I found an interesting article about flying and different heart issues,"Most patients with CVD can fly safely, says British Society". Most of it doesn't concern valve patients but a few things may (like how long should you wait after pnuemothorax)
It is at Heartwire.org and you may have to join to read it, but it is free to register (they have alot of good article and videos) here's the link, http://www.theheart.org/article/1102053.do
It is at Heartwire.org and you may have to join to read it, but it is free to register (they have alot of good article and videos) here's the link, http://www.theheart.org/article/1102053.do