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Inicio Radiología (English Edition) CT findings in survivors and non-survivors of COVID-19 and clinical usefulness o...
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Vol. 64. Issue 1.
Pages 11-16 (January - February 2022)
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Vol. 64. Issue 1.
Pages 11-16 (January - February 2022)
Original articles
CT findings in survivors and non-survivors of COVID-19 and clinical usefulness of a CT scoring system
Hallazgos tomográficos entre sobrevivientes y no-sobrevivientes con COVID-19 y utilidad clínica de una puntuación de tomografía torácica
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R. Collado-Chagoyaa, H. Hernández-Chaverob, A. Ordinola Navarroc, D. Castillo-Castillod, J.G. Quiroz-Meléndezd, E. González-Veyrandb, B.A. López Luise,
Corresponding author
bruno_lopez@comunidad.unam.mx

Corresponding author.
a Departamento de Medicina Interna, Hospital General de Zona N.º 27, Instituto Mexicano del Seguro Social, Mexico City, Mexico
b Departamento de Radiología, Hospital General de Zona N.° 27, Instituto Mexicano del Seguro Social, Mexico City, Mexico
c Departamento de Medicina Interna, Hospital de Especialidades “Dr. Antonio Fraga Mouret”, Centro Médico Nacional La Raza del Instituto Mexicano del Seguro Social, Mexico City, Mexico
d Departamento de Medicina Geriátrica, Hospital General de Zona N.° 27, Instituto Mexicano del Seguro Social, Mexico City, Mexico
e Departamento de Enfermedades Infecciosas, Hospital General de Zona N.º 27, Instituto Mexicano del Seguro Social, Mexico City, Mexico
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Table 1. Demographic data and chest computed tomography findings of patients with COVID-19.
Abstract
Background

Many patients with coronavirus disease 2019 (COVID-19) have been diagnosed with computed tomography (CT). A prognostic tool based on CT findings could be useful for predicting death from COVID-19.

Objectives

To compare the chest CT findings of patients who survived COVID-19 versus those of patients who died of COVID-19 and to determine the usefulness the clinical usefulness of a CT scoring system for COVID-19.

Methods

We included 124 patients with confirmed SARS-CoV-2 infections who were hospitalized between April 1, 2020 and July 25, 2020.

Results

Whereas ground-glass opacities were the most common characteristic finding in survivors (75%), crazy paving was the most characteristic finding in non-survivors (65%). Atypical findings were present in 46% of patients. The chest CT score was directly proportional to mortality; a score ≥18 was the best cutoff for predicting death, yielding 70% sensitivity (95%CI: 47%–87%).

Conclusions

Our results suggest that atypical lesions are more prevalent in this cohort. The chest CT score had high sensitivity for predicting hospital mortality.

Keywords:
Prognosis
COVID-19
Computed tomography
Semi-quantitative CT score
Resumen
Antecedentes

Muchos pacientes con enfermedad por coronavirus 2019 (COVID-19) han sido diagnosticados mediante tomografía computarizada (TC). Una herramienta de pronóstico obtenida de esta podría ser un predictor útil de mortalidad.

Objetivos

Evaluar los hallazgos de la TC de tórax entre los pacientes sobrevivientes y no sobrevivientes con COVID-19 y la utilidad clínica de una puntuación de TC.

Métodos

Del 1 de abril al 25 de julio de 2020 se incluyeron 124 pacientes hospitalizados con infección confirmada por SARS-CoV-2.

Resultados

Las opacidades en vidrio deslustrado fueron el principal hallazgo típico en los sobrevivientes (75%), mientras que el patrón de pavimento loco fue el principal hallazgo típico en los no sobrevivientes (65%). Los hallazgos atípicos estuvieron presentes hasta en el 46% de los pacientes. Hubo una relación directamente proporcional entre la puntuación de la TC de tórax y la mortalidad, teniendo en cuenta un punto de corte óptimo de la puntuación de la TC de 18 para predecir la muerte con una sensibilidad del 70% [intervalo de confianza (IC) del 95%: 47%–87%].

Conclusiones

Nuestros datos sugieren una mayor prevalencia de lesiones atípicas en esta cohorte. La puntuación de la TC de tórax tuvo una alta sensibilidad para predecir la mortalidad hospitalaria.

Palabras clave:
Pronóstico
COVID-19
Tomografía computarizada
CT-score semicuantitativo

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