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1 de dic. de 2020 · Pulmonary stenosis is any obstruction within the RV outflow, at the pulmonary valve annulus or pulmonary valve leaflets, or within the main and branch pulmonary arteries. Pulmonary stenosis can be isolated in 7% to 12% of patients but is more commonly associated with other congenital cardiac defects, as it occurs in 25% to 30% of ...
- 2024/02/17
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•Overview
•Symptoms
•When to see a doctor
•Causes
•Risk factors
•Complications
Pulmonary valve stenosis symptoms depend on how much blood flow is blocked. Some people with mild pulmonary stenosis do not have symptoms. Those with more-severe pulmonary stenosis may first notice symptoms while exercising.
Pulmonary valve stenosis symptoms may include:
•A whooshing sound called a heart murmur that can be heard with a stethoscope.
•Fatigue.
•Shortness of breath, especially during activity.
•Chest pain.
Talk to your health care provider if you or your child has:
•Shortness of breath.
•Chest pain.
•Fainting.
Prompt diagnosis and treatment of pulmonary valve stenosis can help reduce the risk of complications.
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Pulmonary valve stenosis usually results from a heart problem present at birth. The exact cause is unclear. The pulmonary valve doesn't develop properly as the baby is growing in the womb.
The pulmonary valve is made of three thin pieces of tissue called flaps, also called cusps. The cusps open and close with each heartbeat. They make sure blood moves in the right direction.
Things that may increase the risk of pulmonary valve stenosis include:
•German measles, also called rubella. Having German measles during pregnancy increases the risk of pulmonary valve stenosis in the baby.
•Noonan syndrome. This condition is caused by altered DNA. It can lead to many problems with the heart's structure and function.
•Rheumatic fever. This complication of strep throat can cause permanent damage to the heart and heart valves. It increases the risk of developing pulmonary valve stenosis later in life.
Possible complications of pulmonary stenosis include:
•Infection of the lining of the heart, called infective endocarditis. People with heart valve problems, such as pulmonary stenosis, have an increased risk of developing bacterial infections that affect the inner lining of the heart.
•Irregular heartbeats, called arrhythmias. People with pulmonary stenosis are more likely to have irregular heartbeats. Unless the stenosis is severe, irregular heartbeats due to pulmonary stenosis usually aren't life-threatening.
•Thickening of the heart muscle. In severe pulmonary stenosis, the lower right heart chamber must pump harder to force blood into the pulmonary artery. The strain on the heart causes the muscular wall of the ventricle to thicken. The condition is called right ventricular hypertrophy.
•Heart failure. If the right ventricle can't pump properly, heart failure eventually develops. Symptoms of heart failure include fatigue, shortness of breath, and swelling of the legs and belly area.
•Pregnancy complications. The risks of complications during labor and delivery are higher for those with severe pulmonary valve stenosis than for those without it.
•Cardiac catheterization
•CT scan
•Echocardiogram
•Electrocardiogram (ECG or EKG)
•Heart valve surgery
•MRI
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20 de dic. de 2022 · La estenosis de la válvula pulmonar es el estrechamiento de la válvula que se encuentra entre la cavidad inferior derecha del corazón y las arterias pulmonares. En una válvula cardíaca estrecha, las hojuelas pueden engrosarse o volverse rígidas. Esto hace que se reduzca el flujo sanguíneo en la válvula.
30 de jun. de 2023 · Pulmonary stenosis (PS) is mainly a congenital defect that accounts for 7–12% of congenital heart diseases (CHD). It can be isolated or, more frequently, associated with other congenital defects (25–30%) involving anomalies of the pulmonary vascular tree.
- 10.2147/VHRM.S380240
- 2023
- Vasc Health Risk Manag. 2023; 19: 379-390.
20 de dic. de 2022 · Las pruebas para diagnosticar la estenosis de la válvula pulmonar incluyen lo siguiente: Electrocardiograma (o electrocardiografía). Esta prueba rápida e indolora registra las señales eléctricas del corazón. Se colocan parches adhesivos (electrodos) en el pecho y, a veces, en los brazos y las piernas.
22 de sept. de 2023 · Pulmonary stenosis (PS) obstructs the blood flow from the right ventricle (RV) into the pulmonary bed, resulting in a pressure gradient greater than 10 mmHg across the pulmonary valve during systole. In most cases PS is found at the level of the valve, but it can also occur below the level of the valve or distally in the pulmonary ...
20 de jun. de 2023 · Narrowing of the pulmonary valve (valvar pulmonary stenosis) causes the right ventricle to pump harder to get blood past the blockage. More information for parents of children with pulmonary valve stenosis. What causes it? In most children, the cause isn't known. It's a common type of heart defect.
