About this Journal Submit a Manuscript Table of Contents
Volume 2014 (2014), Article ID 261878, 5 pages
Research Article

Validation of the Friedewald Formula in Patients with Metabolic Syndrome

Pontifícia Universidade Católica do Paraná, Rua Imaculada Conceição, Prado Velho, 1155 Curitiba, PR, Brazil

Received 16 September 2013; Revised 13 December 2013; Accepted 26 December 2013; Published 6 February 2014

Academic Editor: Gordon Ferns

Copyright © 2014 José Knopfholz et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Linked References

  1. J. Jeppesen, T. W. Hansen, S. Rasmussen, H. Ibsen, and C. Torp-Pedersen, “Metabolic syndrome, low-density lipoprotein cholesterol, and risk of cardiovascular disease: a population-based study,” Atherosclerosis, vol. 189, no. 2, pp. 369–374, 2006. View at Publisher · View at Google Scholar · View at Scopus
  2. D. Q. F. Penalva, “Síndrome metabólica: diagnóstico e tratamento,” Revista de Medicina, vol. 87, no. 4, pp. 245–250, 2008.
  3. Sociedade Brasileira de Hipertensão, Sociedade Brasileira de Cardiologia, Sociedade Brasileira de Endocrinologia e Metabologia, Sociedade Brasileira de Diabetes, and Associação Brasileira para Estudos da Obesidade, “I Diretriz Brasileira de Diagnóstico e Tratamento da Síndrome Metabólica,” Arquivos Brasileiros de Cardiologia, vol. 84, supplement 1, pp. 3–28, 2005.
  4. R. L. Luna, “Síndrome metabólica,” Arquivos Brasileiros de Cardiologia, vol. 88, no. 5, pp. 124–126, 2007.
  5. H. P. Himsworth, “The mechanism of diabetes mellitus,” The Lancet, vol. 234, no. 6046, pp. 118–122, 1939. View at Scopus
  6. J. I. Cleeman, “Executive summary of the third report of the National Cholesterol Education Program (NCEP) expert panel on detection, evaluation, and treatment of high blood cholesterol in adults (adult treatment panel III),” Journal of the American Medical Association, vol. 285, no. 19, pp. 2486–2497, 2001. View at Scopus
  7. A. C. Sposito, B. Caramelli, F. H. Fonseca, M. C. Bertolami, and Departamento de Aterosclerose da Sociedade Brasileira de Cardiologia, “IV Diretriz brasileira sobre dislipidemias e prevenção da aterosclerose. Arquivos Brasileiros de Cardiologia,” Arquivos Brasileiros de Cardiologia, vol. 88, supplement 1, 2007.
  8. A. F. A. Siqueira, D. S. P. Abdalla, and S. R. G. Ferreira, “LDL: da síndrome metabólica à instabilização da placa aterosclerótica,” Arquivos Brasileiros de Endocrinologia and Metabologia, vol. 50, no. 2, pp. 334–343, 2006.
  9. M. Nauck, G. R. Warnick, and N. Rifai, “Methods for measurement of LDL-cholesterol: a critical assessment of direct measurement by homogeneous assays versus calculation,” Clinical Chemistry, vol. 48, no. 2, pp. 236–254, 2002. View at Scopus
  10. S. Kathiresan, J. D. Otvos, L. M. Sullivan et al., “Increased small low-density lipoprotein particle number: a prominent feature of the metabolic syndrome in the Framingham Heart Study,” Circulation, vol. 113, no. 1, pp. 20–29, 2006. View at Publisher · View at Google Scholar · View at Scopus
  11. A. J. Tremblay, H. Morrissette, J.-M. Gagné, J. Bergeron, C. Gagné, and P. Couture, “Validation of the Friedewald formula for the determination of low-density lipoprotein cholesterol compared with β-quantification in a large population,” Clinical Biochemistry, vol. 37, no. 9, pp. 785–790, 2004. View at Publisher · View at Google Scholar · View at Scopus
  12. S. M. Grundy, J. I. Cleeman, S. R. Daniels et al., “Diagnosis and management of the metabolic syndrome: an American Heart Association/National Heart, Lung, and Blood Institute scientific statement,” Circulation, vol. 112, no. 17, pp. 2735–2752, 2005. View at Publisher · View at Google Scholar · View at Scopus
  13. W. T. Friedewald, R. I. Levy, and D. S. Fredrickson, “Estimation of the concentration of low-density lipoprotein cholesterol in plasma, without use of the preparative ultracentrifuge,” Clinical Chemistry, vol. 18, no. 6, pp. 499–502, 1972. View at Scopus
  14. G. Schectman, M. Patsches, and E. A. Sasse, “Variability in cholesterol measurements: comparison of calculated and direct LDL cholesterol determinations,” Clinical Chemistry, vol. 42, no. 5, pp. 732–737, 1996. View at Scopus
  15. I. Türkalp, Z. Cil, and D. Ozkazanç, “Analytical performance of a direct assay for LDL-cholesterol: a comparative assessment versus Friedewald’s formula,” Anadolu Kardiyoloji Dergisi, vol. 5, pp. 13–17, 2005.
  16. S. Mora, N. Rifai, J. E. Buring, and P. M. Ridker, “Comparison of LDL cholesterol concentrations by Friedewald calculation and direct measurement in relation to cardiovascular events in 27 331 women,” Clinical Chemistry, vol. 55, no. 5, pp. 888–894, 2009. View at Publisher · View at Google Scholar · View at Scopus
  17. J. P. J. Piva and T. R. L. Fernandes, “Comparação analítica de valores de LDL-colesterol utilizando a dosagem direta e o cálculo pela fórmula de Friedewald,” Revista Brasileira de Análises Clínicas, vol. 40, no. 4, pp. 279–283, 2008.
  18. S. Hirany, D. Li, and I. Jialal, “A more valid measurement of low-density lipoprotein cholesterol in diabetic patients,” The American Journal of Medicine, vol. 102, no. 1, pp. 48–53, 1997. View at Publisher · View at Google Scholar · View at Scopus
  19. N. Charuruks and A. Milintagas, “Evaluation of calculated low-density lipoprotein against a direct assay,” Journal of the Medical Association of Thailand, vol. 88, supplement 4, pp. S274–S279, 2005. View at Scopus
  20. C. M. M. de Cordova, C. R. Schneider, I. D. Juttel, and M. M. de Cordova, “Avaliação da dosagem direta do colesterol-LDL em amostras de sangue de 10664 pacientes em comparação com o uso da fórmula de Friedewald,” Arquivos Brasileiros de Cardiologia, vol. 83, no. 6, pp. 476–481, 2004. View at Publisher · View at Google Scholar
  21. S. Sahu, R. Chawla, and B. Uppal, “Comparison of two methods of estimation of low density lipoprotein cholesterol, the direct versus Friedewald estimation,” Indian Journal of Clinical Biochemistry, vol. 20, no. 2, pp. 54–61, 2005. View at Scopus
  22. S.-A. Ahmadi, M.-A. Boroumand, K. Gohari-Moghaddam, P. Tajik, and S.-M. Dibaj, “The impact of low serum triglyceride on LDL-cholesterol estimation,” Archives of Iranian Medicine, vol. 11, no. 3, pp. 318–321, 2008. View at Scopus
  23. I. Gazi, V. Tsimihodimos, T. D. Filippatos et al., “LDL cholesterol estimation in patients with the metabolic syndrome,” Lipids in Health and Disease, vol. 5, article 8, 2006. View at Publisher · View at Google Scholar · View at Scopus