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Imaging integrato

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Cardiologia dello Sport

Abstract

Nel corso di questi ultimi anni lo sviluppo delle tecniche di imaging coronarico ha ridefinito i limiti e l’utilità dell’angiografia coronarica, ancor oggi considerata la tecnica di imaging più accurata per la valutazione della cardiopatia ischemica. Tuttavia la visualizzazione della maggior parte delle placche responsabili di un evento coronarico acuto non è evidenziabile da questa tecnica. La presenza di queste limitazioni ha favorito lo sviluppo di sistemi di imaging integrato in sala di emodinamica quali l’IVUS (Intravascular Ultrasound) e l’OCT (Optical Choerence Thomography).

L’IVUS fornisce un’immagine diretta e in tempo reale dell’ateroma, garantendo una prospettiva tomografica delle coronarie e della placca aterosclerotica; inoltre con la virtual histology le varie componenti tissutali vengono codificate in mappe di colori, fornendo un surrogato dell’istologia nello studio dell’aterosclerosi in vivo.

L’OCT è una tecnologia di imaging ad alta risoluzione che utilizza una sorgente di luce che permette accurate misurazioni delle aree, dei diametri luminali, e una minuziosa caratterizzazione della placca con la possibilità di misurarne lo spessore della capsula fibrosa che la delimita.

Quindi le nuove metodiche di imaging coronarico hanno affiancato la tradizionale angiografia coronarica e segnato un punto di svolta nell’interpretazione della malattia coronarica.

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Fioranelli, M., D’Angeli, I., Pironi, B. (2011). Imaging integrato. In: Cardiologia dello Sport. Springer, Milano. https://doi.org/10.1007/978-88-470-2352-9_11

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  • DOI: https://doi.org/10.1007/978-88-470-2352-9_11

  • Publisher Name: Springer, Milano

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