• Emerg Med J · Sep 2015

    Randomized Controlled Trial

    Over-the-head two-thumb encircling technique as an alternative to the two-finger technique in the in-hospital infant cardiac arrest setting: a randomised crossover simulation study.

    • Choong Hyun Jo, Hwan Suk Jung, Gyu Chong Cho, and You Jang Oh.
    • Department of Emergency Medicine, School of Medicine, Hallym University, Seoul, Republic of Korea.
    • Emerg Med J. 2015 Sep 1; 32 (9): 703-7.

    ObjectiveTo determine if the over-the-head two-thumb encircling technique (OTTT) provides better quality cardiopulmonary resuscitation (CPR) than the conventional two-finger technique (TFT) when performed by a lone rescuer in an in-hospital infant cardiac arrest setting.MethodsThis prospective, randomised crossover design study recruited 50 nurses who voluntarily performed lone rescuer infant CPR for 2 min on a manikin. Participants who performed OTTT stood at the head of the manikin to compress the chest and provide bag-valve mask ventilations, whereas those who performed TFT stood by the side of the manikin to compress the chest and provide pocket-mask ventilations. Mean hands-off time, mean compression depths and rates, proportion of effective compressions and complete recoil, and fatigue score changes were assessed during the test, and a survey on the ease of use of the techniques was conducted after the test.ResultsHands-off time, total ventilation volume and number of ventilations were not significantly different between the two techniques. OTTT resulted in greater depth of compressions (p<0.001), greater proportion of effective compressions (p<0.001), smaller proportion of complete recoil (p=0.001), and smaller fatigue score change (p=0.003) than TFT. In addition, subjects reported that compression, ventilation and changing compression to ventilation were easier using OTTT than TFT.ConclusionsOTTT performed by a lone rescuer in an in-hospital infant cardiac arrest setting resulted in greater compression depth, with no increase in hands-off time, compared with TFT. OTTT may therefore be a suitable alternative to TFT in the in-hospital infant cardiac arrest setting.Published by the BMJ Publishing Group Limited. For permission to use (where not already granted under a licence) please go to http://group.bmj.com/group/rights-licensing/permissions.

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