Blocked Arteries: Clean Them Out Naturally
Impact of Low LDL
Numerous studies have demonstrated that if the LDL cholesterol is substantially brought down,
reversal of coronary artery disease will likely occur. Some high LDL subjects with coronary heart
disease were treated by lowering their LDL, and others with conventional heart disease therapy.
The results are compared in Figure 13: Reducing LDL Reverses Heart Disease.25
About one in five patients that has a heart attack has a total cholesterol below 200. Although
these patients will likely have other risk factors such as smoking or a low HDL, physicians have
conventionally not paid attention to their total or LDL cholesterol. However, a recent study has
shown that heart attack patients that already have "desirable" cholesterol levels will gain
further benefit from a program that brings their cholesterol down even further.26
Vegetarian Diet Reduces Cardiac Occurrences
Further support for the diet with reduced cholesterol and total lifestyle approach is provided by
the St. Thomas' Atherosclerosis Regression Study (STARS).27 This British study moved closer to
the diet program that Ornish used and, as expected, produced results that were between those
achieved on the NCEP diet and those on the Lifestyle Heart Trial regimen. The STARS researchers
went beyond the NCEP Step II diet in a number of ways. They: (1) added a significant amount of
plant fiber to the diet (up to 6 grams per 1000 calories); (2) further decreased cholesterol intake,
amounting to only 100 to 120 mg per day for many of the participants; and (3) increased
polyunsaturated fat in the diet. All of these changes made the diet closer to a vegetarian diet
than the NCEP diet.
They also counseled patients against smoking and "advised a suitable level
of daily exercise." However, the description of these components in their report suggests that
relatively little attention was given to these areas compared to Ornish's structured focus on exercise.
When angiograms done at the beginning of the STARS were compared with those done an average of about 3
years later, the results were as expected. That is, the results were between those achieved by Ornish
and those seen with the NCEP diet. Specifically, regression occurred in 38 percent, while 15 percent
progressed; about half did not show any significant change.
However, this dietary approach decreased the number of cardiac events. When they looked at the total
of all the strokes, heart attacks, deaths, coronary bypass surgeries, and angioplasties, they realized
they made a remarkable impact. Whereas ten percent of control patients had one of these events,
only three percent of the diet-treated patients had one.
HDL Did Not Rise In the Lifestyle Heart Trial
What about HDL cholesterol? As we saw in the previous chapter, the higher the HDL cholesterol the
better as far as heart disease is concerned. The HDL values for the two groups are compared in Figure
14: HDL Cholesterol Changes in the Lifestyle Heart Trial.
Both groups had a slight decrease in HDL, which is so small as to be statistically insignificant.
However, the experimental group still experienced reversal of coronary heart disease despite their
low HDL. I believe this makes an important statement: if you have coronary artery disease, lowering
your LDL is more important than raising your HDL. The control group had a higher HDL, which is
considered to be healthy, but their coronary artery disease still got worse, which suggests again that
lowering LDL may be more important in regression of atherosclerosis. However, do not think that the
role of HDL is of no importance. We will look at HDL concerns more closely later in the chapter.
25 Brown G, Albers JJ, et al. Regression of coronary artery disease as a result of intensive
lipid-lowering therapy in men with high levels of apolipoprotein B. N Engl J Med 1990 Nov 8;323
(19):1289-1298. Figure obtained from Harold T Dodge, author of FATS study, First Annual Conference on the
Elimination of Coronary Artery Disease, Tucson, Arizona. October, 1991.
26 Sacks FM, Pfeffer MA, et al. The effect of pravastatin on coronary events after myocardial infarction
in patients with average cholesterol levels. Cholesterol and Recurrent Events Trial investigators. N Engl
J Med 1996 Oct 3;335(14):1001-1009.
27 Watts G, Lewis B, et al. Effects on coronary artery disease of lipid-lowering diet, or diet plus
cholestyramine, in the St Thomas' Atherosclerosis Regression Study (STARS). Lancet 1992 Mar 7;339(8793)
Notice of Credit
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treatment facility devoted to natural remedies. For mor information, call 334-855-4781,e-mail:
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