The term “prehypertension” is used to define people with systolic blood pressure (BP) between 120 and 139 mm Hg and/or diastolic pressures between 80 and 89 mm Hg.The category includes as many people as the number who have hypertension, defined as blood pressure of 140/90 or above. Such people are clearly at an increased risk of cardiovascular damage compared with people with BPs below 120/80mm Hg.
The major unresolved issue is the appropriate management of such patients. Two trials have attempted
to document the value of short-term drug therapy to prevent the progression of BP to overt hypertension, but
no outcome studies are currently available. [read more]