The Effects of Intubation Via McGrath Videolaryngoscope on Intraocular Pressure

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

50 participants

Study Classification

INTERVENTIONAL

Study Start Date

2016-12-31

Study Completion Date

2017-04-04

Brief Summary

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In this study, the investigators aimed to compare the effects of endotracheal intubation via direct laryngoscope (DLS) and McGrath Videolaryngoscope (VL) on intraocular pressure.

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Detailed Description

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Total of 50 American Society of Anesthesiologist Grade 1-2, Mallampati score 1 or 2, age between 18 to 65 patient planned to undergo nonopthalmic surgery will be included to study. Patients with glaucoma, diabetes mellitus, cardiovascular and pulmonary diseases, American Society of Anesthesiologist Grade III and IV, Body mass index more than 35, difficult intubation, undergo obstetrical surgery and propofol, fentanyl, rocuronium contraindicated will be excluded from the study. Patients will be divided randomly into 2 groups as direct laryngoscopic and videolaryngoscopic intubation group. Patients will be preoxygenated with %100 O2 for 3 minutes then anesthesia will be induced using propofol 2 mg / kg, fentanyl 1 mcg/kg, and rocuronium 0,5 mg / kg in both groups. After 3 minutes mask ventilation, patients will be intubated (women with No:7-7,5, men with No:8-8,5 intubation tube) by oral route. systolic blood pressure, diastolic blood pressure, mean arterial pressure, peripheral oxygen saturation, perfusion indexwill be recorded and intraocular pressure measured by ophthalmologist by tonopen device will be recorded pre-induction (basal), after induction, 1,2,3,5 minutes after intubation, respectively. Period between handling of laryngoscope or videolaryngoscope after termination of mask ventilation and obtain end tidal carbon dioxide will be accepted as application time and recorded. Study will be terminated after 5th minute values taken.

Conditions

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Intraocular Pressure

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

OTHER

Blinding Strategy

SINGLE

Investigators

Study Groups

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Videolaryngoscopy

Evaluate the difference between the two groups about hemodynamic and intraocular pressure responses.

Group Type ACTIVE_COMPARATOR

Videolaryngoscope

Intervention Type OTHER

This device is used in endotracheal intubation and tonopen device for measuring of intraocular pressure. The investigators want to evaluate which one is better.

Direct laryngoscopy

Evaluate the difference between the two groups about hemodynamic and intraocular pressure responses.

Group Type ACTIVE_COMPARATOR

Direct laryngoscope

Intervention Type OTHER

This device is used in endotracheal intubation and tonopen device for measuring of intraocular pressure. The investigators want to evaluate which one is better.

Interventions

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Videolaryngoscope

This device is used in endotracheal intubation and tonopen device for measuring of intraocular pressure. The investigators want to evaluate which one is better.

Intervention Type OTHER

Direct laryngoscope

This device is used in endotracheal intubation and tonopen device for measuring of intraocular pressure. The investigators want to evaluate which one is better.

Intervention Type OTHER

Eligibility Criteria

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Inclusion Criteria

* ASA (American Society of Anesthesiologist) Grade 1-2,
* Mallampati score 1 or 2,
* Age between 18 to 65,
* Patient planned to undergo nonopthalmic surgery

Exclusion Criteria

* Patients with glaucoma, diabetes mellitus, cardiovascular and pulmonary diseases, ASA Grade III and IV, BMI more than 35,
* Patients with difficult intubation,
* Patients undergoing obstetrical surgery and propofol, fentanyl, rocuronium contraindicated

Minimum Eligible Age

18 Years

Maximum Eligible Age

65 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No