Quigley Paul, Jeffrey Penelope
Emergency Department, Wellington Hospital, Wellington, New Zealand.
Emerg Med Australas. 2007 Jun;19(3):218-22. doi: 10.1111/j.1742-6723.2007.00970.x.
(i) To evaluate the theoretical knowledge and practical skills of ED staff regarding the technique of cricoid pressure; (ii) to assess the efficacy of two methods of cricoid pressure training.
Theoretical knowledge of participants was assessed by a pretraining questionnaire, and practical ability was assessed using a Flinders Meditech cricoid pressure trainer. Participants then received a brief period of theoretical instruction, and were allocated to two training groups. Group A received further training with the pressure trainer. Group B was provided with reading material. Practical ability was assessed again immediately and then 4-6 weeks later.
Seventy subjects were recruited. A total of 53% could identify the position of the cricoid cartilage, and 16% could identify the pressure required. The percentage achieving a correct position at baseline, immediately after training and after 4-6 weeks was 47%, 97% and 70% respectively in group A, compared with 61%, 86% and 74% respectively in group B, a non-significant difference between groups. The percentage achieving correct pressure at baseline, immediately after training and 4-6 weeks later was 38%, 88% and 67% respectively in group A, compared with 30%, 33% and 51% respectively in group B. The between-group difference was significant only immediately following training (P < 0.0001).
Theoretical knowledge and technique regarding cricoid pressure was poor among our ED staff. Both methods of training appeared to improve performance. The biofeedback group was more likely to apply correct pressure immediately after training. The effects of training diminished rapidly with time.
（i）评估急诊科工作人员关于环状软骨压迫技术的理论知识和实践技能；（ii）评估两种环状软骨压迫训练方法的效果。
通过训练前问卷评估参与者的理论知识，使用弗林德斯医疗技术环状软骨压迫训练器评估实践能力。参与者随后接受简短的理论指导，并被分配到两个训练组。A组使用压迫训练器接受进一步训练。B组提供阅读材料。立即以及4至6周后再次评估实践能力。
招募了70名受试者。共有53%的人能够识别环状软骨的位置，16%的人能够识别所需的压力。A组在基线、训练后立即以及4至6周后达到正确位置的百分比分别为47%、97%和70%，B组分别为61%、86%和74%，两组之间无显著差异。A组在基线、训练后立即以及4至6周后达到正确压力的百分比分别为38%、88%和67%，B组分别为30%、33%和51%。仅在训练后立即，组间差异具有统计学意义（P < 0.0001）。
我们急诊科工作人员关于环状软骨压迫的理论知识和技术较差。两种训练方法似乎都能提高表现。生物反馈组在训练后立即更有可能施加正确的压力。训练效果随时间迅速减弱。
