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Delgado, Iris

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Delgado

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2024 - 20252
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Subject: Hospitalization ×

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    Diagnostic imaging in Chile: population-based description of its use in hospitalized patients
    (2024) Cristi, Joaquín; Cocio, Rolando; Delgado, Iris; Blaskovic, Fernanda
    Introduction: The limited availability of data in Chile on the use of diagnostic images (DI) poses a challenge in the efficient management of resources. Objective: To quantify and characterize the use of DI in hospitalized subjects in Chile for 1 year. Method: Descriptive population based study on the use of DI in Chile during 2019 in hospitalized subjects using an official national database recorded with the diagnosis-related groups (DRG) system. Demographic variables related to hospitalization and derived from the DRG were analyzed. Results: 55.5% of hospital events involved at least one DI (n = 466,306). The most used imaging technique was radiography/X-ray (36.4%), followed by computed tomography (35%). The Magallanes and Aysén regions exhibited the highest DI rates. Hospitalized patients who required some DI had an average of days of hospitalization and mortality rate that were 3.4 and 5.5 times greater than those who did not require DI (p < 0.01). Conclusions: There are important geographical differences in the use of DI in Chile. Our description will facilitate future studies that delve deeper and explore access or socioeconomic differences. Introducción: La escasa disponibilidad de datos en Chile sobre el uso de imágenes diagnósticas (ID) plantea un desafío en la gestión eficiente de recursos. Objetivo: Cuantificar y caracterizar el uso de ID en sujetos hospitalizados en Chile durante 1 año. Método: Estudio poblacional descriptivo sobre el uso de ID en Chile durante el año 2019 en sujetos hospitalizados utilizando una base de datos nacional oficial consignada con la herramienta de grupos relacionados a diagnósticos (GRD). Se analizaron variables demográficas, relativas a la hospitalización y derivadas de los GRD. Resultados: El 55,5% de los eventos hospitalarios involucró al menos una ID (n = 466.306). La modalidad de imagen más utilizada fue la radiografía (36,4%), seguida por la tomografía computada (35%). Las regiones de Magallanes y Aysén exhibieron las tasas de ID más altas. Los pacientes hospitalizados que requirieron alguna ID obtuvieron unos promedios de días de hospitalización y letalidad 3,4 y 5,5 veces mayores que los que no requirieron ID (p < 0,01). Conclusiones: Existen importantes diferencias geográficas en la utilización de ID en Chile. Nuestra descripción facilitará la realización de futuros estudios que profundicen y exploren las diferencias en el acceso o socioeconómicas.
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    Multimorbidity profile among cancer-related hospitalization events in younger and older patients: a large-scale nationwide cross-sectional study
    (2025) Bernal, Yanara; Campaña, Carla; Sanhueza, Cristobal; Apablaza, Mauricio; Armisen, Ricardo; Delgado, Iris
    Background Multimorbidity, the coexistence of two or more chronic diseases, among cancer patients offers critical insights into shared risk factors, while posing increasing challenges for healthcare systems due to the complexity of care required. Despite its relevance, research in multimorbidity across different age groups is limited in middle income countries. Methods We analyzed cancer-related hospitalizations between 2019 and 2023, using a nationwide Diagnosis-Related Groups database covering 68 Chilean health institutions. We examined the distribution of 40 chronic conditions, multimorbidity prevalence, comorbidity profile, and their distribution across age group, sex, and cancer diagnosis. Findings We identified 4,722,723 hospitalization events, including 149,270 unique adult patients hospitalized with cancer (mean of 63 ± 15.17 years old). Multimorbidity was present in 47.9% of all cancer-related hospitalizations, increasing steeply with age: 14% in patients aged 18–35, 24.9% in those 36–50, and 55.5% in patients >50 years. Obesity and diabetes were among the most common comorbid conditions across age groups, with significant variations by sex. Notably, obesity was more prevalent in younger patients, particularly those aged 18–35, whereas hypertension showed an inverse profile, increasing markedly with age. Interpretation Multimorbidity profile reflect both the clinical complexity of cancer care and potential shared biological and environmental pathways in carcinogenesis. These findings highlight the need to transition from diseasecentered to person-centered care models. In Chile, understanding multimorbidity in younger and middle-aged adults may inform precision prevention, integrated service delivery, and equitable planning for both oncologic and non-oncologic care. Funding This study was conducted without external funding.

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