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Inicio Radiología (English Edition) Update on imaging in Code Stroke
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Vol. 65. Issue S1.
Pages S3-S10 (March 2023)
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Vol. 65. Issue S1.
Pages S3-S10 (March 2023)
Update on imaging in Code Stroke
Actualización del código ictus en urgencias
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238
M. Grau Garcíaa,
Corresponding author
mikelgrau@gmail.com

Corresponding author.
, M. Pérez Beaa, A. Angulo Saiza, V. Díez Fontanedab, E. Cintora Leonc
a Médico adjunto de Radiodiagnóstico, Sección Urgencias, Hospital Universitario Basurto, Bilbao, Vizcaya, Spain
b Médico residente de Radiodiagnóstico, Hospital Universitario Basurto, Bilbao, Vizcaya, Spain
c Jefa de Servicio de Radiodiagnóstico, Hospital Universitario Basurto, Bilbao, Vizcaya, Spain
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Vol. 65. Issue S1
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Abstract

“Code Stroke” is a multidisciplinary procedure designed to detect acute ischemic strokes and transfer patients for early reperfusion.

Selecting these patients requires multimodal imaging with either CT or MRI. 1) Conventional studies without contrast material are obligatory to detect bleeding. Applying the ASPECTS scale, these studies can also identify and quantify areas of early infarction. 2) In candidates for mechanical thrombectomy, angiographic studies are necessary to identify stenoses and obstructions and to evaluate the collateral circulation. 3) Patients with known onset between 6 and 24h or with unknown onset require perfusion studies to distinguish between infracted tissue and recoverable ischemic tissue.

Semi-automatic software facilitates diagnosis, but radiologists must interpret its output.

Keywords:
Brain/diagnostic imaging
Perfusion imaging
Digitized image processing
Computed tomography
Magnetic resonance imaging
Stroke
Artificial intelligence
Patient selection
Resumen

El «código ictus» es un procedimiento multidisciplinar diseñado para detectar los ictus agudos de origen isquémico y trasladar a los pacientes para una terapia de reperfusión temprana.

Para la selección de estos pacientes es necesario un estudio radiológico multimodal indistintamente con TC o RM: 1) exploración convencional sin contraste, obligatoria para detectar sangrado; también identifica y cuantifica las áreas de infarto precoz utilizando la escala ASPECTS; 2) estudio angiográfico, necesario en pacientes candidatos a tratamiento mecánico intraarterial; identifica estenosis y obstrucciones y valora la circulación colateral; 3) estudio de perfusión para los pacientes con evolución de entre 6 y 24h o tiempo indeterminado desde el inicio del evento que discrimina tejido infartado de tejido isquémico recuperable.

Los softwares semiautomáticos facilitan el diagnóstico, pero precisan la interpretación del radiólogo.

Palabras clave:
Cerebro/imagen diagnóstica
Imagen de perfusión
Procesos de imagen digitalizados
Tomografía computarizada
Resonancia magnética
Ictus
Inteligencia artificial
Selección de pacientes

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