CLINICAL RESEARCH
Red cell distribution width and end-organ damage in patients with systo-diastolic hypertension
 
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Submission date: 2014-06-16
 
 
Final revision date: 2014-07-31
 
 
Acceptance date: 2014-07-31
 
 
Online publication date: 2016-04-12
 
 
Publication date: 2016-04-11
 
 
Arch Med Sci 2016;12(2):319-325
 
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Introduction: Both end-organ damage and high red cell distribution width (RDW) values are associated with adverse cardiovascular events, inflammatory status, and neurohumoral activation in hypertensive disease and in the general population. In this study, we investigated the relationship between RDW and end-organ damage in hypertensive patients.
Material and methods: The 446 systo-diastolic hypertensive patients included in the study received 24-hour ambulatory blood pressure monitoring. Left ventricular mass index, glomerular filtration rate, and microalbuminuria were measured to identify end-organ damage. High-sensitivity C-reactive protein (hs-CRP) and N-terminal pro-B-type natriuretic peptide (NT-proBNP) levels of all patients were also examined.
Results: The mean age of the participants was 49.96 ±11.04 years. The mean RDW was 13.06 ±1.05%. Red cell distribution width was positively correlated with left ventricular myocardial index (LVMI), urinary albumin, hs-CRP, and NT-proBNP (r = 0.298, p < 0.001; r = 0.228, p < 0.001; r = 0.337, p < 0.001; r = 0.277, p < 0.001, respectively), while RDW was negatively correlated with eGFR (r = –0.153, p < 0.001). Additionally, while there was a positive correlation between RDW and 24-h systolic blood pressure, no correlation was found between RDW and 24-h diastolic blood pressure (r = 0.132, p = 0.006 and r = 0.017, p = 0.725, respectively). Multiple linear regression analysis revealed that RDW levels were independently associated with eGFR, LVMI, and severity of albuminuria (β = 0.126, p = 0.010; β = –0.149, p = 0.002; β = 0.114, p = 0.035).
Conclusions: High RDW levels in systo-diastolic hypertensive patients were found to be an independent predictor of end-organ damage.
eISSN:1896-9151
ISSN:1734-1922
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