• Chong Kun Hong, Sang O Park, Han Ho Jeong, Jung Hyun Kim, Na Kyoung Lee, Kyoung Yul Lee, Younghwan Lee, Jun Ho Lee, and Seong Youn Hwang.
• Department of Emergency Medicine, Sungkyunkwan University School of Medicine, Samsung Changwon Hospital, Changwon, Republic of Korea; Department of Emergency Medicine, Daejin Medical Center, Bundang Jesaeng General Hospital, Sungnam, Republic of Korea.
• J Emerg Med. 2014 May 1;46(5):643-9.

BackgroundThe effectiveness of chest compressions for cardiopulmonary resuscitation (CPR) is affected by the rescuer's position with respect to the patient. In hospitals, chest compressions are typically performed while standing beside the patient, who is placed on a bed.Study ObjectivesTo compare the effectiveness of chest compressions, performed on a bed during 2 min of CPR, among three different rescuer positions: standing, on a footstool, or kneeling on the bed.MethodsWe performed a crossover randomized simulation trial. Participants were recruited from among students in the Department of Paramedics from July to August 2011. Thirty-eight participants were enrolled, and they performed chest compressions on a mannequin for 2 min in each of the three different positions, with a 1-week interval between each position.ResultsThe number of adequate compressions (depth > 50 mm) and the mean compression depth were significantly greater in the kneeling and footstool positions than in the standing position, but there was no significant difference between the kneeling and footstool positions. There were no significant differences in the compression rate, the percentage of correctly released compressions, and the percentage of compressions performed using the correct hand position among the three rescuer positions.ConclusionThe mean compression depth and the number of adequate compressions were greater for both the kneeling and footstool positions than for the standing position during 2 min of CPR. We recommend kneeling on a bed or standing on a footstool as the rescuer positions during hospital CPR on a bed.Copyright © 2014 Elsevier Inc. All rights reserved.

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