Ventricular septal defect

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Written by Xie Zhi Hong
Cardiology
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What should I do about hypoxia due to a ventricular septal defect?

Mild ventricular septal defects generally do not cause hypoxia. If symptoms of hypoxia recur due to a ventricular septal defect, it is recommended to undergo minimally invasive interventional treatment or surgical treatment at a hospital to prevent further episodes. The success rate of this surgery is very high, almost 100%, with relatively few complications. If hypoxia occurs in untreated ventricular septal defects, initial therapy should include oxygen administration, followed by diuretic, cardiotonic, and other treatments to reduce cardiac load at a hospital, and surgery should be considered as soon as suitable.

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Written by Di Zhi Yong
Cardiology
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Does a ventricular septal defect easily cause hiccups in infants?

The relationship between the two is not very significant. A ventricular septal defect is a type of congenital disease, and currently, surgical treatment is recommended for patients, as medical treatment is not very effective and prone to relapse. For this type of congenital heart disease, it is best to first perform a cardiac echocardiography to make a clear diagnosis. In terms of treatment, early surgical intervention is suggested for patients to thoroughly improve symptoms such as palpitations, chest tightness, and difficulty in breathing. If an infant often experiences hiccupping, it could be a sign that the infant's stomach is not very mature, leading to excessive stomach acid, but this is not significantly related to the ventricular septal defect.

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Written by Chen Tian Hua
Cardiology
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Ventricular septal defect is what?

Ventricular septal defect is a common congenital heart disease, mainly due to the abnormal defect in the ventricular septum during the fetal development, resulting in an abnormal channel between the left and right ventricles. Ventricular septal defect can cause blood to shunt from the left ventricle to the right ventricle, gradually increasing the blood flow in the pulmonary circulation, leading to an increase in the volume load of the left and right ventricles, while causing a decrease in the systemic circulation volume. In the later stages, due to the significant increase in right ventricular pressure, it leads to right-to-left shunting, thereby causing Eisenmenger's syndrome. For ventricular septal defects with a large degree of defect, timely interventional treatment or surgical ventricular septal defect repair is required.

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Written by Di Zhi Yong
Cardiology
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Does a ventricular septal defect easily cause choking on milk?

Ventricular septal defect can lead to choking on milk, as it can cause pathological murmurs in children, especially prominent in the chest area, which is a type of congenital heart disease. Currently, early surgical treatment is recommended for these children. The choking on milk might be due to reasons related to the digestive system, but it is still somewhat related to the ventricular septal defect. It is also advised to eat smaller, more frequent meals to avoid choking or aspiration, which can lead to bronchitis or recurrent respiratory infections.

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Written by Xie Zhi Hong
Cardiology
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Is ventricular septal defect related to premature birth?

Generally, premature birth is not related to ventricular septal defect. Although a premature infant is born early, their heart structure, lungs, and other body structures are normal. Ventricular septal defect is often caused by a developmental disorder of the septum during the fetal period, manifesting as left-to-right or right-to-left shunting. Generally, patients with a simple ventricular septal defect can survive normally. They can be completely cured through interventional treatment or surgical surgery, so there is no need to worry excessively. There is no direct connection between ventricular septal defect and premature birth.

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Written by Xie Zhi Hong
Cardiology
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Is congenital heart disease with perimembranous ventricular septal defect serious?

Simple congenital heart defects, such as perimembranous defects, generally are not particularly severe. However, there are several scenarios to consider: The first scenario involves a large defect that typical occluders cannot address; in such cases, surgical intervention is required. This type of defect is generally considered severe. Another scenario is when a cardiac defect has been present for an extended period, leading to repeated shortness of breath, heart failure, cardiac enlargement, and even pulmonary arterial hypertension. This situation would be considered a severe ventricular septal defect, caused by the failure to treat the membranous part of the septal defect in time. Thus, the majority of ventricular septal defects are not very severe in the early stages. They become serious if the defect is too large or if there is coexistence with other defects, such as an overriding aorta or poorly developed pulmonary artery, among other complex congenital heart diseases. Regardless, patients with perimembranous congenital heart defects should undergo surgical treatment early to avoid missing the opportunity for surgery.

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Written by Fan Yan Fu
Cardiology
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Can someone with a ventricular septal defect travel by airplane?

Generally, individuals with ventricular septal defects (VSD) with no complications do not display symptoms and are able to travel by airplane. When such defects are at an early stage, where cardiac function has not been significantly impaired and there is left-to-right shunting without heart failure or pulmonary hypertension, flying is generally tolerated. After surgery for a ventricular septal defect, patients usually can fly. However, if the patient with a ventricular septal defect is older and in the advanced stages of the condition, exhibiting clear symptoms of heart failure such as difficulty breathing and chest tightness with significant exertional stress, such patients are unable to lie down and should not fly. Additionally, if there is right-to-left shunting or severe pulmonary hypertension has developed, it is unsafe for them to fly as they could potentially face emergencies during the flight.

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Written by Chen Tian Hua
Cardiology
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Can a ventricular septal defect heal by itself?

Some ventricular septal defects can heal on their own. For ventricular septal defects smaller than five millimeters, some patients can heal on their own; the defects that generally heal are those in the membranous and muscular parts of the septum, and the younger the age, the greater the likelihood of healing. If the ventricular septal defect still exists after the age of five, it generally cannot heal on its own. For ventricular septal defects that do not heal spontaneously, if they significantly affect hemodynamics, interventional treatment or surgical surgery is needed for repair. If the impact of the ventricular septal defect on hemodynamics is not significant, regular follow-up examinations can be conducted to understand the condition of the disease.

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Written by Xie Zhi Hong
Cardiology
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What would happen if the ventricular septal defect occluder dislodges?

An occluder generally works like two umbrella surfaces clamped over the orifice of the interventricular septal defect, achieving the method whereby tissue blood flow enters from the left side of the septum to the right side. Once an occluder dislodges, it can lead to a dangerous situation, as the occluder has a membrane that can easily get caught on the tendons of the mitral valve, causing severe mitral regurgitation; it can also get stuck at the mitral valve orifice, obstructing the outflow of blood; it may also lead to aortic valve insufficiency; if it gets caught in the major arteries, it can cause arterial embolism, leading to sudden death in the patient. Therefore, the dislodgement of an occluder is a very dangerous phenomenon.

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Written by Chen Tian Hua
Cardiology
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What are the complications of ventricular septal defect?

The complications of ventricular septal defect mainly include the following: 1. Causes infective endocarditis, with the highest incidence occurring between the ages of 15 and 29; 2. Leads to aortic valve insufficiency; 3. Causes conductive blockages; 4. Leads to heart failure, and can even lead to Eisenmenger syndrome. Therefore, patients with ventricular septal defects should actively complete examinations such as echocardiography. If there are indications for surgery, they should promptly visit a cardiac surgeon for active surgical treatment to correct the anatomical abnormalities of the ventricular septal defect and prevent the condition from worsening and leading to serious consequences.