Browsing by Author "Genctoy, A."

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    High Grade Proteinuria as a Cardiovascular Risk Factor in Renal Transplant Recipients
    (2015) Guliyev, O.; Sayin, B.; Uyar, M. E.; Genctoy, A.; Sezer, S.; Bal, Z.; Demirci, B. G.; Haberal, M.; 0000-0001-8287-6572; 0000-0002-3462-7632; 0000-0002-5145-2280; 26036546; J-3707-2015; AAJ-8097-2021; AAZ-5795-2021; IAO-2608-2023; AAJ-5551-2021
    Background. Proteinuria is a marker of graft damage and is closely associated with a higher risk of morbidity, mortality, and cardiovascular disease in kidney transplant recipients (KTRs). Arterial stiffness is a well-known predictor of vascular calcification and systemic arteriosclerosis. In our study, we aimed to investigate. the association between proteinuria and graft/patient survival and to determine whether proteinuria may be a predictor for cardiovascular disease in our KTR population. Methods. Ninety KTRs (31 women; age, 38.7 +/- 11 years, with 45.9 +/- 9.6 months post-transplantation period) with normal graft functions in the 3 to 5 years of the post-transplantation period were enrolled. All patients were evaluated for their standard clinical (age, sex, and duration of hemodialysis) parameters. High-grade proteinuria was defined as proteinuria >500 mg/day in the 24-hour urine collection. All patients were evaluated by means of pulse-wave velocity (PWV) measurement at the initiation of the study. Results. Patients were divided into 2 groups: group 1 (high-grade proteinuria) patients with >= 500 mg/24 hours (n = 30) and group 2 (low-grade proteinuria) patients with <500 mg/24 hours (n = 60). High-grade proteinuria was correlated with higher PWV measurements and lower estimated glomerular filtration levels. Proteinuria appears to precede the elevation of serum creatinine and thus may be a useful marker of renal injury and may also be a contributing factor on deterioration of the graft. Conclusions. High-grade (>500 mg/day) proteinuria in KTRs is strongly associated with poor graft survival and increased risk of cardiovascular events. In our study, we proved the significant difference between high-grade and low-grade proteinuric patients, and we suggest 500 mg/day as the threshold of proteinuria in KTR population.