Browsing by Author "Ozdemir, Aydan"

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    Heterogeneity in the Determinants of Length of Stay Across Middle Age and Senior Age Groups in Thermal Tourism
    (2018) Esiyok, Bulent; Kurtulmusoglu, Feride Bahar; Ozdemir, Aydan; 0000-0001-7469-5309; HTR-6588-2023; ABH-7372-2020
    Water has been seen as a healing source of life for centuries. Even the placebo effect of thermal therapies increases consumers' well-being. Especially with easy traveling options demand for thermal therapies are on the rise. Users of thermal therapies are mostly composed of seniors. Even though age groups in the senior market have heterogeneous needs, managers assume them to be homogenous. Measuring thermal tourism demand by the length of stay, this study analyzed the determinants affecting the length of stay of older thermal tourists. The length of stay is predicted to have been affected by age, purchasing power, physical distance, and seasonal preferences. Even though all of the above have an effect on the length of stay, we find that age is the main determinant deciding the duration. These results may serve as a starting point for policymakers and tourism managers to tailor strategies to increase income streams associated with length of stay.
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    Over 5 Years of Excellent Graft Kidney Function Determinants: Baskent University Experience
    (2019) Sayin, Burak; Ozdemir, Aydan; Soy, Ebru H. Ayvazoglu; Kirnap, Mahir; Akdur, Aydincan; Moray, Gokhan; Haberal, Mehmet; https://orcid.org/0000-0001-8287-6572; https://orcid.org/0000-0002-0993-9917; https://orcid.org/0000-0002-8726-3369; https://orcid.org/0000-0003-2498-7287; https://orcid.org/0000-0002-3462-7632; 30777527; J-3707-2015; ABH-7372-2020; AAC-5566-2019; AAH-9198-2019; AAA-3068-2021; AAE-1041-2021; AAJ-8097-2021
    Objectives: Kidney graft survival may be evaluated according to the duration of time with a functioning graft. Survival alone may not satisfy expectations of a successful kidney transplant if the graft kidney does not show excellent function. In our study, we analyzed the characteristics of kidney transplant recipients who showed excellent graft function after 5 to 10 years of follow-up in an aim to improve graft survival and to ensure the best kidney function in the long term. Materials and Methods: We retrospectively evaluated graft function and demographic characteristics of 288 patients who underwent kidney transplant between January 2008 and December 2012. Results: We found that 149 patients (51.7%) had excellent graft function, 88 patients (30.5%) had a functioning graft with a glomerular filtration rate lower than 60 mL/min and/or had signs of graft kidney dysfunction, and 45 patients (15.6%) experienced graft loss. Of 288 kidney transplant recipients enrolled in the study, most were male (56%), and mean age was 30.47 +/- 14.36 years at time of transplant. Median time on dialysis was 39.09 +/- 59.30 months. The overall graft survival rate in the patient group was 82.2% after 5 to 10 years of follow-up. Multivariate analysis showed that excellent graft survival predictors beyond 5 years were negative panel reactive antibody levels, lower donor age, shorter duration on dialysis, absence of acute rejection episodes, 3 or less HLA mismatches, lower immunosuppressive levels, and lower recipient age at transplant. Conclusions: Lower panel reactive antibody levels, lower donor age, shorter duration on dialysis, absence of acute rejection episodes, 3 or less HLA mismatches, and lower recipient age at transplant are major determinants of excellent graft survival in our kidney transplant recipients.
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    Social and psychological impacts of having a child with liver transplant
    (2019) Soy, Ebru H. Ayvazoglu; Ozdemir, Aydan; Baris, Zeren; Moray, Gokhan; Haberal, Mehmet; http://orcid.org/0000-0002-0993-9917; AAB-4153-2020; AAC-5566-2019