Intracranial Pressure Increase
Conditions
Keywords
Laryngeal airway mask, Optic Nerve sheath Diameter, Intracranial Pressure
Brief summary
The goal of this observational trial is to study the effect of a laryngeal airway mask on the optic nerve sheath diameter, as a surrogate for intracranial pressure. The optic nerve sheath diameter of participants will be measured under general anesthesia, before, during and after insertion of a laryngeal airway mask.
Interventions
OTHERoptic nerve sheath diamater
Measurement of optic nerve sheath diameter
Sponsors
Erasmus Medical Center
Study design
Observational model
COHORT
Time perspective
PROSPECTIVE
Eligibility
Sex/Gender
ALL
Age
18 Years to No maximum
Inclusion criteria
* In order to be eligible to participate in this study, a subject must meet all of the following criteria: aged 18 years or older, ASA I or ASA II, scheduled for elective surgery under general anesthesia, with a planned duration of \> 30 minutes, that can be routinely performed with a LMA.
Exclusion criteria
* Scheduled for head or neck surgery * Scheduled for neurosurgery * Scheduled for laparoscopic or thorascoscopic procedures * Scheduled for procedures that require Trendelenburg or anti-Trendelenburg positioning * Neurological disorders * Glaucoma * History of bilateral eye related trauma * Intellectual disability
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Effect of insertion of a laryngeal airway mask on optic nerve sheath diameter | During surgery |
Secondary
| Measure | Time frame |
|---|---|
| Effect of laryngeal ariway mask after insertion on optic nerve sheath diameter | During surgery |
| Effect of layngeal airway mask on optic nerve sheath diameter interna vs optic nerve sheath diameter externa | During surgery |
Countries
Netherlands
Contacts
Primary ContactDr. Maissan
Backup ContactRutger Hollestelle
Outcome results
None listed