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Extracorporeal Membrane Oxygenation (ECMO)

Extracorporeal membrane oxygenation (ECMO) is a special procedure that is used for life-threatening heart and/or lung problems. 

It uses an artificial lung, called a membrane oxygenator, to remove carbon dioxide from and to provide oxygen to the blood for delivery to the entire body.

Neonatal Intensive Care Unit (NICU) and the Pediatric Intensive Care Unit (PICU) at Yale New Haven Children’s Hospital are Connecticut's leaders in extracorporeal membrane oxygenation (ECMO). Established in 1992, we offer exceptional care, experience, and continuing education programs, which earned us the Award for Excellence in Life Support from the Extracorporeal Life Support Organization (ELSO).

For Parents and Family Members

Who needs ECMO?

Every part of your body needs oxygen to survive. Normally, the heart pumps blood to the lungs where oxygen is added and carbon dioxide (a waste product) is removed. After adding oxygen, the blood travels back to the heart so it can be pumped to the entire body. ECMO can support the work of the heart and /or lungs when they are too sick to function on their own and when all other forms of heart and lung support have failed. ECMO can be offered to children of all ages from infancy to young adulthood. It does not fix the underlying condition but instead provides support while the child's own heart and lungs are allowed to rest and heal.

Conditions in infants and children that may require ECMO include:

  • Congenital diaphragmatic hernia
  • Congenital heart disease
  • Meconium aspiration syndrome
  • Persistent pulmonary hypertension of the newborn
  • Pneumonia
  • Sepsis

How does ECMO work?

During ECMO, blood is removed from the body through a sterile plastic tube inserted into a large vein in the neck, chest or leg. The blood is pumped by a machine through an artificial lung (the membrane oxygenator) where oxygen is added to the blood and carbon dioxide removed. The blood is then returned to the body either through the same tube or a second sterile plastic tube inserted into a large blood vessel in the neck, leg, or directly into the chest.

As the heart and lungs recover and are able to perform the necessary functions to support life, the amount of ECMO support is slowly reduced. The medical team taking care of your child will determine when he/she is ready to be removed from ECMO.

What will my child look like on ECMO?

Your child will have one or more sterile plastic tubes (cannulae) surgically inserted into the large blood vessels in the neck, leg or chest. These tubes are connected to the ECMO circuit and will carry blood to and from the body.

While on ECMO, your child will continue to be connected to the ventilator (breathing machine) through his/her breathing tube. All of the tubes and lines that were needed before ECMO will also remain in place.

During the first few days on ECMO, your child may become swollen. This swelling is a side effect of ECMO and the underlying illness and will go away after ECMO is stopped.

What are the risks of ECMO?

The greatest risk of ECMO is bleeding. This is because a medication called heparin is given to your child to prevent clots from forming in the tubing or the artificial lung. The bleeding can occur inside or outside of the body. While children of all ages are at risk for bleeding inside the brain, this risk is greater in infants. While on ECMO, a small amount of bleeding is normal. Commonly, it occurs at the site where the tubes enter the body. Other risks include infection, kidney failure, or failure of the heart and/or lungs to recover from the initial illness. The longer an infant or child remains on ECMO, the greater the risk of complications.

Neurologic (brain) or developmental problems can occur. Many of these problems are due to the severe illness that caused your child to be placed on ECMO. Children are monitored closely for any sign of brain injury while on ECMO, after ECMO is stopped, and even after your child has completely recovered from his/her initial illness.

Who will care for my child on ECMO?

A team of specially trained medical and nursing professionals will take care of your child. Members include attending physicians (neonatologists or pediatric intensivists) advanced practice nurse practitioners, physician assistants, residents and fellows, registered nurses, ECMO perfusionists, respiratory therapists, cardiologists, pediatric surgeons, and pediatric cardiothoracic surgeons.

How long will my child be on ECMO?

Typically, ECMO support is needed for days to weeks. Every child is different and the length of support is usually dependent on the condition which made it necessary to place him/her on ECMO. Once the heart and lungs have healed enough, he/she will be removed from ECMO. Usually, there is a short trial during which the ECMO machine is turned off but the plastic tubes are not removed. This is done to ensure your child is ready to come off ECMO before a surgeon removes the tubes. If a major complication occurs or if the underlying condition is not improving, it may be necessary to remove your child from ECMO, even if he/she is not ready. The medical team will make the decision when to remove your child from ECMO.

What happens after ECMO?

Once the medical team determines that it is time to stop ECMO, the tubes are removed by a surgeon. Depending on your child's condition, he/she may still need the ventilator and medications during the recovery period. Recovery is different for everyone but will likely take weeks rather than days.

Depending on your child's medical condition, he/she may need to be followed by specialists such as pulmonologists (lung doctors), cardiologists (heart doctors), and/or neurologists (brain doctors). Your child will be evaluated with a MRI of the brain. It will also be necessary to monitor his/her hearing and development closely after your child goes home.

For Referring Physicians

Is my patient eligible for ECMO?

Eligibility Criteria

  • Gestational age> 34 weeks and weight > 2 kg
  • No major intracranial hemorrhage
  • No evidence of severe neurological impairment
  • Reversible lung disease with length of mechanical ventilation for < 7-10 days. Note: Patients who have been mechanically ventilated for > 10 days would be considered for ECMO on a case-by-case basis.
  • No uncorrectable congenital heart disease in a patient who is not a transplant candidate
  • No lethal congenital malformations
  • Failure of optimal medical management
  • No evidence of severe hemorrhage or uncorrectable coagulopathy
  • No severe immunosuppression
  • No irreversible condition considered to be terminal

Are there any criteria that I can use to help me determine when transfer for ECMO should be considered for my patient?

  • Oxygenation Index (OI) 25-30 (ECMO is typically initiated at OI > 40)
  • Oxygenation Index = MAP x FiO2 x 100 / PaO2
  • MAP - mean airway pressure
  • FiO2 - % oxygen expressed as a decimal
  • PaO2 - partial pressure of O2
  • PaO2s 40-60 torr despite escalation of ventilatory support
  • When considering the use of inhaled nitric oxide or high frequency ventilation, if available at your institution

How do I transfer my patient to Yale New Haven Children’s Hospital for ECMO?

Please contact Y Access, our 24 hour/day transfer hotline at 888-964-4233 (888-YNHH-BED) and request either a neonatal or pediatric transport.

Is there anyone I can speak to about my patient even if I have not yet decided to transfer him/her to Yale New Haven?

ECMO-trained neonatal and pediatric critical care attending physicians are available 24 hours a day for consultation via the Y-access hotline (888-964-4233), and we welcome ANY and ALL inquiries.

If the decision is made to transfer a patient, our neonatal and pediatric critical care transport teams will work closely with you to ensure that the infant/child is able to be moved safely.

For questions of a non-urgent nature regarding our ECMO services, please contact Matthew Bizzarro, MD in the Newborn Intensive Care Unit office at (203) 688-2320 or via email at [email protected] or John Giuliano, MD in the Pediatric Intensive Care Unit office at 203-785-4651 or via email at [email protected].

If I transfer my patient to Yale New Haven Children’s Hospital, will he/she bet transferred back to my institution?

We will provide timely updates and once stabilized, we will make every effort to transfer the patient back to your facility for ongoing care.

Contact Us

24 hour/day transfer hotline
888-964-4233

Newborn Intensive Care Unit office
203-688-2320

Pediatric Intensive Care Unit office
203-785-4651