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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.

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Cardiac Massage in Microgravity

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  1. 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

  2. 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)

  3. 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

  4. Cardiac Massage in Space JSC/NASA - s 92 34279

  5. Cardiac Massage in Space JSC/NASA - s 92 34275

  6. Cardiac Massage Preliminary Study

  7. Cardiac Massage during Parabolic Flight

  8. 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

  9. Cardiac Massage during Parabolic Flight

  10. 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

  11. 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

  12. 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

  13. Further Studies • Body suspension studies

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