Hypertension
What Is Hypertension?
Though you can’t see
high blood pressure,
your body will definitely notice
the change.
You can’t see your blood pressure
or feel it, so you may wonder
why this simple reading is so
important. The answer is that
measuring your blood pressure
gives your doctor a peek into
the workings of your circulatory
system. A high number means
that your heart is working
overtime to pump blood through your
body. This extra work can result in a
weaker heart muscle and potential
organ damage down the road. Your
arteries also suffer when your blood
pressure is high. The relentless
pounding of the blood against the
arterial walls causes them to become
hard and narrow, potentially setting
you up for stroke, kidney failure, and
cardiovascular disease.
Physicians classify the different kinds
of hypertension based on their causes
and characteristics. Following are
some of the most common types.
Essential hypertension
About 90 percent–95 percent of
people with high blood pressure have
what’s called essential hypertension
or primary hypertension. This means
the condition has no identifiable
source.
Isolated systolic hypertension
As people age, their arteries tend to
lose elasticity and become less able
to accommodate blood surges. The
damage created in the vessel lining
when blood flows through the arteries
at high pressure can accelerate plaque
buildup. Eventually, plaque deposits
lead to atherosclerosis (hardening of
the arteries) This is the most common
form of high blood pressure in the
elderly.
Medications for Treating
Hypertension
For those with diabetes or kidney
disease, medications may be
necessary at pressures as low as 130/80. And today, blood pressure
can be controlled with lower doses of
medications, meaning there is less
chance of side effects.
Doctors can choose from an abundant
selection of antihypertensive
medications, including many
preparations that combine one or more
drugs. Many newer antihypertensive
drugs have a slightly different
chemical structure from older drugs
but produce nearly identical effects
in the body. Others act in entirely
different ways. Doctors can tailor
treatment to the individual patient
and can often prescribe a drug that
controls blood pressure, produces
few or no side effects, and, hopefully,
protects against complications. In
addition, it’s often possible to use a
single medication to treat both the
hypertension and accompanying
medical problems, like congestive
heart failure.
It’s also important to understand
that no single drug is “superior” to
the others. Blood pressure control
is ultimately a numbers game: The
value of any antihypertensive drug
is judged on an individual basis,
depending on how significantly the
medication reduces blood pressure for
the person who takes it.
Experts recommend starting any
antihypertensive drug at the lowest
possible dose and gradually increasing
it until blood pressure sinks to a
normal level. If the drug causes
troublesome side effects, it should be
replaced with a different medication.