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KMID : 0371420150880050281
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Annals of Surgical Treatment and Research
2015 Volume.88 No. 5 p.281 ~ p.288
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Evaluation of diagnostic biomarkers for acute kidney injury in major burn patients
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Kym Do-Hern
Cho Yong-Suk
Yoon Jae-Chul
Yim Hae-Jun
Yang Hyeong-Tae
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Abstract
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Purpose: Acute kidney injury (AKI) in major burn patients is a common complication with high morbidity and mortality. The mainstream treatment is early diagnosis and rapid termination and prevention of the underlying insult. Therefore, it’s essential to identify early biomarkers predicting AKI.
Methods: A total of 85 patients who were admitted to the burn intensive care unit from June 2012 to July 2013 were included in this prospective cohort study. Ten biomarkers (blood urea nitrogen, serum creatinine, urine creatinine, cystatin C, cystatin C glomerular filtration rate, AST, lacate dehydrogenase [LD], creatine kinase, lactic acid, and myoglobin) were obtained at time of admission and evaluated as diagnostic biomarkers to predicting AKI and early AKI.
Results: Out of 85 patients, 35 patients were dead and overall mortality was 41.2%. The mean age was 49.4 years and mean percentage of total body surface area was 53.2%. Area under the curve (AUC) of receiver operating characteristic curve of biomarkers on predicting AKI were 0.746, 0.718, and 0.717 in LD, lactic acid, and serum creatinine, respectively. AUC of cystatin C predicting AKI was much lower at 0.555. AUC of biomarkers on predicting early AKI were 0.833, 0.816, 0.790, and 0.759 in LD, serum creatinine, AST, and serum myoglobin.
Conclusion: LD, lactic acid and serum creatinine were acceptable as diagnostic biomarkers of AKI and LD, serum creatinine, AST, and serum myoglobin were reasonable as diagnostic biomarkers of early AKI. However, cystatin C was an unfavorable biomarker in major burn patients.
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KEYWORD
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Acute kidney injury, Biological biomarker, Burns, Cystatin C, Lactate dehydrogenase
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