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BMC Nephrol ; 21(1): 540, 2020 12 10.
Artículo en Inglés | MEDLINE | ID: mdl-33302892

RESUMEN

BACKGROUND: Acute kidney injury (AKI) occurs commonly in the intensive care unit (ICU). Insulin-like growth factor-binding protein 7 (IGFBP7) and tissue inhibitor of metalloproteinase-2 (TIMP-2), known as [TIMP-2] x [IGFBP7] (NephroCheck), have been identified as novel biomarkers for the prediction of AKI risk. However, the effective use of disease biomarkers is indispensable from an appropriate clinical context. We conducted a retrospective cohort study to find risk factors and assess the performance of the combination of NephroCheck with risk factors, so as to provide feasible information for AKI prediction. METHODS: All patients who were admitted in the ICU (from June 2016 to July 2017) participated in the study. The primary outcome was the detection of severe AKI within the first 7 days after patients being admitted to the ICU. The predictors were separated into three categories: chronic risk factors, acute risk factors and biochemical indicators. RESULTS: The study included 577 patients. 96 patients developed to severe AKI (16.6%) within 7 days. In addition to NephroCheck (+) (OR = 2.139, 95% CI (1.260-3.630), P = 0.005), age > 65 years (OR = 1.961, 95% CI (1.153-3.336), P = 0.013), CKD (OR = 2.573, 95% CI (1.319-5.018), P = 0.006) and PCT (+)(OR = 3.223, 95% CI (1.643-6.321), P = 0.001) were also the independent predictors of severe AKI within 7 days. Compared to NephroCheck (+) only (AUC = 0.66, 95% CI:0.60-0.72), the combination of NephroCheck (+) and risk factors (age > 65 years, CKD and PCT positive) (AUC = 0.75, 95% CI:0.70-0.81) led to a significant increase in the area under ROC curve for severe AKI prediction within 7 days. CONCLUSIONS: Although NephroCheck is an effective screening tool for recognizing high-risk patients, we found that combination with biomarker and risk factors (age > 65 years, CKD, procalcitonin positive) for risk assessment of AKI has the greatest significance to patients with uncertain disease trajectories.


Asunto(s)
Lesión Renal Aguda/epidemiología , Enfermedad Crítica , Proteínas de Unión a Factor de Crecimiento Similar a la Insulina/sangre , Polipéptido alfa Relacionado con Calcitonina/sangre , Insuficiencia Renal Crónica/epidemiología , Inhibidor Tisular de Metaloproteinasa-2/sangre , Lesión Renal Aguda/sangre , Factores de Edad , Anciano , Anciano de 80 o más Años , Biomarcadores , Reglas de Decisión Clínica , Terapia de Reemplazo Renal Continuo , Creatinina/sangre , Femenino , Mortalidad Hospitalaria , Humanos , Unidades de Cuidados Intensivos , Ácido Láctico/sangre , Tiempo de Internación , Masculino , Persona de Mediana Edad , Oportunidad Relativa , Estudios Retrospectivos , Factores de Riesgo , Índice de Severidad de la Enfermedad
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