Emergency Ventilator Splitting Between Two or More Patients (COVID-19)

Trial ID or NCT#



not recruiting iconNOT RECRUITING


The purpose of this study is to develop a safe, easily scalable, and simple method to split a single ventilator for use amongst two or more patients, thus serving as a capacity bridge to save patient lives until manufacturers can produce enough ventilators.

Official Title

Emergency Ventilator Splitting Between Two or More Patients Using a Single Ventilator to Address Critical Ventilator Shortages During a Pandemic

Eligibility Criteria

Ages Eligible for Study: Older than 18 Years
Sexes Eligible for Study: ALL
Accepts Healthy Volunteers: No
Inclusion Criteria:
  1. * Phase I
  2. * Undergoing routine thoracic surgery which will include the use of a dual lumen endotracheal tube at Stanford.* Phase II
  3. * Able to give consent * On venovenous extracorporeal membrane oxygenation for reason other than COVID-19* Phase III
  4. * Able to give consent * Infected with COVID-19 and will likely require mechanical ventilation.
Exclusion Criteria:
  1. * Phase I
  2. * Significant cardiac comorbidities * Liver disease* Phase II
  3. * Significant cardiac comorbidities * Pre or Post-transplant patient * Infection with COVID-19* Phase III
  4. * Co-infection with disease aside from COVID-19 * Severely ill requiring high ventilator requirements and not stable for ventilator splitting


Joseph Woo, MD, FACS, FACC, FAHA
Joseph Woo, MD, FACS, FACC, FAHA
Cardiovascular surgeon, Cardiothoracic surgeon, Lung transplant surgeon
Norman E. Shumway Professor, Professor of Cardiothoracic Surgery and, by courtesy, of Bioengineering