Can a ventricular septal defect be detected with a regular ultrasound?

Written by Di Zhi Yong

Cardiology

Updated on September 24, 2024

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Ventricular septal defect is a type of congenital heart disease, and surgical treatment is recommended for patients. Currently, to diagnose this condition, it is advised that patients undergo a cardiac echocardiography rather than just a standard ultrasound, which does not show clear results. Color Doppler ultrasound is the best way to make an accurate diagnosis and therefore determine the appropriate treatment plan. It is possible to see the size and location of the ventricular septal defect, which can significantly aid the treatment planning. Standard ultrasound may not provide a clear view and can sometimes lead to discrepancies, making treatment challenging. During this period, regular follow-up with cardiac echocardiography is still necessary, and early surgery is recommended for patients.

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Written by Xie Zhi Hong

Cardiology

1min 14sec

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Will being overweight affect the surgery for a ventricular septal defect?

Ventricular septal defect surgery is performed by puncturing the right femoral vein, guiding the catheter into the inferior vena cava, through the atria and ventricles, and reaching the defect via the right ventricle. The occluder can then be delivered through the catheter into the left ventricle, where the umbrella is opened, followed by opening it in the right ventricle; this describes the surgical process. Therefore, generally speaking, the surgical process is not affected in most patients who are obese. However, severe obesity can impact the accuracy of vascular localization during puncture by the surgeon. Secondly, if complications such as anesthesia issues or other emergencies arise during the surgery, severely obese patients may experience a reduced success rate in emergency surgical interventions, hence it is recommended that patients control their weight. Furthermore, severe obesity can exacerbate the cardiac load originally induced by the ventricular septal defect, thus affecting the surgical tolerance in patients whose cardiac function is already compromised by the defect. It is recommended that these patients control their weight.

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Written by Xie Zhi Hong

Cardiology

46sec

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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 Xie Zhi Hong

Cardiology

1min 6sec

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Does a ventricular septal defect require open chest surgery?

Ventricular septal defects (VSD) can generally be treated through interventional procedures. Normally, defects with a diameter smaller than 3mm do not require surgical treatment. If the diameter is greater than 3mm but less than 10mm, interventional treatment is often feasible. Another scenario involves the subarterial type of defect, which generally cannot be repaired via a catheter-based approach and requires open-chest surgery instead. Additionally, for very large defects, repair must be conducted through open-chest surgery. Thus, for VSD, there are two main treatment options. Specific decisions require echocardiography to analyze the size and location of the septal defect to determine whether open chest surgery is necessary. Generally, most cases can be resolved through minimally invasive interventional methods.

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Written by Xie Zhi Hong

Cardiology

1min

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Does interventricular septal defect occasionally cause chest pain?

Ventricular septal defect is a type of congenital heart disease, occurring when the ventricles of the heart develop poorly during the embryonic stage, leading to a defect in the ventricular septum. This often results in a left-to-right shunt which affects the efficiency of the heart's function. In severe cases, it can cause a right-to-left shunt. Generally, these conditions do not affect the coronary circulation or cause chest pain in patients. However, some patients may develop endocarditis at the ventricular septum, which sometimes leads to the formation of vegetations on the cardiac valves or blood clots on the abdominal wall. If thrombosis or vegetations occur, there is a possibility of these breaking off. If they enter the coronary arteries, they can cause chest pain. However, such events are extremely rare, with an occurrence rate of less than one in a thousand.

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Written by Di Zhi Yong

Cardiology

43sec

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If a ventricular septal defect is not surgically repaired, what will happen?

If the patient has a history of congenital heart disease, especially ventricular septal defect, it can lead to symptoms such as palpitations and chest tightness. The current recommendation for treatment is primarily symptomatic management; however, it is also advised that patients seek early surgical intervention at a hospital. Medical treatment or drug therapy often does not yield ideal results for this condition, and surgical intervention is necessary to address these symptoms. Currently, minimally invasive surgical treatment can be used. If the patient does not undergo surgery, conditions such as palpitations, chest tightness, and difficulty breathing can occur at any time.