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where H is HDL cholesterol, L is LDL cholesterol, C is total cholesterol, T are triglycerides, and k is 0.20 if the quantities are measured in mg/dL and 0.45 if in mmol/L. There are limitations to this method, most notably that samples must be obtained after a 12 to 14 h fast and that LDL-C cannot be calculated if plasma triglyceride is >4.52 ...
LDL cholesterol is produced naturally by the body, but eating a diet high in saturated fat, trans fats, and cholesterol can increase LDL levels. [43] Elevated LDL levels are associated with diabetes, hypertension, hypertriglyceridemia, and atherosclerosis. In a fasting lipid panel, a LDL greater than 160 mg/dL is abnormal. [37] [39]
After six weeks, The National Cholesterol Education Program recommends checking the LDL cholesterol response to the changes; if the LDL cholesterol goal has not been achieved, other therapeutic options for LDL lowering can be implemented. These include: 2 grams per day of plant stanols or sterols and 10–25 grams per day of soluble fiber.
A blood sample after 12-hours of fasting is taken by a healthcare professional from an arm vein to measure a lipid profile for a) total cholesterol, b) HDL cholesterol, c) LDL cholesterol, and d) triglycerides. [3] [104] Results may be expressed as "calculated", indicating a calculation of total cholesterol, HDL, and triglycerides. [3]
A lipid profile or lipid panel is a panel of blood tests used to find abnormalities in blood lipid ( such as cholesterol and triglycerides) concentrations. [not verified in body] The results of this test can identify certain genetic diseases and can determine approximate risks for cardiovascular disease, certain forms of pancreatitis, and other diseases.
Increasing consumption of whole grains also reduces LDL cholesterol, with whole grain oats being particularly effective. [66] Inclusion of 2 g per day of phytosterols and phytostanols and 10 to 20 g per day of soluble fiber decreases dietary cholesterol absorption. [8] A diet high in fructose can raise LDL cholesterol levels in the blood. [67]