Can you get pregnant with patent ductus arteriosus?

Written by Xie Zhi Hong
Cardiology
Updated on September 16, 2024
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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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Can you have children if you have a patent ductus arteriosus?

The ductus arteriosus refers to a channel in the fetus that, before birth, allows blood from the maternal placenta to enter the fetus's aorta through the ductus arteriosus and then circulates the blood throughout the body. This channel closes after birth, and in the vast majority of people, it closes within a year. If it remains open until reproductive age, surgery is required because an open ductus arteriosus can lead to deteriorating heart function and, in severe cases, can cause heart failure. Therefore, women with an open ductus arteriosus can have children after treatment. An open ductus arteriosus is not a hereditary disease, and regardless of whether it is present in males or females, it is not genetic and they can have children.

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Written by Di Zhi Yong
Cardiology
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Which is more serious, patent ductus arteriosus or ventricular septal defect?

Both of these diseases are types of congenital heart disease, and if there are issues with either of them, the situation can be quite severe. There isn't a distinction between which disease is severe and which is not. If the arterial duct remains open or does not close, surgery is still required for this condition. Patients with ventricular septal defect primarily display changes related to ischemia and hypoxia, and they may also experience recurrent respiratory infections, which are quite serious. Surgery is generally the best treatment. Early surgical intervention can achieve a complete cure, but it is also advisable for the patient to have regular echocardiographic check-ups at the hospital.

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Written by Tang Li
Cardiology
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How to treat patent ductus arteriosus?

The arterial duct connects the main pulmonary artery to the descending aorta, serving as the primary channel for blood circulation during the fetal period. After birth, it generally becomes obstructed within a few months due to disuse; if it remains open after one year, it is referred to as patent ductus arteriosus (PDA). The length and diameter of an unclosed arterial duct vary, affecting hemodynamics differently, and consequently, prognoses differ. An unclosed arterial duct can easily induce infectious endocarditis; thus, even if the shunt is small, it is advisable to seek early interventional or surgical treatment. The surgery has a high safety success rate and can be performed at any age. However, surgery is contraindicated for patients who have developed secondary pulmonary artery obstruction and exhibit right-to-left shunting.

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Written by Xie Zhi Hong
Cardiology
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Is patent ductus arteriosus related to pregnancy?

The ductus arteriosus is a vital conduit in the fetus during intrauterine life, connecting the blood from the placenta to the pulmonary artery and the aorta, enabling the placental blood to reach the aorta and supply blood to the entire body of the fetus. Usually, if the fetus is viable, there should be no issues, so the non-closure of the ductus arteriosus is not related to the pregnancy period. After the birth of the fetus, as the lungs expand and heart function changes, the ductus arteriosus will automatically begin to close. In the vast majority of infants, the ductus arteriosus will likely close after three months of birth. If it has not completely closed within one year, it is considered that the child has patent ductus arteriosus. Therefore, in most cases, patent ductus arteriosus is not related to the pregnancy period. There might be a small fraction of cases where it could be due to poor development during the pregnancy, preventing the timely closure of the ductus arteriosus; however, in most cases, it is unrelated to the pregnancy period.

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Written by Tang Li
Cardiology
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What are the symptoms of patent ductus arteriosus?

Patients with patent ductus arteriosus may exhibit several clinical manifestations based on the amount of shunting. 1. Small shunt volume: The internal diameter of the patent ductus arteriosus is small, and the patient may exhibit no subjective symptoms. The prominent sign is a continuous machinery murmur heard at the left sternal border at the second intercostal space and below the left clavicle, accompanied by a thrill; pulse pressure may slightly increase. 2. Moderate shunt: Patients commonly experience fatigue, palpitations, shortness of breath, and chest discomfort after exertion. The heart murmur is similar in character to the above but louder, accompanied by a thrill, and widely transmitted. At times, diastolic and mild systolic murmurs caused by left ventricular enlargement, relative mitral valve insufficiency, and stenosis can be heard at the apex, with a positive vascular sign. 3. Large shunt volume: This condition in a patent ductus arteriosus often accompanies secondary severe pulmonary hypertension, leading to a right-to-left shunt. The typical murmur's diastolic component may diminish or disappear, followed by the disappearance of the systolic murmur, and only a diastolic murmur due to pulmonic valve insufficiency can be heard. Patients often exhibit cyanosis and severe clinical symptoms.