Omudhome Ogbru, PharmD
Omudhome Ogbru, PharmD
Dr. Ogbru received his Doctorate in Pharmacy from the University of the Pacific School of Pharmacy in 1995. He completed a Pharmacy Practice Residency at the University of Arizona/University Medical Center in 1996. He was a Professor of Pharmacy Practice and a Regional Clerkship Coordinator for the University of the Pacific School of Pharmacy from 1996-99.
Medical and Pharmacy Editor:
In this Article
The important role of cholesterol in atherosclerosis is widely accepted by scientists. Research from the last few years shows that aggressive cholesterol reduction is more beneficial than modest reductions.
Atherosclerosis is a complex process that involves more than just cholesterol. For example, scientists have discovered that inflammation in the walls of the arteries may be an important factor in atherosclerosis. In addition to lowering cholesterol levels, statins also reduce inflammation, which could be another mechanism by which statins beneficially affect atherosclerosis. This reduction of inflammation does not depend on statins' ability to reduce cholesterol. Furthermore, these anti-inflammatory effects can be seen as early as two weeks after starting statins.
For what conditions are statins used?
Statins are used for preventing and treating atherosclerosis that causes chest pain, heart attacks, strokes, and intermittent claudication in individuals who have or are at risk for atherosclerosis.
Risk factors for atherosclerosis include:
Most individuals are placed on statins because of high levels of cholesterol. Though reduction of cholesterol is important, heart disease is complex and, as discussed previously, other factors such as inflammation may play a role. Thirty-five percent of individuals who develop heart attacks do not have high blood cholesterol levels, yet most of them have atherosclerosis. This means that high levels of cholesterol are not always necessary for atherosclerotic plaques to form.
Because it is not clear which effect of statins is responsible for their benefits, the goal of treatment with statins should not be only the reduction of cholesterol to normal levels, but rather the prevention of the complications of atherosclerosis (angina, heart attacks, stroke, intermittent claudication, and death). This concept is important because it allows for individuals who have or are at risk for atherosclerosis, but do not have high levels of cholesterol to be considered for treatment with statins. Statins, like angiotensin converting enzyme inhbitors (ACE inhibitors), are an important class of drugs because they have been shown to reduce the incidence of heart attacks, strokes, and death.
Are there differences among statins?
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