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Rev. chil. radiol ; 21(4): 151-157, 2015. ilus, tab
Article in Spanish | LILACS | ID: lil-773285

ABSTRACT

The accidental release of intravenous contrast media (ICM) from the intravascular compartment to the adjacent soft tissues is one of the most frequent complications of the injection procedure in multi-slice CT (MSCT). Its incidence is low, occurring in between 0.1 and 0.9 percent of patients undergoing these studies. Affected areas usually present mild lesions characterized by swelling and local erythema and that tend to resolve spontaneously without sequelae. However, serious lesions may also occur, such as compartment syndrome. For these reasons it is essential to know patients at risk, precautionary measures, specific technical factors, early diagnosis and appropriate management of this complication. These elements constitute basic skills that every radiologist must possess.


La salida accidental de medio de contraste intravenoso (MCI) desde el compartimento intravascular hacia los tejidos de partes blandas adyacentes es una de las complicaciones más frecuentes del procedimiento de inyección en tomografía computada multicorte (TCMC). Su incidencia es baja, ocurre entre el 0,1 y el 0,9 porciento de los pacientes que se someten a estos estudios. Las zonas afectadas generalmente presentan lesiones leves caracterizadas por aumento de volumen y eritema local que tienden a remitir espontáneamente sin secuelas. Sin embargo, también pueden ocurrir lesiones graves, como un síndrome compartimental. Por estas razones es fundamental conocer los pacientes en riesgo, las medidas de precaución, los factores técnicos específicos, el diagnóstico precoz y el manejo oportuno de esta complicación. Estos elementos constituyen competencias básicas que todo radiólogo debe poseer.


Subject(s)
Humans , Extravasation of Diagnostic and Therapeutic Materials/etiology , Extravasation of Diagnostic and Therapeutic Materials , Contrast Media/adverse effects , Tomography, X-Ray Computed/adverse effects , Quality Control , Extravasation of Diagnostic and Therapeutic Materials/epidemiology , Extravasation of Diagnostic and Therapeutic Materials/therapy , Risk Factors , Radiology
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