Prehospital emergency care : official journal of the National Association of EMS Physicians and the National Association of State EMS Directors
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Randomized Controlled Trial
A Randomized Crossover Trial of Conventional versus Modified "Koch" Chest Compressions in a Height-Restricted Aeromedical Helicopter.
Aim: Low overhead height can negatively affect chest compression performance. An adapted compression technique has been proposed by paramedic H. Koch (pron. "Cook"). ⋯ Conclusions: In a height-restricted aeromedical helicopter, the average overall quality score improved using Koch compressions, although the mean rate, mean depth, correct release and land marking were found to be similar between techniques. Qualitative feedback described Koch compressions as easier and more sustainable. In settings where the compressor is affected by reduced overhead working height, Koch compressions may be an advisable alternative.