
A child born with a rare cardiac condition is known as hypoplastic left heart syndrome (HLHS). It is, therefore, a congenital cardiac defect. In this condition, the left half of the heart is underdeveloped and undersized. Thus, its blood-pumping ability is poor. Instead, blood must be pumped to the lungs and the rest of the body by the right side of the heart, causing severe breathing problems.
Your child will require follow-up appointments with a cardiologist (heart doctor) at least once a year for the rest of their life. These checkups guarantee that their lungs, hearts, and other organs still function correctly. An adult congenital heart disease expert will treat your child once they reach adulthood.
The majority of kids with hypoplastic left heart syndrome will require cardiac medications. Antibiotics must also be taken before any other procedures, including dental procedures. These medications decrease the risk of endocarditis or heart infection.
Cyanosis is a darkening of the skin, lips, and nails that can be grayish for dark-skinned persons or bluish for light-skinned people.
If left untreated, this disease might cause a newborn to go into shock.
Causes
Risk Factors
Complications
HLHS complications might include:
A lot of HLHS instances lack a clear cause. Nonetheless, healthcare professionals always advise healthy practices throughout pregnancy, such as
Norwood procedure: The Norwood procedure is a heart surgery performed in the first two weeks of life. It involves rebuilding the aorta, connecting it to the heart, and adding a shunt for the lungs.
Cost Start From USD 10000 - USD 12000Explore Options
Fontan procedure: The Fontan procedure, typically performed in children aged 3-4, involves creating a pathway for oxygen-poor blood to flow directly into the pulmonary arteries, resulting in minimal mixing of oxygen-rich and oxygen-poor blood in the heart.
Cost Start From USD 5000 - USD 9000Explore Options
Heart transplant: A heart transplant is necessary for many infants with hypoplastic left heart syndrome. To prevent their bodies from rejecting the donor's heart, children who have heart transplants must take medications for the rest of their lives.
Cost Start From USD 55000 - USD 65000Explore Options
A baby with hypoplastic left heart syndrome may receive medication and undergo the following therapies while awaiting surgery or a heart transplant:









Chennai, India
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Delhi, India
Manipal Hospital Dwarka is a leading multi-super speciality tertiary care hospital offering world-class, affordable, and accessible healthcare. Backed by renowned doctors, advanced technology, and global standards in clinical care, the hospital provides comprehensive preventive, diagnostic, and therapeutic services for all age groups. With 380 beds, 13 modular OTs, 118 critical care beds, and 24/7 emergency services, it combines excellence in patient care with innovations like AI, telemedicine, remote monitoring, and EMR—striving to become a fully digital, paperless hospital setting new standards in modern healthcare.

Chennai, India
The mega-structure of RIMC serves as a hospital as well as an educational institute. Hence, it offers a huge array of medical services and facilities to cater to the needs of its patients.
Fertility Services - RIMC specializes in both male and female fertility and in procedures like IntraCytoplasmic Sperm Injection (ICSI), Uterine Transplants, Preimplantation genetics and Laser Assisted Hatching (LAH).
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Advanced Endoscopy - Dr. Rela Institute and Medical Centre has one of the most advanced hospital facilities with an individual healthcare unit specifically dedicated to Endoscopy. Advanced procedures like Spyglass Cholangioscopy, Laser therapy, Endoscopic Ultrasound, Capsule Endoscopy, and special ERCP and EUS Suite.
Some of the other healthcare facilities, departments, and services offered by Dr. Rela Institute and Medical Healthcare are listed below:
Apart from these facilities, Dr. Rela Institute and Medical Centre also have a preventive health check lounge, 72 consultation suites, and 360 degrees including lab facilities specifically for outpatients.
Visit Dr. Rela Institute and Medical Centre in Chromepet, Chennai today and find the best care for you and your loved ones.
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Here are some of the reasons for choosing India:
Yes, some surgeries, such as the Norwood and Fontan procedures, can be used to treat hypoplastic left heart syndrome (HLHS); nevertheless, lifetime care and monitoring are frequently needed. A heart transplant may be required in certain circumstances.
With skilled pediatric cardiac surgeons and cutting-edge medical technology, India has demonstrated significant success rates in treating HLHS. The nation's healthcare institutions offer top-notch treatment alternatives, guaranteeing successful outcomes for many patients.
Yes, many Indian hospitals offer the following for HLHS treatment:
Always consider the following factors when selecting Indian hospitals:
In general, HLHS treatment in India has a high success rate; survival rates for significant procedures like Fontan and Norwood range from 70% to 85%. Top hospitals offer specialised knowledge and cutting-edge care.
HLHS can occasionally be detected while the infant is still in the womb during a routine ultrasound. A heart ultrasound, often known as an echocardiogram, or other testing can be performed after birth to confirm the diagnosis.
Although every child's experience is unique, many children with HLHS grow up healthy, though they may require lifelong medical care and cardiac care. Even though they may have heart health or activity issues, some people can still lead normal lives.
Hypoplastic left heart condition cannot be treated by surgery during pregnancy. A fetal surgeon may decide to perform surgery just to treat specific problems that may be linked to poor outcomes for HLHS or in infants who are developing HLHS.
Here are some ways you can take care of your child:

Hematologist
9 Years of Experience
Dr. Akash Khandelwal is a distinguished Hematologist, Hemato-oncologist, and Bone Marrow Transplant (BMT) Physician with extensive training from the prestigious AIIMS New Delhi. His expertise encompasses a wide range of specialized techniques in bone marrow transplantation, including autologous and allogeneic transplants such as matched sibling donors, matched unrelated donors (MUD), and haploidentical donor transplants. Dr. Khandelwal has personally supervised and conducted over 100 bone marrow transplants. View More
Last Reviewed - January 2026