Pupillary Diameter Under Different Concentrations of Propofol
Not Applicable
Completed
- Conditions
- Anesthesia
- Interventions
- Device: Pupillary diameter measurement
- Registration Number
- NCT02998424
- Lead Sponsor
- Hôpital Armand Trousseau
- Brief Summary
Resting pupillary diameter was measured at a randomized Effect-site target concentration of propofol used as a sole anesthetic.
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- COMPLETED
- Sex
- All
- Target Recruitment
- 40
Inclusion Criteria
- patient who has reached puberty
- ASA I or II who is scheduled for elective surgery under general anesthesia
Exclusion Criteria
- neurologic, metabolic, ocular disease
- chronic pain
- under medication that interferes with autonomic nervous system
- obesity
- patient requiering a rapid sequence induction
Study & Design
- Study Type
- INTERVENTIONAL
- Study Design
- PARALLEL
- Arm && Interventions
Group Intervention Description Propofol 2 µg/ml Propofol Patients received a propofol infusion at an effect-site concentration of 2 µg/ml at the beginning of induction of general anesthesia for elective surgery. Pupillary diameter measurement after 10 minutes. Propofol 1 µg/ml Pupillary diameter measurement Patients received a propofol infusion at an effect-site concentration of 1 µg/ml at the beginning of induction of general anesthesia for elective surgery. Pupillary diameter measurement after 10 minutes. Propofol 1 µg/ml Propofol Patients received a propofol infusion at an effect-site concentration of 1 µg/ml at the beginning of induction of general anesthesia for elective surgery. Pupillary diameter measurement after 10 minutes. Propofol 2 µg/ml Pupillary diameter measurement Patients received a propofol infusion at an effect-site concentration of 2 µg/ml at the beginning of induction of general anesthesia for elective surgery. Pupillary diameter measurement after 10 minutes. Propofol 3 µg/ml Propofol Patients received a propofol infusion at an effect-site concentration of 3 µg/ml at the beginning of induction of general anesthesia for elective surgery. Pupillary diameter measurement after 10 minutes. Propofol 3 µg/ml Pupillary diameter measurement Patients received a propofol infusion at an effect-site concentration of 3 µg/ml at the beginning of induction of general anesthesia for elective surgery. Pupillary diameter measurement after 10 minutes.
- Primary Outcome Measures
Name Time Method Pupillary diameter Instantaneous measure, 10 minutes after the beginning of the study period
- Secondary Outcome Measures
Name Time Method Bispectral Index (BIS) continuous measure, recorded10 minutes after the beginning of the study period Observer's Assessment of Alertness/Sedation Scale (OAAS) 10 minutes after the beginning of the study Clinical score
Heart rate continuous measure, recorded10 minutes after the beginning of the study period
Related Research Topics
Explore scientific publications, clinical data analysis, treatment approaches, and expert-compiled information related to the mechanisms and outcomes of this trial. Click any topic for comprehensive research insights.
What molecular mechanisms of propofol affect pupillary diameter in anesthesia?
How does propofol compare to other anesthetics in maintaining pupillary response?
Are there specific biomarkers that correlate with propofol-induced pupillary changes?
What adverse events are associated with propofol's effect on pupillary diameter?
What drug combinations enhance propofol's anesthetic effects while monitoring pupillary response?
Trial Locations
- Locations (1)
Departement d'anesthesie Hopital Armand Trousseau
🇫🇷Paris, France
Departement d'anesthesie Hopital Armand Trousseau🇫🇷Paris, France