What causes mitral valve insufficiency?

The causes of mitral valve insufficiency include leaflet damage, annular enlargement, chordal tendineae rupture, etc.

1. Patients with leaflet damage

suffer from rheumatic fever, hypertrophic cardiomyopathy, infectious endocarditis and other diseases, which may lead to leaflet damage, resulting in mitral valve insufficiency.

2.

Degeneration and calcification of the mitral annulus in patients with annular enlargement may lead to annular enlargement, resulting in mitral valve insufficiency.

3. Patients with chordal tendineae rupture

may also be caused by congenital cardiac abnormalities or cardiovascular diseases, resulting in chordal tendineae rupture, resulting in mitral valve insufficiency.