Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Biphasic extrathoracic pressure CPR. A human pilot study

H A Smithline1, E P Rivers, M Y Rady

  • 1Department of Emergency Medicine, Henry Ford Health Systems, Henry Ford Hospital, Detroit.

Chest
|March 1, 1994
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Neuroscience and legal challenges to brainstem criteria of death in the United Kingdom.

Anaesthesia·2019
Same author

Trial design for assessing analytical and clinical performance of high-sensitivity cardiac troponin I assays in the United States: The HIGH-US study.

Contemporary clinical trials communications·2019
Same author

The clinical determination of brain death: practice limitations.

European journal of neurology·2015
Same author

Early interventions in severe sepsis and septic shock: a review of the evidence one decade later.

Minerva anestesiologica·2012
Same author

D-dimer threshold increase with pretest probability unlikely for pulmonary embolism to decrease unnecessary computerized tomographic pulmonary angiography.

Journal of thrombosis and haemostasis : JTH·2012
Same author

Cardiac tamponade: a review of diagnosis and anaesthetic and surgical management illustrated by three case reports.

Annals of the Royal College of Surgeons of England·2009
Same journal

Wearable-derived activity and physiological changes following pleural intervention in malignant pleural effusion.

Chest·2026
Same journal

The effect of a two-day stay at high altitude (2500 m) on right ventricular afterload and oxygen delivery in patients with pulmonary vascular disease A randomized controlled crossover trial.

Chest·2026
Same journal

A Comparative Study of Radiation Exposure in Conventional and Robotic Bronchoscopy.

Chest·2026
Same journal

Independent Prognostic Contributions of Anti-Ro52 and Anti-MDA5 in Autoimmune-Associated Interstitial Lung Disease.

Chest·2026
Same journal

Lung aeration and gas exchange in SGA or AGA infants with moderate-severe BPD: secondary analysis of the PATH-BPD study.

Chest·2026
Same journal

Lung Cancer Incidence and Mortality after Negative Low-Dose CT Screening Results.

Chest·2026
See all related articles

The Hayek Oscillator chest cuirass significantly improved coronary perfusion pressure in cardiac arrest patients. This device also provided adequate oxygenation and ventilation, showing promise for cardiopulmonary resuscitation (CPR).

Area of Science:

  • Cardiology
  • Emergency Medicine
  • Respiratory Physiology

Background:

  • Standard cardiopulmonary resuscitation (CPR) effectiveness can be limited.
  • Alternating intrathoracic pressure may enhance perfusion and ventilation during cardiac arrest.

Purpose of the Study:

  • To evaluate the efficacy of a chest cuirass (Hayek Oscillator) compared to standard CPR.
  • To assess its impact on coronary perfusion pressure and systemic circulation.

Main Methods:

  • A nonrandomized, crossover pilot study was conducted in an urban emergency department.
  • Five adult cardiac arrest patients received standard CPR followed by chest cuirass ventilation.
  • Pressure measurements and blood gas analysis were performed.

Related Experiment Videos

Main Results:

  • Coronary perfusion pressure significantly increased with the Hayek Oscillator (p = 0.006).
  • Trends suggested improved systemic perfusion, though not statistically significant for all parameters.
  • Adequate oxygenation and ventilation were achieved without positive pressure.

Conclusions:

  • The Hayek Oscillator chest cuirass significantly improved coronary perfusion pressure.
  • It demonstrated potential for enhancing systemic perfusion and provided adequate gas exchange.
  • Further research is warranted to confirm its benefits in cardiac arrest management.