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VOLUME 22 , ISSUE 12 ( 2018 ) > List of Articles

RESEARCH ARTICLE

Acute kidney injury in Malaysian intensive care setting: Incidences, risk factors, and outcome

Azrina Ralib, Suhaila Nanyan, Nur Ramly, Lim Har, Tan Cheng, Mohd Mat Nor

Keywords : Acute kidney injury, epidemiology, intensive care unit, mortality, risk factors

Citation Information : Ralib A, Nanyan S, Ramly N, Har L, Cheng T, Mat Nor M. Acute kidney injury in Malaysian intensive care setting: Incidences, risk factors, and outcome. Indian J Crit Care Med 2018; 22 (12):831-835.

DOI: 10.4103/ijccm.IJCCM_193_18

License: CC BY-ND 3.0

Published Online: 01-06-2018

Copyright Statement:  Copyright © 2018; The Author(s).


Abstract

Introduction: Acute kidney injury (AKI) is common in the intensive care unit (ICU) with a high risk of morbidity and mortality. The high incidence of AKI in our population may be attributed to sepsis. We investigated the incidence, risk factors, and outcome of AKI in four tertiary Malaysian ICUs. We also evaluated its association with sepsis. Materials and Methods: This retrospective cohort study extracted de-identified data from the Malaysian Registry of Intensive Care in four Malaysian tertiary ICUs between January 2010 and December 2014. The study was registered under the NMRR and approved by the ethics committee. AKI was defined as twice the baseline creatinine or urine output <0.5 ml/kg/h for 12 h. Results: Of 26,663 patients, 24.2% had AKI within 24 h of admission. Patients with AKI were older and had higher severity of illness compared to those without AKI. AKI patients had a longer duration of mechanical ventilation, length of ICU, and hospital stay. Age, Simplified Acute Physiological II Score, and the presence of sepsis and preexisting hypertension, chronic cardiovascular disease independently associated with AKI. About 32.3% had sepsis. Patients with both AKI and sepsis had the highest risk of mortality (relative risk 3.43 [3.34–3.53]). Conclusions: AKI is common in our ICU, with higher morbidity and mortality. Independent risk factors of AKI include age, the severity of illness, sepsis and preexisting hypertension, and chronic cardiovascular disease. AKI independently contributes to mortality. The presence of AKI and sepsis increased the risk of mortality by three times.


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