The breaking of cables is bound to have a certain impact on the dynamic performance of a cable-stayed bridge,and further to affect the carrying capability of the bridge.

Objective To evaluate the effects,prospects and applications of mitral valvuloplasty with Gore-Tex suture as an artificial chordae tendineae in patients with partial rupture chordae tendineae of mitral leaflet diagnosed by transthoracic echocardiography(TTE).