Intraocular pressure changes: the McGrath video laryngoscope vs the Macintosh laryngoscope; a randomized trial - 12/10/16
: Assistant Professor, Serkan Dogru a : Assistant Professor, Serkan Karaman a : Associate Professor, Selim Demir b : Assistant Professor, Ziya Kaya a : Associate Professor, Mustafa Suren a : Associate Professor, Semih Arici a : Associate Professor, Mursel Kahveci c : Medical Doctor, Sait Alim b : Assistant ProfessorAbstract |
Study Objective |
To determine the effects of the McGrath Series 5 video laryngoscope on intraocular pressure (IOP) during laryngoscopy.
Design |
Prospective, randomized, double blind.
Setting |
Operating room.
Patients |
Eighty adult patients of American Society of Anesthesiologist physical status 1 scheduled for nonophthalmic elective surgery under general anesthesia.
Interventions |
The endotracheal intubation was provided using McGrath series 5 video laryngoscope in MG group (n=40) or Macintosh laryngoscope in M group (n=40).
Measurements |
The IOP of the right and left eyes was measured before and after the laryngoscopic process.
Main Results |
The mean arterial blood pressure values just before laryngoscopy and intubation and after intubation were 77.38±6.18 and 97.38±12.77 in the McGrath video laryngoscope group and 75.85±7.88 and 99.12±14.30 in the Macintosh laryngoscope group, respectively. The IOP values of the left eye after intubation and at the 5th and the 10th minutes in the Macintosh laryngoscope group were found to be significantly higher than those in the McGrath video laryngoscope group (P=.019, P=.019, and P=.007, respectively). In addition, the IOP values of the right eye were found to be higher after intubation and at the 5th and the 10th minutes in the Macintosh laryngoscope group, compared to the McGrath video laryngoscope group (P=.009, P=.021, and P=.011, respectively). The mean IOP values for the left eye just before laryngoscopy and intubation and after intubation were 10.65±2.52 and 15.57±3.62 in the McGrath video laryngoscope group, and for the right eye, they were 10.60±1.64 and 17.17±2.38 in the Macintosh laryngoscope group, respectively.
Conclusion |
The McGrath Series 5 video laryngoscope may provide a lower IOP level compared to the Macintosh laryngoscope in an otherwise healthy, young patient population.
Le texte complet de cet article est disponible en PDF.Highlights |
• | The response to tracheal intubation is associated with increased intraocular pressure. |
• | However, the effects of video laryngoscope on intraocular pressure remains unclear. |
• | We compared the McGrath series 5 video laryngoscope to Macintosh laryngoscope |
• | The intraocular pressure values were increased during laryngoscopy with the Macintosh laryngoscope. |
Keywords : Anesthesia, Intraocular pressure, Ocular hemodynamics, Tonometry, Ocular
Plan
| Disclosures: This research received no specific grant from any funding agency in the public, commercial, or not-for-profit sectors. The authors have no conflicts of interest to declare. |
Vol 34
P. 358-364 - novembre 2016 Retour au numéro
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