Health Library Logo

Health Library

Eisenmenger Syndrome

Overview

Eisenmenger syndrome is a serious, long-lasting problem that can happen in people born with a heart defect. This birth defect, called a congenital heart defect, is a problem with the heart's structure. If a congenital heart defect isn't fixed, it can sometimes lead to Eisenmenger syndrome.

In Eisenmenger syndrome, the blood doesn't flow properly through the heart and lungs. This causes the blood vessels in the lungs to become thick and narrow, like a pipe getting clogged. This makes it harder for blood to move through the lungs. As a result, blood pressure in the arteries of the lungs goes up. This damage to the lung blood vessels is permanent.

Catching and fixing congenital heart defects early on is the best way to prevent Eisenmenger syndrome. If someone does develop Eisenmenger syndrome, treatment focuses on managing the symptoms. This might involve regular checkups with a doctor and taking medicine to help with the symptoms.

Symptoms

Eisenmenger syndrome can cause several noticeable symptoms. One common sign is a bluish or grayish tint to the skin. This change might be more or less obvious depending on your natural skin tone. Other symptoms include:

  • Chest pain or tightness: This can feel like pressure or discomfort in your chest.
  • Coughing up blood (hemoptysis): This is a serious symptom and needs immediate attention.
  • Dizziness or fainting: These episodes can be caused by a lack of oxygen reaching the brain.
  • Feeling tired easily and short of breath with physical activity: Even simple tasks may become difficult.
  • Headaches: Headaches can be a symptom of many things, but could be related to low oxygen levels.
  • Clubbed fingers or toes: This means the fingernails or toenails appear large and rounded.
  • Numbness or tingling in the fingers or toes: This is often a sign of poor blood circulation.
  • Shortness of breath, even when resting: This is a critical symptom and should not be ignored.
  • Irregular heartbeats (palpitations): Your heart might feel like it's skipping beats or racing.

If you experience any of these symptoms, it's crucial to see a doctor. Even if you haven't been diagnosed with a heart problem before, it's important to get checked out. Seek immediate medical attention for serious symptoms like shortness of breath or chest pain. Early diagnosis and treatment are key to managing Eisenmenger syndrome.

When to see a doctor

If you're experiencing any signs of Eisenmenger syndrome, see a doctor right away. Even if you haven't been diagnosed with a heart problem before, it's important to schedule an appointment.

Seek immediate medical attention for serious symptoms like shortness of breath or chest pain. These are urgent situations that require immediate care.

Causes

Eisenmenger syndrome is a condition that develops when a hole, called a shunt, is present in the heart from birth. This hole allows blood to flow in a way it shouldn't, usually because of a congenital heart defect. Congenital heart defects are problems with the heart's structure that are present at birth. Several types of congenital heart defects can lead to Eisenmenger syndrome:

  • Ventricular septal defect (VSD): This is the most common cause. VSD is a hole in the wall separating the heart's two lower chambers (ventricles). Imagine a wall between two rooms in a house with a hole in it – that's roughly what it's like.

  • Atrioventricular canal defect: This is a larger hole in the center of the heart, where the walls between the upper and lower chambers meet. Along with the hole, some of the heart's valves might not work correctly.

  • Atrial septal defect (ASD): This is a hole in the wall separating the heart's two upper chambers (atria).

  • Patent ductus arteriosus (PDA): This is an abnormal connection between the artery carrying blood to the lungs and the main artery leaving the heart.

When blood flows abnormally through these holes, it creates higher-than-normal pressure in the artery leading to the lungs (pulmonary artery). Over time, this increased pressure damages the smaller blood vessels in the lungs. This damage makes it harder for the heart to pump blood efficiently to the lungs.

Crucially, in Eisenmenger syndrome, the pressure increase happens on the side of the heart that carries blood low in oxygen (the "blue" blood). This "blue" blood flows through the hole, mixing with the oxygen-rich blood. This mixing of blood reduces the overall amount of oxygen in the blood, which can lead to serious health problems.

Risk factors

Having a family member with a birth defect affecting the heart (congenital heart defect) makes it more likely that a baby will also have one. If you yourself have a condition called Eisenmenger syndrome, it's important to talk to your doctor about the possibility of checking other family members for similar heart problems. This is because a family history of these kinds of heart problems can be a warning sign. Your doctor can discuss the best way to screen for these defects in other family members.

Complications

Eisenmenger syndrome is a serious heart condition that can be life-threatening. How well someone with this condition does depends on what caused it and if they have any other health problems.

Eisenmenger syndrome can lead to several complications:

  • Low oxygen levels: The way blood flows through the heart changes, sending less oxygen to the body's organs and tissues. If untreated, this lack of oxygen can worsen significantly. This means the body's organs and tissues may not get enough oxygen, potentially leading to damage.

  • Irregular heartbeats (arrhythmias): Eisenmenger syndrome causes the heart muscle to thicken and enlarge. This, combined with the lower oxygen levels, can lead to an irregular heartbeat. These abnormal heart rhythms can increase the risk of blood clots forming. Blood clots can travel to other parts of the body, potentially causing heart attacks or strokes.

  • Sudden cardiac arrest: This happens when the heart suddenly stops working properly due to an irregular heartbeat. Without immediate medical attention, sudden cardiac arrest can be fatal. However, prompt and appropriate medical care can sometimes help people survive.

  • Lung bleeding: Eisenmenger syndrome can cause dangerous bleeding in the lungs and airways. Bleeding can also occur in other parts of the body.

  • Stroke: Blood clots can travel from the right side of the heart to the left, potentially blocking a blood vessel in the brain. This blockage can lead to a stroke.

  • Kidney problems: The low oxygen levels in the blood can affect the kidneys' ability to function properly.

  • Gout: People with Eisenmenger syndrome may have a higher risk of gout, a type of arthritis. Gout causes sudden, intense pain and swelling in one or more joints, often the big toe.

  • Heart infection (endocarditis): Individuals with Eisenmenger syndrome are more susceptible to a heart infection called endocarditis.

  • Pregnancy complications: Pregnancy puts extra strain on the heart and lungs. For people with Eisenmenger syndrome, pregnancy carries a significant risk of complications, potentially even death, for both the pregnant person and the baby. It's crucial to discuss the specific risks with a healthcare provider if you have this condition and are considering pregnancy.

Diagnosis

Diagnosing Eisenmenger Syndrome

Doctors use a combination of physical exams and tests to diagnose Eisenmenger syndrome. First, they'll ask about your symptoms and medical history. They'll also do a physical exam to check for any signs related to the condition.

Several tests might be used to confirm the diagnosis:

  • Blood tests: These are important for checking different aspects of your health. A complete blood count (CBC) is often done. In Eisenmenger syndrome, the number of red blood cells might be higher than normal. Blood tests also help evaluate how well your kidneys and liver are functioning. Your doctor may also check your iron levels.

  • Electrocardiogram (ECG or EKG): This painless test measures the electrical signals that control your heart's rhythm. Small, sticky sensors are placed on your chest, and sometimes your arms or legs. These sensors are connected to a machine that records the electrical activity. An ECG can show if your heart is beating too fast, too slow, or irregularly.

  • Chest X-ray: This common imaging test creates a picture of your heart and lungs. It can help show if there are any structural abnormalities.

  • Echocardiogram: This test uses sound waves to create a moving picture of your heart. It helps doctors see how blood flows through the heart and its valves. This is helpful in visualizing any potential problems with the heart's structure or function.

  • CT scan of the lungs: A CT scan uses X-rays to create detailed images of your lungs and the blood vessels within them. It provides more detailed information than a regular X-ray. In some cases, a special dye (contrast) might be injected into a vein to highlight the blood vessels more clearly.

  • MRI scan of the lungs: An MRI uses magnetic fields and radio waves to create highly detailed images of the lungs and blood vessels. This can help diagnose subtle problems not visible on other scans.

  • Walking test: Your doctor might ask you to walk on a treadmill or similar equipment for a short period. This helps evaluate how your body responds to physical exertion. It can help determine if there are any issues with your heart's ability to handle exercise.

These tests, along with the doctor's evaluation, help determine if you have Eisenmenger syndrome and the best course of treatment.

Treatment

Eisenmenger syndrome is a complex heart condition that requires ongoing management. The main goals of treatment are to ease symptoms, improve overall well-being, and prevent further problems.

Finding the Right Doctor

It's important to see a cardiologist (heart doctor) experienced in treating congenital heart defects (problems with the heart present from birth). Regular checkups, at least once a year, are crucial for monitoring your condition.

Medications: A Key Part of Treatment

Medications are a cornerstone of Eisenmenger syndrome treatment. While they can't cure the condition, they can significantly improve quality of life.

  • Heart Rhythm Medications (Anti-arrhythmics): These help regulate your heart's rhythm to prevent irregular beats.
  • Iron Supplements: If your iron levels are low, your doctor might recommend supplements. However, always discuss this with your healthcare team before starting any iron supplements.
  • Blood Thinners (e.g., Aspirin, Warfarin): These medications can help prevent blood clots and strokes, but they can increase the risk of bleeding. Your doctor will decide if they are necessary for you and will monitor you closely if you are prescribed them. Don't take these medications unless your doctor tells you to.
  • Bosentan (Tracleer): This medicine is sometimes used to treat pulmonary arterial hypertension, a condition where blood flow to the lungs is reduced. It can help more blood reach the lungs, but it's important to get regular blood tests while taking it, as it can affect the liver.
  • Antibiotics: Sometimes, antibiotics are needed before certain dental or medical procedures to prevent a bacterial infection of the heart (endocarditis). This is only recommended in specific situations, so discuss this with your doctor.

Surgical Options (Rare):

Surgery to repair the heart defect isn't typically recommended after Eisenmenger syndrome develops. However, some procedures may be necessary to manage symptoms or complications.

  • Phlebotomy (Blood Withdrawal): If your red blood cell count is too high, causing symptoms like headaches or vision problems, your doctor may recommend phlebotomy. This involves removing some blood. It's not a routine procedure, and should only be done under the care of a specialist in congenital heart disease. Fluids are often given intravenously (IV) to replace the lost fluids.
  • Heart or Lung Transplant: In very advanced cases where other treatments are ineffective, a heart or lung transplant may be considered.

Important Note: For the best possible care, it's crucial to seek treatment at a medical center with experienced healthcare professionals specializing in congenital heart conditions.

Address: 506/507, 1st Main Rd, Murugeshpalya, K R Garden, Bengaluru, Karnataka 560075

Disclaimer: August is a health information platform and its responses don't constitute medical advise. Always consult with a licenced medical professional near you before making any changes.

Made in India, for the world