Assertion: endocarditis's valve | /r/HasProperty | replaced
Facets:
value: often
type: TEMPORAL
Source sentences:
text: The valve can also be replaced using a new valve made from either animal tissue or artificial materials.
text: Both aortic and mitral valve were replaced.
text: Often, the valve must be replaced to achieve a cure.
text: If PVE does not respond to antimicrobial therapy and blood cultures results remain positive or if a relapse of bacteremia occurs after infection, the prosthetic valve should be replaced.