About this trial
1. To explore whether the combined administration of dexmedetomidine during and after surgery in patients undergoing brain tumor resection is an effective and safe modality to prevent postoperative delirium and improve sleep quality than giving it alone after surgery. 2. To explore whether intraoperative and postoperative administration of dexmedetomidine to patients undergoing brain tumor surgery can reduce postoperative acute pain and prevent chronic pain. 3. To explore whether intraoperative and postoperative administration of dexmedetomidine to patients undergoing brain tumor surgery can provide stable anesthesia depth, hemodynamics and reduce the dose of anesthetics, thereby accelerating patient recovery.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
at least 18 years old and less than 80 years old
receive brain tumor surgery with ASA II~III.
Disqualifiers
under the age of 18 or over 80
consciousness unclear
those who have not signed a consent form
those with high anesthesia risk ASA IV or higher
Trial design
Single group
Treatments tested in this trial
Dexmedetomidine
DrugDuring the surgery, target-controlled infusion (TCI) pumps were used, employing the Dyck model for continuous infusion of propofol, with the target plasma concentration maintained at 0.2 ng/ml. Postoperatively, propofol was infused at a rate of 0.2-0.4 mcg/kg/hr according to the intensive care unit's protocol, until the patient had the endotracheal tube removed.
Normal Saline
DrugDuring the surgery, equal volumes of saline were injected. After the surgery, the patient was transferred to the intensive care unit, where propofol was continuously infused at a rate of 0.2-0.4 mcg/kg/hr according to the ICU protocol, until the endotracheal tube was removed.
Treatment groups
Trial outcomes
Primary outcomes
Assessment and Documentation of Delirium
Confusion assessment method in intensive care unit using questionnaire(CAM-ICU), The evaluation method is "yes" or "no," with "no" being the best.
Assessment and Documentation of Delirium
3-minute diagnostic interview with confusion assessment method (3D-CAM), The evaluation method is "yes" or "no," with "no" being the best.
Assessment and Documentation of Delirium
Richmond Agitation-Sedation Scale (RASS) ,The score ranges from +4 to -5, with +4 being the best.
Assessment and Documentation of Delirium
Numerical Rating Scale (NRS) ,The score ranges from 0 to 10, with 0 being the best.
Sponsors and contacts
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