Quality between mechanical compression on reducible stretcher versus manual compression on standard stretcher in small elevator
- Authors
- Kim, Tae Han; Hong, Ki Jeong; Sang, Do Shin; Kim, Chu Hyun; Song, Sung Wook; Song, Kyoung Jun; Ro, Young Sun; Ahn, Ki Ok; Jang, Dayea Beatrice
- Issue Date
- Aug-2016
- Publisher
- W B SAUNDERS CO-ELSEVIER INC
- Citation
- AMERICAN JOURNAL OF EMERGENCY MEDICINE, v.34, no.8, pp.1604 - 1609
- Indexed
- SCIE
SCOPUS
- Journal Title
- AMERICAN JOURNAL OF EMERGENCY MEDICINE
- Volume
- 34
- Number
- 8
- Start Page
- 1604
- End Page
- 1609
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/154101
- DOI
- 10.1016/j.ajem.2016.05.072
- ISSN
- 0735-6757
- Abstract
- Objectives Manual cardiopulmonary resuscitation (CPR) during vertical transport in small elevators using standard stretcher for out-of-hospital cardiac arrest can raise concerns with diminishing quality. Mechanical CPR on a reducible stretcher (RS-CPR) that can be shortened in the length was tested to compare the CPR quality with manual CPR on a standard stretcher (SS-CPR). Methods A randomized crossover manikin simulation was designed. Three teams of emergency medical technicians were recruited to perform serial CPR simulations using two different protocols (RS-CPR and SS-CPR) according to a randomization; the first 6 minutes of manual CPR at the scene was identical for both scenarios and two different protocols during vertical transport in a small elevator followed on a basis of cross-over assignment. The LUCAS-2 Chest Compression System (Zolife AB, Lund, Sweden) was used for RS-CPR. CPR quality was measured using a resuscitation manikin (Resusci Anne QCPR, Laerdal Medical, Stavanger, Norway) in terms of no flow fraction, compression depth, and rate (median and IQR). Results A total of 42 simulations were analyzed. CPR quality did not differ significantly at the scene. No flow fraction (%) was significantly lower when the stretcher was moving in RS-CPR then SS-CPR (36.0 (33.8-38.7) vs 44.0 (36.8-54.4), P<.01). RS-CPR showed significantly better quality than SS-CPR; 93.2 (50.6-95.6) vs 14.8 (0-20.8) for adequate depth (P< 0.01), and 97.5 (96.6-98.2) vs 68.9(43.4-78.5) for adequate rate (P<.01). Conclusion Mechanical CPR on a reducible stretcher during vertical transport showed significant improvement in CPR quality in terms of no-flow fraction, compression depth, and rate compared with manual CPR on a standard stretcher.
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