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(Circulation. 1957;15:827.)
© 1957 American Heart Association, Inc.

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Aging of Arteries in Relation to Hypertension

JAMES CONWAY M.D., PH.D.¹ K. SHIRLEY SMITH M.D., F.R.C.P.¹

¹ From Charing Cross Hospital, London, England.

With a new clinical test for the assessment of the elastic quality of the arterial reservoir, evidence has been obtained suggesting that essential hypertension can be separated into 2 distinct clinical types. In one group the elevation of pressure appears to be the consequence of physiologic aging of arteries and in the other hypertension is imposed upon a normal elastic arterial system. Patients in the elastic group were younger and had a more severe type of hypertension than those in the inelastic group.