• Radosław Zalewski, Mateusz Puślecki, Tomasz Kłosiewicz, Maciej Sip, and Bartłomiej Perek.
• Department of Medical Rescue, Chair of Emergency Medicine, Poznan University of Medical Sciences, Poznań, Poland.
• J Thorac Dis. 2020 May 1; 12 (5): 2105-2112.

BackgroundIn some countries, adrenaline is available only in glass ampoules. However, simplification of cardiopulmonary resuscitation (CPR) by introducing prefilled syringes may ensure more efficient CPR. The aim of this study was to investigate the impact of different forms of adrenaline on the CPR quality.MethodsIn a randomized cross-examination simulation study, 100 two-person paramedical teams took part in two 10-minute scenarios of sudden cardiac arrest (SCA) in a pulseless electrical activity mechanism (PEA). In the first scenario the set of medicines contained glass ampoules (group ST) with adrenaline, in the second prefilled syringes (group AMPS). The parameters of the CPR quality [correct number and depth of chest compressions (CC), no flow time, chest recoil, time to apply supraglottic airways device (SAD)] were compared.ResultsIn group AMPS the first dose of adrenaline was administered after 114.2±28.3 seconds after the initiation of CPR whereas after 178.1±62.6 seconds in group ST (P<0.001). Chest compression fraction (CCF) was higher (81.8%±6.1%) in group AMPS than in group ST (71.2%±7.5%). Paramedics performed CC at better frequency, to a preferred depth and in an appropriate place in group AMPS. Faster decision to apply SAD (131.7±34.0 s in group AMPS and 220.3±81.5 s in group ST) ensured faster achievement of airway patency in this group (181.5±48.7 vs. 271.2±101.5 s).ConclusionsPrefilled syringes with crucial drugs during CPR may significantly improve the quality of CPR performed by two-person teams.2020 Journal of Thoracic Disease. All rights reserved.

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