Doppler-based renal resistive index for prediction of renal dysfunction reversibility: A systematic review and meta-analysis

Journal of Critical Care
Sebastien NinetM Darmon

Abstract

Doppler-based renal resistive index (RI) might help in distinguishing transient from persistent acute kidney injury (AKI). The main objective of these systematic review and meta-analysis was to investigate the diagnostic performance of RI in predicting short-term reversibility of AKI. A systematic review of the literature was performed. Relevant studies were identified in Pubmed and Cochrane databases covering the years 1985 to 2013 and reviewed independently by 3 authors. Renal transplant recipients were excluded from this analysis. The summary estimates were computed using a random-effects model based on the DerSimonian and Lair meta-analytic method. Among the 154 unique articles identified, 9 studies were included. Of the 176 patients in these studies with elevated RI or pulsatility index, 146 (83%) had a persistent AKI vs 44 (16%) of the 273 patients with normal values. Elevated RI or pulsatility index was associated with an increased risk of persistent AKI (odds ratio, 29.85; 95% confidence interval [CI], 8.73-102.16; P < .00001) with significant heterogeneity (I(2) = 75.0%, P < .0001). The pooled sensitivity and specificity were 0.83 (95% CI, 0.77-0.88) and 0.84 (95% CI, 0.79-0.88). The summary positive and negative likel...Continue Reading

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Citations

Jan 6, 2016·European Journal of Clinical Investigation·Maria BoddiAdriano Peris
Sep 28, 2015·Critical Care Clinics·Charles HobsonAzra Bihorac
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