Acquired tricuspid regurgitation

Tricuspid regurgitation may be of either relative or organic nature. In contrast, the valve itself is not diseased, but the right ventricle is hypertrophic, and the atrioventricular annulus is correspondingly expanded, causing poor tricuspid valve leaflet coaptation and incomplete closure. Severe rheumatic heart disease patients with mitral stenosis or insufficiency are often accompanied by relative tricuspid regurgitation. Organic tricuspid valve insufficiency is a sequela of rheumatic fever, which is rare in clinical practice, and most of them are accompanied by mitral and aortic valve lesions. The pathological changes were thickening of the valve fibers, contraction, shortening of chordae, enlargement of the annulus, and inability of the valves to fully align when the heart contracted. Often the fusion of valve junctions is associated with stenosis.