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Saudi Journal of Kidney Diseases and Transplantation
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ORIGINAL ARTICLE Table of Contents   
Year : 2021  |  Volume : 32  |  Issue : 6  |  Page : 1664-1670
Determination of Serum Perfluorooctanoic Acid and Perfluorooctanesulfonic Acid Levels with Different Stages of Chronic Kidney Disease

1 Department of Molecular Biochemistry and Genetics, Faculty of Medicine, Hatay Mustafa, Turkey
2 Department of Chemistry, Hatay Mustafa Kemal University, Science and Letters Faculty, Turkey
3 Department of Altinozu Agricultural Sciences, Vocational School of Higher Education/Food Technology, Turkey
4 Department of Nephrology, Faculty of Medicine, Hatay Mustafa Kemal University, Hatay, Turkey

Correspondence Address:
Huseyin Erdal
Department of Molecular Biochemistry and Genetics, Faculty of Medicine, Hatay Mustafa
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/1319-2442.352427

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The aim of this study is to investigate the perfluorooctanoic acid (PFOA) and perfluorooctanesulfonic acid (PFOS) levels in patients with different stages of chronic kidney disease (CKD). Sixty-one CKD stage 1–4 patients who applied to the nephrology outpatient clinic were recruited. A control group consisting of 26 age- and sex-matched healthy controls were also included in the study. Concentrations of PFOA and PFOS were determined by comparing their peak areas with their standard curves. All samples were analyzed three times. The average values of blank samples were subtracted from the detected PFOA and PFOS values. PFOA and PFOS levels were significantly higher in CKD group than the controls (11.4 ± 7.47, 0.45 ± 0.55; 0.13 ± 0. 17, 0.19 ± 0.4 ng/mL, respectively) (P = 0.001). Hemoglobin, serum albumin, and estimated glomerular filtration rate (eGFR) levels were significantly lower and potassium and uric acid levels were higher in the CKD group than the controls. PFOA and PFOS levels were significantly higher in all stages of CKD patients than healthy controls. However, there was no correlation between eGFR, and PFOS and PFOA. We have demonstrated significantly increased PFOA and PFOS concentrations in different stages of CKD patients. We could not find an association between eGFR, age, and serum PFOS and PFOA concentrations.

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