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Prehypertension is defined as slightly raise in blood pressure. Prehypertension will mostly turn into high blood pressure (hypertension) unless you make lifestyle changes, such as getting more exercise and eating healthier foods. Both prehypertension and high blood pressure increase your risk of heart attack, stroke and heart failure. Prehypertension is a systolic pressure from 120 to 139 millimetres of mercury (mm Hg) or a diastolic pressure from 80 to 89 mm Hg.
This Prehypertension does not cause symptoms. In fact, severe high blood pressure may not cause symptoms. The only way to detect prehypertension is to keep track of your blood pressure readings. Have your blood pressure checked at each doctor's visit - or check it yourself at home with a home blood pressure monitoring device. Ask your doctor for a blood pressure reading at least once every two years starting at age 18. You may need more-frequent readings if you have prehypertension or other risk factors for cardiovascular disease.
Treatment: Any factor that increases pressure against the artery walls can lead to prehypertension. Atherosclerosis, which is the build-up of fatty deposits in your arteries, can lead to high blood pressure. Sometimes an underlying condition causes blood pressure to rise. Certain medications - including birth control pills, cold remedies, decongestants, over-the-counter pain relievers and some prescription drugs - also may cause blood pressure to temporarily rise. Illegal drugs, such as cocaine and amphetamines, can have the same effect.
Statistics: In Norway, the survey on Prehypertension got the result as mean systolic BP and body mass index (BMI) were 136.8 +/- 23.3 (SD) mm Hg and 25.2 +/- 3.9 kg/m(2), whereas 12.9% had treated hypertension at baseline, respectively. During a median follow-up of 21 years (1,345,882 person-years), 507 men (1.4%) and 319 women (0.8%) initiated renal replacement therapy (n = 157) or died of CKD (n = 669). Multiadjusted risk of these kidney outcomes increased continuously with no lower threshold for BP. The risk associated with body weight started to increase from a BMI of 25.0 kg/m(2). In participants with BP less than 120/80 mm Hg, risk did not increase with increasing BMI.