بررسی عوامل خطر و رابطه گروههای خونی با انفارکتوس قلبی

         To  determine  relationship between  blood    groups  and  myocardial     infarction  we  studied  204  patients   who  admitted   in c.c.u  in  Ekbatan     hospital    in  Hamadan .  The  patients   affected   by   acute   myocardial     Infarction and they have elevated C.P.K and L.D.H enzymes and changes     in  E.C.G   compatible    with   Q   wave  and  non   Q   wave   myocardial     infarction . We   classified   the   patients  according  to age ,   sex ,  blood     groups and different risk factors.           In  this  study  with the aspect of frequency of blood groups in Iran and     Hamadan the majority  of  blood  groups  were  group  A and the minority     were group B. The most common risk factors among our patients was type     A of personality which is similar to that mentioned  in  literature , and other     risk factors were respectively as  below : cigarette  smoker ,  hypertension ,     hyperlipidemia , diabetes  mellitus   and   family   history . The  age  of  the     patients  with positive family history were less than 50 years.