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Cardiac Massage in Microgravity. Thais Russomano* João de C. Castro** Simon Evetts*** Lisa Evetts*** John Ernsting***. *Microgravity Lab/PUCRS, Brazil **Fundação Ruben Berta, Brazil *** King’s College London, UK. Objectives.

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cardiac massage in microgravity
Cardiac Massage in Microgravity

Thais Russomano*

João de C. Castro**

Simon Evetts***

Lisa Evetts***

John Ernsting***

*Microgravity Lab/PUCRS, Brazil **Fundação Ruben Berta, Brazil

***King’s College London, UK

objectives
Objectives
  • To test the feasibility and practicability of performing CPR in microgravity
      • single person
      • no equipment
  • Access the victim
  • Open the airway
  • Perform mouth-to-mouth ventilation
  • Perform external cardiac massage (ECM)
ecm new technique
ECM - New Technique
  • The practitioner encircles the thorax of the victim with his legs in order to hold the patient close to him whilst compressing the patient’s chest between his hands and legs
cardiac massage in space
Cardiac Massage in Space

JSC/NASA - s 92 34279

cardiac massage in space1
Cardiac Massage in Space

JSC/NASA - s 92 34275

method
Method
  • 29th ESA Parabolic Flight Campaign
  • 3 subjects
  • CPR manikin - Resusci Anne, Laerdal, UK
  • European Resuscitation Council
    • External Cardiac Massage:
      • Chest Compression = 40 - 50 mm
      • Compression rate = 80 - 100 per min
results
Results
  • Number of parabolas = 93
  • Number of chest compressions = 672

Chest Compression

Mean +/- SE

    • Depth 36.1 +/- 1 mm
    • Rate 80.2 +/- 3.2 per min
conclusion
Conclusion
  • Chest compression rate and depth were close to those specified by the European Resuscitation Council
  • The new single person technique of ECM can be performed efficiently in microgravity
further studies
Further Studies
  • To determine
    • the maximum duration of ECM
    • the feasibility of performing mouth-to-mouth ventilation
    • minimum leg length required
    • upper limb strength required
  • Techniques to be used
    • Body suspension studies
    • Water immersion studies
further studies1
Further Studies
  • Body suspension studies
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