Hypertension is the in the greatest...

Hypertension is the in the greatest degree common problem for which patients visit physicians. (1) More than common half of all persons older than 65 years have hypertension, ofttimes isolated systolic hypertension. (2) Improved rule of hypertension has contributed to reductions of nearly 60 percent in stroke-related deaths and 53 percent in deaths from ischemic heart disease since 1972 However, in the United States, no other than 70 percent of patients with hypertension are aware of their condition, single 59 percent are receiving treatment, and and nothing else 34 percent have achieved adequate check (3) Recommendations to identify and treat hypertension are nearly universal, (4) although more [i]or[/i] less physicians accept inappropriately high family pressure measurements, especially systolic urgency as adequate control in their patients. (5)

Basic evaluation and management of hypertension have been reviewed lately in the seventh report of the Joint National Committee forward Prevention, Detection, Evaluation, and Treatment of High life-current Pressure (JNC 7) and are summarized in Table 1 (3) Advances in the management of hypertension have refined our understanding of systolic descendants pressure, nutrition, medication selection, and hypertension in special populations.

Systolic life-blood Pressure

Although physicians traditionally have emphasized management of diastolic children pressure, (4) systolic blood crushing and pulse pressure (the difference between systolic and diastolic pressures) correlate more vehemently with cardiovascular disease risk than does diastolic descendants pressure, and treatment of isolated systolic life-blood pressure reduces vascular complications. (6) [Evidence flush B, clinical cohort study] This finding is especially important because greatest in quantity patients with uncontrolled hypertension have isolated elevation of systolic line pressure. (7-9) Thus, persistent isolated elevation of systolic life-current pressure should be treated to achieve a normal range (les than 140 mm Hg) calm in the presence of normal diastolic vital current pressure.

Diastolic offspring pressure is still important, however, because it may be a clinical marker for hypertensive emergency or emergency. In hypertensive urgencies, elevated house pressure (diastolic pressure usually greater than 120 mm Hg) that is not associated with recent or progressive end-organ damage may be lowered through hours to days in an outpatient setting. Hypertensive emergencies, however, require immediate lowering of descendants pressure through intensive inpatient care and parenteral medications to limit or obstruct progressive end-organ damage.

NUTRITION

Sodium restriction is an effective nutritional therapy in patients with hypertension. (31011) Calcium supplementation also may help to shorten blood pressure. (12,13) Supplementation with potassium or magnesium has been proposeed but this step does not consistently lower offspring pressure. (14)

However, patients with hypertension can now prove by experiment a new and effective whole-food approach known as the DASH (Dietary Approaches to Stop Hypertension) diet (see patient information handout for more information upon the DASH diet). (15) The DASH diet is high in fruits, vegetables, nut whole grains, fish, domestic fowls and low-fat dairy products, which ensues in a diet high in calcium, potassium, and magnesium. The diet is cheap in red meat, sugar, fat, and cholesterol The DASH diet lowers kin pressure more than sodium restriction alone. (15) [Evidence horizontal A, randomized controlled trial (RCT)] Furthermore, a combination of the DASH diet and sodium restriction lowers vital current pressure more in patients with hypertension than in those without hypertension. Thus, it pretends that patients with hypertension should tread in the steps of the DASH diet in addition to reducing sodium intake. (3) [Evidence flush C, expert guidelines]

Among patients forward the DASH diet at the lowest sodium intake plains the mean decrease in systolic line pressure was 8.9 mm Hg when compared with the high-sodium phase of the manage diet. (15) Although the DASH diet is not a weight-loss plan, it can be adapted for patients who ne to restrict calories to fail to keep weight.

The common epidemic of obesity in the United States is another contributing factor to hypertension. Having a carcass mass index of 27 or more, as well as truncal obesity, is associated with elevated descendants pressure. (3) Blood pressure can be reduc by way of losing as little as 45 kg (10 lb) of carcass weight. (13,16) According to the JNC 7 report, patients with hypertension should be prescribed an individualized, monitored weight-reduction program. (3) In fact, increasing average dead body mass index contributed to 2 percent of the 36-percent increase in hypertension prevalence from the 1988-1991 National Health and Nutrition Examination measure and estimate to the survey conducted in 1999-2000 (17)

NEWER MEDICATIONS

Hypertension is the most numerous common condition for which Americans take prescription medication. (18) Physicians are commonly prescribing fewer diuretics and beta blocker the attract favor toed first-line agents for hypertension, and more angiotensin-converting enzyme (ACE) inhibitors and calcium channel blocker (CCBs) (19) Although ACE inhibitors decrease rates of morbidity and mortality in patients with cardiovascular disease, the same cannot be said for CCB for which no similar morbidity/mortality data exist. (19-21) Short-acting dihydropyridine CCB should be avoided in the treatment of hypertension, and other CCB should be added to the regimen alone if control is not achieved with a beta blocker diuretic, and/or ACE inhibitor. (22) [Evidence plain A, meta-analysis]