Cholesterol Levels Can't Be Too Low (report)
- From: "Blocked" <blockedthedoc@xxxxxxxxxxx>
- Date: 11 Oct 2005 19:46:14 -0700
Cholesterol Levels Can't Be Too Low
TUESDAY, Oct. 11 2005
Very low levels of LDL cholesterol, the so-called "bad" cholesterol,
seem to be safe for heart patients who are taking statins, researchers
report.
Patients taking high doses of statins can see their LDL cholesterol
drop from over 200 milligrams per deciliter past a target goal of 70 to
80 mg/dL to as low as 40 mg/dL. Whether such low cholesterol levels are
safe has been a matter of conjecture.
The findings appear in the Oct. 18 issue of the Journal of the American
College of Cardiology.
"We looked at patients who got to ultra-low cholesterol levels, and
wanted to make sure that was safe," said study co-author Dr.
Christopher P. Cannon, a cardiologist at Brigham and Women's Hospital
in Boston. "We found that it was not only safe, but it was better to
have your cholesterol down in the range of 40 or 50 mg/dL than 70 or 80
mg/dL."
In their study, Cannon and his team collected data on 1,825 patients
who were taking statins after having a heart attack or unstable angina.
Patients were taking 80 milligrams daily of Lipitor.
After four months of therapy, 91 percent of the patients saw their
cholesterol drop below 100 mg/dL. Of these, 11 percent saw their
cholesterol drop below 40 mg/dL, according to the report.
Compared with other groups, those with cholesterol levels of less than
40 mg/dL and those whose cholesterol was in the range of 40 to 60 mg/dL
had fewer heart attacks, strokes, cardiac death, chest pain or
additional heart procedures, the researchers found.
Moreover, there were no significant differences in adverse side effects
from statins, such as muscle, liver or retinal abnormalities, bleeding
in the brain, or death.
"We can feel comfortable using high-dose statins in all high-risk
patients, even if their cholesterol ends up at 40 mg/dL. That's
actually a good thing," Cannon said. "The message is that lower is
better and safe."
One expert believes these results will lower current cholesterol goals.
"I think this is an important direction of our therapy for the future
-- lowering the bar," said Dr. Eric J. Topol, chairman of the
department of cardiovascular medicine and chief academic officer at The
Cleveland Clinic. "And this study helps, validating its remarkable
safety."
.
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