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Kidney resistive index relates to variations of home blood pressure in chronic kidney diseases.
Clin Exp Hypertens ; 38(8): 751-756, 2016.
Artículo en Inglés | MEDLINE | ID: mdl-27936958
ABSTRACT

BACKGROUND:

Kidney resistive index (RI) correlates with tubulointerstitial changes and predicts renal prognosis. Most patients with chronic kidney diseases (CKDs) manifest high blood pressure and atherosclerotic cardiovascular diseases. In addition, various atherosclerotic indexes relate to variations in blood pressure.

METHODS:

Subjects were 70 CKD patients, who visited our office and agreed to measure home blood pressure and receive renal ultrasonography. Cross-sectional analyses were performed.

RESULTS:

Patient age was averaged 61 ± 15 (SD) y/o and 60% were male. Mean serum creatinine and proteinuria were 1.2 ± 0.5 mg/dl and 0.2 ± 0.5 g/gCr, respectively. Office blood pressure and kidney RI were 128 ± 17/75 ± 11 mmHg and 0.66 ± 0.08, respectively. Multivariate regression analysis revealed that age and office blood pressure independently correlated to kidney RI (p < 0.05 for each). Home blood pressure was averaged 122 ± 7/70 ± 6 mmHg. Both standard deviation and the maximal-minimal difference in home systolic blood pressure related to kidney RI (p < 0.05).

CONCLUSIONS:

The present results indicate that office blood pressure correlates to kidney RI, which predicts renal prognosis. In addition, our data implicate that kidney RI relates to variations in home systolic blood pressure, and suggest that kidney RI may be a good index for atherosclerosis in CKD patients.
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Texto completo: Disponible Colección: Bases de datos internacionales Base de datos: MEDLINE Asunto principal: Presión Sanguínea / Insuficiencia Renal Crónica / Hipertensión / Riñón Idioma: Inglés Revista: Clin Exp Hypertens Año: 2016 Tipo del documento: Artículo País de afiliación: Japón