Browsing by Author "Blaskovic, Fernanda"

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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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    Magnetic resonance imaging of paraurethral and paravaginal lesion: relevant diagnoses, key findings and surgical correlation
    (https://doi.org/10.21037/tau-2024-726, 2025) Labra, Andrés; Cocio, Rolando; Saavedra, Álvaro; Schiappacasse, Giancarlo; Blaskovic, Fernanda
    Paraurethral and paravaginal lesions are uncommon entities that often present diagnostic challenges due to their anatomical complexity, varied etiologies, and overlapping clinical presentations. Accurate identification and characterization of these lesions are essential for appropriate management and surgical planning. A structured diagnostic approach, based on clinical history, lesion location, and imaging features, is critical to avoid misdiagnosis and unnecessary interventions. Magnetic resonance imaging (MRI) has emerged as the modality of choice due to its excellent soft-tissue contrast, multiplanar capabilities, and non-invasive nature, offering superior delineation of lesion extent and relationship with adjacent pelvic structures. This pictorial review seeks to support radiologists and clinicians by offering a comprehensive yet practical guide to the imaging evaluation of paraurethral and paravaginal lesions. Through high-resolution MRI images and original anatomical illustrations, we aim to reduce the gap between imaging interpretation and clinical decision-making. We summarize the primary MRI indications for evaluating female urethral pathology, provide an overview of common and rare differential diagnoses, and highlight relevant MRI protocol considerations. Additionally, we include correlations with surgical findings when available, to enhance clinical applicability. Rather than providing an exhaustive catalog of entities, our focus is to promote standardized imaging assessment and highlight key anatomical and diagnostic considerations that may facilitate a more confident and informed multidisciplinary approach to these often-overlooked pelvic pathologies.

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