Brimacombe J, White A, Berry A
Department of Anaesthetics, Royal Perth Hospital, Australia.
Br J Anaesth. 1993 Dec;71(6):800-2. doi: 10.1093/bja/71.6.800.
We have evaluated the effects of cricoid pressure on laryngeal mask airway (LMA) insertion after an elective rapid sequence induction in 100 patients allocated randomly to two groups. An attempt was made to insert the LMA after application of cricoid pressure in one group and with no pressure in the other. The anaesthetist was blinded to the application of cricoid pressure. Insertion was successful in 45 of 50 patients in the cricoid pressure group and in 49 of 50 patients in the non-cricoid group (P < 0.1) We discuss the implications of these findings for failed intubation in the nonfasted patient.
我们对100例择期快速顺序诱导后行喉罩气道（LMA）置入术的患者进行了评估，这些患者被随机分为两组。一组在施加环状软骨按压后尝试置入LMA，另一组不施加按压。麻醉医生对是否施加环状软骨按压不知情。环状软骨按压组50例患者中有45例置入成功，非环状软骨按压组50例患者中有49例置入成功（P<0.1）。我们讨论了这些发现对于未禁食患者插管失败的意义。
