Our Program

Performing ECMO services on patient

OHSU's ECLS program provides both full-service respiratory and cardiac support in the adult. Our program is unique to the region, and uses the support of our respiratory failure, heart failure, and transplant teams. Our cross-trained ECMO team of physicians and nurses will provide care in the best location for the patient, whether the medical, cardiac or trauma ICU. 

We offer a multidisciplinary team approach to care based on consensus, and work closely with specialists throughout OHSU including:

  • Critical care
  • Cardiothoracic and vascular surgery
  • Intensivists in anesthesia, surgery, cardiology and pulmonary critical care
  • Respiratory therapy
  • Pharmacy
  • Lab Services
  • Physical medicine and rehabilitation

Our Team

Adult ECLS Medical Director

David Zonies
David Zonies, M.D., M.P.H., F.A.C.S., F.C.C.M.

Adult ECLS Coordinators

Anna Hansen
Anna Hansen BSN, RN, CCRN

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Joe Carroll
Joe Carroll BSN, RN, CCRN, CSC-CMC

ECLS Attending Physicians

Miko Enomoto
Tonya Miko Enomoto M.D.
Bruce Ham
Bruce Ham M.D.
Stephanie Nonas
Stephanie Nonas M.D.

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Marshall Lee
Marshall K Lee M.D.
Jon Pak
Jonathan Pak M.D.
Mac Cook
Mackenzie R. Cook M.D.

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Mike Wollenberg
Michael Wollenberg M.D.
Bishoy Zakhary
Bishoy Zakhary, MD
Arvin Gee
Arvin C. Gee M.D., Ph.D., F.A.C.S.

ECLS Nursing Staff

We have a dedicated team of critical care nurses trained to provide 24/7 patient care and ECMO support for patients in all of our Intensive Care Units.

Adult Perfusion

Our Adult Perfusion department participates in starting ECMO support for patients and they provide daily support to the ECLS nursing staff.