Search

Your search keyword '"Yi-qun Lin"' showing total 6 results
Start Over Author "Yi-qun Lin" Search Limiters Available in Library Collection
6 results on '"Yi-qun Lin"'

1. Radiomic profiling of clear cell renal cell carcinoma reveals subtypes with distinct prognoses and molecular pathways

Author

Peng Lin, Yi-qun Lin, Rui-zhi Gao, Rong Wen, Hui Qin, Yun He, and Hong Yang

Subjects
Clear cell renal cell carcinoma, Radiomics, Computed tomography, Genomics, Neoplasms. Tumors. Oncology. Including cancer and carcinogens, RC254-282
Abstract

Background: To identify radiomic subtypes of clear cell renal cell carcinoma (ccRCC) patients with distinct clinical significance and molecular characteristics reflective of the heterogeneity of ccRCC. Methods: Quantitative radiomic features of ccRCC were extracted from preoperative CT images of 160 ccRCC patients. Unsupervised consensus cluster analysis was performed to identify robust radiomic subtypes based on these features. The Kaplan–Meier method and chi-square test were used to assess the different clinicopathological characteristics and gene mutations among the radiomic subtypes. Subtype-specific marker genes were identified, and gene set enrichment analyses were performed to reveal the specific molecular characteristics of each subtype. Moreover, a gene expression-based classifier of radiomic subtypes was developed using the random forest algorithm and tested in another independent cohort (n = 101). Results: Radiomic profiling revealed three ccRCC subtypes with distinct clinicopathological features and prognoses. VHL, MUC16, FBN2, and FLG were found to have different mutation frequencies in these radiomic subtypes. In addition, transcriptome analysis revealed that the dysregulation of cell cycle-related pathways may be responsible for the distinct clinical significance of the obtained subtypes. The prognostic value of the radiomic subtypes was further validated in another independent cohort (log-rank P = 0.015). Conclusion: In the present multi-scale radiogenomic analysis of ccRCC, radiomics played a central role. Radiomic subtypes could help discern genomic alterations and non-invasively stratify ccRCC patients.

Published
2021
Full Text
View/download PDF

2. World Congress Integrative Medicine & Health 2017: part two

Author

Carolyn Ee, Sharmala Thuraisingam, Marie Pirotta, Simon French, Charlie Xue, Helena Teede, Agnete E. Kristoffersen, Fuschia Sirois, Trine Stub, Jennifer Engler, Stefanie Joos, Corina Güthlin, Jennifer Felenda, Christiane Beckmann, Florian Stintzing, Roni Evans, Gert Bronfort, Daniel Keefe, Anna Taberko, Linda Hanson, Alex Haley, Haiwei Ma, Joseph Jolton, Lana Yarosh, Francis Keefe, Jung Nam, Liwanag Ojala, Mary J. Kreitzer, Careen Fink, Karin Kraft, Andrew Flower, George Lewith, Kim Harman, Beth Stuart, Felicity L. Bishop, Jane Frawley, Lilla Füleki, Eva Kiss, Tamas Vancsik, Tibor Krenacs, Martha Funabashi, Katherine A. Pohlman, Silvano Mior, Haymo Thiel, Michael D. Hill, David J. Cassidy, Michael Westaway, Jerome Yager, Eric Hurwitz, Gregory N. Kawchuk, Maeve O’Beirne, Sunita Vohra, Isabelle Gaboury, Chantal Morin, Katharina Gaertner, Loredana Torchetti, Martin Frei-Erb, Michael Kundi, Michael Frass, Eugenia Gallo, Valentina Maggini, Mattia Comite, Francesco Sofi, Sonia Baccetti, Alfredo Vannacci, Mariella Di Stefano, Maria V. Monechi, Luigi Gori, Elio Rossi, Fabio Firenzuoli, Rocco D. Mediati, Giovanna Ballerini, Paula Gardiner, Anna S. Lestoquoy, Lily Negash, Sarah Stillman, Prachi Shah, Jane Liebschutz, Pamela Adelstein, Christine Farrell-Riley, Ivy Brackup, Brian Penti, Robert Saper, Isabel Giralt Sampedro, Gilda Carvajal, Andreas Gleiss, Marie M. Gross, Dorothea Brendlin, Jonas Röttger, Wiebke Stritter, Georg Seifert, Noelle Grzanna, Rainer Stange, Peter W. Guendling, Wen Gu, Yan Lu, Jie Wang, Chengcheng Zhang, Hua Bai, Yuxi He, Xiaoxu Zhang, Zhengju Zhang, Dali Wang, Fengxian Meng, Alexander Hagel, Heinz Albrecht, Claudia Vollbracht, Wolfgang Dauth, Wolfgang Hagel, Francesco Vitali, Ingo Ganzleben, Hans Schultis, Peter Konturek, Jürgen Stein, Markus Neurath, Martin Raithel, Bianka Krick, Heidemarie Haller, Petra Klose, Gustav Dobos, Sherko Kümmel, Holger Cramer, Felix J. Saha, Anna Kowoll, Barbara Ebner, Bettina Berger, Kyung-Eun Choi, Lisha He, Han Wang, X. He, C. Gu, Y. Zhang, Linhua Zhao, Xiaolin Tong, Xinhui He, Chengjuan Gu, Ying Zhang, Robin S. T. Ho, Vincent C. H. Chung, Xinyin Wu, Charlene H. L. Wong, Justin C. Y. Wu, Samuel Y. S. Wong, Alexander Y. L. Lau, Regina W. S. Sit, Wendy Wong, Michelle Holmes, Felicity Bishop, Lynn Calman, Dave Newell, Jonathan Field, Win L. Htut, Dongwoon Han, Da I. Choi, Soo J. Choi, Ha Y. Kim, Jung H. Hwang, Ching W. Huang, Bo H. Jang, Fang P. Chen, Seong G. Ko, Wenjing Huang, De Jin, Fengmei Lian, Soobin Jang, Kyeong H. Kim, Eun K. Lee, Seung H. Sun, Ho Y. Go, Youme Ko, Sunju Park, Yong C. Shin, Hubert Janik, Natalie Greiffenhagen, Jürgen Bolte, Mariusz Jaworski, Miroslawa Adamus, Aleksandra Dobrzynska, Michael Jeitler, Jessica Jaspers, Christel von Scheidt, Barbara Koch, Andreas Michalsen, Nico Steckhan, Christian Kessler, Wen-jing Huang, Bing Pang, Feng-Mei Lian, Miek Jong, Erik Baars, Anja Glockmann, Harald Hamre, Mosaburo Kainuma, Aya Murakami, Toshio Kubota, Daisuke Kobayashi, Yasuhiro Sumoto, Norihiro Furusyo, Shin-Ichi Ando, Takao Shimazoe, Olaf Kelber, S. Verjee, Eva Gorgus, Dieter Schrenk, Kathi Kemper, Ellie Hill, Nisha Rao, Gregg Gascon, John Mahan, Gunver Kienle, Jörg Dietrich, Claudia Schmoor, Roman Huber, Weon H. Kim, Mansoor Ahmed, Luzhu He, Jung Hye Hwang, Nora Meggyeshazi, Csaba Kovago, Anne K. Klaus, Roland Zerm, Danilo Pranga, Thomas Ostermann, Marcus Reif, Hans Broder von Laue, Benno Brinkhaus, Matthias Kröz, Daniela Rodrigues Recchia, Hans B. von Laue, Christien T. Klein-Laansma, Mats Jong, Cornelia von Hagens, Jean P. Jansen, Herman van Wietmarschen, Miek C. Jong, Seung-Ho Sun, Ho-Yeon Go, Chan-Yong Jeon, Yun-Kyung Song, Seong-Gyu Ko, Anna K. Koch, Sybille Rabsilber, Romy Lauche, Jost Langhorst, Milena Trifunovic-Koenig, Evi Koster, Diana Delnoij, Lena Kroll, Kathrin Weiss, Ai Kubo, Sarah Hendlish, Andrea Altschuler, Nancy Connolly, Andy Avins, Jon Wardle, David Lee, David Sibbritt, Jon Adams, Crystal Park, Gita Mishra, Johann Lechner, Inseon Lee, Younbyoung Chae, Jisu Lee, Seung H. Cho, Yujin Choi, Jee Y. Lee, Han S. Ryu, Sung S. Yoon, Hye K. Oh, Lyun K. Hyun, Jin O. Kim, Seong W. Yoon, Ju-Yeon Lee, Sang-Hoon Shin, Min Jang, Indra Müller, So-Hyun Janson Park, Lance Laird, Suzanne Mitchell, Xiaofei Li, Yunhui Wang, Jianhua Zhen, He Yu, Tiegang Liu, Xiaohong Gu, Hui Liu, Weiguo Ma, Xuezheng Shang, Yu Bai, Wei Liu, Collin Rooney, Amos Smith, Shirlene Lopes, Marcelo Demarzo, Maria do Patrocínio Nunes, Peter Lorenz, Carsten Gründemann, Miriam Heinrich, Manuel Garcia-Käufer, Franziska Grunewald, Silke Messerschmidt, Anja Herrick, Kim Gruber, Matthias Knödler, Carmen Steinborn, Taoying Lu, Lixin Wang, Darong Wu, Christina M Luberto, Daniel L. Hall, Emma Chad-Friedman, Suzanne Lechner, Elyse R. Park, Christina M. Luberto, Elyse Park, Janice Goodman, Sonja Luer, Matthias Heri, Klaus von Ammon, Ida Landini, Andrea Lapucci, Stefania Nobili, Enrico Mini, Clare McDermott, Selwyn Richards, Diane Cox, Sarah Frossell, Geraldine Leydon, Caroline Eyles, Hilly Raphael, Rachael Rogers, Michelle Selby, Charlotte Adler, Jo Allam, Xiangwei Bu, Honghong Zhang, Jianpeng Zhang, Michael Mikolasek, Jonas Berg, Claudia Witt, Jürgen Barth, Ivan Miskulin, Zdenka Lalic, Maja Miskulin, Albina Dumic, Damir Sebo, Aleksandar Vcev, Nasr A. A. Mohammed, Soo Jeung Choi, Hyea Bin Im, Anwesha Mukherjee, Amit Kandhare, Subhash Bodhankar, Prasad Thakurdesai, Niki Munk, Erica Evans, Amanda Froman, Matthew Kline, Matthew J. Bair, Frauke Musial, Terje Alræk, Harald J. Hamre, Lars Björkman, Vinjar M. Fønnebø, Feng-mei Lian, Qing Ni, Xiao-lin Tong, Xin-long Li, Wen-ke Liu, Shuo Feng, Xi-yan Zhao, Yu-jiao Zheng, Xue-min Zhao, Yi-qun Lin, Tian-yu Zhao, Xi-Yan Zhao, Hui Che Phd, Chen Zhang, Feng Liu, Lin-hua Zhao, Ru Ye, Cheng-juan Gu, Wenbo Peng, Diana De Carvalho, Mohamed El-Bayoumi, Bob Haig, Kimbalin Kelly, Darrell J. Wade, Emanuela Portalupi, Giampietro Gobo, Luigi Bellavita, Chiara Guglielmetti, Christa Raak, Myriam Teuber, Friedrich Molsberger, Ulrich von Rath, Ulrike Reichelt, Uta Schwanebeck, Sabine Zeil, Christian Vogelberg, Dolores Rodríguez Veintimilla, Guerrero Tapia Mery, Marisol Maldonado Villavicencio, Sandra Herrera Moran, Christian Sachse, Peter W Gündlin, Monirsadat Sahebkarkhorasani, Hoda Azizi, Dania Schumann, Tobias Sundberg, Matthew J. Leach, Susana Seca, Henry Greten, Sugir Selliah, Anu Shakya, Ha Yun Kim, Hyea B. Im, Anna Sherbakova, Gudrun Ulrich-Merzenich, Heba Abdel-Aziz, Erica Sibinga, Lindsey Webb, Jonathan Ellen, Kari Skrautvol, Dagfinn Nåden, Rhayun Song, Weronika Grabowska, Kamila Osypiuk, Gloria V. Diaz, Paolo Bonato, Moonkyoung Park, Jeffrey Hausdorff, Michael Fox, Lewis R. Sudarsky, Daniel Tarsy, James Novakowski, Eric A. Macklin, Peter M. Wayne, Inok Hwang, Sukhee Ahn, Myung-Ah Lee, Min K. Sohn, Oleg Sorokin, Dagmar Heydeck, Astrid Borchert, Christoph-Daniel Hohmann, Harmut Kühn, Clemens Kirschbaum, Tobias Stalder, Barbara Stöckigt, Michael Teut, Ralf Suhr, Daniela Sulmann, Chris Streeter, Patrica Gerbarg, Marisa Silveri, Richard Brown, John Jensen, Britta Rutert, Angelika Eggert, Alfred Längler, Christine Holmberg, Jin Sun, Xin Deng, Wen-Yuan Li, Bin Wen, Nicola Robinson, Jian-Ping Liu, Hyun K. Sung, Narae Yang, Seon M. Shin, Hee Jung, Young J. Kim, Woo S. Jung, Tae Y. Park, Kiyoshi Suzuki, Toshinori Ito, Seiya Uchida, Seika Kamohara, Naoya Ono, Mitsuyuki Takamura, Ayumu Yokochi, Kazuo Maruyama, Patricio Tapia, Katarzyna Thabaut, Anja Thronicke, Megan Steele, Harald Matthes, Cornelia Herbstreit, Friedemann Schad, Jiaxing Tian, Libo Yang, Tian Tian, Hewei Zhang, Xia Tian, CongCong Wang, Qian Yun Chai, Lijuan Zhang, Ruyu Xia, Na Huang, Yutong Fei, Jianpin Liu, Natalie Trent, Mindy Miraglia, Jeffrey Dusek, Edi Pasalis, Sat B. Khalsa, Milena Trifunovic-König, Anna Koch, Lisa Uebelacker, Geoffrey Tremont, Lee Gillette, Gary Epstein-Lubow, David Strong, Ana Abrantes, Audrey Tyrka, Tanya Tran, Brandon Gaudiano, Ivan Miller, Gerhild Ullmann, Yuhua Li, Sujata Vaidya, Vinod Marathe, Ana C. Vale, Jacquelyne Motta, Fabíola Donadão, Angela C. Valente, Luana C. Carvalho Valente, Ricardo Ghelman, Dusan Vesovic, Dragan Jevdic, Aleksandar Jevdic, Katarina Jevdic, Mihael Djacic, Dragica Letic, Drago Bozic, Marija Markovic, Slobodan Dunjic, Gordana Ruscuklic, Dezire Baksa, Kenan Vrca, Ann Vincent, Dietlind Wahner-Roedler, Mary Whipple, Maria M. Vogelius, Iris Friesecke, Peter W. Gündling, Saswati Mahapatra, Rebecca Hynes, Kimberly Van Rooy, Sherry Looker, Aditya Ghosh, Brent Bauer, Susanne Cutshall, Harald Walach, Ana Borges Flores, Michael Ofner, Andreas Kastner, Gerhard Schwarzl, Hermann Schwameder, Nathalie Alexander, Gerda Strutzenberger, Xianwei Bu, Jianping Zhang, Shang Wang, Jinfeng Shi, Yu Hao, Jun Wu, Zeji Qiu, Yuh-Hai Wang, Chi-Jung Lou, Sam Watts, Peter Wayne, Gloria Vergara-Diaz, Brian Gow, Jose Miranda, Lewis Sudarsky, Eric Macklin, Kathrin Wode, Jenny Bergqvist, Britt-Marie Bernhardsson, Johanna Hök Nordberg, Lena Sharp, Roger Henriksson, Yeonju Woo, Min K. Hyun, Hao Wu, Tian-Fang Wang, Yan Zhao, Yu Wei, Lei Tian, Lei He, Xue Wang, Ruohan Wu, Mei Han, Patrina H. Y. Caldwell, Shigang Liu, Jing Zhang, Jianping Liu, Qianyun Chai, Zhongning Guo, Congcong Wang, Zhijun Liu, Xun Li, I. J. Yang, V. Ruberio Lincha, S. H. Ahn, D. U. Lee, H. M. Shin, Lu Yang, N. Yang, H. Sung, S. M. Shin, H. Y. Go, H. Jung, Y. Kim, T. Y. Park, Angela Yap, Yu H. Kwan, Chuen S. Tan, Syed Ibrahim, Seng B. Ang, Alfred Yayi, Jeong E. Yoo, Ho R. Yoo, Sae B. Jang, Hye L. Lee, Ala’a Youssef, Shahira Ezzat, Amira Abdel Motaal, Hesham El-Askary, Xiaotong Yu, Yashan Cui, Younghee Yun, Jin-Hyang Ahn, Bo-Hyung Jang, Kyu-Seok Kim, Inhwa Choi, Augustina Glinz, Fadime ten Brink, Arnd Büssing, Christoph Gutenbrunner, Bert Helbrecht, Tiesheng Fang, Fengxion Meng, Zhiming Shen, Ruixin Zhang, Fan Wu, Ming Li, Xinyun Xuan, Xueyong Shen, Ke Ren, Brian Berman, Zian Zheng, Yuxiang Wan, Xueyan Ma, Fei Dong, Suzie Zick, Richard Harris, Go E. Bae, Jung N. Kwon, Hye Y. Lee, Jong K. Nam, Sang D. Lee, Dong H. Lee, Ji Y. Han, Young J. Yun, Ji H. Lee, Hye L. Park, Seong H. Park, Chiara Bocci, Giovanni B. Ivaldi, Ilaria Vietti, Ilaria Meaglia, Marta Guffi, Rubina Ruggiero, Marita Gualea, Emanuela Longa, Massimo Bonucci, Sarah Croke, Lourdes Diaz Rodriguez, Juan C. Caracuel-Martínez, Manuel F. Fajardo-Rodríguez, Angélica Ariza-García, Francisca García-De la Fuente, Manuel Arroyo-Morales, Maria S. Estrems, Vicente G. Gómez, Mónica Valero Sabater, Rosaria Ferreri, Simonetta Bernardini, Roberto Pulcri, Franco Cracolici, Massimo Rinaldi, Claudio Porciani, Peter Fisher, John Hughes, Ariadna Mendoza, Hugh MacPherson, Jacqueline Filshie, Antonia Di Francesco, Alberto Bernardini, Monica Messe, Vincenzo Primitivo, Piera A. Iasella, Monica Taminato, Jaqueline Do Carmo Alcantara, Katia R. De Oliveira, Debora C. De Azevedo Rodrigues, Juliana R. Campana Mumme, Olga K. Matsumoto Sunakozawa, Vicente Odone Filho, Joshua Goldenberg, Andrew Day, Masa Sasagawa, Lesley Ward, Kieran Cooley, Thora Gunnarsdottir, Ingibjorg Hjaltadottir, Mahdie Hajimonfarednejad, Nicole Hannan, Rut Hellsing, Susanne Andermo, Maria Arman, Iris von Hörsten, Patricia Vásquez Torrielo, Carmen L. Andrade Vilaró, Francisco Cerda Cabrera, Henny Hui, Eric Ziea, Dora Tsui, Joyce Hsieh, Christine Lam, Edith Chan, Mark P. Jensen, Samuel L. Battalio, Joy Chan, Karlyn A. Edwards, Kevin J. Gertz, Melissa A. Day, Leslie H. Sherlin, Dawn M. Ehde, Bo-Hyoung Jang, Anja Börner, Jihong Lee, Boram Lee, Gyu T. Chang, Alejandra Menassa, Yoshiharu Motoo, Jürgen Müller, Sabine Rabini, Bettina Vinson, Martin Storr, Martin Niemeijer, Joop Hoekman, Wied Ruijssenaaars, Faith C. Njoku, Arne J. Norheim, Filiz Okumus, and Halime Oncu-Celik

Subjects
Other systems of medicine, RZ201-999
Published
2017
Full Text
View/download PDF

3. Radiomic profiling of clear cell renal cell carcinoma reveals subtypes with distinct prognoses and molecular pathways

Author

Yun He, Hui Qin, Rong Wen, Hong Yang, Peng Lin, Yi-qun Lin, and Rui-Zhi Gao

Subjects
0301 basic medicine, Oncology, Clear cell renal cell carcinoma, Cancer Research, medicine.medical_specialty, CDF, cumulative distribution function, ROI, region of interest, Genomics, Computed tomography, Biology, Gene mutation, Transcriptome, OS, overall survival, 03 medical and health sciences, 0302 clinical medicine, Radiomics, GSEA, gene set enrichment analysis, Internal medicine, medicine, CcRCC, Clear cell renal cell carcinoma, Clinical significance, K–M, Kaplan–Meier, PFI, progression-free interval, RC254-282, Original Research, CT, Computer Tomography, LASSO, least absolute shrinkage and selection operator, medicine.diagnostic_test, Neoplasms. Tumors. Oncology. Including cancer and carcinogens, medicine.disease, 030104 developmental biology, 030220 oncology & carcinogenesis, Clinicopathological features, TCGA, The Cancer Genome Atlas
Abstract

Highlights • Radiomics profile of clear cell renal cell carcinoma is heterogeneity. • Multi-scale Radiogenomics could link molecular features and images. • Radiomic subtypes could be used for risk stratification., Background To identify radiomic subtypes of clear cell renal cell carcinoma (ccRCC) patients with distinct clinical significance and molecular characteristics reflective of the heterogeneity of ccRCC. Methods Quantitative radiomic features of ccRCC were extracted from preoperative CT images of 160 ccRCC patients. Unsupervised consensus cluster analysis was performed to identify robust radiomic subtypes based on these features. The Kaplan–Meier method and chi-square test were used to assess the different clinicopathological characteristics and gene mutations among the radiomic subtypes. Subtype-specific marker genes were identified, and gene set enrichment analyses were performed to reveal the specific molecular characteristics of each subtype. Moreover, a gene expression-based classifier of radiomic subtypes was developed using the random forest algorithm and tested in another independent cohort (n = 101). Results Radiomic profiling revealed three ccRCC subtypes with distinct clinicopathological features and prognoses. VHL, MUC16, FBN2, and FLG were found to have different mutation frequencies in these radiomic subtypes. In addition, transcriptome analysis revealed that the dysregulation of cell cycle-related pathways may be responsible for the distinct clinical significance of the obtained subtypes. The prognostic value of the radiomic subtypes was further validated in another independent cohort (log-rank P = 0.015). Conclusion In the present multi-scale radiogenomic analysis of ccRCC, radiomics played a central role. Radiomic subtypes could help discern genomic alterations and non-invasively stratify ccRCC patients.

Published
2021

4. Linear Birefringence and Dichroism Measurements for Silica Coated Iron Oxide Ferrofluids

Author

Meng-Zhe Lee, Yi-Qun Lin, Jing-Fung Lin, and Jer-Jia Sheu

Subjects
Materials science, Aqueous solution, Analytical chemistry, Iron oxide, Dichroism, Electronic, Optical and Magnetic Materials, Tetraethyl orthosilicate, Solvent, chemistry.chemical_compound, Nuclear magnetic resonance, Distilled water, chemistry, Surface-area-to-volume ratio, Magnetic nanoparticles, Electrical and Electronic Engineering
Abstract

The core-shell structural SiO2/Fe3O4 nanocomposites were prepared via hydrolysis and condensation of tetraethyl orthosilicate (TEOS) by using iron oxide nanoparticles as seeds in a 2-propanol/distilled water mixed solvent using ammonia as catalyst. The water-based ferrofluid (FF) as 0.3 ml EMG 304 was adopted as the seed. The effects of ammonia aqueous amount, volume ratio of 2-propanol/distilled water, TEOS amount, and reaction time on size and dispersibilty are investigated via transmission electron microscope and X-ray diffraction. Further, the linear birefringence and dichroism measurements of silica coated FF were investigated by a Stokes polarimeter. Results indicated that the appropriate reaction parameters including volume ratio of 2-propanol/distilled water of 5:1, ammonia solution volume of 0.5 ml, TEOS amount of 50 mg, and mechanical stirring of 1000 r/min for 3 h were found to obtain large retardance and low dichroism.

Published
2014
Full Text
View/download PDF

5. Effects of Tongmai oral liquid in femoral ateriovenous fistula

Author

Pei-Ling Su, Nizhi Yang, Wei Mao, Xi-Na Jie, Yi-Qun Lin, Han-guo Peng, Guan-Su Wang, Wen-Jia Geng, and Kun Bao

Subjects
Male, medicine.medical_specialty, medicine.medical_treatment, Fistula, Arteriovenous fistula, Femoral artery, Stoma (medicine), Early fistula maturation, medicine.artery, Animals, Medicine, Vein, business.industry, General Medicine, medicine.disease, Thrombosis, Surgery, Femoral Artery, medicine.anatomical_structure, Complementary and alternative medicine, Regional Blood Flow, Hemodialysis, Arteriovenous Fistula, Female, Rabbits, business, Research Article, Tongmai oral liquid, Drugs, Chinese Herbal, Artery
Abstract

Background This study was conducted to investigate the protective effect of Tongmai oral liquid on arteriovenous fistula function and to provide an effective method to promote fistula maturation. Methods Fifteen female and fifteen male SPF New Zealand rabbits were randomly allocated into 3 groups including control, Aspirin and Tongmai oral liquid groups. A side-to-side femoral arteriovenous fistula was established in each rabbit and then animals were treated with Aspirin or Tongmai oral liquid for 2 weeks. The concentrations of circulating ET-1 and NO were determined before and after operation (on preoperative day, operative day, post-D1, post-D3, post-D7 and post-D15), respectively. Blood flow of the fistula stoma and contralateral artery and vein was determined on the 15th postoperative day. Last, the fistula stoma was dissected to observe patency, thrombosis and adhesion with surrounding tissues. Results 28 rabbits survived during the surgical process and the following 15-day observational period. Tissue adhesion of arteriovenous fistula with surrounding tissues was improved and fistula thrombosis was reduced by treatment with Tongmai oral liquid. NO concentration decreased to a different extent after vascular surgery. Tongmai oral liquid failed to regulate the equilibrium between NO and ET-1, but it improved blood flow of fistula stoma, as compared to control and Aspirin groups. Blood flow of fistula stoma in the three groups was lower than that of the contralateral femoral artery. Conclusions Tongmai oral liquid improved the function of femoral ateriovenous fistula in the rabbit model by increasing blood flow and reducing thrombosis, probably not by regulating the dynamic equilibrium between NO and ET-1.

Published
2015
Full Text
View/download PDF

6. [Simulation and experimental study of cone artifact in spiral CT]

Author

Yi-qun, Lin, Ke-cheng, Yang, and Xiao-e, Yu

Subjects
Phantoms, Imaging, Image Processing, Computer-Assisted, Computer Simulation, Models, Theoretical, Artifacts, Tomography, Spiral Computed, Algorithms
Abstract

To study regular patterns of cone artifact resulted from interpolation algorithm of spiral CT.Based on the principle of interpolation algorithm and back-projection reconstruction, a mathematical model of the reconstructed image was established to clarify the relation of the scanning parameters and the characteristics of the scanned object with the cone artifact. Experiments were carried out by a set of acrylic phantoms on siemens plus 4 CT scanners.The artifact in the image was directly proportional to the table increment per gantry rotation of the scanner, and was positively correlated to the tangent of half cone-angle and inversely to the radii in the reconstruction plane of the phantom. The theoretical analysis was validated by experimental results.The cone artifact is related to the scanning parameters and the characteristics of the scanned object.

Published
2006

Catalog

Books, media, physical & digital resources
See catalog results