Increased Nighttime Blood Pressure
Blood Pressure at Nighttime
Having a relatively high blood pressure level at night may increase the risk for congestive heart failure, according to a study in the June 28 issue of JAMA.
Congestive heart failure (CHF) is one of the most common, costly, disabling, and deadly diseases. Once diagnosed as having CHF, patients have a 1 in 3 chance of dying within 1 year and a 2 in 3 chance of dying within 5 years, according to background information in the article. The death rate associated with CHF exceeds that of most cancers, although recent reports suggest an improving prognosis. The predominant causes of CHF are hypertension and coronary heart disease, and high blood pressure (BP) is suggested to be the most important risk factor for CHF. Previous studies have established that 24-hour