Abstract
Pulmonary valvular stenosis is one of the most common congenital heart defects. In this defect, the pulmonary valve opening from the right ventricle is restricted. It may interfere with the growth and development of the lung and cause pressure overload on the right heart. This may predispose the patient to cardiac failure, limited exercise tolerance, and arrhythmias.
Pulmonary valvular stenosis can be divided into mild, moderate, and severe according to the right ventricle systolic pressure (RVSP) and the gradient between the pulmonary artery systolic pressure and the right ventricle systolic pressure: mild, RVSP < 50 mmHg and the pressure gradient ≤ 35–40 mmHg; moderate, RVSP ≤ 100 mmHg and the pressure gradient ≤ 80 mmHg; and severe, RVSP > 100 mmHg and the pressure gradient ≤ 80 mmHg.
Surgical valvotomy is the traditional method of treatment of pulmonary valvular stenosis. Since it was introduced in 1982 by Kan, percutaneous balloon pulmonary valvuloplasty has been the first treatment of choice for pulmonary valvular stenosis in patients.
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References
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Acknowledgment
We wish to thank Ms. Lin-Lin Jiang for collecting data. Also we would like to thank the technical, echocardiography, and nursing staff in the Department of Cardiology at Shanghai Children’s Medical Center for their hard work.
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© 2015 Springer-Verlag Italia
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Liu, T., Gao, W. (2015). Pulmonary Valve Stenosis. In: Butera, G., Chessa, M., Eicken, A., Thomson, J. (eds) Cardiac Catheterization for Congenital Heart Disease. Springer, Milano. https://doi.org/10.1007/978-88-470-5681-7_18
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DOI: https://doi.org/10.1007/978-88-470-5681-7_18
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