Glucometrics in the first week of critical illness and its association with mortality

Evaluation of glucometrics in the first week of ICU stay and its association with outcomes. Prospective observational study. Mixed ICU of teaching hospital. Adults initiated on insulin infusion for 2 consecutive blood glucose (BG) readings ≥180mg/dL. Glucometrics calculated from the BG of first week...

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Published in:Medicina intensiva Vol. 47; no. 6; pp. 326 - 337
Main Authors: Sundarsingh, V., Poddar, B., Saran, S., Jena, S.K., Azim, A., Gurjar, M., Singh, R.K., Baronia, A.K.
Format: Journal Article
Language:English
Published: Spain Elsevier España, S.L.U 01-06-2023
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Summary:Evaluation of glucometrics in the first week of ICU stay and its association with outcomes. Prospective observational study. Mixed ICU of teaching hospital. Adults initiated on insulin infusion for 2 consecutive blood glucose (BG) readings ≥180mg/dL. Glucometrics calculated from the BG of first week of admission: hyperglycemia (BG>180mg/dL) and hypoglycemia (BG<70mg/dL) episodes; median, standard deviation (SD) and coefficient of variation (CV) of BG, glycemic lability index (GLI), time in target BG range (TIR). Factors influencing glucometrics and the association of glucometrics to patient outcomes analyzed. A total of 5762 BG measurements in 100 patients of median age 55 years included. Glucometrics: hyperglycemia: 2253 (39%), hypoglycemia: 28 (0.48%), median BG: 169mg/dL (162–178.75), SD 31mg/dL (26–38.75), CV 18.6% (17.1–22.5), GLI: 718.5 [(mg/dL)2/h]/week (540.5–1131.5) and TIR 57% (50–67). Diabetes and higher APACHE II score were associated with higher SD and CV, and lower TIR. On multivariate regression, diabetes (p=0.009) and APACHE II score (p=0.016) were independently associated with higher SD. Higher SD and CV were associated with less vasopressor-free days; lower TIR with more blood-stream infections (BSI). Patients with higher SD, CV and GLI had a higher 28-day mortality. On multivariate analysis, GLI alone was associated with a higher mortality (OR 2.99, p=0.04). Glycemic lability in the first week in ICU patients receiving insulin infusion is associated with higher mortality. Lower TIR is associated with more blood stream infections. Evaluación de la glucometría en la primera semana de estancia en la UCI y su asociación con los resultados. Estudio observacional prospectivo. UCI mixta de hospital docente. Adultos que iniciaron una infusión de insulina para dos lecturas consecutivas de glucosa en sangre (GS) ≥180mg/dl. Glucometría calculada a partir de la GS de la primera semana de ingreso: episodios de hiperglucemia (GS >180mg/dl) e hipoglucemia (GS <70mg/dl); mediana, desviación estándar (DE) y coeficiente de variación (CV) de GS, índice de labilidad glucémica (ILG), tiempo en el rango objetivo de GS (TIR). Se incluyeron un total de 5.762 GS en 100 pacientes con una mediana de edad de 55años. Glucometría: hiperglucemia: 2.253 (39%), hipoglucemia: 28 (0,48%), mediana GS: 169mg/dl, DE 31mg/dl, CV 18,6%, ILG: 718,5 [(mg/dl)2/h]/semana, TIR 57%. La diabetes y una puntuación APACHEII más alta se asociaron con una DE y un CV más altos y una TIR más baja. En la regresión multivariada, la diabetes (p=0,009) y la puntuación APACHEII (p=0,016) se asociaron de forma independiente con una DE más alta. La DE y el CV más altos se asociaron con menos días sin vasopresores; menor TIR, con más infecciones del torrente sanguíneo (ITS). En el análisis multivariado, el ILG solo se asoció con una mayor mortalidad (OR: 2,99, p=0,04). La labilidad glucémica en la primera semana en pacientes de UCI que reciben infusión de insulina se asocia con mayor mortalidad. Una TIR más baja se asocia con más ITS.
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ISSN:2173-5727
2173-5727
1578-6749
DOI:10.1016/j.medine.2022.06.025