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Biomarcadores nutricionales y su impacto en la mortalidad en UCI: cohorte retrospectiva en Bogotá
dc.contributor.advisor | Rodriguez Lima, David René | |
dc.contributor.advisor | Vergara Gómez, Arturo | |
dc.creator | Fonseca Medina, Germán Eduardo | |
dc.creator | Vargas Villanueva, Andrea | |
dc.creator.degree | Especialista en Medicina Crítica y Cuidado Intensivo | |
dc.creator.degreeLevel | Maestría | |
dc.date.accessioned | 2025-02-24T15:59:05Z | |
dc.date.available | 2025-02-24T15:59:05Z | |
dc.date.created | 2025-02-23 | |
dc.description | Antecedentes: Los biomarcadores nutricionales, como la albúmina, la prealbúmina y la transferrina, se han asociado con resultados adversos en pacientes críticamente enfermos. Este estudio tuvo como objetivo describir las características clínicas y bioquímicas de los pacientes ingresados en la unidad de cuidado intensivo (UCI) y explorar la relación entre estos biomarcadores y la mortalidad intrahospitalaria. Métodos: Se realizó un estudio descriptivo de cohorte retrospectiva, incluyendo todos los pacientes adultos admitidos en una UCI de tercer nivel entre el 1 de enero 2021 y el 31 de diciembre de 2021. Se recopilaron datos demográficos, clínicos y bioquímicos de las historias clínicas electrónicas. Las variables continuas se expresaron como medianas e intervalos intercuartílicos (IQR), y las categóricas como frecuencias y porcentajes. Resultados: Se incluyeron 152 pacientes con una mediana de edad de 60 años (IQR 44–69); el 58,6% eran mujeres. La mortalidad fue del 44,7% (n=68). Los pacientes sobrevivientes fueron más jóvenes (50,6 vs 66,5 años) y presentaron niveles más altos de albúmina (2,9 vs 2,6 g/dL), prealbúmina (14,2 vs 10,4 mg/dL) y transferrina (139,5 vs 119,5 mg/dL) en comparación con los fallecidos. Además, tuvieron puntuaciones más bajas en los índices de severidad APACHE II (7 vs 11,5) y SOFA (2 vs 4). La sepsis y el shock séptico fueron frecuentes (64% y 57%, respectivamente), con mortalidades elevadas (>60%). Conclusiones: Los niveles bajos de albúmina, prealbúmina y transferrina al ingreso en la UCI se asociaron con mayor mortalidad. La edad más joven y la menor gravedad clínica inicial fueron factores protectores. Estos hallazgos destacan la importancia de los biomarcadores nutricionales en la estratificación del riesgo y la toma de decisiones clínicas en pacientes críticos. | |
dc.description.abstract | Background: Nutritional biomarkers such as albumin, prealbumin, and transferrin have been associated with adverse outcomes in critically ill patients. This study aimed to describe the clinical and biochemical characteristics of patients admitted to the intensive care unit (ICU) and explore the relationship between these biomarkers and ICU mortality. Methods: A retrospective descriptive cohort study was conducted, including all adult patients admitted to a tertiary care ICU between January 2021 and December 2021 with serum measurements of albumin, prealbumin, and transferrin. Data were collected from electronic medical records, and mortality was analyzed based on biochemical and clinical characteristics. Continuous variables were reported as medians and interquartile ranges (IQR), while categorical variables were summarized as frequencies and percentages. Results: The cohort included 152 patients with a median age of 60 years (IQR 44–69); 58.6% were female. The mortality rate was 44.7% (n=68). Survivors were younger (median age 50.6 vs. 66.5 years) and had higher levels of albumin (2.9 vs. 2.6 g/dL), prealbumin (14.2 vs. 10.4 mg/dL), and transferrin (139.5 vs. 119.5 mg/dL) compared to non-survivors. Additionally, survivors had lower disease severity scores at admission (APACHE II: 7 vs. 11.5; SOFA: 2 vs. 4). Sepsis and septic shock were present in 64% and 57% of patients, respectively, with higher mortality rates seen in these subgroups (62.2% and 68.2%). Conclusions: Lower levels of albumin, prealbumin, and transferrin were associated with increased ICU mortality. Younger age and less severe disease at admission were protective factors. These findings highlight the potential utility of nutritional biomarkers in risk stratification and clinical decision-making for critically ill patients. | |
dc.format.extent | 50 pp | |
dc.format.mimetype | application/pdf | |
dc.identifier.doi | https://doi.org/10.48713/10336_45015 | |
dc.identifier.uri | https://repository.urosario.edu.co/handle/10336/45015 | |
dc.language.iso | spa | |
dc.publisher | Universidad del Rosario | |
dc.publisher.department | Escuela de Medicina y Ciencias de la Salud | |
dc.publisher.program | Especialización en Medicina Crítica y Cuidado Intensivo | |
dc.rights | Attribution-ShareAlike 4.0 International | * |
dc.rights.accesRights | info:eu-repo/semantics/openAccess | |
dc.rights.acceso | Abierto (Texto Completo) | |
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dc.rights.uri | http://creativecommons.org/licenses/by-sa/4.0/ | * |
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dc.source.instname | instname:Universidad del Rosario | |
dc.source.reponame | reponame:Repositorio Institucional EdocUR | |
dc.subject | Albúmina | |
dc.subject | Prealbúmina | |
dc.subject | Transferrina | |
dc.subject | Mortalidad en UCI | |
dc.subject | Biomarcadores nutricionales | |
dc.subject | Pacientes críticos | |
dc.subject.keyword | Albumin | |
dc.subject.keyword | Prealbumin | |
dc.subject.keyword | Transferrin | |
dc.subject.keyword | ICU mortality | |
dc.subject.keyword | Nutritional biomarkers | |
dc.subject.keyword | Critically ill patients | |
dc.title | Biomarcadores nutricionales y su impacto en la mortalidad en UCI: cohorte retrospectiva en Bogotá | |
dc.title.TranslatedTitle | Nutritional biomarkers and their impact on mortality in the ICU: a retrospective cohort in Bogotá | |
dc.type | masterThesis | |
dc.type.hasVersion | info:eu-repo/semantics/acceptedVersion | |
dc.type.spa | Artículo | |
local.department.report | Escuela de Medicina y Ciencias de la Salud | |
local.regiones | Bogotá |
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