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. 2023 May;55(5):1335-1342.
doi: 10.1007/s11255-022-03443-7. Epub 2022 Dec 18.

Comparison of soluble suppression of tumorigenicity 2 and brachial hemodynamic parameters between dialysis modalities in patients with end-stage kidney disease

Hacı Hasan Yeter  1 , Ceren Karacalik  2 , Esra Eraslan  3 , Halil Durantas  4 , Omer Faruk Akcay  5 , Kursat Derici  6 , Ulver Derici  5
Affiliations

Comparison of soluble suppression of tumorigenicity 2 and brachial hemodynamic parameters between dialysis modalities in patients with end-stage kidney disease

Hacı Hasan Yeter et al. Int Urol Nephrol. 2023 May.

Abstract

Purpose: Major cardiovascular events (MACE) are the leading cause of mortality in patients with chronic kidney disease. Although hemodialysis (HD) and peritoneal dialysis (PD) are comparable in survival, patients with HD have a significantly higher risk of developing MACE. Soluble suppression of tumorigenicity 2 (sST2) is a cardiac biomarker, that does not vary with age, gender, and kidney function. This study aimed to compare arterial stiffness, fluid status, and sST2 levels, between patients with PD and those with in-center HD.

Methods: This was a cross-sectional study, which was conducted with 36 PD patients, 36 HD patients, and 36 age, and gender-matched healthy controls. We used noninvasive methods for the assessment of arterial stiffness and fluid status.

Results: The patients with PD overhydrated compared to HD patients and healthy control (p < 0.001, and p = 0.05, respectively). Patients with PD had higher central systolic blood pressure and central pulse pressure than patients with HD and the control group (p = 0.004, and p = 0.01; p < 0.001, and p = 0.004, respectively). HD patients had a significantly higher level of plasma sST2 level compared to PD patients and the control group (p = 0.03, and p = 0.005). HD as maintenance dialysis modality and dialysis vintage was associated with higher plasma sST2 concentration, and having a residual renal function in dialysis patients was related to the lower plasma sST2 concentration.

Conclusion: PD is associated with better sST2 levels even though higher volume load than HD. In addition, the loss of RRF may be the most important factor related to increased sST2.

Keywords: Bioimpedance spectroscopy; Hemodialysis; Peritoneal dialysis; Pulse wave velocity; Soluble suppression of tumorigenicity 2.

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