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https://open.uns.ac.rs/handle/123456789/4154
Title: | Cystatin C, vascular biomarkers and measured glomerular filtration rate in patients with unresponsive hypertensive phenotype: A pilot study | Authors: | Velibor Čabarkapa Branislava Ilinčić Mirjana Đerić Viktorija Vučaj Ćirilov Milena Kresoja Radmila Žeravica Vladimir Sakač |
Keywords: | Biomarkers;subclinical tissue organ damage;cardiovascular risk;essential hypertension;glomerular filtration rate;cystatin C | Issue Date: | 21-Nov-2017 | Journal: | Renal Failure | Abstract: | © 2016 The Author(s). Background: Biomarkers are commonly used to estimate the presence of subclinical cardiovascular disease (CVD) in patients with essential arterial hypertension (HT). In addition to known association between cystatin C and glomerular filtration rate (GFR), elucidating the association between cystatin C and vascular biomarkers (intima-media thickness of common carotid arteries (CCIMT), carotid plaque and renal artery resistance index (RRI)) in patients with unresponsive hypertensive phenotype could be of significant clinical interest. Methods: Participants (n=200, median age 58 (52-64) years, 49% female) under treatment with antihypertensive drugs were stratified into two subgroups based on their blood pressure level as having responsive hypertension (RHT-compliant and responsive to treatment, n=100), or nonresponsive (URHT-compliant but nonresponsive to treatment, n=100). GFR was measured by isotopic (slope-intercept) method (99m Tc diethylene triamine penta-acetic acid-mGFR). Results: The URHT group had significantly higher median cystatin C serum concentration (p=0.02) and CCIMT (p=0.00) compared to the RHT group, with no significant difference in RRI (p=0.51) and mGFR among subgroups [69.9±28.2 vs 76.74±23.61ml/min/1.73m2, p=0.27]. In the URHT group, cystatin C was found to be associated with CCIMT (p=0.02), hsCRP (p=0.01) and duration of HT (p=0.02), independently of mGFR and age. Independent predictors of URHT phenotype were CCIMT (p=0.02) and hsCRP (p=0.04). Conclusion: In addition to GFR, cystatin C serum concentration is positively and independently associated with CCIMT in patient with URHT phenotype and subclinical CVD. Prospective larger studies should further investigate the clinical importance of this relationship. | URI: | https://open.uns.ac.rs/handle/123456789/4154 | ISSN: | 0886022X | DOI: | 10.1080/0886022X.2016.1256316 |
Appears in Collections: | PMF Publikacije/Publications |
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