Arterial stiffness in Balkan endemic nephropathy, an environmental form of aristolochic acid nephropathy

Premužić, Vedran and Ivković, Vanja and Leko, Ninoslav and Stipančić, Želimir and Karanović, Sandra and Jelaković, Ana and Vuković Brinar, Ivana and Dika, Živka and Jelaković, Bojan (2018) Arterial stiffness in Balkan endemic nephropathy, an environmental form of aristolochic acid nephropathy. Frontiers in Cardiovascular Medicine, 5. p. 166. ISSN 2297-055X

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Abstract in Croatian

Balkan endemic nephropathy (BEN), an environmental form of aristolochic acid nephropathy is characterized with later onset and milder forms of hypertension (HT). Thus, we hypothesized that arterial stiffness progresses slower in BEN patients resulting in lower CV mortality. A total of 186 hemodialysed (HD) patients (90 BEN, 96 non-BEN; 67.3 + 13.0 years) were enrolled and followed-up for 25 months. Brachial blood pressure (BP) and pulse wave velocity (PWV) were determined before mid-week dialysis. BEN patients were older (72.1 ± 37.1 vs. 62.8 ± 15.1; p < 0.001), had shorter duration of HT prior commencement of HD than non-BEN patients (36 vs. 84 months; p < 0.001). There were no differences in BP, but BEN patients were treated with less antihypertensive drugs (p < 0.01). BEN patients had lower PWV values at baseline and at the end of follow-up period despite being chronologically older (p < 0.001). Baseline PWV > 10 m/s was associated with higher risk for CV mortality (aHR 1.8 [1.4, 2.4]). In multivariate analyses BEN was predictor of lower PWV. During the follow-up period significantly less CV deaths were observed in BEN vs. on-BEN patients (12 vs. 31; p = 0.001). CV mortality adjusted for other risk factors was significantly lower in BEN group (aHR 0.2 [0.1, 0.5]). Overall BEN patients had longer mean survival time on HD (22.3 vs. 18.2 months; p < 0.001). Observed slower vascular aging (i.e., lower PWV) in BEN patients compared to other ESRD patients is related to the later onset of HT and milder stages of HT during predialytic clinical course and better control of BP and phosphate during HD.

Item Type: Article
Departments: Katedra za internu medicinu
Depositing User: Anja Majstorović
Status: Published
Premužić, VedranUNSPECIFIED
Stipančić, ŽelimirUNSPECIFIED
Karanović, SandraUNSPECIFIED
Vuković Brinar, IvanaUNSPECIFIED
Jelaković, BojanUNSPECIFIED
Date: 15 November 2018
Date Deposited: 24 Jun 2019 11:08
Last Modified: 24 Jun 2019 11:08
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