Delirium prevalence in a Colombian hospital,association with geriatric syndromes and complications during hospitalization |
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Authors: | Andrés Felipe Peralta-Cuervo Elkin Garcia-Cifuentes Nicolás Castellanos-Perilla Diego Andrés Chavarro-Carvajal Luis Carlos Venegas-Sanabria Carlos Alberto Cano-Gutiérrez |
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Institution: | 1. Semillero de Neurociencias y Envejecimiento, Ageing Institute, School of Medicine, Pontifical Xavierian University, Bogotá, Colombia;2. Geriatrics Unit, Ageing Institute, Hospital Universitario San Ignacio, Bogotá, Colombia |
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Abstract: | BackgroundThe aim of this paper is to describe the prevalence of Delirium and the factors associated with its presentation and complications identified in a geriatric unit in Colombia.Material and methodsThis is a retrospective observational study that included all patients admitted consecutively for two years in a geriatric unit of a hospital in Bogotá, Colombia. We assessed delirium prevalence with the Confusion Assessment Method (CAM). The independent variables were age, sex, functional impairment (Barthel < 90), malnutrition (MNA < 12), pressure ulcers at admission, state of the social support network, number of comorbidities, polypharmacy (5 or more drugs), complications such as ICU requirement, hospital stay, in-hospital functional impairment and mortality were also evaluated. As an exclusion criterion: not having CAM registered in the medical record, all the patients had this information.ResultsWe studied 1599 subjects with a mean age of 86 years (IQR 9). Delirium prevalence was 51.03%. Delirium was associated with a higher rate of: pressure ulcers on admission OR 3.76 (CI 2.60–5.43 p < 0.001)], functional impairment OR 2.38 (CI 1.79–3.16 p < 0.001)], malnutrition OR 2.06 (CI 1.56–2.73 p < 0.001)], and infection OR 1.46 (CI 1.17–1.82 p < 0.001)]. Moreover delirium has a higher association with mortality OR 2.80 (1.03–7.54 p = 0.042)], in-hospital functional decline OR 1.82 (1.41–2.36 p < 0.001)], and longer hospital stay OR 1.04 (1.04–1.09 p = 0.006)]; independently of age, sex, pressure ulcers on admission, functional impairment, malnutrition, dementia, infection and limited social network.ConclusionOur study suggests that infectious diseases and geriatric syndromes such as, functional dependence, pressure ulcers, malnutrition or major cognitive impairment are independently associated with the presence of delirium on admission. Additionally, the presence of delirium is independently associated during hospitalization with complications, longer hospital stay, functional impairment and mortality. |
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Keywords: | Aged Functionality Delirium Mortality Risk factors Envejecido Funcionalidad Delirio Mortalidad Factores de riesgo |
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