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An equianalgesic chart is a conversion chart that lists equivalent doses of analgesics (drugs used to relieve pain). Equianalgesic charts are used for calculation of an equivalent dose (a dose which would offer an equal amount of analgesia) between different analgesics. [1]
They recommended selective use of low-to-moderate doses statins in the same adults who have a calculated 10-year cardiovascular disease event risk of 7.5–10% or greater. [23] In people over the age of 70, statins decrease the risk of cardiovascular disease but only in those with a history of heavy cholesterol blockage in their arteries. [25]
Most efficacious in lowering LDL-C levels, statins block the action of HMG-CoA reductase through competitive inhibition. [18] HMG-CoA reductase, an enzyme found in hepatocytes, is responsible for the conversion of HMG-CoA to mevalonic acid for cholesterol biosynthesis. Inhibition of this enzyme reduces the synthesis and thus, availability of ...
The effects of rosuvastatin on low-density lipoprotein (LDL) cholesterol are dose-related. Higher doses were more efficacious in improving the lipid profile of patients with hypercholesterolemia than milligram-equivalent doses of atorvastatin and milligram-equivalent or higher doses of simvastatin and pravastatin.
Statins with shorter half-lives are more effective when taken in the evening, so their peak effect occurs when the body's natural cholesterol production is at its highest. A recent meta-analysis suggested that statins with longer half-lives, including atorvastatin, may also be more effective at lowering LDL cholesterol if taken in the evening. [40]
For example, the Recorded Daily Dose (RDD) of simvastatin in Canada in 1997 was only 8% different to the DDD, but by 2006 it was 67% different. In 2009, the DDD of several statins were updated, with simvastatin changing from 15mg to 30mg.
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