical and pulmonary ct characteristics of patients infected with the sars-cov-2 omicron variant compared with those of patients infected with the alpha viral strain. |
2022-07-29 |
2023-08-14 |
Not clear |
| Naibin Yang, Chuwen Wang, Jiajia Huang, Jing Dong, Jihui Ye, Yuan Fu, Jingfeng Huang, Daojie Xu, Gang Cao, Guoqing Qia. Clinical and Pulmonary CT Characteristics of Patients Infected With the SARS-CoV-2 Omicron Variant Compared With Those of Patients Infected With the Alpha Viral Strain. Frontiers in public health. vol 10. 2022-07-29. PMID:35903393. |
we aimed to compare the clinical and pulmonary computed tomography (ct) characteristics of the patients infected with sars-cov-2 omicron with those of patients infected with the alpha viral strain. |
2022-07-29 |
2023-08-14 |
Not clear |
| N W Sutarja, A Setiawan, F Matulata. Mature Jejunal Teratoma in adolescents: A case report. The Medical journal of Malaysia. vol 77. issue Suppl 1. 2022-07-28. PMID:35899888. |
jt may be suspected on a computed tomography (ct) scan, whichcan describe the various features of the germinal layer components, followed by normal laboratory results of alpha feto protein (afp) and β-human chorionic gonadotropin (β- hcg). |
2022-07-28 |
2023-08-14 |
human |
| Shohei Inui, Akira Fujikawa, Wataru Gonoi, Shuichi Kawano, Keita Sakurai, Yuto Uchida, Masanori Ishida, Osamu Ab. Comparison of CT findings of coronavirus disease 2019 (COVID-19) pneumonia caused by different major variants. Japanese journal of radiology. 2022-06-28. PMID:35763239. |
to explore the ct findings and pneumonnia progression pattern of the alpha and delta variants of sars-cov-2 by comparing them with the pre-existing wild type. |
2022-06-28 |
2023-08-14 |
Not clear |
| Ronald Booij, Niels R van der Werf, Marcel L Dijkshoorn, Aad van der Lugt, Marcel van Strate. Assessment of Iodine Contrast-To-Noise Ratio in Virtual Monoenergetic Images Reconstructed from Dual-Source Energy-Integrating CT and Photon-Counting CT Data. Diagnostics (Basel, Switzerland). vol 12. issue 6. 2022-06-24. PMID:35741277. |
to evaluate whether the contrast-to-noise ratio (cnr) of an iodinated contrast agent in virtual monoenergetic images (vmi) from the first clinical photon-counting detector (pcd) ct scanner is superior to vmi cnr from a dual-source dual-energy ct scanner with energy-integrating detectors (eid), two anthropomorphic phantoms in three different sizes (thorax and abdomen, qrm gmbh), in combination with a custom-built insert containing cavities filled with water, and water with 15 mg iodine/ml, were scanned on an eid-based scanner (siemens somatom force) and on a pcd-based scanner (siemens, naeotom alpha). |
2022-06-24 |
2023-08-14 |
Not clear |
| Vincenza Granata, Roberta Fusco, Alberta Villanacci, Simona Magliocchetti, Fabrizio Urraro, Nardi Tetaj, Luisa Marchioni, Fabrizio Albarello, Paolo Campioni, Massimo Cristofaro, Federica Di Stefano, Nicoletta Fusco, Ada Petrone, Vincenzo Schininà, Francesca Grassi, Enrico Girardi, Stefania Ianniell. Imaging Severity COVID-19 Assessment in Vaccinated and Unvaccinated Patients: Comparison of the Different Variants in a High Volume Italian Reference Center. Journal of personalized medicine. vol 12. issue 6. 2022-06-24. PMID:35743740. |
to analyze the vaccine effect by comparing five groups: unvaccinated patients with alpha variant, unvaccinated patients with delta variant, vaccinated patients with delta variant, unvaccinated patients with omicron variant, and vaccinated patients with omicron variant, assessing the "gravity" of covid-19 pulmonary involvement, based on ct findings in critically ill patients admitted to intensive care unit (icu). |
2022-06-24 |
2023-08-14 |
Not clear |
| Saman Sotoudeh-Paima, W Paul Segars, Ehsan Samei, Ehsan Abad. Photon-counting CT versus conventional CT for COPD quantifications: intra-scanner optimization and inter-scanner assessments using virtual imaging trials. Proceedings of SPIE--the International Society for Optical Engineering. vol 12031. 2022-05-16. PMID:35574205. |
having the physical and geometrical properties of three siemens commercial scanners (flash, force for eid and naeotom alpha for pcct) modeled, we simulated ct images of ten copd-xcat phantoms at 0.63 and 3.17 mgy dose levels and reconstructed at three levels of kernel sharpness. |
2022-05-16 |
2023-08-13 |
Not clear |