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http://dx.doi.org/10.1097/QAI.0b013e3181c0b05c | DOI Listing |
Metabolites
January 2025
Department of Laboratory Medicine, Konkuk University School of Medicine, Seoul 05030, Republic of Korea.
: The currently established equations for calculating low-density lipoprotein cholesterol (LDLc) do not reflect the sex-specific differences in lipid metabolism. We aimed to develop a sex-specific LDLc equation (SSLE) and validate it with three established equations (Friedewald, Sampson-NIH, and ext-Martin-Hopkins) against direct LDLc measurement in Korean adults. This study included 23,757 subjects (51% male; median age, 51 years) from the 2009-2022 Korean National Health and Nutrition Examination Survey.
View Article and Find Full Text PDFEJIFCC
December 2024
Department of Biochemistry, Srinivasan Medical College and Hospital, Dhanalakshmi Srinivasan University, Tamil Nadu, India.
Introduction: Assessing LDL cholesterol is pivotal for cardiovascular risk evaluation. While direct LDL measurement is accurate, calculated LDL methods offer practicality and cost-effectiveness. This study aims to evaluate the correlation between direct LDL measurement and various calculated LDL methods, shedding light on their clinical utility.
View Article and Find Full Text PDFIntroduction: An annual fasting lipid panel (FLP) is recommended for patients with diabetes, with more frequent testing advised during the escalation of cholesterol-lowering therapy. However, the calculated low-density lipoprotein cholesterol (LDL-C) using the Friedewald equation becomes unreliable when triglycerides are ≥400 mg/dL. In such cases, providers must order a separate direct LDL-C assay to obtain accurate results.
View Article and Find Full Text PDFAnn Clin Biochem
December 2024
Allam Diabetes Centre, Hull University Teaching Hospitals NHS Trust, Hull, UK.
Background: The Sampson-NIH and Martin-Hopkins low-density lipoprotein cholesterol (LDL-C) equations are advocated as being superior to the Friedewald calculation. However, their mathematical complexity means they may have different biological and analytical variation when tracking LDL-C in the same patient. This study has established the biological variation (BV) of calculated and directly measured LDL-C (dLDL-C) in patients taking equivalent doses of a long (atorvastatin) and short (simvastatin) half-life statin.
View Article and Find Full Text PDFCureus
October 2024
Internal Medicine, Dr. D. Y. Patil Medical College, Hospital, and Research Centre, Dr. D. Y. Patil Vidyapeeth (Deemed to be University), Pune, IND.
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