Artrial hypertension is a very serious social-medical probleme as such has an epidemic characteristics according to high prevalence at incidence frequency disease of young, a high death rate, there is also a somewhat difficult erly diagnosis at the early stages of illnes due to unspecified clinical examination in majority of diseased. On the basis of etiology, arterial hypertension is divived into: primary (essential) and secondary (symptomatologic). According to the current criteria, primary arterial hypertension is considered to be all the cases where etiology cannot identify only the cause or a specific structural change in a organ. It instead causes a larger number of etiological factors by their group actions which are called risk factors.Including the secondary hypertension all cases at arterial hypertension are classified und there can be seen a specific structural change in an organ and disorder of it's function. The aim of our work was to determinate which were the familiar risk factors in development of arterial hypertension and it's domination to inhabitants of Zubin Potok considering high prevalence of arterial hypertension out of 6500 inhabitants in the infirmary of Zubin Potok, 2450 patients are registrated with arterial hypertension. Examination is performed to 100 patients with primary arterial hypertension by prospectus analysis which are registrated consecutively in the interval of two months by biochemicals parametars, a height of systolic and dyastolic arterial pressure and BMI. By means of questionnaire the rest of risk factors are gathered with a piece of data smoking, alchoholism and stress. During the examination we determined that the most typics risk factor is disorder of metabolism of lypoproteins, and important pathothysiological mechanism in development of arterial hypertension is reduction of HDLcholesterol, which can be one of indirect indentifier of oxidative stress.

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