Utilité clinique de l’A-TCO
Résumé
L’angiographie par tomographie par cohérence optique (A-TCO) est une nouvelle technologie qui permet de produire de façon rapide et non effractive des images de la circulation sanguine avec une résolution inégalée de toutes les couches vasculaires de la rétine et de la choroïde. Cette technologie remonte à 2005, lorsque des chercheurs ont démontré que la circulation sanguine pouvait être visualisée à l’aide de la TCO à source balayée (TCO-SB) grâce aux propriétés du signal Doppler. Depuis lors, les progrès réalisés ont permis à la technologie de devenir de plus en plus accessible à la communauté clinique et a facilité le diagnostic ainsi que le suivi des patients. Cet article de synthèse met l’accent sur des exemples de maladies ophtalmiques pour lesquelles l’A-TCO offre une utilité clinique considérable, notamment la rétinopathie diabétique, la dégénérescence maculaire liée à l’âge, les occlusions veineuses rétiniennes, le syndrome des taches blanches et les premières recherches sur les maladies neurodégénératives.
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