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New Blood Pressure Guidelines: Can “Alternative Approaches” Work?
April 29, 2013
Each year, the American Diabetes Associations issues its “Standards of Medical Care in Diabetes.” Basically, these are medical guidelines that most health-care practitioners use to help better care for (and guide) their patients with diabetes. In every new edition there are at least a few changes, which is a good thing. This year, one of the most notable changes is in regard to blood pressure: Previously, the blood pressure guideline for most people with diabetes was less than 130 over 80. This year, it’s been changed to less than 140 over 80 (written as 140/80).
You might be scratching your head wondering what the fuss is all about. After all, what’s the big difference between 130 and 140? Frankly, not a whole lot. However, you might breathe a little easier knowing that studies have shown that there’s little benefit in aiming to keep your systolic (the top number) blood pressure less than 130. But clinical trials have shown a benefit in keeping your systolic blood pressure less than 140. Trying to get it much lower doesn’t significantly reduce the risk of heart attack or death. And while a lower blood pressure may further reduce the risk of stroke, researchers believe the benefit is overshadowed by the need to take more medication and possibly experience more side effects.
Here’s the catch, though: Lower blood pressure goals MAY still be appropriate for younger people or for those who have a higher risk of stroke. So, it’s always important to talk with your health-care provider when targets like this change and find out what’s best for you. Also, don’t let the slightly higher target give you a false sense of security if you already have high blood pressure. High blood pressure is usually silent, but left untreated, it can be deadly. One in three American adults (31%) has high blood pressure, and a lot of them don’t realize that they have it. Now is a good time to make sure of a few things:
• That your blood pressure is checked at every medical visit
Last week, the American Heart Association published a statement in its journal Hypertension saying that “alternative approaches” can be helpful for people whose blood pressure levels are higher than 120/80 and for those who don’t tolerate or respond well to blood pressure medicine. An expert panel assessed three alternative remedy categories: exercise, behavioral therapies, and noninvasive procedures or devices (they didn’t address dietary and herbal treatments, unfortunately). Here’s the gist of the statement:
Exercise. Aerobic, resistance (weight training), and isometric exercises all help reduce blood pressure. Walking provides a modest benefit while isometric exercises, like handgrip exercises, can actually lead to 10% drop in both systolic and diastolic blood pressure.
Behavioral therapies. Biofeedback and transcendental meditation can modestly lower blood pressure. But data is lacking showing that other types of meditation give the same benefit. The same holds for yoga and other types of relaxation: while they offer other benefits, lowering blood pressure isn’t one of them.
Noninvasive procedures or devices. Acupuncture wasn’t found to be all that effective in lowering blood pressure. But device-guided slow breathing is effective when done three to four times a week in 15-minute sessions .
The panel stated that most of these approaches reduce systolic blood pressure by 2 to 10 points; most blood pressure medicines lower blood pressure by 10 to 15 points, so it’s understandable why most providers favor medicines. However, these alternative treatments can be added to medicines for an even greater benefit.
DASH diet. Remember this? Dietary Approaches to Stop Hypertension. This “diet,” which is really a way of eating, focuses on a lot of vegetables, fruits, whole grains, and low-fat dairy products, along with slashing sodium. A DASH plan can lower blood pressure by 8 to 14 points, which is pretty much the same as most blood pressure meds.
Weight loss. For every 20 pounds you lose (assuming you need to lose those 20 pounds), you can lower your systolic blood pressure by up to 20 points. Losing weight isn’t always easy, but there are a lot of good reasons to try (namely, in this case, your blood pressure).
Alcohol…in moderation. Drinking alcohol may lower blood pressure by 2 to 4 points. But go above the “moderation” mark and it can actually raise blood pressure. Moderation means no more than two drinks per day for men, and no more than one drink per day for women.
Hibiscus tea. Like tea? Try hibiscus tea. Three cups per day, to be exact. Doing so may drop your systolic blood pressure by 7 points.
Beetroot juice. A small study found that people who drank one cup of beetroot juice every day lowered their systolic blood pressure by 10 points. The hope is that other vegetables that contain nitrates, such as leafy greens, can do the same, so stay tuned (meanwhile, eat a lot of vegetables!).
As always, if your provider has prescribed medicine for blood pressure control, don’t stop taking it. But think about the above approaches and which ones you might try. Also, if you have high blood pressure, get a home blood pressure monitor and check it often. Keep a record of your results and show them to your provider at your regular visits.
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