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Titolo World Incidence of AKI: A Meta-Analysis
Autore Paweena Susantitaphong,Dinna N. Cruz, Jorge Cerda,| Maher Abulfaraj, Fahad Alqahtani, Ioannis Koulouridis, and Bertrand L. Jaber, for the Acute Kidney Injury Advisory Group of the American Society of Nephrology
Referenza Clin J Am Soc Nephrol 2013; doi: 10.2215/CJN.00710113
Contenuto

Background and objectives The burden of AKI around the globe has not been systematically examined.

Design, setting, participants, & measurements A systematic review (2004–2012) of large cohort studies was conducted to estimate the world incidence of AKI and its stages of severity and associated mortality, and to describe geographic variations according to countries, regions, and their economies. AKI definitions were reclassified according to the Kidney Disease Improving Global Outcomes (KDIGO) staging system. Randomeffects model meta-analyses andmeta-regressionswere used to generate summary estimates and explore sources of heterogeneity.

Results There were 312 studies identified (n=49,147,878) , primarily in hospital settings. Most studies originated from North America, Northern Europe, and Eastern Asia, from high-income countries, and from nations that spent $5% of the gross domestic product on total health expenditure. Among the 154 studies (n=3,585,911) that adopted a KDIGO-equivalent AKI definition, the pooled incidence rates of AKI were 21.6% in adults (95% confidence interval [95% CI], 19.3 to 24.1) and 33.7% in children (95% CI, 26.9 to 41.3). The pooled AKI-associated mortality rates were 23.9% in adults (95% CI, 22.1 to 25.7) and 13.8% in children (95% CI, 8.8 to 21.0). The AKIassociated mortality rate declined over time, and was inversely related to income of countries and percentage of gross domestic product spent on total health expenditure.

Conclusions Using the KDIGO definition, 1 in 5 adults and 1 in 3 children worldwide experience AKI during a hospital episode of care. This analysis provides a platformto raise awareness ofAKIwith the public, government officials, and health care professionals.

Data 17.06.2013
 
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