Relationship Between Uric Acid, Proteinuria, and Atherogenic Index of Plasma in Renal Transplant Patients

This study aimed to determine the association of atherogenic index of plasma (AIP) with both hyperuricemia and proteinuria in renal transplant recipients. Material and Methods: Between the years 2015 and 2017, 61 renal transplant recipients with at least 1 year of follow-up were included in this retrospective cohort study. Uric acid levels of ≥7 mg/dL in men and ≥6 mg/dL in women were accepted as hyperuricemia. The patients were separated into groups according to their serum uric acid and AIP levels. Results: The prevalence of patients with hyperuricemia was 37.7% (n = 23). The triglycerides (P =.009), AIP (P =.005), proteinuria (P =.04), and C-reactive protein (P =.049) were significantly higher in the hyperuricemic group compared with the nonhyperuricemic group. The levels of uric acid (P =.008) and proteinuria (P =.005) increased significantly with an elevation in AIP levels. Additionally, in multivariate linear regression analysis, uric acid (β = 0.325; P =.008) and estimated glomerular filtration rate (β = −0.291; P =.02) were found to be independently associated factors for proteinuria in renal transplant patients (R2 = 0.242; P <.001). Conclusion: We indicated that uric acid, AIP, and proteinuria are closely related. Further prospective studies are needed to evaluate the causal relationship between uric acid, AIP, and proteinuria in this patient group.