• Ning-Ping Foo, Jer-Hao Chang, Shih-Bin Su, Kow-Tong Chen, Ching-Fa Cheng, Pei-Chung Chen, Tsung-Yi Lin, and How-Ran Guo.
• Department of Emergency Medicine, China Medical University-An Nan Hospital, Taichung, Taiwan; Department of Environmental and Occupational Health College of Medicine, National Cheng Kung University, Tainan, Taiwan; Department of Emergency Medicine, Ditmanson Medical Foundation, Chiayi Christian Hospital, Chia-Yi, Taiwan.
• Plos One. 2014 Jan 1;9(10):e107960.

BackgroundThe survival rate of patients with out-of-hospital cardiac arrest is low, and measures to improve the quality of cardiopulmonary resuscitation (CPR) during ambulance transportation are desirable. We designed a stabilization device, and in a randomized crossover trial we found performing CPR in a moving ambulance with the device (MD) could achieve better efficiency than that without the device (MND), but the efficiency was lower than that in a non-moving ambulance (NM).PurposeTo evaluate whether a modified version of the stabilization device, can promote further the quality of CPR during ambulance transportation.MethodsParticipants of the previous study were recruited, and they performed CPR for 10 minutes in a moving ambulance with the modified version of the stabilization device (MVSD). The primary outcomes were effective chest compressions and no-flow fraction recorded by a skill-reporter manikin. The secondary outcomes included back pain, physiological parameters, and the participants' rating about the device after performing CPR.ResultsThe overall effective compressions in 10 minutes were 86.4±17.5% for NM, 60.9±14.6% for MND, 69.7±22.4% for MD, and 86.6%±13.2% for MVSD (p<0.001). Whereas changes in back pain severity and physiology parameters were similar under all conditions, MVSD had the lowest no-flow fraction. Differences in effective compressions and the no-flow fraction between MVSD and NM did not reach statistical significance.ConclusionsThe use of the modified device can improve quality of CPR in a moving ambulance to a level similar to that in a non-moving condition without increasing the severity of back pain.

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