The purpose of this study is to investigate the quality of Manual CPR and X-CPRTM in out-of-hospital cardiac arrest situation
and to suggest an efficient CPR. There are twenty groups, first ten groups performed only manual CPR in the whole cardiac
arrest situation out of a hospital 5.1km away from the site, and second ten groups performed Manual CPR at the situation site
and then performed X-CPRTM until a patient was transported to the hospital. With regard to compression depth, the depth of the
manual chest compression performed was 47.4±1.3cm, around 2cm deeper than the mechanical chest compression depth (p<0.01).
In respect to artificial respiration, the two types of groups showed no difference. Regarding the rate of valid blood flow time,
Manual CPR was 73.7±1.1%, and X-CPRTM was 66.7±1.3% (p=0.001). Given the result, it is hard to see that X-CPRTM provides
better quality than manual CPR, and even improper use of X-CPRTM can bring about a lower effect than Manual CPR.
Therefore, it is necessary to constantly provide education about the use of the relevant equipment to emergency medical workers
and help them experience it practically, thus follow-up studies must be carried out.