Comparison of Compression Adjusted Ventilation to Conventional Ventilation: For Adequate Ventilation Rate During Cardiopulmonary Resuscitation

Sang-Yeol YUN; Seung RYU; Yong-Chul CHO; In-Sool YOO; Jin-Woong LEE

PURPOSE:

The objective of this study is to determine whether application of ventilation in line with compression rate in performance of CPR for cardiac arrest patients was helpful in maintaining an adequate ventilation rate.

METHODS:

Volunteers who received education on the revised 2010 CPR guidelines were randomly assigned to either a conventional ventilation (CV) group or a compression-adjusted ventilation (CAV) group. During performance of CPR, compression rate and ventilation rate were measured every minute, and the participants' roles were changed every two minutes; CPR was performed for a total of eight minutes.

RESULTS:

A total of 57 volunteers participated in this study. No statistically significant difference was observed between the compression rate of the CV group and that of the CAV group. However, regarding adequacy of the ventilation rate, greater improvement was observed in the CAV group, compared with the CV group (adequate ventilation 86.2% vs. 46.4%, p<0.001). In addition, the median value of the ventilation rate was 8.4/min (IQR 7.7-9.6) in the CV group and 9.5/min (IQR 9.0-10.0) in the CAV group (p=0.003).

CONCLUSION:

When no other valid approach is available, use of the CAV method is conducive to maintenance of an adequate ventilation rate.

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