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Theses

La chirurgie éveillée chez l'enfant

Abstract : Intraoperative cortical and subcortical direct stimulation surgery while awake (CSCSSA) is rarely used to operate in functional areas of the brain in children. Only small series have been published regarding children. However, this procedure is considered to be a gold standard for identifying and preserving the eloquent cortical and subcortical sites. Indeed the child’s survival and the quality of life depend on the quality of the tumor resection. The unifying idea of my thesis was the transfer of the CSCSSA from adults to children.The first work of this thesis was to study the feasibility of the CSCSSA in children through our clinical experience. We also showed that CSCSSA could be applied in children in a safe way with good clinical and radiological results. Some precautions should also be observed, notably concerning the preparation of these young patients. The second step of this thesis was to evaluate the psychological impact of this kind of procedure in children, thanks to the cooperation of the child psychiatrists. The child’s experience was good in every case. None of our patients presented symptoms of post-traumatic stress disorder after the surgery. The third objective was to evaluate the use of resting state functional MRI (rsfMRI) in children for the preoperative planning. We demonstrated not only the strong correlation between rsfMRI and brain electrical mapping, but also the superiority in terms of sensibility and specificity of rsfMRI compared to task based functional MRI. Indeed rsfMRI allowed us to isolate the attentional networks, which interfere with the results of task based functional MRI.
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  • HAL Id : tel-02613225, version 1

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Matthieu Delion. La chirurgie éveillée chez l'enfant. Chirurgie. Université d'Angers, 2016. Français. ⟨NNT : 2016ANGE0073⟩. ⟨tel-02613225⟩

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