Aim of this trial is to define if Post-Operative Cognitive Dysfunction and Delirium, detected analyzing changes between pre-operative and post-operative Neurocognitive Test, relate to concentration of effector's site concentration of propofol and remifentanil TCI and to the common intraoperative neuromonitoring values.
Age range
18 Years
Sex
ALL
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Incidence of Post-Operative Cognitive Dysfunction in spinal-surgery patients detected with Montreal Cognitive Assessment test
Timeframe: Patients will be subjected to Montreael Cognitive Assessment (MOCA) test one day before surgery and 1 day after surgery. This test has a score ranging from 1 (minimum) to 30 (maximum). Better neurocognitve outcome with higher scores)
Incidence of Post-Operative Cognitive Dysfunction in spinal-surgery patients detected with Trail Making Test A and B
Timeframe: Patients will be subjected to Trail Making Test (TMT) A and B one day before surgery and 1day after surgery. These tests will be evaluated in seconds required to be completed (better neurocognitive outcome with fewer seconds required)
Incidence of Post-Operative Cognitive Dysfunction in spinal-surgery patients detected with Digit Span Test
Timeframe: Patients will be subjected to DST one day before surgery and 1 day after surgery. Better neurocognitve outcome with higher scores
Incidence of Emergence Delirium in spinal-surgery patients
Timeframe: Patients will be subjected to CAM 15 minutes after the awakening after general anesthesia
Incidence of Emergence Delirium in spinal-surgery patients
Timeframe: Patients will be subjected to CAM 60 minutes after the awakening after general anesthesia