Predicting difficult laryngoscopy using ultrasonographic airway indices- prospective,observational, single blinded study.
试验速览
- 阶段
- 不适用
- 状态
- 尚未招募
- 入组人数
- 160
- 试验地点
- 1
- 主要终点
- Modified Cormack-Lehane
研究概览
简要总结
Preanesthetic check-up and clinical assessment of airway will be done.
Consultant Anaesthesiology will perform 2D USG of the airway with patient in supine, sniffing position using ultrasonography linear probe of 6-13MHz.
Distance
Between Skin and hyoid bone (DSHB) and
Between Skin and epiglottis DSE) will be measured in transverse plane.
After complete evaluation general anesthesia is induced with propofol (2-2.5mg/kg), fentanyl (2-4mcg/kg) and vecuronium (0.08-0.1mg/kg).
oAfter verifying adequate neuromuscular relaxation direct laryngoscopy using Macintosh blade will be performed in sniffing position to evaluate Cormack-Lehane grade followed by tracheal intubation.
Patient will be assessed for
Easy laryngoscopy- Grade 1-2a
Difficult laryngoscopy- Grade 2b-4
Number of intubation attempts/ intubation aids/ Need for difficult intubation approach or invasive approach will be noted.
研究设计
- 研究类型
- Observational
入排标准
- 年龄范围
- 18.00 Year(s) 至 90.00 Year(s)（—）
- 性别
- All
入选标准
- •ASA I-III patients Undergoing general anesthesia for elective surgery Age 18-90 years Informed consent.
排除标准
- •Body mass index greater than or equal to 30kg per metre square Pregnancy Neck swelling History of radiation therapy to neck Maxillofacial or cervical abnormalities Restricted mouth opening.
结局指标
主要结局
Modified Cormack-Lehane
时间窗: Baseline
Grade 1 to 2a Easy laryngoscopy
时间窗: Baseline
Grade 2b to 4 Difficult laryngoscopy
时间窗: Baseline
Grade 2b
时间窗: Baseline
次要结局
- Easy laryngoscopy: Cormack-lehane grade 1 to 2a(Difficult laryngoscopy: Cormack-lehane grade 2b-4a)