[Arterial pressure studies of the workers and employees of a textile plant]

The results of a study of the arterial pressure of the workers and employees in a textile plant in Vratsa are presented and discussed. The frequency of hypertension is 16.32%, symptomatic hypertension--3.22%, borderline hypertension--27.07%, hypotension--5.36%. Statistically significantly hypertension is more frequent in persons with a hereditary predisposition for arterial hypertension, are over 40 years of age and with overweight. The borderline hypertension becomes frequent after 50 years of age. Hypertension was not found statistically significantly more often in persons who work or had worked in conditions of professional noise above 85-105 decibels, are with higher education, psychic trauma, using more salt and smokers. Hereditary predisposition and overweight were equally frequent in the patients with renal hypertension and hypertension disease. The results support the conception that hypertension is a polygenic hereditary disease in the basis of which lies renal mechanism.