PACREU, Susana et al. Density spectral array during the intra and postoperative of a left frontal craniotomy. []. , 47, 3, pp.194-197.   06--2019. ISSN 0120-3347.  https://doi.org/10.1097/cj9.0000000000000114.

We present the case of an adult with an extensive left frontal meningioma. He was scheduled for resection by craniotomy. During the surgery we used the density spectral array (DSA) and asymmetry obtained from Bispectral Index VISTA Monitoring System Bilateral. We observed a power increase in low frequency (0.1-1 Hz) and alpha bands (8-12 Hz) in the left hemisphere, where the meningioma was located. In this case, DSA was useful during and after the surgery because it provided information about the hemisphere with maximum brain activity and its subsequent normalization, which may reflect the effectiveness of the surgery.

: Meningioma; Consciousness Monitors; Postoperative Care; Electroencephalography; Craniotomy.

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