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875 results on '"Uyar, M"'

22. Self Organization for Area Coverage Maximization and Energy Conservation in Mobile Ad Hoc Networks

Author

Şahin, Cem Şafak, Uyar, M. Ümit, Gundry, Stephen, Urrea, Elkin, Hutchison, David, Series editor, Kanade, Takeo, Series editor, Kittler, Josef, Series editor, Kleinberg, Jon M., Series editor, Mattern, Friedemann, Series editor, Mitchell, John C., Series editor, Naor, Moni, Series editor, Nierstrasz, Oscar, Series editor, Pandu Rangan, C., Series editor, Steffen, Bernhard, Series editor, Sudan, Madhu, Series editor, Terzopoulos, Demetri, Series editor, Tygar, Doug, Series editor, Vardi, Moshe Y., Series editor, Weikum, Gerhard, Series editor, Gavrilova, Marina L., editor, Tan, C. J. Kenneth, editor, and Phan, Cong-Vinh, editor

Published
2012
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25. Markov Chain Models for Genetic Algorithm Based Topology Control in MANETs

Author

Şahin, Cem Şafak, Gundry, Stephen, Urrea, Elkin, Uyar, M. Ümit, Conner, Michael, Bertoli, Giorgio, Pizzo, Christian, Hutchison, David, editor, Kanade, Takeo, editor, Kittler, Josef, editor, Kleinberg, Jon M., editor, Mattern, Friedemann, editor, Mitchell, John C., editor, Naor, Moni, editor, Nierstrasz, Oscar, editor, Pandu Rangan, C., editor, Steffen, Bernhard, editor, Sudan, Madhu, editor, Terzopoulos, Demetri, editor, Tygar, Doug, editor, Vardi, Moshe Y., editor, Weikum, Gerhard, editor, Di Chio, Cecilia, editor, Brabazon, Anthony, editor, Di Caro, Gianni A., editor, Ebner, Marc, editor, Farooq, Muddassar, editor, Fink, Andreas, editor, Grahl, Jörn, editor, Greenfield, Gary, editor, Machado, Penousal, editor, O’Neill, Michael, editor, Tarantino, Ernesto, editor, and Urquhart, Neil, editor

Published
2010
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26. Specification of Timed EFSM Fault Models in SDL

Author

Batth, S. S., Vieira, E. R., Cavalli, A., Uyar, M. Ü., Hutchison, David, Series editor, Kanade, Takeo, Series editor, Kittler, Josef, Series editor, Kleinberg, Jon M., Series editor, Mattern, Friedemann, Series editor, Mitchell, John C., Series editor, Naor, Moni, Series editor, Nierstrasz, Oscar, Series editor, Pandu Rangan, C., Series editor, Steffen, Bernhard, Series editor, Sudan, Madhu, Series editor, Terzopoulos, Demetri, Series editor, Tygar, Doug, Series editor, Vardi, Moshe Y., Series editor, Weikum, Gerhard, Series editor, Derrick, John, editor, and Vain, Jüri, editor

Published
2007
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27. Network Planning for Multicast Using Partitioned Virtual User Domains

Author

Ma, Xuezhou, Cevher, Selcuk, Uyar, M. Umit, Fecko, Mariusz, Sucec, John, Samtani, Sunil, Hutchison, David, Series editor, Kanade, Takeo, Series editor, Kittler, Josef, Series editor, Kleinberg, Jon M., Series editor, Mattern, Friedemann, Series editor, Mitchell, John C., Series editor, Naor, Moni, Series editor, Nierstrasz, Oscar, Series editor, Pandu Rangan, C., Series editor, Steffen, Bernhard, Series editor, Sudan, Madhu, Series editor, Terzopoulos, Demetri, Series editor, Tygar, Doug, Series editor, Vardi, Moshe Y., Series editor, Weikum, Gerhard, Series editor, Krishnaswamy, Dilip, editor, Pfeifer, Tom, editor, and Raz, Danny, editor

Published
2007
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28. Impact of pre-test information on patient compliance with the spirometry protocol: a randomized controlled clinical trial.

Author

DOGRU, S., AYTAC, S., HAITHAMY, S. A. A., OVAYOLU, O., SEZGI, C., TAYLAN, M., and UYAR, M.

Abstract

OBJECTIVE: This study evaluated the effect of brochure-based and video-assisted information provided before spirometry on patient compliance. PATIENTS AND METHODS: This was a randomized controlled clinical trial. Before the test, subjects in intervention groups were shown a leaflet outlining the steps of the spirometry protocol and a video prepared for the same purposes. The control group was given standard routine information by the technician before spirometry. RESULTS: The study included 450 patients. We found a significant correlation between compliance status and age, female sex, being a non-smoker, having no known lung disease, investigating respiratory disease as an indication for spirometry, having first-time spirometry, and receiving pre-test information via leaflets. Variables of age, sex, smoking, indication for spirometry, diagnosis, and previous spirometry, which were found in multivariate analysis to be associated with 'compliance with the test protocol' were further processed using regression analysis which identified 'previous spirometry' as the most decisive variable affecting 'compliance with the test protocol'. CONCLUSIONS: Providing information via brochure-based and video-supported information did not contribute to compliance with the testing protocol, leading us to the conclusion that such informative tools do not provide an additional contribution. Previous spirometry experience was the most decisive parameter influencing adherence to the test protocol. [ABSTRACT FROM AUTHOR]

Published
2023

29. Timing Fault Models for Systems with Multiple Timers

Author

Uyar, M. Ümit, Wang, Yu, Batth, Samrat S., Wise, Adriana, Fecko, M. A., Hutchison, David, Series editor, Kanade, Takeo, Series editor, Kittler, Josef, Series editor, Kleinberg, Jon M., Series editor, Mattern, Friedemann, Series editor, Mitchell, John C., Series editor, Naor, Moni, Series editor, Nierstrasz, Oscar, Series editor, Pandu Rangan, C., Series editor, Steffen, Bernhard, Series editor, Sudan, Madhu, Series editor, Terzopoulos, Demetri, Series editor, Tygar, Dough, Series editor, Vardi, Moshe Y., Series editor, Weikum, Gerhard, Series editor, Khendek, Ferhat, editor, and Dssouli, Rachida, editor

Published
2005
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41. COVID-19 in kidney transplant recipients: a multicenter experience from the first two waves of pandemic

Author

Yelken, Berna; Türkmen, Aydın, Demir, E.; Uçar, Z.A.; Dheir, H.; Danis, R.; Uyar, M.; Parmaksız, E.; Artan, A.S.; Sinangil, A.; Merhametsiz, O.; Yadigar, S.; Dirim, A.B.; Akın, B.; Garayeva, N.; Şafak, S., Koç University Hospital, Yelken, Berna; Türkmen, Aydın, Demir, E.; Uçar, Z.A.; Dheir, H.; Danis, R.; Uyar, M.; Parmaksız, E.; Artan, A.S.; Sinangil, A.; Merhametsiz, O.; Yadigar, S.; Dirim, A.B.; Akın, B.; Garayeva, N.; Şafak, S., and Koç University Hospital

Abstract

Background: kidney transplant recipients have an increased risk of complications from COVID-19. However, data on the risk of allograft damage or death in kidney transplant recipients recovering from COVID-19 is limited. In addition, the first and second waves of the pandemic occurred at different times all over the world. In Turkey, the Health Minister confirmed the first case in March 2020; after that, the first wave occurred between March and August 2020; afterward, the second wave began in September 2020. This study aims to demonstrate the clinical presentations of kidney transplant recipients in the first two waves of the pandemic in Turkey and explore the impact of COVID-19 on clinical outcomes after the initial episode. Methods: patients with COVID-19 from seven centers were included in this retrospective cohort study. Initially, four hundred and eighty-eight kidney transplant recipients diagnosed with COVID-19 between 1 March 2020 to 28 February 2021 were enrolled. The endpoints were the occurrence of all-cause mortality, acute kidney injury, cytokine storm, and acute respiratory distress syndrome. In addition, longer-term outcomes such as mortality, need for dialysis, and allograft function of the surviving patients was analyzed. Result: four hundred seventy-five patients were followed up for a median of 132 days after COVID-19. Forty-seven patients (9.9%) died after a median length of hospitalization of 15 days. Although the mortality rate (10.1% vs. 9.8%) and intensive care unit admission (14.5% vs. 14.5%) were similar in the first two waves, hospitalization (68.8% vs. 29.7%; p < 0.001), acute kidney injury (44.2% vs. 31.8%; p = 0.009), acute respiratory distress syndrome (18.8% vs. 16%; p = 0.456), and cytokine storm rate (15.9% vs. 10.1%; p = 0.072) were higher in first wave compared to the second wave. These 47 patients died within the first month of COVID-19. Six (1.4%) of the surviving patients lost allografts during treatment. There was no difference, NA

Published
2022

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