Análisis de los factores que determinan una evolución negativa en pacientes afectos de neumonía por SARS COV- 2, dados de alta del servicio de Urgencias con seguimiento ambulatorio
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2026
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27/02/2026
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Universidad Complutense de Madrid
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La pandemia mundial producida por SARS CoV-2, puso en jaque al sistema sanitario ante el desconocimiento de una enfermedad con una expresión clínica fluctuante y una situación de gran presión asistencial. Objetivos: Desarrollar y validar un modelo clínico para predecir la mortalidad a 30 días en pacientes con COVID-19 de alto riesgo evaluados en el Servicio de Urgencias (SU),y evaluar los desenlaces en adultos con neumonía por COVID-19 clasificados como debajo riesgo por el modelo y dados de alta a domicilio. Métodos: Análisis secundario del registro COVID-19\_URG-HCSC del Hospital Clínico San Carlos (Madrid). Fase 1 (febrero–abril 2020): derivación de un modelo en pacientes≥18 años con COVID-19 probable o confirmado clasificados como de alto riesgo en el triaje (edad ≥55 años, saturación basal de oxígeno <96% a su llegada, o infiltrados pulmonares en la radiografía de tórax). El desenlace principal fue la mortalidad por todas las causas a 30 días. Fase 2 (septiembre 2020–mayo 2021): validación en adultos con neumonía de bajo riesgo dados de alta a domicilio y monitorizados telefónicamente. Los desenlaces principales fueron mortalidad por todas las causas a 30 días, reconsultas y hospitalización...
The global pandemic caused by SARS-CoV-2 challenged healthcare systems due to the uncertainty surrounding a disease with fluctuating clinical presentation and the extraordinary strain on healthcare services.Objectives: To develop and validate a clinical model to predict 30-day mortality in high risk COVID-19 patients evaluated in the Emergency Department (ED), and to evaluate outcomes in adults with COVID-19 pneumonia classified as low risk by the model and discharged home. Methods: Secondary analysis of the COVID-19\_URG-HCSC registry at Hospital Clínico San Carlos (Madrid). Phase 1 (Feb–Apr 2020): derivation of a model in patients aged ≥18 years with probable or confirmed COVID-19 who were classified as high risk at triage (age ≥55 years, baseline oxygen saturation <96% on arrival, or pulmonary infiltrates on chest radiograph). The primary outcome was 30-day all-cause mortality. Phase 2 (Sep 2020–May 2021): validation in adults with low-risk pneumonia discharged home and monitored by telephone. Primary outcomes were 30-day all-cause mortality, revisits, and hospitalization...
The global pandemic caused by SARS-CoV-2 challenged healthcare systems due to the uncertainty surrounding a disease with fluctuating clinical presentation and the extraordinary strain on healthcare services.Objectives: To develop and validate a clinical model to predict 30-day mortality in high risk COVID-19 patients evaluated in the Emergency Department (ED), and to evaluate outcomes in adults with COVID-19 pneumonia classified as low risk by the model and discharged home. Methods: Secondary analysis of the COVID-19\_URG-HCSC registry at Hospital Clínico San Carlos (Madrid). Phase 1 (Feb–Apr 2020): derivation of a model in patients aged ≥18 years with probable or confirmed COVID-19 who were classified as high risk at triage (age ≥55 years, baseline oxygen saturation <96% on arrival, or pulmonary infiltrates on chest radiograph). The primary outcome was 30-day all-cause mortality. Phase 2 (Sep 2020–May 2021): validation in adults with low-risk pneumonia discharged home and monitored by telephone. Primary outcomes were 30-day all-cause mortality, revisits, and hospitalization...
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Tesis inédita de la Universidad Complutense de Madrid, Facultad de Medicina, leída el 27-02-2026











