Hypercholesterolemia

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Hypercolesterolemia is "a condition with abnormally high levels of cholesterol in the blood. It is defined as a cholesterol value exceeding the 95th percentile for the population."[1]

Treatment

Clinical practice guidelines by the National Institute for Health and Clinical Excellence recommend treatment if the estimated 10 year risk of cardiovascular disease is at least 20%.[2][3]

Primary prevention

Overall mortality is insignificantly reduced from 6.6% over 4.3 years to 6.1% in patients without prior cardiovascular disease (Number needed to treat, although statistically insignificant, is estimated to be 200).[4]

Secondary prevention

Diabetic patients

For more information, see: Diabetes_mellitus_type_2#Hypercholesterolemia.

Statin therapy prevents major vascular events in about 1 of every 24 patients with diabetes who use the treatment for 5 years if they are similar to the patients in the meta-analysis by Kearney et al (Number needed to treat is 24).[5]

Treating to a goal of LDL-C < 70 mg/dl and systolic blood pressure to < 115 mm Hg may cause regression of carotid intial media thickness in a randomized controlled trial.[6]

References

  1. Anonymous. Hypercholesterolemia. National Library of Medicine. Retrieved on 2008-01-18.
  2. Cooper A, O'Flynn N (2008). "Risk assessment and lipid modification for primary and secondary prevention of cardiovascular disease: summary of NICE guidance". BMJ. PMID 18511800. PMC 2405875[e]
  3. Anonymous (2008). Lipid modification. National Institute for Health and Clinical Excellence. Retrieved on 2008-08-26.
  4. Thavendiranathan P, Bagai A, Brookhart MA, Choudhry NK (2006). "Primary prevention of cardiovascular diseases with statin therapy: a meta-analysis of randomized controlled trials". Arch. Intern. Med. 166 (21): 2307–13. DOI:10.1001/archinte.166.21.2307. PMID 17130382. Research Blogging.
  5. Kearney PM, Blackwell L, Collins R, et al (2008). "Efficacy of cholesterol-lowering therapy in 18,686 people with diabetes in 14 randomised trials of statins: a meta-analysis". Lancet 371 (9607): 117–25. DOI:10.1016/S0140-6736(08)60104-X. PMID 18191683. Research Blogging.
  6. Howard, B. V., Roman, M. J., Devereux, R. B., Fleg, J. L., Galloway, J. M., Henderson, J. A., et al. (2008). Effect of Lower Targets for Blood Pressure and LDL Cholesterol on Atherosclerosis in Diabetes: The SANDS Randomized Trial. JAMA, 299(14), 1678-1689. DOI:10.1001/jama.299.14.1678.