Anesthesia, Disk Herniated Lumbar, Intraocular Pressure
Conditions
Keywords
prone position, intraocular pressure, hemodynamics, anesthesia,spinal, anesthesia,general
Brief summary
The aim of this study was to investigate the effects of anaesthesia methods on intraocular pressure during lumbar disc surgery performed in the prone position.
Detailed description
The study included 75 patients with lumbar disc herniation between the ages of 18-75, with the American Society of Anesthesiologists (ASA) 1-2. The patients were randomly divided into 3 groups: propofol, desflurane, spinal. Intraocular pressure (IOP) was measured at 5 time points throughout surgery, including baseline (T1), 10 minutes after anesthesia (T2), 10 minutes after prone positioning (T3: early prone), 30 minutes after prone positioning (T4: late prone), and 10 minutes after returning to the supine position (T5). Hemodynamic parameters were measured at these time points. Hemoglobin and hematocrit values were measured preoperatively and on the first postoperative day.
Interventions
Effect of spinal anesthesia on intraocular pressure
OTHERDesflurane Group
Effect of general anesthesia with desflurane on intraocular pressure
OTHERPropofol Group
Effect of general anesthesia with propofol on intraocular pressure
Sponsors
Giresun University
Study design
Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
DIAGNOSTIC
Masking
NONE
Intervention model description
The study included 75 patients with lumbar disc herniation between the ages of 18-75, with the American Society of Anesthesiologists (ASA) 1-2. The patients were randomly divided into 3 groups: propofol, desflurane, spinal. Intraocular pressure was measured at 5 time points throughout surgery, including baseline (T1), 10 minutes after anesthesia (T2), 10 minutes after prone positioning (T3: early prone), 30 minutes after prone positioning (T4: late prone), and 10 minutes after returning to the supine position (T5). Hemodynamic parameters were measured at these time points. Hemoglobin and hematocrit values were measured preoperatively and on the first postoperative day.
Eligibility
Sex/Gender
ALL
Age
18 Years to 75 Years
Healthy volunteers
No
Inclusion criteria
* ASA 1-2 according to the American Society of Anesthesiologists (ASA) Classification.
Exclusion criteria
* Who did not sign the informed consent form, * patients who required emergency surgery, * eye surgery recipients, * subjects with acute or chronic eye diseases other than refractive errors, * individuals detected to have elevated IOP in preoperative measurements
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| intraocular pressure | Time 1:baseline supine , Time 2: 10. minute supine, Time 3: 20. minute prone , Time 4: 30. minute prone,Time 5: 10. minute after returning to the supine | Intraocular pressure was measured a total of 5 times at set time points throughout the procedures. |
Secondary
| Measure | Time frame | Description |
|---|---|---|
| Mean Arterial Pressure | Time 1:baseline supine , Time 2: 10. minute supine, Time 3: 20. minute prone , Time 4: 30. minute prone,Time 5: 10. minute after returning to the supine | Mean Arterial Pressure was measured a total of 5 times at set time points throughout the procedures. |
| Heart Rate | Time 1:baseline supine , Time 2: 10. minute supine, Time 3: 20. minute prone , Time 4: 30. minute prone,Time 5: 10. minute after returning to the supine | Heart Rate was measured a total of 5 times at set time points throughout the procedures. |
| End Tidal Carbon Dioxide (CO2) | Time 1:baseline supine , Time 2: 10. minute supine, Time 3: 20. minute prone , Time 4: 30. minute prone,Time 5: 10. minute after returning to the supine | End Tidal CO2 was measured a total of 5 times at set time points throughout the procedures. |
Countries
Turkey (Türkiye)
Outcome results
None listed