What is the pulmonary valve insufficiency

Pulmonary insufficiency may be caused by primary damage, secondary lesions, iatrogenic factors and other reasons.

1. Primary damage such

as pulmonary valve absence, deformity, perforated chest, excessive leaflets and other congenital valve abnormalities, easy to cause pulmonary insufficiency.

2. Secondary lesions are

often secondary to pulmonary hypertension pulmonary trunk root dilatation, the disease can lead to pulmonary valve annulus enlargement, resulting in pulmonary insufficiency.

3. Iatrogenic factors such

as congenital pulmonary stenosis, tetralogy of Fallot and other diseases in patients undergoing surgical treatment, may damage the pulmonary valve, causing pulmonary valve insufficiency.