[Secondary prevention of cardiovascular diseases in the elderly].

Secondary prevention in cardiovascular diseases has its meaning also in elderly people. It is specific in some factors. The currently known facts gradually include measures which are not associated with old age of individuals.

[Elevated levels of plasma von Willebrand factor: a new risk factor for atherosclerosis?].

The authors assessed the plasma level of von Willebrand's factor in a total of 104 patients aged 32-60 years. Of these 10 patients are free from confirmed ischaemic heart disease with no history of acute myocardial infarction and 94 patients after acute myocardial infarction. Samplings for von Willebrand's factor in patients after acute myocardial infarction were made at least two months after the infarction.

[Infectious endocarditis--new aspects of a well-known disease].

The authors discuss the incidence, etiology and pathogenesis of infectious endocarditis. They mention the incidence and therapeutic results in patients with infectious endocarditis hospitalized at the First Medical Clinic in Martin in 1988-1993. In the conclusion they present general principles of the treatment of infectious endocarditis.

[Large blood platelets--risk factors in myocardial infarction].

Thrombocytes participate in the pathogenesis of myocardial infarction. Larger platelets are more active than small ones. In patients after an acute coronary a larger number of platelets was found, a medium volume of půatelets and a similar thrombocytocrite as compared with the healthy population of comparable structure and age.