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目的探讨手动杠杆式胸外按压心肺复苏(CPR)装置对院内心肺复苏按压质量和复苏疲劳的影响。方法将12名医学生志愿者分为手动杠杆式胸外按压CPR装置组(LDCPR)(n=6)和徒手标准CPR组(STCPR)(n=6)模拟院内心肺复苏场景进行CPR试验。LDCPR组采用手动杠杆式胸外按压CPR装置对模拟人进行连续6min连续胸外按压,STCPR组徒手对模拟人进行6min连续胸外按压。监测复苏期间按压的深度、频率以及按压者的心率和疲劳程度等变化。结果随着连续胸外按压的进行,按压者的心率和疲劳程度都在不断增加,有效按压深度超过5 cm次数逐渐减少,但是在连续胸外按压的第4~6min,LDCPR组按压者的心率较STCPR组慢(P<0.05),疲劳程度较轻(P<0.05),有效按压的比例更高(P<0.05)。按压频率两组比较无明显差异。结论在本模拟人试验中,手动杠杆式胸外按压CPR装置可减轻按压者疲劳,有助于提高院内CPR时长时间胸外按压的质量。
Objective To investigate the effect of manual lever chest compressional cardiopulmonary resuscitation (CPR) on the quality of CPR and recovery fatigue in hospital. Methods A total of 12 medical student volunteers were divided into manual lever-chest CPR group (LDCPR) (n = 6) and CPCP group (n = 6) In the LDCPR group, the manual lever-type chest compressive CPR device was used to simulate the continuous 6-minute continuous chest compressions. The STCPR group performed 6-minute continuous chest compressions on the simulated persons. Monitor the depth of depression during compression, the frequency, and changes in the heart rate and fatigue of those who press. Results With continuous chest compressions, the heart rate and fatigue of the depressed persons increased continuously, and the effective compression depth gradually decreased more than 5 cm. However, in the fourth ~ 6th minute of continuous chest compressions, heart rate (P <0.05), lower degree of fatigue (P <0.05), and a higher proportion of effective compression (P <0.05). Press frequency no significant difference between the two groups. Conclusion In this simulator, the manual lever-type chest compression CPR device can reduce the fatigue of the presser and help to improve the quality of the chest compressions for a long time during hospital CPR.