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Évaluation de la recanalisation au cours des accidents ischémiques cérébraux : intérêt de la séquence IRM en T2* et de la spectroscopie de proche infra-rouge

Thomas Ritzenthaler 1
1 MOTIVATE - Imagerie et modélisation Vasculaires, Thoraciques et Cérébrales
CREATIS - Centre de Recherche en Acquisition et Traitement de l'Image pour la Santé : 139739
Abstract : Acute ischemic stroke treatments (intravenous thrombolysis, mechanical thrombectomy) aim to restore an affective brain perfusion in order to improve neurological outcome. We first evaluated the predictive value of susceptibility vessel sign (SVS) on T2* MRI sequence after intravenous thrombolysis and studied course of SVS using sequential MRI assessment. We confirm that SVS is a strong predictor of no recanalisation, and underline discrepancies between MR angiography and T2* data. In the second part, we assessed the usefulness of near-infrared spectroscopy (NIRS) to monitor recanalisation during mechanical thrombectomy. NIRS is a reliable tool, but still suffer of challenging limitations
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Submitted on : Monday, September 17, 2018 - 7:01:07 PM
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Thomas Ritzenthaler. Évaluation de la recanalisation au cours des accidents ischémiques cérébraux : intérêt de la séquence IRM en T2* et de la spectroscopie de proche infra-rouge. Neurosciences. Université de Lyon, 2018. Français. ⟨NNT : 2018LYSE1065⟩. ⟨tel-01875809⟩

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