Evaluation of LUCAS, a new device for automatic mechanical compression and active decompression resuscitation

  • Steen S
  • Liao Q
  • Pierre L
 et al. 
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Abstract

LUCAS is a new gas-driven CPR device providing automatic chest compression and active decompression. In an artificial thorax model, superior pressure and flow were obtained with LUCAS compared with manual CPR. In a randomized study on pigs with induced ventricular fibrillation significantly higher cardiac output, carotid artery blood flow, end-tidal CO2, intrathoracic decompression-phase aortic- and coronary perfusion pressures were obtained with LUCAS-CPR (83% ROSC) compared to manual CPR (0% ROSC). In normothermic fibrillating pigs, the ROSC rate was 100% after 15 min and 38% after 60 min of LUCAS-CPR (no drug treatment). The ROSC rate increased to 75% if surface cooling to 34°C was applied during the first 30 min of the 1-h resuscitation period. Experience with the first 20 patients has shown that LUCAS is light (6.5 kg), easy to handle, quick to apply (10-20 s), maintains a correct position, and works optimally during transport both on stretchers and in ambulances. In one hospital patient with a witnessed asystole where manual CPR failed, LUCAS-CPR achieved ROSC within 3 min. One year later the patient's mental capacity was fully intact. To conclude, LUCAS-CPR gives significantly better circulation during ventricular fibrillation than manual CPR. © 2002 Elsevier Science Ireland Ltd. All rights reserved.

Author-supplied keywords

  • Active compression-decompression
  • Cardiopulmonary resuscitation (CPR)
  • Coronary perfusion pressure
  • End-tidal carbon dioxide
  • Hypothermia
  • Return of spontaneous circulation (ROSC)

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Authors

  • leif pierreLunds Universitet

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  • Stig Steen

  • Qiuming Liao

  • Audrius Paskevicius

  • Trygve Sjöberg

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