This study is designed to compare the effects of the McGrath Series 5 video laryngoscope and Macintosh laryngoscope on intraocular pressure during laryngoscopy.
The stability of the intraocular pressure plays an important role during ophthalmic surgery. The systemic blood pressure, aqueous humor dynamics, choroidal blood volume, central venous pressure, extra-ocular muscle tone, and also conventional laryngoscopy affect the intraocular pressure.It was shown that the new devices for laryngoscopy, such as video laryngoscopes provide minimal hemodynamic changes when compared to direct laryngoscopes. However there is no current data about the effects of the intubation with McGrath videolaryngoscope on intraocular pressure. The main objective of this study to compare the effects of the McGrath Series 5 video laryngoscope and Macintosh laryngoscope on intraocular pressure during laryngoscopy.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
SCREENING
Masking
DOUBLE
Enrollment
80
The patient will be intubated using McGrath series 5 video laryngoscope and the intraocular pressure of the patient will be evaluated with Tonopen XL tonometer
The patient will be intubated using Macintosh laryngoscope and the intraocular pressure of the patient will be evaluated with Tonopen XL tonometer
Gaziosmanpasa University Medical School
Tokat Province, Turkey (Türkiye)
Intraocular pressure
The intraocular pressure measurement will be performed using a Tono-Pen XL tonometer (Reichert Inc., USA) by an ophthalmologist who is blind to the intubation device used.
Time frame: during laryngoscopy
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