Hypnotic; Withdrawal State With Delirium, Neurological Disorder, Postoperative Delirium, Postoperative Confusion, Anesthesia, Anesthesia Emergence Delirium, Gas; Inhalation
Conditions
Keywords
Deep Hypnotic State, Anesthesia, Postoperative complication, Neurosurgical disorder
Brief summary
Determining the efficacy of the BIS monitor in monitoring deep hypnotic states as well as intra- and post-operative outcomes in neurosurgery patients
Detailed description
This study will be conducted with a two-group, double-blind, randomized clinical trial design in elective patients who will undergo neurosurgical procedures under general anesthesia. Patients scheduled for elective neurosurgery who meet the inclusion criteria will be randomized into one of the intervention groups, with or without BIS. Demographic data will be taken from medical records. In both groups, the BIS probe will be inserted before induction, but for the control group, the BIS monitor will be closed, while for the intervention group, anesthesia will be titrated according to the BIS value to maintain the BIS value in the range of 40-60. In the group with an open BIS, the anesthesia protocol is the use of anesthetic gas, and the anesthetic drug will be adjusted to the BIS value range of 40-60 or BIS-guided, while the anesthesia protocol used in a closed BIS is carried out like general anesthesia without using BIS. The BIS value will be recorded minute by minute according to the extraction feature of the BIS machine after surgery. The total use of anesthetic agents, duration of surgery, and intraoperative hemodynamics will be recorded through anesthesia status. The patient will follow the progress until the patient is discharged from the hospital
Interventions
DEVICEBIS
In the group with BIS where the anesthesia protocol is opened, namely the use of anesthetic gas, the anesthetic drug will be adjusted to the BIS value range of 40-60 or BIS-guided
Sponsors
Indonesia University
Study design
Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
DOUBLE (Subject, Caregiver)
Masking description
The anesthesia protocol used in closed BIS is carried out like general anesthesia without using BIS.
Intervention model description
In the group with BIS where the anesthesia protocol is opened, namely the use of anesthetic gas, the anesthetic drug will be adjusted to the BIS value range of 40-60 or BIS-guided
Eligibility
Sex/Gender
ALL
Age
30 Years to 60 Years
Healthy volunteers
No
Inclusion criteria
* Patients aged 30-60 years with an ASA tolerance of 1-2 who will undergo general anesthesia techniques * Operation duration \> 3 hours * The patient agrees to take part in the study.
Exclusion criteria
* Continuous intraoperative use of ketamine, magnesium sulfate, dexmedetomidine, lidocaine agents * Massive bleeding that causes hemodynamic disturbances * Severe electrolyte disturbances * Severe liver or kidney function disorders * The patient was decided not to extubate in the operating room
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| Deep Hypnotic State | During surgery and up to 24 hours after surgery | the state of depth of anesthesia where the Bispectral Index value is \<40. is calculated from the beginning of induction to the end of the operation and accumulated at the end of the operation. |
| Total use of anesthetic agents | During surgery and up to 24 hours after surgery | The amount of anesthetic gas used from the start of the operation to the end of the operation |
| Number of Participants with Hypotension and Bradycardia Intraoperative | During surgery and up to 24 hours after surgery | Intraoperative hypotension was defined as systolic blood pressure \<90 mm Hg for \>5 minutes or a 35% decrease in MAP. Intraoperative bradycardia was defined as a heart rate \<60 beats/min for \>5 minutes |
| Vasopressor use | Before surgery, during surgery, up to 24 hours after surgery | Use of vasopressor agents (dopamine, dobutamine, norepinephrine, epinephrine, etc.) will be calculated and totaled at the end of surgery. |
| Incidence of delirium | up to 24 hour after surgery | The method for measuring the incidence of delirium will be assessed by researchers using the CAM (Confusion Assessment Method) questionnaire which has been validated in Indonesian |
| Incidence of mortality | up to 28 days after surgery | The incidence of death after surgery in hospital or outside the hospital |
| Lenght of stay | From the date of randomization until 28 days after surgery | The length of stay is measured from days after surgery until being discharged from the hospital. |
| Duration of recovery | up to 7 days post operative | The duration of recovery was measured from post-operative day 0 until the patient was able to return to the patient's baseline function |
Outcome results
None listed