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The Norwood procedure enhances blood circulation in newborns with hypoplastic left heart syndrome (HLHS). This surgery allows the right ventricle to compensate for an underdeveloped left ventricle and aorta. Post-operation, the right ventricle pumps blood to the lungs for oxygenation and also circulates oxygen-rich blood throughout the body.
This surgery allows the right side of a baby’s heart to send oxygen-rich blood to the body, a function typically performed by the left side. In a baby with HLHS, the left side of the heart is not developed enough to handle this task.
After the surgery, the right ventricle continues its normal function of pumping deoxygenated blood to the lungs. However, it also takes on the role of the left ventricle by pumping oxygenated blood to the rest of the body.
While this does not maintain the separation between oxygenated and deoxygenated blood like a normal heart, it significantly improves oxygen delivery to the baby’s cells and tissues, offering a better quality of life despite not being a perfect solution.
Who needs to have a Norwood procedure?
Babies with hypoplastic left heart syndrome (HLHS) require this surgery within the first few weeks of life. Due to their underdeveloped left ventricle, the Norwood procedure allows their right ventricle to execute the functions of both ventricles.
For the first few days after birth, a baby’s blood can flow between the aorta and pulmonary artery through the patent ductus arteriosus, allowing the right ventricle to send blood to both the lungs and the body. However, once this opening closes naturally after birth, the right ventricle can no longer send blood to the body, necessitating the Norwood procedure.
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London, United Kingdom
We, The London Clinic family, take pride in our reputation as a multi-disciplined healthcare facility. With skilled nurses and expert consultants, our medical teams are always focused to deliver the best individualized medical care. More than 1,000 nursing, clinical, and support staff are currently working with us to give our patients an extensive range of treatments. We use cutting-edge technologies to ensure a comprehensive range of healthcare services. Not only that, in order to make your stay with us comfortable enough, we equip our patient bedrooms with:
Patients from all over the world fly to us to get their procedures done by our specialist doctors, which is why we also provide our patient's concierge services. Our concierge services include:
The London Clinic has a zero-tolerance policy when it comes to hygiene and cleanliness. Our dedicated housekeeping team cleans every room every day between 8.00 am and 5.00 pm. They are also entitled to supply fresh towels every day and clean the rooms properly between patients.
We also have a day surgery unit based on the third floor at 20 Devonshire Place to make sure a hassle-free surgery as well as post-surgery care for our patients. Our cancer care unit at 22 Devonshire Place is also among our key services.

Carmarthen, United Kingdom
The Circle Werndale Hospital offers patients from Pembrokeshire, Carmarthenshire, and Ceredigion access to private facilities and state-of-the-art equipment. The 27 beds of Circle Werndale Hospital are all private and comfortable, with en suite bathrooms, satellite TV, and phones.
The specialists can perform a variety of operations, from simple investigations to intricate surgeries, thanks to these facilities, the newest equipment, and on-site support services. With committed nursing teams and resident medical officers on duty around the clock, this specialized knowledge is backed by compassionate and skilled medical personnel who offer care in a welcoming and comfortable setting.
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Cardiologist
21 Years of Experience
Dr. Naresh Kumar Goyal is highly trained as a cardiologist with exposure in virtually all aspects of cardiology. He qualified with an MD in internal medicine in 1999 from SMS Medical College, Jaipur, and served in the Cardiology Department as an honorary resident. From this stage, he also started with training in the temporary pacing of the pacemaker as well as interventional services. View More