title: Bispectral index (BIS) as a fast indicator of brain stem compression in posterior cervical spine surgery in the sitting position.
authors.forename: Simón López
authors.initials: SL
authors.lastname: Soto
authors.forename: Alberto Martínez
authors.initials: AM
authors.lastname: Tellería
authors.forename: María José
authors.initials: MJ
authors.lastname: Pacheco Adamuz
mesh_terms: D000368:Aged; D000768:Anesthesia, General; D001933:Brain Stem / Q000502:physiology*; D056805:Consciousness Monitors; D005260:Female; D006801:Humans; D007431:Intraoperative Complications / Q000175:diagnosis*; D008279:Magnetic Resonance Imaging; D011187:Posture / Q000502:physiology*; D013117:Spinal Cord Compression / Q000175:diagnosis*; D013125:Spinal Neoplasms / Q000601:surgery; D013131:Spine / Q000601:surgery*