People Born with One Ventricle Survive But, Face Challenges in Quality, Length of Life

by Iswarya on  July 1, 2019 at 3:34 PM Heart Disease News
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Fontan procedure has enabled more people born with only one ventricle to survive into adulthood, but the unique circulatory system requires continued lifelong medical care, reports a new study. The findings of the study are published in the Circulation: Journal of the American Heart Association.
People Born with One Ventricle Survive But, Face Challenges in Quality, Length of Life
People Born with One Ventricle Survive But, Face Challenges in Quality, Length of Life

A new scientific statement summarizes the current state of knowledge on Fontan circulation and how best to care for these unique patients.

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There are two ventricles in a normal heart - one pumps blood to the lungs, and the other pumps blood to the rest of the body. In children born with only one ventricle, a surgical procedure (the Fontan procedure) diverts blood returning from the veins directly to the main pulmonary artery leading to the lungs, instead of being pumped from the heart.

Typically, people with Fontan circulation have chronically elevated pressure in their veins and less blood being pumped out of their heart. This can lead to circulatory failure because when the heart pumps less efficiently, it is not able to provide enough oxygen to the cells in the body. Also, these patients often experience ventricular dysfunction, heart failure, heart rhythm disturbances and problems with their liver, kidneys, bones, and other organ systems.

The statement provides recommendations for follow-up care for patients with Fontan circulation, including guidance on strategies for maintaining the health of the heart and organs through "surveillance testing" - routine, systematic evaluation of both cardiovascular and other organs affected by Fontan circulation.

Gaps in knowledge and areas for future investigation are also highlighted, to lay the groundwork for creating a normal quality and duration of life for these unique individuals. "We need more research into the basic biology of single ventricle hearts and whether the damage to other organ systems, such as kidneys, liver, and brain can be mitigated or reversed," said writing group chair Jack Rychik, M.D., Robert and Dolores Harrington endowed chair in cardiology and Professor of Pediatrics, at the Children's Hospital of Philadelphia.

Although life expectancy for people born with one ventricle is lower than average, people with Fontan circulation can live a rich and fulfilling life.

"We are entering a new phase in the management of patients born with one ventricle. Provided that patients undergo regular follow-up with their healthcare provider, adopt a healthy lifestyle and are encouraged to participate in investigational clinical protocols and research, healthcare providers and patients can share an optimistic and hopeful view for a brighter future," Rychik said.

The worldwide population of patients with Fontan circulation grew to an estimated 50,000 to 70,000 patients in 2018, with 40% of patients aged 18 years or older.

"Patients with Fontan circulation are going to consume an ever-increasing amount of resources as they grow in number and age into adult life. Healthcare providers, both pediatric and adult, will need to increase their understanding and knowledge of this unique cardiovascular condition to maintain and improve their quality of life," Rychik said.

Source: Eurekalert

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