Résumé
La scintigraphie myocardique de stress constitue depuis près de trente ans un examen clé pour la recherche de l’ischémie. Elle cible les processus cellulaires et les événements physiopathologiques initiaux de la cascade ischémique (fig. 1). Plus de 11 millions de scintigraphies myocardiques de stress sont pratiquées par an aux États-Unis. Depuis l’avènement du 201thallium dans les années 1970, elle a connu des progrès continuels. La tomoscintigraphie SPECT (single photon emission computed tomography) a remplacé les images planaires dans les années 1980, les traceurs technétiés ont amélioré la qualité d’image et ont conduit à des protocoles plus souples à partir des années 1990 ; plus récemment, la synchronisation à l’ECG (Gated-SPECT) a permis l’évaluation concomitante de la fonction ventriculaire. Ce chapitre dresse l’état de l’art de la scintigraphie myocardique conventionnelle tout en pointant ses limites, et annonce les progrès attendus avec l’imagerie hybride, les caméras à semi-conducteurs et le PET/CT.
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© 2011 Springer-Verlag France, Paris
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Demangeat, JL., Didon-Poncelet, A., Steinbach, M. (2011). Scintigraphie et ischémie myocardique en 2011. In: Imagerie en coupes du cœur et des vaisseaux. Springer, Paris. https://doi.org/10.1007/978-2-8178-0212-1_15
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DOI: https://doi.org/10.1007/978-2-8178-0212-1_15
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