Assertion: pericardial valve | /r/ObjectUse | used in patient
Facets:
value: during the 1970s
type: TEMPORAL
value: under the age of 65 years
type: OTHER
value: during 80s
type: TEMPORAL
value: at this moment in time,(2011
type: TEMPORAL
value: almost exclusively
type: DEGREE
Source sentences:
text: At this moment in time,(2011), tissue valves are almost exclusively used in patients older than 65 years because in old age the process of calcification is considerably slowed down and also because the life of the valves may outlast the life of those patients who reach a 'respectable' age.
text: During the 1970s and 80s, Shiley pericardial valves had been used in patients of all ages, and particularly in patients under the age of 65 years.