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Changes in acute kidney injury epidemiology in critically ill patients: a population-based cohort study in Korea.


ABSTRACT: BACKGROUND:Although no specific treatment facilitates renal tubular regeneration in acute kidney injury (AKI), the rapid increase in aging populations with more comorbidities and advances in critical care management are expected to change the epidemiology of AKI. However, few recent studies dissected the current epidemiologic characteristics of critically ill patients with AKI. We investigated recent epidemiologic changes in severe AKI in critically ill patients. METHODS:All adult admissions to intensive care units (ICUs) in Korea from 2008 to 2015 were screened using the national health insurance review and assessment database, and 1,744,235 patients were included. Clinical characteristics and changes in AKI incidence and mortality rate were analyzed. RESULTS:The incidence of AKI increased from 7.4% in 2008 to 8.3% in 2015 (p for trend < 0.001). Age-standardized AKI rate was 7018.6 per 100,000 person-years. In-hospital mortality significantly decreased from 39.1% in 2008 to 37.2% in 2015 (p for trend < 0.001) with 2427.6 deaths per 100,000 person-years. Patients with AKI showed higher in-hospital mortality, prolonged ICU length of stay, and higher total cost. Multivariable analysis showed increased risk of in-hospital mortality (adjusted odds ratio [OR] 3.74), mechanical ventilation (OR 2.87), ECMO (OR 6.99), and vasopressor requirement (OR 2.75) in patients with AKI. CONCLUSIONS:Recent advances in medical management for AKI have improved in-hospital mortality of critically ill patients with AKI despite increases in the elderly population and AKI incidence.

SUBMITTER: Hwang S 

PROVIDER: S-EPMC6555834 | biostudies-other | 2019 Jun

REPOSITORIES: biostudies-other

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Changes in acute kidney injury epidemiology in critically ill patients: a population-based cohort study in Korea.

Hwang Subin S   Park Hyejeong H   Kim Youngha Y   Kang Danbee D   Ku Ho Suk HS   Cho Juhee J   Lee Jung Eun JE   Huh Wooseong W   Guallar Eliseo E   Suh Gee Young GY   Jang Hye Ryoun HR  

Annals of intensive care 20190607 1


<h4>Background</h4>Although no specific treatment facilitates renal tubular regeneration in acute kidney injury (AKI), the rapid increase in aging populations with more comorbidities and advances in critical care management are expected to change the epidemiology of AKI. However, few recent studies dissected the current epidemiologic characteristics of critically ill patients with AKI. We investigated recent epidemiologic changes in severe AKI in critically ill patients.<h4>Methods</h4>All adult  ...[more]

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