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Eisenmenger syndrome

Eisenmenger complex; Eisenmenger disease; Eisenmenger reaction; Eisenmenger physiology; Congenital heart defect - Eisenmenger; Cyanotic heart disease - Eisenmenger; Birth defect heart - Eisenmenger; Eisenmenger's syndrome

Whether you need long-term care to treat heart issues or you’re coming in for an emergency, at CHI Franciscan, your heart health is our highest priority. The result is comprehensive care with exceptional outcomes, using advanced technology and evidence-based medicine.

Eisenmenger syndrome is a condition that affects blood flow from the heart to the lungs in some people who were born with structural problems of the heart.

Causes

Eisenmenger syndrome is a condition that results from abnormal blood circulation caused by a defect in the heart. Most often, people with this condition are born with a hole between the two pumping chambers -- the left and right ventricles -- of the heart (ventricular septal defect). The hole allows blood that has already picked up oxygen from the lungs to flow back into the lungs, instead of going out to the rest of the body.

Other heart defects that can lead to Eisenmenger syndrome include:

Over many years, increased blood flow can damage the small blood vessels in the lungs. This causes high blood pressure in the lungs. As a result, the blood flow goes backward through the hole between the two pumping chambers. This allows oxygen-poor blood to travel to the rest of the body.

Eisenmenger syndrome may begin to develop before a child reaches puberty. However, it also can develop in young adulthood, and may progress throughout young adulthood.

Symptoms

Symptoms include:

  • Bluish lips, fingers, toes, and skin (cyanosis)
  • Rounded fingernails and toenails (clubbing)
  • Numbness and tingling of fingers and toes
  • Chest pain
  • Coughing up blood
  • Dizziness
  • Fainting
  • Feeling tired
  • Shortness of breath
  • Skipped heartbeats (palpitations)
  • Stroke
  • Swelling in the joints caused by too much uric acid (gout)

Exams and Tests

The health care provider will examine the child. During the exam, the provider may find:

  • Abnormal heart rhythm (arrhythmia)
  • Enlarged ends of the fingers or toes (clubbing)
  • Heart murmur (an extra sound when listening to the heart)

The provider will diagnose Eisenmenger syndrome by looking at the person's history of heart problems. Tests may include:

  • Complete blood count (CBC)
  • Chest x-ray
  • MRI scan of the heart
  • Putting a thin tube in an artery to view the heart and blood vessels and measure pressures (cardiac catheterization)
  • Test of the electrical activity in the heart (electrocardiogram)
  • Ultrasound of the heart (echocardiogram)

The number of cases of this condition in the United States has dropped because doctors are now able to diagnose and correct the defect sooner. Therefore, the problem can be corrected before irreversible damage occurs to the small lung arteries.

Treatment

Affected people may receive oxygen, although it is unclear if it helps to prevent the disease from getting worse. In addition, medicines that work to relax and open the blood vessels may be given. People with very severe symptoms may eventually need a heart-lung transplant.

Outlook (Prognosis)

How well the affected person does depends on whether another medical condition is present, and the age at which high blood pressure develops in the lungs. People with this condition can live 20 to 50 years.

Possible Complications

Complications may include:

  • Bleeding (hemorrhage) in the brain
  • Congestive heart failure
  • Gout
  • Heart attack
  • Hyperviscosity (sludging of the blood because it is too thick with blood cells)
  • Infection (abscess) in the brain
  • Kidney failure
  • Poor blood flow to the brain
  • Stroke
  • Sudden death

When to Contact a Medical Professional

Contact your provider if your child develops symptoms of Eisenmenger syndrome.

Prevention

Surgery as early as possible to correct the heart defect can prevent Eisenmenger syndrome.

References

Bernstein D. General principles of treatment of congenital heart disease. In: Kliegman RM, St. Geme JW, Blum NJ, Shah SS, Tasker RC, Wilson KM, eds. Nelson Textbook of Pediatrics. 21st ed. Philadelphia, PA: Elsevier; 2020:chap 461.

Therrien J, Marelli AJ. Congenital heart disease in adults. In: Goldman L, Schafer AI, eds. Goldman-Cecil Medicine. 26th ed. Philadelphia, PA: Elsevier; 2020:chap 61.

Valente AM, Dorfman AL, Babu-Narayan SV, Krieger EV. Congenital heart disease in the adolescent and adult. In: Libby P, Bonow RO, Mann DL, Tomaselli GF, Bhatt DL, Solomon SD, eds. Braunwald's Heart Disease: A Textbook of Cardiovascular Medicine. 12th ed. Philadelphia, PA: Elsevier; 2022:chap 82.

Text only

  • Congenital heart defects (CHD) - Blood flow

    Congenital heart defects (CHD) - Blood flow

    Animation

  •  

    Congenital heart defects (CHD) - Blood flow - Animation

    Congenital heart defects can involve the anterior walls of the heart, valves inside the heart, or the vessels that carry blood to or away from the heart. There are many different types of congenital heart defects, but most alter the normal flow of blood through the heart. For example, right-to-left shunts, (RTLS), cause blood to flow from the right heart to the left heart, whereas in left-to-right shunts, the inverse occurs. RTLS are also called cyanotic congenital heart disease, because from birth or soon after, blood that is poorly oxygenated enters the systemic circulation and causes cyanosis. People with RTLS often experience breathlessness, fainting, or chest pain during physical activity. Affected infants may fail to gain weight due to fatigue during feeding. There are several causes of RTLS, including a congenital cardiac anomaly called Tetralogy of Fallot. Left-to-right shunts (LTRS), also called late cyanotic congenital heart disease, are more common than right-to-left shunts. They do not cause cyanosis from birth, but they may gradually cause overload with associated hypertrophy of the right ventricle and pulmonary hypertension. If pressure in the right heart becomes higher than in the left, a reversal may occur, to produce a right-to-left shunt. This reversal allows poorly oxygenated blood to enter the systemic circulation, producing late cyanotic congenital heart disease (Eisenmenger’s syndrome). Although there are several causes, left-to-right shunts often involve defects of the ventricular or atrial septa.

  • Eisenmenger syndrome (or complex)

    Children born with Eisenmenger syndrome are born with a hole between the two pumping chambers, the left and right ventricles, of the heart (ventricular septal defect). The hole allows blood that has already picked up oxygen from the lungs to flow back into the lungs, instead of going out to the rest of the body. The increased blood flow and high pressure damages the small blood vessels in the lungs.

    Eisenmenger syndrome (or complex)

    illustration

  • Congenital heart defects (CHD) - Blood flow

    Congenital heart defects (CHD) - Blood flow

    Animation

  •  

    Congenital heart defects (CHD) - Blood flow - Animation

    Congenital heart defects can involve the anterior walls of the heart, valves inside the heart, or the vessels that carry blood to or away from the heart. There are many different types of congenital heart defects, but most alter the normal flow of blood through the heart. For example, right-to-left shunts, (RTLS), cause blood to flow from the right heart to the left heart, whereas in left-to-right shunts, the inverse occurs. RTLS are also called cyanotic congenital heart disease, because from birth or soon after, blood that is poorly oxygenated enters the systemic circulation and causes cyanosis. People with RTLS often experience breathlessness, fainting, or chest pain during physical activity. Affected infants may fail to gain weight due to fatigue during feeding. There are several causes of RTLS, including a congenital cardiac anomaly called Tetralogy of Fallot. Left-to-right shunts (LTRS), also called late cyanotic congenital heart disease, are more common than right-to-left shunts. They do not cause cyanosis from birth, but they may gradually cause overload with associated hypertrophy of the right ventricle and pulmonary hypertension. If pressure in the right heart becomes higher than in the left, a reversal may occur, to produce a right-to-left shunt. This reversal allows poorly oxygenated blood to enter the systemic circulation, producing late cyanotic congenital heart disease (Eisenmenger’s syndrome). Although there are several causes, left-to-right shunts often involve defects of the ventricular or atrial septa.

  • Eisenmenger syndrome (or complex)

    Children born with Eisenmenger syndrome are born with a hole between the two pumping chambers, the left and right ventricles, of the heart (ventricular septal defect). The hole allows blood that has already picked up oxygen from the lungs to flow back into the lungs, instead of going out to the rest of the body. The increased blood flow and high pressure damages the small blood vessels in the lungs.

    Eisenmenger syndrome (or complex)

    illustration


Review Date: 2/23/2022

Reviewed By: Thomas S. Metkus, MD, Assistant Professor of Medicine and Surgery, Johns Hopkins University School of Medicine, Baltimore, MD. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.

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