The Comparison of the Effects of McGrath Video Laryngoscope and the Macintosh Laryngoscope on Intraocular Pressure: A Randomized Trial
试验速览
- 阶段
- 4 期
- 状态
- 已完成
- 发起方
- 入组人数
- 80
- 试验地点
- 2
- 主要终点
- Intraocular pressure
研究概览
简要总结
This study is designed to compare the effects of the McGrath Series 5 video laryngoscope and Macintosh laryngoscope on intraocular pressure during laryngoscopy.
详细描述
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.
研究设计
- 研究类型
- Interventional
- 分配方式
- Randomized
- 干预模型
- Parallel
- 主要目的
- Screening
- 盲法
- Double (Participant, Outcomes Assessor)
入排标准
- 年龄范围
- 18 Years 至 60 Years（Adult）
- 性别
- All
- 接受健康志愿者
- 否
入选标准
- •American society of anesthesiologist physical status I
- •Non-ophthalmic elective surgery under general anesthesia
排除标准
- •A history of pre-existing glaucoma or previous intraocular surgery
- •Thyromental distance below 6cm
- •Maximum mouth opening below 3cm
- •Mallampati score of III or IV
- •Pre-anesthetic intraocular pressure above 20 mmHg
- •Number of intubation attempts more than 2
- •Obstetric or laparoscopic surgery
结局指标
主要结局
Intraocular pressure
时间窗: during laryngoscopy
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.
次要结局
未报告次要终点
研究者
Tuğba Karaman
Assistant Professor, M.D.
Tokat Gaziosmanpasa University