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Congenital heart disease

Congenital heart disease (CHD) is a problem with the heart's structure and function that is present at birth.

CHD can describe a number of different problems affecting the heart. It is the most common type of birth defect. CHD causes more deaths in the first year of life than any other birth defects.

CHD is often divided into two types: cyanotic (blue skin color caused by a lack of oxygen) and non-cyanotic. The following lists cover the most common CHDs:

Cyanotic:

Non-cyanotic:

These problems may occur alone or together. Most children with CHD do not have other types of birth defects. However, heart defects may be part of genetic and chromosomal syndromes. Some of these syndromes may be passed down through families.

Examples include:

Often, no cause for the heart disease can be found. CHDs continue to be investigated and researched. Drugs such as retinoic acid for acne, chemicals, alcohol, and infections (such as rubella) during pregnancy can contribute to some congenital heart problems.

Poorly controlled blood sugar in women who have diabetes during pregnancy has also been linked to a high rate of congenital heart defects.

Symptoms

Symptoms depend on the condition. Although CHD is present at birth, the symptoms may not appear right away.

Defects such as coarctation of the aorta may not cause problems for years. Other problems, such as a small VSD, ASD, or PDA may never cause any problems.

Exams and Tests

Most congenital heart defects are found during a pregnancy ultrasound. When a defect is found, a pediatric heart doctor, surgeon, and other specialists can be there when the baby is delivered. Having medical care ready at the delivery can mean the difference between life and death for some babies.

Which tests are done on the baby depend on the defect and the symptoms.

Treatment

Which treatment is used, and how well the baby responds to it, depends on the condition. Many defects need to be followed carefully. Some will heal over time, while others will need to be treated.

Some CHDs can be treated with medicine alone. Others need to be treated with one or more heart procedures or surgeries.

Prevention

Women who are pregnant should get good prenatal care:

  • Avoid alcohol and illegal drugs during pregnancy.
  • Tell your health care provider that you are pregnant before taking any new medicines.
  • Have a blood test early in your pregnancy to see if you are immune to rubella. If you are not immune, avoid any possible exposure to rubella and get vaccinated right after delivery.
  • Pregnant women who have diabetes should try to get good control over their blood sugar level.

Certain genes may play a role in CHD. Many family members may be affected. Talk to your provider about genetic counseling and screening if you have a family history of CHD.

References

Fraser CD, Kane LC. Congenital heart disease. In: Townsend CM Jr, Beauchamp RD, Evers BM, Mattox KL, eds. Sabiston Textbook of Surgery: The Biological Basis of Modern Surgical Practice. 20th ed. Philadelphia, PA: Elsevier; 2017:chap 58.

Webb GD, Smallhorn JF, Therrien J, Redington AN. Congenital heart disease. In: Mann DL, Zipes DP, Libby P, Bonow RO, Braunwald E, eds. Braunwald's Heart Disease: A Textbook of Cardiovascular Medicine. 10th ed. Philadelphia, PA: Elsevier Saunders; 2015:chap 62.

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    • Ultrasound, normal fetus - heartbeat

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    • Patent ductus arteriosis (PDA) - series

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      • Heart, section through the middle

        Heart, section thr...

        Illustration

      • Heart, front view

        Heart, front view

        Illustration

      • Ultrasound, normal fetus - heartbeat

        Ultrasound, normal...

        Illustration

      • Ultrasound, normal fetus - heartbeat

        Ultrasound, normal...

        Illustration

      • Patent ductus arteriosis (PDA) - series

        Patent ductus arte...

        Presentation

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      A Closer Look

       

      Tests for Congenital heart disease

       
       

      Review Date: 12/8/2017

      Reviewed By: Steven Kang, MD, Director, Cardiac Electrophysiology, Alta Bates Summit Medical Center, Stanford Healthcare, Oakland, CA. Review provided by VeriMed Healthcare Network. 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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