• Se Uk Lee, KimDo KyunDKDepartment of Emergency Medicine, Seoul National University Hospital, Seoul., Ikwan Chang, Jae Yun Jung, So Hyun Paek, Joong Wan Park, LeeJin HeeJHDepartment of Emergency Medicine, Seoul National University Bundang Hospital, Seong-nam, Korea., and Young Ho Kwak.
• From the Department of Emergency Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine.
• Pediatr Emerg Care. 2020 Dec 1; 36 (12): e700-e703.

ObjectiveCurrently, 2-thumb encircling technique is recommended in 2-rescuer infant cardiopulmonary resuscitation (CPR). However, many complications can occur during CPR. Therefore, we developed a novel compression assist device (Reheart) that can reduce chest compression area and determined whether using our device provides better compression quality.MethodsA novel compression assist device consists of 2 parts. The upper part was designed to put 2 thumbs together in the thumb sleeves, and the lower part was designed based on a circular rubber plate with a 2.0-cm diameter to confine compression area. Infant manikin CPR simulations using the 2-thumb encircling technique with Reheart and without Reheart were sequentially performed by participants in randomized crossover fashion.ResultsA total of 32 health care providers were included. The average age of the participants was 30.2 ± 3.5 years, and 21 participants (65.6%) were male. The accuracy in the Reheart group was better than that in the conventional group (proportion of compression on target area, 52.5% ± 13.2% vs 35.4% ± 17.6%; P < 0.001). The difference in the rates of chest compressions between the 2 groups was not significant (119.6 ± 14.4 vs 120.7 ± 14.0 compressions/min, P = 0.59). The depth of chest compressions was also not significantly different between the 2 groups (34.5 mm [33.6-34.9 mm] vs 34.2 mm [33.0-34.9 mm], P = 0.32).ConclusionsOur new compression assist device can help provide safe and effective chest compressions during 2-rescuer infant CPR.

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