Why the study?
Does the renal resistive index (RRI) measured by duplex ultrasonography correlate with renal function and target-organ damage in patients with essential hypertension?
Population
102 patients with untreated mild or moderate essential hypertension and 12 normal age-matched volunteers
Comparison
Measurement of renal resistive index using… vs Normal age-matched volunteers
Design
Cross-sectional
Authors
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RRI may identify concurrent renal impairment and extrarenal damage in essential hypertension; hypothesis-generating and requires prospective validation before clinical use.
Does the renal resistive index (RRI) measured by duplex ultrasonography correlate with renal function and target-organ damage in patients with essential hypertension?
Renal resistive index measured by duplex ultrasonography is a useful non-invasive marker for early renal damage and correlates with other target-organ damage in patients with essential hypertension.
Shimizu et al. (2001) studied this question.
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