Blood Cholesterol Management Recommendations
The American College of Cardiology (ACC) and the American
Heart Association (AHA) recently developed new standards for
treating blood cholesterol. These recommendations are based on
a thorough and careful review of the very latest, highest
quality clinical trial research. They help care providers
deliver the best care possible. This page provides some of the
highlights from the new practice guidelines. The ultimate goal
of the new cholesterol practice guidelines is to reduce a
person's risk of heart attack, stroke and death. For this
reason, the focus is not just on measuring and treating
cholesterol, but identifying whether someone already has or is
at risk for atherosclerotic cardiovascular disease (ASCVD) and
could benefit from treatment.
What is ASCVD?
Heart attack and stroke are usually caused by atherosclerotic
cardiovascular disease (ASCVD). ASCVD develops because of a
build-up of sticky cholesterol-rich plaque. Over time, this
plaque can harden and narrow the arteries.
These practice guidelines outline the most effective
treatments that lower blood cholesterol in those individuals
most likely to benefit. Most importantly, they were selected
as the best strategies to lower cholesterol to help reduce
future heart attack or stroke risk. Share this information
with your health care provider so that you can ask questions
and work together to decide what is right for you.
Key Points
Based on the most up-to-date and complete look at available
clinical trial results:
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Health care providers should focus on identifying those
people who are most likely to have a heart attack or
stroke and make sure they are given effective treatment to
reduce their risk.
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Cholesterol should be considered along with other factors
known to make a heart attack or stroke more likely.
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Knowing your risk of heart attack and stroke can help you
and your health care provider decide whether you may need
to take a medication—most likely a statin—to
lower that risk.
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If a medication is needed, statins are recommended as the
first choice to lower heart attack and stroke risk among
certain higher-risk patients based on an overwhelming
amount of evidence. For those unable to take a statin,
there are other cholesterol-lowering drugs; however, there
is less research to support their use.
Evaluating Your Risk
Your health care provider will first want to assess your risk
of ASCVD (assuming you don't already have it). This
information will help determine if you are at high enough risk
of a heart attack or stroke to need treatment.
To do this, your care provider will 1) review your medical
history and 2) gauge your overall risk for heart attack or
stroke. He/she will likely want to know:
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whether you have had a heart attack, stroke or blockages
in the arteries of your heart, neck, or legs.
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your risk factors. In addition to your total cholesterol,
LDL cholesterol, and HDL (so-called "good") cholesterol,
your health care provider will consider your age, if you
have diabetes, and whether you smoke and/or have high
blood pressure.
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about your lifestyle habits, other medical conditions, any
previous drug treatments, and if anyone in your family has
high cholesterol or suffered a heart attack or stroke at
an early age.
A lipid or blood cholesterol panel will be needed as part of
this evaluation. This blood test measures the amount of fatty
substances (called lipids) in your blood. You may have to fast
(not eat for a period of time) before having your blood drawn.
If there is any question about your risk of ASCVD, or whether
you might benefit from drug therapy, your care provider may
make additional assessments or order additional tests. The
results of these tests can help you and your health care team
decide what might be the best treatment for you. These tests
may include:
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Lifetime risk estimates —how
likely you are to have a heart attack and stroke during
your lifetime
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Coronary artery calcium (CAC) score
—a test that shows the presence of plaque or fatty
build-up in the heart artery walls
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High-sensitivity C-Reactive Protein (CRP)
—a blood test that measures the amount of CRP, a
marker of inflammation or irritation in the body; higher
levels have been associated with heart attack and stroke
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Ankle-brachial index (ABI) —the
ratio of the blood pressure in the ankle compared to blood
pressure in the arm, which can predict peripheral artery
disease (PAD)
If you have very high levels of low-density lipoprotein (LDL
or "bad") cholesterol, your care provider may want to find out
if you have a genetic or familial form of
hypercholesterolemia. This condition can be passed on in
families.
Your Treatment Plan
Before coming up with a specific treatment plan, your care
provider will talk with you about options for lowering your
blood cholesterol and reducing your personal risk of
atherosclerotic disease. This will likely include a discussion
about heart-healthy living and whether you might benefit from
a cholesterol-lowering medication.
Heart-Healthy Lifestyle
Adopting a heart-healthy lifestyle continues to be the first
and best way to lower your risk of problems. Doing so can also
help control or prevent other risk factors (for example: high
blood pressure or diabetes). Experts suggest:
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Eating a diet rich in vegetables, fruits, and whole
grains
; this also includes low-fat dairy products, poultry,
fish, legumes, and nuts; it limits intake of sweets,
sugar-sweetened beverages and red meats.
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Getting regular exercise ; check with
your health care provider about how often and how much is
right for you.
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Maintaining a healthy weight .
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Not smoking or getting help quitting .
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Staying on top of your health , risk
factors and medical appointments. For some people,
lifestyle changes alone may not be enough to prevent a
heart attack or stroke. In these cases, taking a statin at
the right dose will most likely be necessary.
Medications
There are two types of cholesterol-lowering medications:
statins and non-statins.
Statin Therapy
There is a large body of evidence that shows the use of a
statin provides the greatest benefit and fewest safety issues.
In particular, specific groups of patients appear to benefit
most from taking moderate or high-intensity statin therapy.
Based on this information, your care provider will likely
recommend a statin if you have:
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ASCVD
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Very high LDL cholesterol (190 mg/dL or higher)
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Type 2 diabetes and are between 40 and 75 years of age
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Above a certain likelihood of having a heart attack or
stroke in the next 10 years (7.5% or higher) and are
between 40 and 75 years of age
In certain cases, your care provider may still recommend a
statin even if you don't fit into one of the groups above.
He/she will consider your overall health and other factors to
help decide if you are at enough risk to benefit from a
statin. Based on the guidelines, these may include:
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Family history of premature heart attack or stroke
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Your lifetime risk of ASCVD
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LDL-cholesterol ≥160 mg/dL
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hs-CRP ≥2 mg/L
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Results from other special testing (CAC scoring, ABI)
If you are on a statin, your care provider will need to find
the dose that is right for you.
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People who have had a heart attack, stroke or other types
of ASCVD tend to benefit the most from taking the highest
amount (dose) of statin therapy if they tolerate it. This
may be more appropriate than taking multiple drugs to
lower cholesterol.
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A more moderate dose of statin may be appropriate for some
people with ASCVD, such as those over 75 years or those
that might have problems taking the highest dose of a
statin (i.e., those with prior organ transplantation).
Sometimes more than one statin needs to be tried before
finding the one that works best.
If you are 75 years or older and have not already had a heart
attack, stroke or other types of ASCVD, your care provider
will discuss whether a statin is right for you.
Other cholesterol-lowering medications
Not all patients will be able to take the optimum dose of
statin. After attention to lifestyle changes and statin
therapy, non-statin drugs may be considered if you have
high-risk with known ASCVD, diabetes, or very high LDL
cholesterol values (≥190 mg/dL) and:
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Have side effects from statins that prevent you from
getting to the optimal dose or are not able to take a
statin at all.
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Are limited from taking an optimal dose due to other drugs
that you are taking, including:
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Transplant drug regimens to prevent rejection
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Multiple drugs to treat HIV
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Some antibiotics like erythromycin and clarithromycin
or certain oral anti-fungal drugs
As always, it's important to talk with your health care
provider about which medication is right for you.
What About Having Goals of Treatment?
Although keeping LDL-cholesterol lower with an optimal dose of
statin is supported strongly by clinical trials, getting to a
specific goal level is not.
Staying on Top of Your Risk
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Take steps to lower your risk factors for heart attack,
stroke and other problems
—Make healthy choices (eating a healthy diet,
getting exercise, maintaining a healthy weight and not
smoking). Drug therapy, if needed, can help control risk
factors.
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Report side effects —Muscle aches
are commonly reported and may or may not be due to the
statin. If you are having problems, your care provider
needs to know to help manage any side effects and possibly
switch you to a different statin.
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Take your medications as directed .
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Get blood cholesterol and other tests
that are recommended by your health care team. These can
help assess whether statin therapy—and the
dose—is working for you.
Questions to Ask
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What are my risk factors for heart attack and stroke? Am I
on the best prevention program to minimize this risk?
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Is my cholesterol high enough that it might be due to a
genetic condition?
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What lifestyle changes can I make to stay healthy and
prevent problems?
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Do I need to be on a statin?
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How do I monitor how I am doing?
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What should I do if I develop muscle aches or weakness
after starting the statin?
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What do I do if I have other symptoms after starting the
statin?
Source:
www.cardiosmart.org