One cause of High Blood Pressure


Some of the people that have high blood pressure continue to have high
blood pressure even if their cholesterol levels are normal. I realize that
there are several reasons for this fact. However, the report below
mentions one of those reasons. The report indicates that PRIMARY
ALDOSTERONISM "may be responsible for as many as one in 10 cases of high
blood pressure." There is additional information about Primary
Aldosteronism at the site mentioned below.

I obtained the report from
www.mayoclinic.com
Once you log on to the search engine of that type, choose P from the list.

Original Article:
http://www.mayoclinic.com/invoke.cfm?id=DS00563&dsection=1

Primary aldosteronism

Overview


Though your adrenal glands are each only about half the size of your
thumb, these tiny titans dictate much of what happens in your body.
Perched atop each of your kidneys, they produce hormones that help
regulate your metabolism, immune system, blood pressure and other
essential functions. One such hormone is aldosterone, which manages your
body's balance of sodium, potassium and water. In primary aldosteronism,
your body produces too much of this hormone, causing you to retain sodium
and lose potassium.

Sodium and potassium normally work together to help maintain the right
balance of fluids in your body, transmit nerve impulses, and contract and
relax your muscles. But excess aldosterone causes sodium retention, which
in turn attracts and holds excess water, increasing your blood volume and
blood pressure.

Doctors once considered primary aldosteronism rare. However, as screening
for this condition becomes more common, evidence is emerging that it may
be responsible for as many as one in 10 cases of high blood pressure. The
condition is especially common in people with severe, uncontrolled high
blood pressure. Treatment depends on the underlying cause, but effective
surgery and medications are available.



By Mayo Clinic staff

DS00563

January 05, 2005


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