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Resonancia magnética del tórax - Risks

Nombres alternativos

Resonancia magnética nuclear del tórax; Imágenes por resonancia magnética (IRM) del tórax; RMN del tórax; Resonancia magnética del tórax; IRM torácica

Riesgos:

La resonancia magnética no contiene ninguna radiación y, hasta la fecha, no se ha informado de efectos secundarios a causa de los campos magnéticos y las ondas de radio.

El tipo de medio de contraste (tinte) utilizado más común es el gadolinio, el cual es muy seguro. Las reacciones alérgicas a esta sustancia rara vez ocurren. Sin embargo, el gadolinio puede ser dañino para pacientes con problemas renales que requieran diálisis. Si usted tiene problemas en el riñón, por favor coméntele al médico antes del examen.

Los fuertes campos magnéticos que se crean durante una resonancia magnética pueden provocar que los marcapasos cardíacos y otros implantes no funcionen igual de bien. También pueden provocar que otros pedazos de metal dentro del cuerpo se desplacen o cambien de posición.

Consideraciones:

Actualmente, la resonancia magnética no se considera una herramienta valiosa para reconocer o vigilar cambios ligeros en el tejido pulmonar, ya que los pulmones contienen principalmente aire y es difícil tomarles imágenes.

Las desventajas de la resonancia magnética abarcan:

  • Costo alto
  • Duración prolongada del examen
  • Sensibilidad al movimiento
  • Reviewed last on: 1/18/2010
  • David C. Dugdale, III, MD, Professor of Medicine, Division of General Medicine, Department of Medicine, University of Washington School of Medicine. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

Referencias

Aziz ZA, Hansell DM. Techniques in thoracic imaging. In: Grainger RC, Allison D, Adam, Dixon AK, eds. Diagnostic Radiology: A Textbook of Medical Imaging. 5th ed. New York, NY: Churchill Livingstone; 2008:chap 11.

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