Acupuncture (now) lowers blood pressure

June 7, 2007

" The main finding is that for the first time in a reasonably sized but

still relatively small randomized study, this establishes beyond a

reasonable doubt that acupuncture lowers blood pressure, "

http://www.theheart.org/article/795577.do

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June 8, 2007

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Blood-pressure changes with acupuncture comparable to ACE-inhibitor

monotherapy

June 7, 2007 Shelley Wood

Erlangen, Germany - A study billed as the first rigorous, randomized

trial in the West to test acupuncture against a sham needle

technique to treat hypertension suggests that, performed properly,

acupuncture may produce blood-pressure changes on a par with

monotherapy in mild to moderate hypertension [1].

" It's certainly not like a wonder drug; it's not a massive effect,

but it's a clear effect, " lead investigator Dr Frank A Flachskampf

(Universitätsklinikum Erlangen, Germany) told heartwire.

Smaller randomized trials have been performed in China, with mixed

results, while one randomized study in the West found no difference

in blood-pressure lowering between traditional Chinese acupuncture,

standardized acupuncture, and a sham procedure, the authors note.

This earlier study did not use ambulatory blood-pressure

measurements, believed to be superior to office-based measurements.

Results of their study are published online June 4, 2007 in

Circulation.

Needlework

For the study, 160 outpatients with uncomplicated, mild to moderate

hypertension were randomized to six weeks of acupuncture performed

by Chinese medicine practitioners, trained in China, or to a sham

procedure. In both arms, patients underwent 22 sessions, each 30

minutes in length. By the end of the six weeks, 24-hour ambulatory

systolic and diastolic blood pressures were significantly reduced

from baseline in the acupuncture-treated patients (5.4 mm Hg and 3.0

mm Hg, respectively), and this change was also significantly

different from values in the sham-treated patients, in whom no

meaningful changes were seen.

After three and six months, however, the blood-pressure reductions

disappeared, leading investigators to conclude that ongoing

acupuncture treatments would be required to maintain the blood-

pressure reductions.

" The main finding is that for the first time in a reasonably sized

but still relatively small randomized study, this establishes beyond

a reasonable doubt that acupuncture lowers blood pressure, "

Flachskampf commented. " It's a modest but undeniable effect on both

systolic and diastolic blood pressure. "

The extent of the blood-pressure reductions are comparable to those

seen with ACE-inhibitor monotherapy or aggressive lifestyle changes,

including radical salt restrictions, he added.

A " demanding " alternative to drugs

Flachskampf had some caveats, acknowledging that the regular

acupuncture sessions used in the study represent a significant time

investment: each acupuncture session lasted 30 minutes—not including

transportation and administrative time—and took place several times

a week. The study subjects were also reasonably healthy, with no

other major risk factors and with only mild to moderate hypertension.

" This is clearly something that would probably not work as well with

very sick people or people with blood pressure at dangerous levels, "

he said. " We cannot easily extrapolate to people, for example, with

complicated hypertension who have had a myocardial infarction. "

Flachskampf believes, however, that acupuncture likely represents an

attractive option in specific patients, particularly those averse to

taking medical therapy who are open to so-called " alternative "

medicine.

" This is probably only for people who somehow relate to this

spiritually, who say I am profoundly against taking drugs and I'm

very fond of Oriental wisdom or things like that, " Flachskampf told

heartwire. " I don't want to make a joke about this, but this

certainly needs more compliance than taking two or three pills a

day. It's much more demanding. "

Unlike drugs, acupuncture appeared to have few or no side effects,

although two people complained that the needles were

painful. " Clearly, many millions of Chinese get acupuncture without

any major problems so I think this is really a minor point, "

Flachskampf observed.

Source

Flachskampf FA, Gallasch J, Gefeller O, et al. Randomized trial of

acupuncture to lower blood pressure. Circulation 2007; DOI:

10.1161/CIRCULATIONAHA.106.661140. Available at:

http://www.circulationaha.org.

http://www.theheart.org/article/795577.do

Thanks,

Elie

Directory

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http://www.tcmdirectory.com

June 8, 2007

5.4 mm Hg and 3.0

mm Hg, respectively),

>>>>>>>

That is a very small reduction

-

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Chinese Medicine

Friday, June 08, 2007 7:25 AM

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