Children's Hospital Colorado

HLHS Diagnosis

When you get the news

Hearing that something might be wrong with your baby is devastating; you want as many answers as you can get. These families received options from doctors at other hospitals that they wouldn't accept. Children's Colorado gave them a path of hope for HLHS babies – from prognosis to surgery to life after.



What is HLHS?

Hypoplastic left heart syndrome is a congenital heart defect where the left side of the heart is underdeveloped, preventing enough blood from pumping to the body. In many cases, HLHS is diagnosed in utero, before the baby is born. Though babies born with HLHS need significant medical care beginning as soon as they are born, with proper diagnosis, treatment and follow up, they can grow up to live a mostly normal life.

Get an in-depth overview of HLHS, from diagnosis to treatment options

Graphic showing anatomy of a normal heart compared to the anatomy of an HLHS heart


Advanced fetal treatment

The Colorado Fetal Care Center is equipped to care for expecting moms and babies with the most complex conditions, including HLHS. We have one of the few centers in the nation where you can both deliver your baby and receive pediatric sub-specialty care for your child after birth.

Keeping mom and baby close

Instead of having the Cardiac Intensive Care Unit (CICU) in another building like other hospitals, ours is just a floor below the delivery suite. So, while your child is recovering from heart surgery and you're recovering from delivery, you'll always be near each other.

Cutting-edge HLHS research

Children's Colorado is the only hospital in the region participating in Mayo Clinic's HLHS consortium, offering families access to groundbreaking research in regenerative medicine. Here, you can choose to collect your baby's umbilical cord blood, making it possible for your child to participate in current (and future) clinical trials using stem cells from their own body.

Learn about the current trial

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Find a doctor

Browse and connect with world-class congenital heart surgeons at Children's Colorado.

Start searching
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Meet more patients

Read inspiring stories from HLHS survivors and patients living with other heart conditions.

See their stories
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Helpful resources

Discover resources and tools other families have found helpful through their journeys with HLHS.

Find what you need
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Hypoplastic Left Heart Syndrome
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Kara holds her son Jaxon while talking about the CICU being close to the delivery suite at Children's Hospital Colorado.

Partnership with the University of Colorado School of Medicine

Children's Hospital Colorado partners with the University of Colorado School of Medicine, where many of our physicians and care providers serve as faculty.

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