![]() The participants were recruited from the volunteer soldiers. We designed a prospective, randomized controlled study to evaluate the efficacy of the SS trainer in improving the CC quality. Materials and Methods Study Design and Participants ![]() In the present study, the training efficacy of the simplified trainer was compared with a traditional manikin simulator with feedback in a randomized controlled trial. Thus, a simplified external cardiac massage (ECM) training device named Soul Sheath TM (SS) with real-time feedback (HeartFellow, Shanghai, China) was developed for daily training at home. ( 12), a feedback system of smart devices could improve the parameters of CC performed by rescuers who have received CPR training.Īlthough the CPR skills can be improved by regular training with the help of the feedback systems and new devices, the CPR skills tend to be elapsed after a certain period after training, and the CPR performers need frequent practice to adhere to the recommended guidelines ( 13). Recently, with the improvement of devices, feedback systems are now including in many smartphones and smartwatches. One approach for improving CC quality is to implement auditory-visual feedback devices with a built-in accelerometer to provide data regarding the CC depth, rate, and intensity ( 10, 11). Thus, it is challenging but essential for rescuers to reach an ideal range of CC during CPR. ![]() Moreover, although the over-deep compression was not emphasized in the new guidelines of AHA CPR, a compression depth deeper than 6 cm may develop other complications, such as fracture of the ribs, pneumothorax, and hemothorax ( 7– 9). These inappropriate manipulations might be associated with a decrease in the survival rate of 30% or more after cardiac arrest ( 3– 6). Numerous clinical evidence has already proved that shallow CC, incomplete release, and inappropriate CC rate might result in poor coronary perfusion and low cardiac output. In the 2020 American Heart Association (AHA) guideline, rescuers are recommended to perform compressions to a depth of over 5 cm and a rate of 100–120 counts/min, and real-time feedback devices for quantifying CC quality are also highly recommended ( 2). The quality of chest compression (CC) is the primary factor for “high-quality” cardiopulmonary resuscitation (CPR) after cardiac arrest ( 1). No difference between the SS group and RA group was found in all the CC parameters.Ĭonclusions: The simplified ECM trainer (SS) provides a similar efficacy to the traditional manikin simulator with feedback in CC training to improve the quality of CPR skills. control group, P = 0.011 and RA group vs. control group, P = 0.026), the proportion of shallow CC (SS group vs. control group, P = 0.032 and RA group vs. Both the SS and RA groups showed better CC performance than the control group in terms of CC rate (SS group vs. Results: The percentage of effective CC achieved in the SS group was comparable with the RA group (77.0 ± 15.52 vs. ![]() The primary outcome was the proportion of effective CC, and the secondary outcome included CC rate, depth, compression position, and extent of the release. After 7 days of training, the CPR skills were tested blindly in a 2-min assessment session. Methods: A total of 60 soldiers were randomly allocated into three groups equally, trained with a simplified external cardiac massage (ECM) trainer named Soul Sheath TM (SS) (SS group), a Resusci Anne manikin (RA group), or traditional simulation training with instructor feedback, respectively. This study aimed to compare the training efficacy of a simplified feedback trainer with the traditional cardiopulmonary resuscitation (CPR) simulator in CPR training. 3Department of Colorectal Surgery, Changhai Hospital, Naval Medical University, Shanghai, Chinaīackground: The most recent international guidelines recommended support training of chest compression (CC) using feedback devices.2Department of Anesthesiology, Changhai Hospital, Naval Medical University, Shanghai, China.1Department of Anesthesiology, Eastern Hepatobiliary Surgical Hospital, Naval Medical University, Shanghai, China.Xiao-yan Meng 1,2 †, Jia You 2 †, Li-li Dai 3 †, Xiao-dong Yin 2, Jian-an Xu 2 and Jia-feng Wang 2 * ![]()
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