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Constrictive pericarditis is long-term, or chronic, inflammation of the pericardium. The pericardium is the sac-like membrane that surrounds the heart. Inflammation in this part of the heart causes scarring, thickening, and muscle tightening, or contracture. Over time, the pericardium loses its elasticity and becomes rigid.
The condition is rare in adults, and it’s even less common in children.
It can become a serious health issue. If it’s left untreated, a rigid pericardium can lead to symptoms of heart failure, and may even be life-threatening. There are effective treatments for the condition.
The symptoms of constrictive pericarditis include:
When the covering of your heart is chronically inflamed, it becomes rigid. As a result, your heart cannot stretch as much as it should when it beats. This can prevent your heart chambers from filling up with the right amount of blood. This is what leads to the symptoms of heart failure.
The cause of constrictive pericarditis is not always known. However, possible causes may include:
Some of the less common causes are:
In some cases, your doctor may not be able to find the cause of the inflammation. There are plenty of treatment options even if the cause of the condition is never found.
The following factors increase your risk of developing this condition:
Untreated pericarditis can become chronic.
Systemic lupus, rheumatoid arthritis, and other immune diseases have been shown to increase your risk for constrictive pericarditis.
Having had a heart attack or having undergone heart surgery can both increase your risk.
Pericarditis is a side effect of some medications.
Constrictive pericarditis is most common in men between the ages of 20 and 50.
This condition is difficult to diagnose. It may be confused with other heart conditions like:
A diagnosis of constrictive pericarditis is often made by ruling out these other conditions.
Your doctor will ask about your symptoms and perform a physical exam. The following signs are common:
Your doctor may order one or more of the following tests:
Chest MRIs, CT scans, and X-rays produce detailed images of the heart and the pericardium. A CT scan and MRI can detect thickening in the pericardium and blood clots.
In cardiac catheterization, your doctor inserts a thin tube into your heart through your groin or arm. The tube collects blood samples, removes tissue for biopsy, and takes measurements from inside your heart.
An electrocardiogram measures your heart’s electrical impulses. Irregularities may suggest you have constrictive pericarditis or another heart condition.
An echocardiogram makes a picture of your heart using sound waves. It can detect fluid or thickening in the pericardium.
Treatment focuses on improving your heart’s function.
In the early stages of pericarditis, the following may be recommended:
If it’s clear that you have constrictive pericarditis and your symptoms have become severe, your doctor may suggest a pericardiectomy. In this surgery, parts of the scarred sac are cut away from around the heart. This is a complicated surgery that does have some risk, but it’s often the best option.
If it’s left untreated, this condition can be life-threatening. You may develop symptoms of heart failure. However many people with constrictive pericarditis can lead healthy lives if they get treatment for their condition.
Written by: Kimberly Holland
Medically reviewed on: Jan 04, 2016: Debra Sullivan, PhD, MSN, RN, CNE, COI
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