Will patent ductus arteriosus increase with age?

Written by Di Zhi Yong
Cardiology
Updated on September 01, 2024
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Patent ductus arteriosus is a type of congenital heart disease, primarily treated through surgery. Early surgical intervention can completely cure this disease. However, as age increases, the symptoms of this disease can become more severe. Based on the patient's condition, it is recommended to undergo early surgical treatment at a hospital to alleviate the patient's suffering. As age increases, various organic diseases may emerge, which can sometimes affect a child's growth and development. During this period, it is advised that the patient regularly revisits the hospital for echocardiography checks and to also be cautious in preventing upper respiratory infections.

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Written by Xie Zhi Hong
Cardiology
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What will happen if patent ductus arteriosus is not treated with surgery?

Patients with patent ductus arteriosus are characterized by a congenital connection between the pulmonary artery and the aortic arch. This is a remnant passageway that was used during embryonic development to supply blood within the umbilical vessels, ensuring the development of the infant. Normally, this ductus arteriosus may close on its own within a few months. If it does not close after one year from birth, it is considered a patent ductus arteriosus. This condition can lead to increased workload on the heart. Because it allows blood pumped into the aorta to return to the right ventricle, over time, this can increase the burden on the left ventricle as well as the right ventricle. This may lead to heart failure and, in severe cases, trigger Eisenmenger's syndrome. If this condition reaches such a state, the patient loses the opportunity for surgery, resulting in a shortened lifespan.

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Written by Xie Zhi Hong
Cardiology
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Can you get pregnant with patent ductus arteriosus?

Firstly, patent ductus arteriosus (PDA) is not a hereditary disease, so both males and females with PDA can reproduce. However, if the individual is female, it is advisable to treat PDA before pregnancy, as pregnancy can increase the load on the heart. Patients with PDA often have poorer cardiac function. If they are asymptomatic, their compensatory abilities may be reduced. Therefore, for safety, it is recommended that patients with PDA consider conception after minimally invasive interventional treatment or surgical treatment, which is safer. The majority of PDAs can be treated with minimally invasive procedures, so the trauma is relatively minor, and there is no need for excessive worry.

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Written by Xie Zhi Hong
Cardiology
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Why does patent ductus arteriosus cause differential cyanosis?

The arterial duct refers to a blood vessel connecting the main pulmonary artery and the aorta, which is normally present during fetal development. It allows blood from the mother's placenta to seep into the pulmonary artery and then enter the aorta to supply the entire body's vasculature. After the birth of an infant, this blood vessel naturally closes, typically within 3 months, and most people will have it closed by 1 year. If it has not closed after 1 year, it is referred to as patent ductus arteriosus. Because the arterial duct can connect the aorta and the main pulmonary artery, blood from the systemic circulation in the aorta may directly return to the pulmonary artery at this time. If the pulmonary artery blood flow significantly increases, it can lead to pulmonary arterial hypertension and might also cause right ventricular hypertrophy. Increased cardiac workload can lead to right-sided heart failure and may also cause left-sided heart failure. When severe left-sided heart failure occurs, a right-to-left shunt can develop, which allows pulmonary artery blood to directly enter the aorta, causing venous blood to be delivered directly into the systemic circulation. At this point, differential cyanosis occurs, characterized by bluish discoloration of the upper limbs and mild blueness in the lower limbs.

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Written by Xie Zhi Hong
Cardiology
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Can a patent ductus arteriosus be treated with minimally invasive surgery?

Patent ductus arteriosus refers to the condition in infants where the ductal connection between the pulmonary artery and the aortic arch from the embryonic period remains open after the first year of birth. Generally, this duct is tubular or funnel-shaped and most cases can be treated minimally invasively. Surgical treatment is considered only if there are severe adhesions involving the aorta or pulmonary artery, or there are developmental issues. Therefore, patent ductus arteriosus can be treated with minimally invasive surgery, and most cases are amenable to such treatment.

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Written by Di Zhi Yong
Cardiology
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Can you swim with patent ductus arteriosus?

If the patient has a history of patent ductus arteriosus, it is recommended that they avoid vigorous exercise, as this can increase the heart's oxygen consumption, leading to symptoms such as palpitations, chest tightness, and difficulty breathing. If it is solely this condition, sometimes palpitations may occur, leading to changes in cardiac function. It is advised not to swim. While appropriate exercise can be beneficial, swimming requires better cardiopulmonary function. It is recommended that patients undergo early surgical treatment to improve their current condition.