Khan Mueen Ullah, Khokar Rashid, Qureshi Sadia, Al Zahrani Tariq, Aqil Mansoor, Shiraz Motasim
Department of Anesthesia, College of Medicine, King Saud University, Riyadh, Saudi Arabia.
Saudi J Anaesth. 2016 Oct-Dec;10(4):428-431. doi: 10.4103/1658-354X.179113.
To evaluate the conventional practice of endotracheal tube (ETT) cuff inflation and pressure measurement as compared to the instrumental method.
Prospective observational study.
Department of Anaesthesia, King Saud University Hospital, Riyadh, Saudi Arabia (June 2014-July 2014).
A total of 100 adult patients were observed according to the syringe size used Group-1 (10 ml) and Group-2 (20 ml) for ETT cuff inflation in general anesthesia. Patients with anticipated difficult intubation, risk for aspiration, known anatomical laryngotracheal abnormalities, and emergency cases were excluded. Trachea was intubated with size 8 or 8.5 mm and 7.0 or 7.5 mm ETT in male and female patients respectively. The ETT cuff was inflated with air by one of the anesthesia technician. Cuff pressures were measured using aneroid manometer. ETT cuff pressure of 20-30 cm of water was considered as standard.
In 69% of the patients, the cuff pressure measurements were above the standard. Age ( = 0.806), weight ( = 0.527), height ( = 0.850), and gender ( = 1.00) were comparable in both groups. The mean cuff pressure in Group-1 and Group-2 was 32.52 ± 6.39 and 38.90 ± 6.60 cm of water ( = 0.001). The cuff inflation with 20 ml syringe resulted in higher cuff pressure as compared to 10cc syringe 37.73 ± 4.23 versus 40.74 ± 5.01 (86% vs. 52%, = 0.013).
The conventional method for ETT cuff inflation and pressure measuring is unreliable. As a routine instrumental cuff pressure, monitoring is suggested.
评估气管内导管（ETT）套囊充气和压力测量的传统方法与仪器测量方法相比的情况。
前瞻性观察研究。
沙特阿拉伯利雅得国王沙特大学医院麻醉科（2014年6月至2014年7月）。
根据用于全身麻醉中ETT套囊充气的注射器大小，将100例成年患者分为两组，第一组（10 ml）和第二组（20 ml）。排除预计插管困难、有误吸风险、已知喉气管解剖异常的患者以及急诊病例。男性和女性患者分别使用8或8.5 mm以及7.0或7.5 mm的ETT进行气管插管。由一名麻醉技术人员用空气给ETT套囊充气。使用无液压力计测量套囊压力。ETT套囊压力20 - 30 cm水柱被视为标准。
69%的患者套囊压力测量值高于标准。两组患者的年龄（P = 0.806）、体重（P = 0.527）、身高（P = 0.850）和性别（P = 1.00）具有可比性。第一组和第二组的平均套囊压力分别为32.52±6.39 cm水柱和38.90±6.60 cm水柱（P = 0.001）。与10 ml注射器相比，使用20 ml注射器进行套囊充气导致更高的套囊压力，分别为37.73±4.23 cm水柱和40.74±5.01 cm水柱（86%对52%，P = 0.013）。
ETT套囊充气和压力测量的传统方法不可靠。建议作为常规操作使用仪器监测套囊压力。
