Being pregnant is a very happy thing. However, sometimes unexpected health problems can arise. Today, we are going to talk about a rare heart condition that can occur either towards the end of pregnancy or within a few months after giving birth. This condition is called Peripartum Cardiomyopathy.
What is Peripartum Cardiomyopathy (PPCM)?
Simply put, Peripartum Cardiomyopathy (PPCM) is a rare condition that weakens your heart muscle. This causes your heart to lose its ability to pump blood to the rest of your body. This can sometimes be life-threatening . This condition often affects women in the last month of pregnancy or up to five months after giving birth. That's why some people call it ``postpartum cardiomyopathy.'' Although it can occur at any age, it is most common in women over the age of 30.
Peripartum Cardiomyopathy affects a chamber in your heart, the left ventricle . This left ventricle has the important job of pumping oxygen-rich blood throughout your body. So when it becomes weak, it doesn't do its job properly.
You may have heard your doctor use the term 'left ventricular ejection fraction' or 'left ventricular ejection fraction (LVEF)'. This is usually measured with an 'echocardiogram'. This LVEF is a measure of how well your left ventricle can pump blood out of your heart. It is expressed as a percentage, so the higher the percentage, the better. A healthy person's LVEF is usually between 50% and 70%. However, in someone with Peripartum Cardiomyopathy, it can drop below 45% . The lower the LVEF, the more serious the condition.
It is very important to diagnose this disease early . Only then will the chances of getting proper treatment and recovering quickly increase.
How common is this condition?
Peripartum Cardiomyopathy is not a very common condition. But it's hard to say exactly how rare it is. There is a huge difference in the statistics about this not only in the United States, but also around the world. In the United States, the condition is reported to occur in about one in 1,000 to 4,000 pregnancies. Some studies show that it is slightly more common in the southern regions of the United States than in other regions.
What are the symptoms of Peripartum Cardiomyopathy?
Peripartum Cardiomyopathy symptoms can sometimes be easy to miss. Many of these symptoms are similar to what you normally experience during pregnancy. But because this condition is so serious, it's important to pay special attention to these symptoms:
- Difficulty breathing (dyspnea) – especially when you are trying to sleep, lying down, or engaging in any physical activity.
- Fatigue .
- Swelling of the feet and ankles (edema) .
- Feeling of heart palpitations .
- Dry cough .
- Swollen neck veins .
- Feeling dizzy (`Lightheadedness`) .
- Low blood pressure (hypotension) , or a drop in blood pressure when you stand up suddenly.
- Chest pain .
Peripartum Cardiomyopathy usually begins in the last month of pregnancy or later. But it can sometimes start earlier. Also, pregnancy puts extra strain on the heart and can worsen previously undiagnosed heart conditions. Therefore, it is important to pay attention to symptoms throughout pregnancy , not just in the last few weeks.
What are the causes of Peripartum Cardiomyopathy?
Researchers have not yet found a specific cause for Peripartum Cardiomyopathy. However, they believe that hormonal changes during pregnancy and other conditions, such as preeclampsia, may be responsible. It is possible that several factors may come together to cause this condition.
Peripartum Cardiomyopathy may be hereditary, but research has not yet confirmed this link. It is estimated that between 15% and 20% of women with peripartum cardiomyopathy have genetic mutations that can cause cardiomyopathy. If you have one of these mutations, the stress of pregnancy and childbirth can cause symptoms of cardiomyopathy. It is important for you and your cardiologist to be aware of any family history of heart disease, especially cardiomyopathy or heart failure.
What are the risk factors for Peripartum Cardiomyopathy?
There are a number of risk factors that can affect peripartum cardiomyopathy. The more risk factors you have, the higher your risk of developing peripartum cardiomyopathy. These risk factors can add up to pose a greater risk than any single factor alone.
Possible risk factors before pregnancy
- High blood pressure (hypertension) .
- Diabetes .
- Obesity .
- Selenium and zinc deficiency .
- Substance use disorder (SUD) .
Risk factors associated with pregnancy
- Pregnancy for the first time .
- Having twins or triplets .
- Having previously been diagnosed with Peripartum Cardiomyopathy .
- Using techniques such as `IVF` (in vitro fertilization) to achieve pregnancy .
Risks of complications during pregnancy
- Preeclampsia and eclampsia .
- Anemia .
- Thyroid disease .
- Exacerbation of asthma or autoimmune disease .
- If you have preterm contractions, prolonged use of medications to delay labor .
Special facts for black women (based on research)
This section is based on research conducted specifically on black American women. Accordingly:
- The diagnosis of Peripartum Cardiomyopathy is more common among them.
- This condition causes more severe damage to the heart and a decrease in the heart's pumping ability.
- There is a higher chance of more serious complications .
- The disease is diagnosed at a younger age (around 27 years old, others usually at 31 years old) .
- The problem may have become more serious due to the late diagnosis of the disease after childbirth.
- The risk of death from this condition is high .
This information is based on research conducted in the United States, and keep in mind that risk factors may vary among different populations. It's best to talk to your doctor about your personal risk.
What are the possible complications of Peripartum Cardiomyopathy?
When your left ventricle becomes weak and tired, it can't pump blood properly, especially to organs that depend on it, like the lungs and liver. This slowing down affects the entire body. It can lead to heart failure , as well as increasing the risk of blood clots and thrombosis .
Life-threatening complications may include:
- Abnormal heartbeats (arrhythmias) .
- Cardiogenic shock .
- Severe heart failure .
- Problems caused by a blood clot .
- Brain damage .
How is Peripartum Cardiomyopathy diagnosed?
Your doctor will determine that you have Peripartum Cardiomyopathy if you have all three of these conditions :
- You must have developed heart failure either towards the end of your pregnancy or within five months of having the baby.
- The doctor should be unable to find any other cause for your heart failure. (That is, everything else that could be causing your symptoms should have been ruled out.)
- Your left ventricular ejection fraction (`LVEF`) should be less than 45%.
For this diagnosis, the doctor will talk to you about your health history and family health history.
When diagnosing, your doctor may classify your condition as Class I, II, III, or IV. The higher the number, the more serious the condition . Early detection of peripartum cardiomyopathy can reduce the risk of death and allow treatment to begin as soon as possible. If the condition is diagnosed after it has worsened, the risk of serious complications, such as ongoing heart problems, is higher.
What are the diagnostic tests?
There is no specific test to diagnose peripartum cardiomyopathy. Instead, your doctor will use other tests along with the information you provide. He or she will perform a physical exam to check for excess fluid in the body. After that, tests such as:
- Blood tests .
- Electrocardiogram (ECG/EKG) .
- Chest X-ray .
- Echocardiogram (`Echocardiogram - echo`) . This can check your `LVEF` value. This is very important in diagnosis.
- Heart MRI (magnetic resonance imaging) test .
- Heart catheterization .
- Myocardial biopsy (this is done very rarely) .
These tests can also reveal if you had any heart problems before you became pregnant. Some people have had heart disease for years but don't notice symptoms until they start to show during pregnancy. Your test results will help your doctor make an accurate diagnosis.
What are the treatments for Peripartum Cardiomyopathy?
Peripartum Cardiomyopathy treatment is aimed at controlling the symptoms of heart failure and helping your heart to heal. This condition will not get better on its own . If the condition is diagnosed during pregnancy, your doctor will make sure that any medications you are taking are safe for your baby. They will talk to you about your treatment options and any possible side effects. You will also work with a team of specialists who can advise you on high-risk pregnancies and how heart disease can affect your pregnancy.
You will often be given the same medications as those used for other types of heart failure. For example:
- Angiotensin-converting enzyme (ACE) inhibitors .
- Angiotensin II receptor blockers (ARBs) .
- Angiotensin receptor/neprilysin inhibitors (ARNIs) .
- Beta-blockers .
- Diuretics (water pills) .
- Hydralazine/nitrates .
- Mineralocorticoid receptor antagonists (MRAs) .
- Sodium-glucose cotransporter-2 (SGLT2) inhibitors .
- Anticoagulants (blood thinners) .
Depending on how well your heart is working, you may also need other treatments. These include:
- Something like a wearable or implanted cardiac device (cardiac defibrillator) .
- A left ventricular assist device (LVAD) .
- Heart transplant . This is usually done for people whose disease is very advanced, whose LVEF is very low, and who are not responding to treatment.
Complications and side effects of treatment
Side effects of treatment vary depending on the treatment and whether you are pregnant at the time. Taking beta-blockers during pregnancy can cause your baby to have low birth weight, hypoglycemia (low blood sugar), bradycardia (slow heart rate), or heart block.
Some medications – such as ACE inhibitors, ARBs, ARNIs, MRAs and SGLT2 inhibitors – are not safe to use during pregnancy. However, they are generally safe to take while breastfeeding, as only small amounts pass into breast milk. It is important to talk to your doctor about the timing, risks and side effects of each medication.
How quickly will I feel better after treatment?
More than 50% of people with peripartum cardiomyopathy recover to normal heart function – often in less than six months of treatment. Some recover in a few days or weeks. For others, it can take years to recover.
However, even after your heart function returns to normal, you will still need to take medication for at least a year .
How to reduce the risk of peripartum cardiomyopathy?
The best way to prevent peripartum cardiomyopathy is to do everything you can to keep your heart healthy. While you can't avoid all risk factors, you can control others by:
- Eating heart-healthy foods .
- Engaging in regular physical exercise .
- Avoiding tobacco products and alcohol .
- Work with your doctor to manage conditions like being overweight or obese .
- Check your blood pressure regularly and seek treatment if necessary .
If you had heart failure in a previous pregnancy, talk to your doctor about your risk factors if you are planning to become pregnant again.
What can you expect if you have Peripartum Cardiomyopathy?
If you have Peripartum Cardiomyopathy, you will need to work closely with your doctor and a team of specialists to monitor your health. If you are still pregnant, your healthcare team will also monitor the condition of your baby.
They will also plan your delivery. If your heart failure is stable, your doctor will likely want you to have a vaginal delivery. However, you may need an epidural, an episiotomy, or the use of forceps to make the birth easier.
If you have Peripartum Cardiomyopathy, you are more likely to have a cesarean delivery (C-section) or a preterm birth . It is important to talk to your doctor about your options and risks.
After you have your baby, you will need to continue to work with your doctor to manage your care and treatment. How you feel and how quickly you recover will depend on many factors, but the most important factor is your left ventricular ejection fraction (LVEF) . If your LVEF is less than 30% at the time of diagnosis, you are at higher risk of developing serious complications.
Is Peripartum Cardiomyopathy a permanent condition?
For some people, peripartum cardiomyopathy is a permanent condition. For others, treatment can control symptoms and restore heart function to full or partial normality.
If your LVEF is at least 50% to 55%, your doctor will consider you to have fully recovered from peripartum cardiomyopathy. Most studies look at this number six months after the diagnosis. Recovery rates vary greatly from region to region and from race to race. In the United States, the recovery rate after six months is between 44% and 63%, while in some countries it is as low as 21% to 36%.
One study found that 4 out of 5 black women with peripartum cardiomyopathy do not fully recover, and 1 in 10 do not survive. (Again, note that this was a US study).
Even after your heart function returns to normal, you will need to monitor your health closely and work closely with your doctor. This is because 1 in 5 women who recover from peripartum cardiomyopathy will eventually have a relapse of heart failure. Also, even after your LVEF returns to a healthy level, you may experience long-term effects, such as a decrease in your ability to exercise.
What is the life expectancy with Peripartum Cardiomyopathy?
Life expectancy with peripartum cardiomyopathy depends on your condition, how well your treatment works, and many other factors related to your overall health. The lower your left ventricular ejection fraction (LVEF), the higher your risk of death. Also, the outlook is not as good for people who need medical devices to help their heart function.
Researchers estimate that the global mortality rate is between 2.5% and 32%. The United States is at the lowest end of this range, with a mortality rate between 6% and 10%.
How do I take care of myself?
The most important thing you can do to take care of yourself is to see your doctor regularly . Follow your doctor's plan, and talk to your doctor about any problems or changes you notice.
Here are some simple changes you can make every day:
- Reduce the amount of salt you eat . Find other ways to flavor food without salt.
- Weigh yourself regularly to check for fluid retention . If you gain 3-4 pounds (about 1.3 - 1.8 kg) in weight in two or three days, talk to your doctor.
- Quitting smoking . Ask your doctor about resources that can help.
- Reducing alcohol consumption, or stopping it completely .
If you are breastfeeding, talk to your doctor about the risks, such as passing medication to your baby through your breast milk. In general, the benefits of breastfeeding – such as bonding with your baby – outweigh the risks. You may want to work with a post-pregnancy counselor to help you decide what is best for you and your baby.
Peripartum Cardiomyopathy and Mental Health
Peripartum Cardiomyopathy can be a life-changing diagnosis. As you care for your newborn, you may feel a lot of emotions at once. It can be overwhelming to handle all of this at once.
The stress caused by peripartum cardiomyopathy can increase your risk of developing mood disorders. More than 50% of people with peripartum cardiomyopathy experience generalized anxiety or anxiety about their heart condition.
In the United States, about one in 10 women develop postpartum depression after giving birth, and about one in 3 women develop depression after being diagnosed with Peripartum Cardiomyopathy.
If you're feeling sad, anxious, or overwhelmed, you're not alone. If you're not already working with a counselor or therapist, ask your doctor for a referral.
When should I see a doctor?
If you have any symptoms of peripartum cardiomyopathy, call your doctor right away . You will have regular appointments during your treatment. Once your heart is working well again (with a normal LVEF), you should have your heart checked by a doctor once a year or more often. This is when the condition can be checked for recurrence. If it does, regular checkups can catch it early.
When should you go to the emergency room?
If you experience chest pain, a racing heart, fainting, or any new symptoms, call 911 (or your local emergency number) immediately, or go to the emergency room (ER) .
What questions should I ask the doctor?
Here are some questions you can ask your doctor:
- Can I treat it with medication, or do I need a medical device?
- Will I have to have a cesarean section (C-section)?
- How often will I have to come for follow-up appointments?
Can I get pregnant again if I have Peripartum Cardiomyopathy?
Many women develop peripartum cardiomyopathy more than once. If you have it in one pregnancy, you are more likely to develop it again. About 1 in 3 women will develop it in a subsequent pregnancy.
You can talk to your doctor about whether it's safe to get pregnant again. If it's too risky, you may want to consider birth control. You'll want a birth control method that doesn't contain estrogen, because estrogen therapy increases the risk of blood clots and thrombosis.
If you become pregnant again, you will need close monitoring and regular checkups to catch any early signs of heart failure.
When you're getting ready to have a baby, you don't expect to have a heart condition. Managing a new heart condition while caring for a newborn can be overwhelming. Your healthcare team will support you every step of the way, doing everything they can to strengthen your heart. If you're pregnant and have risk factors for peripartum cardiomyopathy, talk to your doctor. It's important to get the disease diagnosed early to reduce the risk of serious complications for you and your baby, and to get the treatment you need .
What are the most important things we want to take home from this story?
Peripartum Cardiomyopathy is a condition that weakens the heart that can occur late in pregnancy or within a few months after giving birth. The symptoms are similar to those of normal pregnancy, so watch out for things like shortness of breath, unusual tiredness, and swollen legs . Early detection and treatment can increase your chances of recovery. If you have any concerns, be sure to see a doctor . It's also important to take care of your mental health. Remember, you're not alone, and there are many people who can help.
` Peripartum Cardiomyopathy, Pregnancy Heart Disease, Heart Failure, LVEF, Pregnancy Complications, Heart Disease Symptoms, Postpartum Health
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