Longer survival time is also the main yardstick by which the Food and Drug Administration decides whether to approve a drug, Dr. Rush comments. This approach has permeated veterinary cardiology as well, he says. Survival time for dogs has been kind of like the Holy Grail, where a new drug, compared to an older one or a placebo, tends to be lauded - and receive government approval - if it results in a longer life span.
Letters to Tufts Veterinarians - Is it time for euthanasia?; Comparing flea and tick prevention products