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Vol 13, No 1 (2009)
Original paper
Published online: 2008-12-12
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Relationship between renal resistive index and target organ damage in patiens with treated primary hypertension

Elżbieta Florczak, Barbara Pręgowska-Chwała, Magdalena Januszewicz, Aleksander Prejbisz, Magdalena Kaczmarska, Ilona Michałowska, Magdalena Makowiecka-Cieśla, Tomasz Rywik, Dariusz Rynkun, Tomasz Zieliński, Beata Kuśmierczyk-Droszcz, Grzegorz Kowalewski, Piotr Hoffman, Andrzej Januszewicz
Nadciśnienie tętnicze 2009;13(1):22-28.

open access

Vol 13, No 1 (2009)
Prace oryginalne
Published online: 2008-12-12

Abstract

Background The objective of the study was to evaluate renal resistive index (RI) value in patients with treated hypertension in relation to ABPM values and target organ damage. Material and methods The study included two groups. Group 1 consisted of 125 patients aged 51.2 ± 12.2 with treated essential hypertension (EH), group 2 consisted of 95 normotensive, healthy subjects aged 37.9 ± 10.4. In both groups biochemical evaluations, ABPM, echocardiography, carotid and renal arteries ultrasound and Doppler studies were performed. Results RI values in patients with treated EH were significantly higher as compared to RI values in the normotensive, control group (0.63 ± 0,07 vs. 0.59 ± 0.05; p < 0.01). This difference was still significant after dividing according to the sex. PI values in EH group were also significantly higher as compared with control group. In an univariate analysis, in the hypertensive group, RI values correlated with age, PP and AASI values, mean 24-h diastolic blood pressure values, GFR, carotid IMT and with echocardiographic parameters: E/E’ ratio and RWT. In the multivariate analysis, RI values correlated independently only with carotid IMT. Conclusions In our study renal resistive values were positively correlated with early target organ damage. The resistive index was higher in those with a long-standing treated hypertension as compared to normotensive subjects.

Abstract

Background The objective of the study was to evaluate renal resistive index (RI) value in patients with treated hypertension in relation to ABPM values and target organ damage. Material and methods The study included two groups. Group 1 consisted of 125 patients aged 51.2 ± 12.2 with treated essential hypertension (EH), group 2 consisted of 95 normotensive, healthy subjects aged 37.9 ± 10.4. In both groups biochemical evaluations, ABPM, echocardiography, carotid and renal arteries ultrasound and Doppler studies were performed. Results RI values in patients with treated EH were significantly higher as compared to RI values in the normotensive, control group (0.63 ± 0,07 vs. 0.59 ± 0.05; p < 0.01). This difference was still significant after dividing according to the sex. PI values in EH group were also significantly higher as compared with control group. In an univariate analysis, in the hypertensive group, RI values correlated with age, PP and AASI values, mean 24-h diastolic blood pressure values, GFR, carotid IMT and with echocardiographic parameters: E/E’ ratio and RWT. In the multivariate analysis, RI values correlated independently only with carotid IMT. Conclusions In our study renal resistive values were positively correlated with early target organ damage. The resistive index was higher in those with a long-standing treated hypertension as compared to normotensive subjects.

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Keywords

hypertension; renal resistive index; subclinical target organ damage; ambulatory arterial stiffness index; pulse pressure

About this article
Title

Relationship between renal resistive index and target organ damage in patiens with treated primary hypertension

Journal

Arterial Hypertension

Issue

Vol 13, No 1 (2009)

Article type

Original paper

Pages

22-28

Published online

2008-12-12

Page views

695

Article views/downloads

1292

Bibliographic record

Nadciśnienie tętnicze 2009;13(1):22-28.

Keywords

hypertension
renal resistive index
subclinical target organ damage
ambulatory arterial stiffness index
pulse pressure

Authors

Elżbieta Florczak
Barbara Pręgowska-Chwała
Magdalena Januszewicz
Aleksander Prejbisz
Magdalena Kaczmarska
Ilona Michałowska
Magdalena Makowiecka-Cieśla
Tomasz Rywik
Dariusz Rynkun
Tomasz Zieliński
Beata Kuśmierczyk-Droszcz
Grzegorz Kowalewski
Piotr Hoffman
Andrzej Januszewicz

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