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Indian Journal of Critical Care Medicine
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Year : 2018  |  Volume : 22  |  Issue : 12  |  Page : 831--835

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

1 Department of Anaesthesiology and Intensive Care, Kulliyyah of Medicine, International Islamic University Malaysia, Kuantan, Pahang, Malaysia
2 Department of Anaesthesiology and Intensive Care, Hospital Pulau Pinang, Penang, Malaysia
3 Department of Anaesthesiology and Intensive Care, Hospital Sultanah Aminah, Johor Bahru, Malaysia

Correspondence Address:
Dr. Azrina Md Ralib
Department of Anaesthesiology and Intensive Care, International Islamic University Malaysia, Bandar Indera Mahkota, 25200 Kuantan, Pahang
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/ijccm.IJCCM_193_18

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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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