Just came across this, there appears to have a long life for many avrers!
http://www.heart-valve-surgery.com/heart-surgery-blog/2009/11/11/oldest-living-survivor-guinness-book-valve-replacement/
Just came across this, there appears to have a long life for many avrers!
http://www.heart-valve-surgery.com/heart-surgery-blog/2009/11/11/oldest-living-survivor-guinness-book-valve-replacement/