Article Text
Statistics from Altmetric.com
Valvar heart disease is a paradigm of the changing aetiology of human disease. In particular, we have witnessed dramatic changes in the incidence of rheumatic heart disease (fig 1); such changes have been limited mostly to industrialised countries, highlighting the role of factors other than microorganisms in this disease. Interestingly, the frequency of valvar heart disease is still high in industrialised countries, as new types of valve disease become increasingly prevalent (fig 2). The most important of them is degenerative valve disease, which relates directly to the increased lifespan of people living in industrialised countries compared to those in developing countries. On the other hand, aetiologies related to the relative wealth of industrialised countries have also appeared, the most dramatic example being valve disease related to appetite suppressant drugs.
Rheumatic valve disease
Although rheumatic fever was thought to be nearly eradicated from developed countries, it continues to be a challenge because of its …