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Blood pressure and blood lipids in members of families with a heavy aggregation of essential hypertension.

. Eighty-four persons between 17 and 48 years of age, who were siblings or children of hospitalized patients with essential hypertension, and whose families had additional cases of high BP and/or manifestations, have been investigated. BP, blood lipids and some other parameters were measured. As control group served 61 age-matched persons, randomly selected from a general health survey. None of these controls had hypertensive disease in their families. Significantly higher BP was found in patients over the age of 33 with a family history of hypertension than in the control group. No difference below that age could be found. No significant differences in blood lipid levels were found.