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Total Cholesterol · TC · Cholesterin gesamt
Total cholesterol measures the combined levels of LDL, HDL, and VLDL cholesterol in the blood.
Fasting is recommended for accurate assessment. Reference ranges may vary slightly by laboratory.
Total cholesterol (TC) is a measure of the total amount of cholesterol in the blood, encompassing low-density lipoprotein (LDL), high-density lipoprotein (HDL), and very low-density lipoprotein (VLDL) cholesterol. Cholesterol is a waxy, fat-like substance that is essential for the formation of cell membranes, certain hormones, and vitamin D. However, excessive levels of cholesterol can lead to the development of atherosclerosis, a condition characterized by the buildup of cholesterol and other substances in the arterial walls. Clinically, elevated total cholesterol levels are associated with an increased risk of cardiovascular diseases (CVD), including coronary artery disease and stroke. Researchers have found that high TC levels can be indicative of dyslipidemia, a condition that often accompanies metabolic disorders such as diabetes and obesity. For athletes and biohackers, maintaining optimal cholesterol levels is crucial for cardiovascular health and overall performance. While cholesterol is necessary for muscle repair and hormone production, excessive levels can impair blood flow and oxygen delivery, negatively impacting endurance and recovery. The timing of cholesterol testing can influence results, as levels may vary based on fasting status and time of day. Researchers observed that fasting is typically required to obtain accurate measurements, and variations in TC levels may occur due to dietary intake, stress, or recent physical activity. It is important to consider these factors when interpreting cholesterol test results.
Klinische Bedeutung
Elevated total cholesterol levels indicate an increased risk of cardiovascular diseases, such as coronary artery disease and stroke. Low levels may suggest malnutrition or liver disease.
Progressively rising total cholesterol levels suggest increasing cardiovascular risk. Retest in 4-6 weeks if levels are outside the optimal range.
Progressively falling levels may indicate improved lipid management or underlying health issues such as liver disease.
Re-test Interval
4 weeks if outside optimal range
Note:
Consult a healthcare provider before starting any supplementation, especially if on cholesterol-lowering medications.
Cholesterol levels can vary throughout the day; morning fasting samples are recommended.
Testing Frequency
Annually for adults over 20, more frequently if at risk for CVD
Current research suggests that the reference ranges and optimal targets for total cholesterol (TC) in relation to cardiovascular disease (CVD) risk remain debated, particularly regarding the impact of intraindividual variability on outcomes. Researchers have not yet established standardized methods to assess this variability's contribution to residual CVD risk. Additionally, clinical questions regarding the specific mechanisms linking TC variability to disease progression and the role of confounding factors in diverse populations remain unanswered.
914
Total Citations
21
Human/RCT
4.8
Avg. Influence
2025
Latest
This study investigated lipid levels in COVID-19 patients and their relationship with disease severity. Researchers found that total cholesterol and low-density lipoprotein cholesterol levels were significantly lower in severe cases compared to mild cases. The findings suggest a correlation between hypolipidemia and the severity of COVID-19.
This systematic review and meta-analysis evaluated blood-derived proteins as potential biomarkers for post-stroke cognitive impairment. Researchers found that levels of homocysteine, C-reactive protein, total cholesterol, and low-density lipoprotein cholesterol were significantly higher in patients with cognitive impairment compared to those without. The study suggests these proteins may serve as effective biomarkers for assessing cognitive outcomes after stroke.
This review explored hypobetalipoproteinemia, characterized by low total cholesterol and low-density lipoprotein cholesterol levels. Researchers found that primary forms are often due to genetic mutations, while secondary forms arise from non-genetic factors. The study provides insights into the clinical implications and diagnostic approaches for these disorders.
This review focused on the emerging role of circular RNAs as biomarkers in thyroid cancer and autoimmune thyroid diseases. Researchers found that circRNAs could serve as potential diagnostic and therapeutic targets, although further validation is needed before clinical implementation. The study highlights the importance of circRNAs in understanding these conditions.
This study assessed the diagnostic and prognostic value of 99mTc-pyrophosphate quantitation for transthyretin cardiac amyloidosis. Researchers found that quantification of myocardial radiotracer activity had high diagnostic accuracy for the disease. The study suggests that these measures could be useful for monitoring disease progression and response to therapy.
This review examined the use of 99mTc-labelled antimicrobial peptides for imaging bacterial and fungal infections in laboratory animals. Researchers found that these peptides preferentially bind to microorganisms, allowing for effective monitoring of infection sites. The study suggests that these peptides could help differentiate between infectious and sterile inflammatory lesions.
This study explored the role of survivin as a diagnostic marker for thyroid cancer. Researchers found that survivin and its splice variants were distinctly expressed in cancer cells compared to normal cells. The detection of these markers could aid in identifying tumor nodules and differentiating them from benign lesions.
This study identified a novel peptide biomarker, APOA1 unique peptide, for diagnosing acute ischemic stroke. Researchers found that levels of this peptide were significantly lower in stroke patients compared to non-stroke patients. The study suggests that APOA1-UP could serve as an effective diagnostic tool for early ischemic stroke detection.
This review focused on the variability of blood biomarkers and their association with cardiovascular disease. Researchers observed that intraindividual variability of total cholesterol and low-density lipoprotein cholesterol was linked to cardiovascular outcomes, independent of mean levels. The findings highlight the need for standardized approaches to assess the risk attributed to biomarker variability.
This study evaluated total cholesterol, low-density lipoprotein cholesterol, and apolipoprotein B in newborns for familial hypercholesterolemia screening. Researchers found that LDL-C and apoB showed extreme elevation in distribution curves, indicating their potential as biomarkers for screening. The study suggests further validation of these biomarkers in clinical settings.
Research publications about Gesamtcholesterin over time
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