Supreme喉罩不同套囊充气压力对颈内静脉血流的影响  

Effects of different cuff pressures of the Supreme laryngeal mask airway on the blood flow of the internal jugular vein

作　　者：张静静[1] 华震[1] 左明章[1] 张宏业[1] Zhang Jingjing;Hua Zhen;Zuo Mingzhang;Zhang Hongye(Department of Anesthesiology,Beijing Hospital,National Center of Gerontology,Institute of Geriatric Medicine,Chinese Academy of Medi⁃cal Sciences,Beijing 100730,China)

机构地区：[1]北京医院麻醉科,国家老年医学中心,中国医学科学院老年医学研究院,100730

出　　处：《国际麻醉学与复苏杂志》2020年第6期555-557,共3页International Journal of Anesthesiology and Resuscitation

基　　金：北京医院院级课题(Bj‑2012‑80)。

摘　　要：目的观察置入Supreme喉罩后不同套囊充气压力对颈内静脉血流变化情况的影响。方法选择拟择期全身麻醉下行腹腔镜手术的患者30例,年龄18~75岁,使用多普勒超声在颈内静脉的中位穿刺点进行测量,比较患者置入喉罩前、置入喉罩后60 cmH2O(1 cmH2O=0.098 kPa)套囊压力及置入喉罩后120 cmH2O套囊压力时的颈内静脉横截面积、血液流速及血液流量。结果与置入喉罩前比较,置入喉罩后60 cmH2O套囊压力时颈内静脉横截面积明显增加(P<0.05),血液流速及血液流量明显下降(P<0.05);置入喉罩后120 cmH2O套囊压力时颈内静脉横截面积明显增加(P<0.05),血液流速明显下降(P<0.05),但血液流量差异无统计学意义(P>0.05)。置入喉罩后120 cmH2O套囊压力与置入喉罩后60 cmH2O套囊压力时比较,颈内静脉横截面积、血液流速、血液流量差异均无统计学意义(P>0.05)。结论置入Supreme喉罩后60 cmH2O及120 cmH2O套囊压力均会引起颈内静脉充血改变,两种压力对颈内静脉充血程度的影响相同。Objective To evaluate the effects of different cuff pressures of the Supreme laryngeal mask airway on the blood flow of the internal jugular vein.Methods A total of thirty patients aged 18‒75 years who were scheduled for laparoscopic surgery under general anesthesia were enrolled.Doppler ultrasound was adopted to measure the cross‑sectional area,blood flow velocity and volume of the internal jugular vein at the median puncture site of the internal jugular vein before placement of the laryngeal mask airway,and when the cuff pressure was 60 cmH2O(1 cmH2O=0.098 kPa)and 120 cmH2O respectively.Results Compared with those before placement of the laryngeal mask airway,the cross‑sectional area significantly increased(P<0.05)and blood flow velocity and volume significantly decreased(P<0.05)when the cuff pressure was 60 cmH2O,the cross‑sectional area significantly increased(P<0.05)and blood flow velocity significantly decreased(P<0.05)while the blood flow volume changed with no statistical difference(P>0.05)when the cuff pressure was 120 cmH2O.There was no statistical difference as to the cross‑sectional area,blood flow velocity and volume when the cuff pressure was 60 cmH2O or 120 cmH2O(P>0.05).Conclusions Both the cuff pressures of 60 cmH2O and 120 cmH2O can result in the changes of congestion in the internal jugular vein at the same degree.

关 键 词：喉罩 充气压力 颈内静脉 血流 

分 类 号：R614[医药卫生—麻醉学]